diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl')
44 files changed, 2567 insertions, 113 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt index 9213b27e1036..6f2ec9af0de2 100644 --- a/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt @@ -6,7 +6,7 @@ the first two functions being GPIO in and out. The configuration on the pins includes drive strength and pull-up. Required properties: -- compatible: Should be one of the followings (depending on you SoC): +- compatible: Should be one of the following (depending on your SoC): "allwinner,sun4i-a10-pinctrl" "allwinner,sun5i-a10s-pinctrl" "allwinner,sun5i-a13-pinctrl" @@ -20,11 +20,32 @@ Required properties: "allwinner,sun9i-a80-pinctrl" "allwinner,sun9i-a80-r-pinctrl" "allwinner,sun8i-a83t-pinctrl" + "allwinner,sun8i-a83t-r-pinctrl" "allwinner,sun8i-h3-pinctrl" + "allwinner,sun8i-h3-r-pinctrl" + "allwinner,sun8i-r40-pinctrl" + "allwinner,sun50i-a64-pinctrl" + "allwinner,sun50i-a64-r-pinctrl" + "allwinner,sun50i-h5-pinctrl" + "nextthing,gr8-pinctrl" - reg: Should contain the register physical address and length for the pin controller. +- clocks: phandle to the clocks feeding the pin controller: + - "apb": the gated APB parent clock + - "hosc": the high frequency oscillator in the system + - "losc": the low frequency oscillator in the system + +Note: For backward compatibility reasons, the hosc and losc clocks are only +required if you need to use the optional input-debounce property. Any new +device tree should set them. + +Optional properties: + - input-debounce: Array of debouncing periods in microseconds. One period per + irq bank found in the controller. 0 if no setup required. + + Please refer to pinctrl-bindings.txt in this directory for details of the common pinctrl bindings used by client devices. @@ -34,6 +55,22 @@ pins it needs, and how they should be configured, with regard to muxer configuration, drive strength and pullups. If one of these options is not set, its actual value will be unspecified. +This driver supports the generic pin multiplexing and configuration +bindings. For details on each properties, you can refer to +./pinctrl-bindings.txt. + +Required sub-node properties: + - pins + - function + +Optional sub-node properties: + - bias-disable + - bias-pull-up + - bias-pull-down + - drive-strength + +*** Deprecated pin configuration and multiplexing binding + Required subnode-properties: - allwinner,pins: List of strings containing the pin name. diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt index b7a93e80a302..590e60378be3 100644 --- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt @@ -4,7 +4,7 @@ The AT91 Pinmux Controller, enables the IC to share one PAD to several functional blocks. The sharing is done by multiplexing the PAD input/output signals. For each PAD there are up to 8 muxing options (called periph modes). Since different modules require -different PAD settings (like pull up, keeper, etc) the contoller controls +different PAD settings (like pull up, keeper, etc) the controller controls also the PAD settings parameters. Please refer to pinctrl-bindings.txt in this directory for details of the @@ -98,6 +98,8 @@ DRIVE_STRENGTH (3 << 5): indicate the drive strength of the pin using the 01 - Low 10 - Medium 11 - High +OUTPUT (1 << 7): indicate this pin need to be configured as an output. +OUTPUT_VAL (1 << 8): output val (1 = high, 0 = low) DEBOUNCE (1 << 16): indicate this pin needs debounce. DEBOUNCE_VAL (0x3fff << 17): debounce value. diff --git a/Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt new file mode 100644 index 000000000000..47284f85ec80 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt @@ -0,0 +1,85 @@ +Axis ARTPEC-6 Pin Controller + +Required properties: +- compatible: "axis,artpec6-pinctrl". +- reg: Should contain the register physical address and length for the pin + controller. + +A pinctrl node should contain at least one subnode representing the pinctrl +groups available on the machine. Each subnode will list the mux function +required and what pin group it will use. Each subnode will also configure the +drive strength and bias pullup of the pin group. If either of these options is +not set, its actual value will be unspecified. + + +Required subnode-properties: +- function: Function to mux. +- groups: Name of the pin group to use for the function above. + + Available functions and groups (function: group0, group1...): + gpio: cpuclkoutgrp0, udlclkoutgrp0, i2c1grp0, i2c2grp0, + i2c3grp0, i2s0grp0, i2s1grp0, i2srefclkgrp0, spi0grp0, + spi1grp0, pciedebuggrp0, uart0grp0, uart0grp1, uart1grp0, + uart2grp0, uart2grp1, uart3grp0, uart4grp0, uart5grp0 + cpuclkout: cpuclkoutgrp0 + udlclkout: udlclkoutgrp0 + i2c1: i2c1grp0 + i2c2: i2c2grp0 + i2c3: i2c3grp0 + i2s0: i2s0grp0 + i2s1: i2s1grp0 + i2srefclk: i2srefclkgrp0 + spi0: spi0grp0 + spi1: spi1grp0 + pciedebug: pciedebuggrp0 + uart0: uart0grp0, uart0grp1 + uart1: uart1grp0 + uart2: uart2grp0, uart2grp1 + uart3: uart3grp0 + uart4: uart4grp0 + uart5: uart5grp0 + nand: nandgrp0 + sdio0: sdio0grp0 + sdio1: sdio1grp0 + ethernet: ethernetgrp0 + + +Optional subnode-properties (see pinctrl-bindings.txt): +- drive-strength: 4, 6, 8, 9 mA. For SD and NAND pins, this is for 3.3V VCCQ3. +- bias-pull-up +- bias-disable + +Examples: +pinctrl@f801d000 { + compatible = "axis,artpec6-pinctrl"; + reg = <0xf801d000 0x400>; + + pinctrl_uart0: uart0grp { + function = "uart0"; + groups = "uart0grp0"; + drive-strength = <4>; + bias-pull-up; + }; + pinctrl_uart3: uart3grp { + function = "uart3"; + groups = "uart3grp0"; + }; +}; +uart0: uart@f8036000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0xf8036000 0x1000>; + interrupts = <0 104 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&pll2div24>, <&apb_pclk>; + clock-names = "uart_clk", "apb_pclk"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart0>; +}; +uart3: uart@f8039000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0xf8039000 0x1000>; + interrupts = <0 128 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&pll2div24>, <&apb_pclk>; + clock-names = "uart_clk", "apb_pclk"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart3>; +}; diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt index e4277921f3e3..a73cbeb0f309 100644 --- a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt +++ b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt @@ -3,8 +3,22 @@ Broadcom iProc GPIO/PINCONF Controller Required properties: - compatible: - Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", - "brcm,cygnus-crmu-gpio" or "brcm,iproc-gpio" + "brcm,iproc-gpio" for the generic iProc based GPIO controller IP that + supports full-featured pinctrl and GPIO functions used in various iProc + based SoCs + + May contain an SoC-specific compatibility string to accommodate any + SoC-specific features + + "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", or + "brcm,cygnus-crmu-gpio" for Cygnus SoCs + + "brcm,iproc-nsp-gpio" for the iProc NSP SoC that has drive strength support + disabled + + "brcm,iproc-stingray-gpio" for the iProc Stingray SoC that has the general + pinctrl support completely disabled in this IP block. In Stingray, a + different IP block is used to handle pinctrl related functions - reg: Define the base and range of the I/O address space that contains SoC diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,ns2-pinmux.txt b/Documentation/devicetree/bindings/pinctrl/brcm,ns2-pinmux.txt new file mode 100644 index 000000000000..e295dda4bbba --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,ns2-pinmux.txt @@ -0,0 +1,102 @@ +Broadcom Northstar2 IOMUX Controller + +The Northstar2 IOMUX controller supports group based mux configuration. There +are some individual pins that support modifying the pinconf parameters. + +Required properties: + +- compatible: + Must be "brcm,ns2-pinmux" + +- reg: + Define the base and range of the I/O address space that contains the + Northstar2 IOMUX and pin configuration registers. + +Properties in sub nodes: + +- function: + The mux function to select + +- groups: + The list of groups to select with a given function + +- pins: + List of pin names to change configuration + +The generic properties bias-disable, bias-pull-down, bias-pull-up, +drive-strength, slew-rate, input-enable, input-disable are supported +for some individual pins listed at the end. + +For more details, refer to +Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +For example: + + pinctrl: pinctrl@6501d130 { + compatible = "brcm,ns2-pinmux"; + reg = <0x6501d130 0x08>, + <0x660a0028 0x04>, + <0x660009b0 0x40>; + + pinctrl-names = "default"; + pinctrl-0 = <&nand_sel &uart3_rx &sdio0_d4>; + + /* Select nand function */ + nand_sel: nand_sel { + function = "nand"; + groups = "nand_grp"; + }; + + /* Pull up the uart3 rx pin */ + uart3_rx: uart3_rx { + pins = "uart3_sin"; + bias-pull-up; + }; + + /* Set the drive strength of sdio d4 pin */ + sdio0_d4: sdio0_d4 { + pins = "sdio0_data4"; + drive-strength = <8>; + }; + }; + +List of supported functions and groups in Northstar2: + +"nand": "nand_grp" + +"nor": "nor_data_grp", "nor_adv_grp", "nor_addr_0_3_grp", "nor_addr_4_5_grp", + "nor_addr_6_7_grp", "nor_addr_8_9_grp", "nor_addr_10_11_grp", + "nor_addr_12_15_grp" + +"gpio": "gpio_0_1_grp", "gpio_2_5_grp", "gpio_6_7_grp", "gpio_8_9_grp", + "gpio_10_11_grp", "gpio_12_13_grp", "gpio_14_17_grp", "gpio_18_19_grp", + "gpio_20_21_grp", "gpio_22_23_grp", "gpio_24_25_grp", "gpio_26_27_grp", + "gpio_28_29_grp", "gpio_30_31_grp" + +"pcie": "pcie_ab1_clk_wak_grp", "pcie_a3_clk_wak_grp", "pcie_b3_clk_wak_grp", + "pcie_b2_clk_wak_grp", "pcie_a2_clk_wak_grp" + +"uart0": "uart0_modem_grp", "uart0_rts_cts_grp", "uart0_in_out_grp" + +"uart1": "uart1_ext_clk_grp", "uart1_dcd_dsr_grp", "uart1_ri_dtr_grp", + "uart1_rts_cts_grp", "uart1_in_out_grp" + +"uart2": "uart2_rts_cts_grp" + +"pwm": "pwm_0_grp", "pwm_1_grp", "pwm_2_grp", "pwm_3_grp" + + +List of pins that support pinconf parameters: + +"qspi_wp", "qspi_hold", "qspi_cs", "qspi_sck", "uart3_sin", "uart3_sout", +"qspi_mosi", "qspi_miso", "spi0_fss", "spi0_rxd", "spi0_txd", "spi0_sck", +"spi1_fss", "spi1_rxd", "spi1_txd", "spi1_sck", "sdio0_data7", +"sdio0_emmc_rst", "sdio0_led_on", "sdio0_wp", "sdio0_data3", "sdio0_data4", +"sdio0_data5", "sdio0_data6", "sdio0_cmd", "sdio0_data0", "sdio0_data1", +"sdio0_data2", "sdio1_led_on", "sdio1_wp", "sdio0_cd_l", "sdio0_clk", +"sdio1_data5", "sdio1_data6", "sdio1_data7", "sdio1_emmc_rst", "sdio1_data1", +"sdio1_data2", "sdio1_data3", "sdio1_data4", "sdio1_cd_l", "sdio1_clk", +"sdio1_cmd", "sdio1_data0", "ext_mdio_0", "ext_mdc_0", "usb3_p1_vbus_ppc", +"usb3_p1_overcurrent", "usb3_p0_vbus_ppc", "usb3_p0_overcurrent", +"usb2_presence_indication", "usb2_vbus_present", "usb2_vbus_ppc", +"usb2_overcurrent", "sata_led1", "sata_led0" diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,nsp-pinmux.txt b/Documentation/devicetree/bindings/pinctrl/brcm,nsp-pinmux.txt new file mode 100644 index 000000000000..603564e5fe6f --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,nsp-pinmux.txt @@ -0,0 +1,79 @@ +Broadcom NSP (Northstar plus) IOMUX Controller + +The NSP IOMUX controller supports group based mux configuration. In +addition, certain pins can be muxed to GPIO function individually. + +Required properties: +- compatible: + Must be "brcm,nsp-pinmux" + +- reg: + Should contain the register physical address and length for each of + GPIO_CONTROL0, GP_AUX_SEL and IPROC_CONFIG IOMUX registers + +Properties in subnodes: +- function: + The mux function to select + +- groups: + The list of groups to select with a given function + +For more details, refer to +Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +For example: + + pinmux: pinmux@1803f1c0 { + compatible = "brcm,nsp-pinmux"; + reg = <0x1803f1c0 0x04>, + <0x18030028 0x04>, + <0x1803f408 0x04>; + + pinctrl-names = "default"; + pinctrl-0 = <&pwm &gpio_b &nand_sel>; + + pwm: pwm { + function = "pwm"; + groups = "pwm0_grp", "pwm1_grp"; + }; + + gpio_b: gpio_b { + function = "gpio_b"; + groups = "gpio_b_0_grp", "gpio_b_1_grp"; + }; + + nand_sel: nand_sel { + function = "nand"; + groups = "nand_grp"; + }; + }; + +List of supported functions and groups in Northstar Plus: + +"spi": "spi_grp" + +"i2c": "i2c_grp" + +"mdio": "mdio_grp" + +"pwm": "pwm0_grp", "pwm1_grp", "pwm2_grp", "pwm3_grp" + +"gpio_b": "gpio_b_0_grp", "gpio_b_1_grp", "gpio_b_2_grp", "gpio_b_3_grp" + +"uart1": "uart1_grp" + +"uart2": "uart2_grp" + +"synce": "synce_grp" + +"sata_led_grps": "sata0_led_grp", "sata1_led_grp" + +"xtal_out": "xtal_out_grp" + +"sdio": "sdio_pwr_grp", "sdio_1p8v_grp" + +"switch_led": "switch_p05_led0_grp", "switch_p05_led1_grp" + +"nand": "nand_grp" + +"emmc": "emmc_grp" diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx7d-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx7d-pinctrl.txt index 457b2c68d47b..8c5d27c5b562 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx7d-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx7d-pinctrl.txt @@ -19,7 +19,7 @@ iomuxc: iomuxc@30330000 { reg = <0x30330000 0x10000>; }; -Pheriparials using pads from iomuxc-lpsr support low state retention power +Peripherals using pads from iomuxc-lpsr support low state retention power state, under LPSR mode GPIO's state of pads are retain. Please refer to fsl,imx-pinctrl.txt in this directory for common binding part diff --git a/Documentation/devicetree/bindings/pinctrl/img,pistachio-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/img,pistachio-pinctrl.txt index 08a4a32c8eb0..0326154c7925 100644 --- a/Documentation/devicetree/bindings/pinctrl/img,pistachio-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/img,pistachio-pinctrl.txt @@ -134,12 +134,12 @@ mfio80 ddr_debug, mips_trace_data, mips_debug mfio81 dreq0, mips_trace_data, eth_debug mfio82 dreq1, mips_trace_data, eth_debug mfio83 mips_pll_lock, mips_trace_data, usb_debug -mfio84 sys_pll_lock, mips_trace_data, usb_debug -mfio85 wifi_pll_lock, mips_trace_data, sdhost_debug -mfio86 bt_pll_lock, mips_trace_data, sdhost_debug -mfio87 rpu_v_pll_lock, dreq2, socif_debug -mfio88 rpu_l_pll_lock, dreq3, socif_debug -mfio89 audio_pll_lock, dreq4, dreq5 +mfio84 audio_pll_lock, mips_trace_data, usb_debug +mfio85 rpu_v_pll_lock, mips_trace_data, sdhost_debug +mfio86 rpu_l_pll_lock, mips_trace_data, sdhost_debug +mfio87 sys_pll_lock, dreq2, socif_debug +mfio88 wifi_pll_lock, dreq3, socif_debug +mfio89 bt_pll_lock, dreq4, dreq5 tck trstn tdi diff --git a/Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.txt new file mode 100644 index 000000000000..ca313a7aeaff --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.txt @@ -0,0 +1,41 @@ +Ingenic jz47xx pin controller + +Please refer to pinctrl-bindings.txt in this directory for details of the +common pinctrl bindings used by client devices, including the meaning of the +phrase "pin configuration node". + +For the jz47xx SoCs, pin control is tightly bound with GPIO ports. All pins may +be used as GPIOs, multiplexed device functions are configured within the +GPIO port configuration registers and it is typical to refer to pins using the +naming scheme "PxN" where x is a character identifying the GPIO port with +which the pin is associated and N is an integer from 0 to 31 identifying the +pin within that GPIO port. For example PA0 is the first pin in GPIO port A, and +PB31 is the last pin in GPIO port B. The jz4740 contains 4 GPIO ports, PA to +PD, for a total of 128 pins. The jz4780 contains 6 GPIO ports, PA to PF, for a +total of 192 pins. + + +Required properties: +-------------------- + + - compatible: One of: + - "ingenic,jz4740-pinctrl" + - "ingenic,jz4770-pinctrl" + - "ingenic,jz4780-pinctrl" + - reg: Address range of the pinctrl registers. + + +GPIO sub-nodes +-------------- + +The pinctrl node can have optional sub-nodes for the Ingenic GPIO driver; +please refer to ../gpio/ingenic,gpio.txt. + + +Example: +-------- + +pinctrl: pin-controller@10010000 { + compatible = "ingenic,jz4740-pinctrl"; + reg = <0x10010000 0x400>; +}; diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,armada-370-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,armada-370-pinctrl.txt index add7c38ec7d8..8662f3aaf312 100644 --- a/Documentation/devicetree/bindings/pinctrl/marvell,armada-370-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/marvell,armada-370-pinctrl.txt @@ -91,6 +91,9 @@ mpp60 60 gpio, dev(ale1), uart1(rxd), sata0(prsnt), pcie(rstout), mpp61 61 gpo, dev(we1), uart1(txd), audio(lrclk) mpp62 62 gpio, dev(a2), uart1(cts), tdm(drx), pcie(clkreq0), audio(mclk), uart0(cts) -mpp63 63 gpo, spi0(sck), tclk +mpp63 63 gpio, spi0(sck), tclk mpp64 64 gpio, spi0(miso), spi0(cs1) mpp65 65 gpio, spi0(mosi), spi0(cs2) + +Note: According to the datasheet mpp63 is a gpo but there is at least +one example of a gpio usage on the board D-Link DNS-327L diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt new file mode 100644 index 000000000000..f64060908d5a --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt @@ -0,0 +1,183 @@ +* Marvell Armada 37xx SoC pin and gpio controller + +Each Armada 37xx SoC come with two pin and gpio controller one for the +south bridge and the other for the north bridge. + +Inside this set of register the gpio latch allows exposing some +configuration of the SoC and especially the clock frequency of the +xtal. Hence, this node is a represent as syscon allowing sharing the +register between multiple hardware block. + +GPIO and pin controller: +------------------------ + +Main node: + +Refer to pinctrl-bindings.txt in this directory for details of the +common pinctrl bindings used by client devices, including the meaning +of the phrase "pin configuration node". + +Required properties for pinctrl driver: + +- compatible: "marvell,armada3710-sb-pinctrl", "syscon, "simple-mfd" + for the south bridge + "marvell,armada3710-nb-pinctrl", "syscon, "simple-mfd" + for the north bridge +- reg: The first set of register are for pinctrl/gpio and the second + set for the interrupt controller +- interrupts: list of the interrupt use by the gpio + +Available groups and functions for the North bridge: + +group: jtag + - pins 20-24 + - functions jtag, gpio + +group sdio0 + - pins 8-10 + - functions sdio, gpio + +group emmc_nb + - pins 27-35 + - functions emmc, gpio + +group pwm0 + - pin 11 (GPIO1-11) + - functions pwm, gpio + +group pwm1 + - pin 12 + - functions pwm, gpio + +group pwm2 + - pin 13 + - functions pwm, gpio + +group pwm3 + - pin 14 + - functions pwm, gpio + +group pmic1 + - pin 17 + - functions pmic, gpio + +group pmic0 + - pin 16 + - functions pmic, gpio + +group i2c2 + - pins 2-3 + - functions i2c, gpio + +group i2c1 + - pins 0-1 + - functions i2c, gpio + +group spi_cs1 + - pin 17 + - functions spi, gpio + +group spi_cs2 + - pin 18 + - functions spi, gpio + +group spi_cs3 + - pin 19 + - functions spi, gpio + +group onewire + - pin 4 + - functions onewire, gpio + +group uart1 + - pins 25-26 + - functions uart, gpio + +group spi_quad + - pins 15-16 + - functions spi, gpio + +group uart_2 + - pins 9-10 + - functions uart, gpio + +Available groups and functions for the South bridge: + +group usb32_drvvbus0 + - pin 36 + - functions drvbus, gpio + +group usb2_drvvbus1 + - pin 37 + - functions drvbus, gpio + +group sdio_sb + - pins 60-64 + - functions sdio, gpio + +group rgmii + - pins 42-55 + - functions mii, gpio + +group pcie1 + - pins 39-40 + - functions pcie, gpio + +group ptp + - pins 56-58 + - functions ptp, gpio + +group ptp_clk + - pin 57 + - functions ptp, mii + +group ptp_trig + - pin 58 + - functions ptp, mii + +group mii_col + - pin 59 + - functions mii, mii_err + +GPIO subnode: + +Please refer to gpio.txt in this directory for details of gpio-ranges property +and the common GPIO bindings used by client devices. + +Required properties for gpio driver under the gpio subnode: +- interrupts: List of interrupt specifier for the controllers interrupt. +- gpio-controller: Marks the device node as a gpio controller. +- #gpio-cells: Should be 2. The first cell is the GPIO number and the + second cell specifies GPIO flags, as defined in + <dt-bindings/gpio/gpio.h>. Only the GPIO_ACTIVE_HIGH and + GPIO_ACTIVE_LOW flags are supported. +- gpio-ranges: Range of pins managed by the GPIO controller. + +Xtal Clock bindings for Marvell Armada 37xx SoCs +------------------------------------------------ + +see Documentation/devicetree/bindings/clock/armada3700-xtal-clock.txt + + +Example: +pinctrl_sb: pinctrl-sb@18800 { + compatible = "marvell,armada3710-sb-pinctrl", "syscon", "simple-mfd"; + reg = <0x18800 0x100>, <0x18C00 0x20>; + gpio { + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_sb 0 0 29>; + gpio-controller; + interrupts = + <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>; + }; + + rgmii_pins: mii-pins { + groups = "rgmii"; + function = "mii"; + }; + +}; diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,armada-98dx3236-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,armada-98dx3236-pinctrl.txt new file mode 100644 index 000000000000..97aef67ee769 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/marvell,armada-98dx3236-pinctrl.txt @@ -0,0 +1,46 @@ +* Marvell 98dx3236 pinctrl driver for mpp + +Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding +part and usage + +Required properties: +- compatible: "marvell,98dx3236-pinctrl" or "marvell,98dx4251-pinctrl" +- reg: register specifier of MPP registers + +This driver supports all 98dx3236, 98dx3336 and 98dx4251 variants + +name pins functions +================================================================================ +mpp0 0 gpo, spi0(mosi), dev(ad8) +mpp1 1 gpio, spi0(miso), dev(ad9) +mpp2 2 gpo, spi0(sck), dev(ad10) +mpp3 3 gpio, spi0(cs0), dev(ad11) +mpp4 4 gpio, spi0(cs1), smi(mdc), dev(cs0) +mpp5 5 gpio, pex(rsto), sd0(cmd), dev(bootcs) +mpp6 6 gpo, sd0(clk), dev(a2) +mpp7 7 gpio, sd0(d0), dev(ale0) +mpp8 8 gpio, sd0(d1), dev(ale1) +mpp9 9 gpio, sd0(d2), dev(ready0) +mpp10 10 gpio, sd0(d3), dev(ad12) +mpp11 11 gpio, uart1(rxd), uart0(cts), dev(ad13) +mpp12 12 gpo, uart1(txd), uart0(rts), dev(ad14) +mpp13 13 gpio, intr(out), dev(ad15) +mpp14 14 gpio, i2c0(sck) +mpp15 15 gpio, i2c0(sda) +mpp16 16 gpo, dev(oe) +mpp17 17 gpo, dev(clkout) +mpp18 18 gpio, uart1(txd) +mpp19 19 gpio, uart1(rxd), dev(rb) +mpp20 20 gpo, dev(we0) +mpp21 21 gpo, dev(ad0) +mpp22 22 gpo, dev(ad1) +mpp23 23 gpo, dev(ad2) +mpp24 24 gpo, dev(ad3) +mpp25 25 gpo, dev(ad4) +mpp26 26 gpo, dev(ad5) +mpp27 27 gpo, dev(ad6) +mpp28 28 gpo, dev(ad7) +mpp29 29 gpo, dev(a0) +mpp30 30 gpo, dev(a1) +mpp31 31 gpio, slv_smi(mdc), smi(mdc), dev(we1) +mpp32 32 gpio, slv_smi(mdio), smi(mdio), dev(cs1) diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,kirkwood-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,kirkwood-pinctrl.txt index 730444a9a4de..6c0ea155b708 100644 --- a/Documentation/devicetree/bindings/pinctrl/marvell,kirkwood-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/marvell,kirkwood-pinctrl.txt @@ -44,16 +44,16 @@ mpp16 16 gpio, sdio(d2), uart0(cts), uart1(rxd), mii(crs) mpp17 17 gpio, sdio(d3) mpp18 18 gpo, nand(io0) mpp19 19 gpo, nand(io1) -mpp20 20 gpio, mii(rxerr) -mpp21 21 gpio, audio(spdifi) -mpp22 22 gpio, audio(spdifo) -mpp23 23 gpio, audio(rmclk) -mpp24 24 gpio, audio(bclk) -mpp25 25 gpio, audio(sdo) -mpp26 26 gpio, audio(lrclk) -mpp27 27 gpio, audio(mclk) -mpp28 28 gpio, audio(sdi) -mpp29 29 gpio, audio(extclk) +mpp35 35 gpio, mii(rxerr) +mpp36 36 gpio, audio(spdifi) +mpp37 37 gpio, audio(spdifo) +mpp38 38 gpio, audio(rmclk) +mpp39 39 gpio, audio(bclk) +mpp40 40 gpio, audio(sdo) +mpp41 41 gpio, audio(lrclk) +mpp42 42 gpio, audio(mclk) +mpp43 43 gpio, audio(sdi) +mpp44 44 gpio, audio(extclk) * Marvell Kirkwood 88f6190 diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,orion-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,orion-pinctrl.txt index 27570a3a1741..ec8aa3c6936b 100644 --- a/Documentation/devicetree/bindings/pinctrl/marvell,orion-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/marvell,orion-pinctrl.txt @@ -4,7 +4,9 @@ Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding part and usage. Required properties: -- compatible: "marvell,88f5181l-pinctrl", "marvell,88f5182-pinctrl", +- compatible: "marvell,88f5181-pinctrl", + "marvell,88f5181l-pinctrl", + "marvell,88f5182-pinctrl", "marvell,88f5281-pinctrl" - reg: two register areas, the first one describing the first two diff --git a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt index 3f6a524cc5ff..2392557ede27 100644 --- a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt @@ -1,13 +1,20 @@ == Amlogic Meson pinmux controller == Required properties for the root node: - - compatible: "amlogic,meson8-pinctrl" or "amlogic,meson8b-pinctrl" + - compatible: one of "amlogic,meson8-cbus-pinctrl" + "amlogic,meson8b-cbus-pinctrl" + "amlogic,meson8-aobus-pinctrl" + "amlogic,meson8b-aobus-pinctrl" + "amlogic,meson-gxbb-periphs-pinctrl" + "amlogic,meson-gxbb-aobus-pinctrl" + "amlogic,meson-gxl-periphs-pinctrl" + "amlogic,meson-gxl-aobus-pinctrl" - reg: address and size of registers controlling irq functionality === GPIO sub-nodes === -The 2 power domains of the controller (regular and always-on) are -represented as sub-nodes and each of them acts as a GPIO controller. +The GPIO bank for the controller is represented as a sub-node and it acts as a +GPIO controller. Required properties for sub-nodes are: - reg: should contain address and size for mux, pull-enable, pull and @@ -18,10 +25,6 @@ Required properties for sub-nodes are: - gpio-controller: identifies the node as a gpio controller - #gpio-cells: must be 2 -Valid sub-node names are: - - "banks" for the regular domain - - "ao-bank" for the always-on domain - === Other sub-nodes === Child nodes without the "gpio-controller" represent some desired @@ -45,7 +48,7 @@ pinctrl-bindings.txt === Example === pinctrl: pinctrl@c1109880 { - compatible = "amlogic,meson8-pinctrl"; + compatible = "amlogic,meson8-cbus-pinctrl"; reg = <0xc1109880 0x10>; #address-cells = <1>; #size-cells = <1>; @@ -61,15 +64,6 @@ pinctrl-bindings.txt #gpio-cells = <2>; }; - gpio_ao: ao-bank@c1108030 { - reg = <0xc8100014 0x4>, - <0xc810002c 0x4>, - <0xc8100024 0x8>; - reg-names = "mux", "pull", "gpio"; - gpio-controller; - #gpio-cells = <2>; - }; - nand { mux { groups = "nand_io", "nand_io_ce0", "nand_io_ce1", @@ -79,18 +73,4 @@ pinctrl-bindings.txt function = "nand"; }; }; - - uart_ao_a { - mux { - groups = "uart_tx_ao_a", "uart_rx_ao_a", - "uart_cts_ao_a", "uart_rts_ao_a"; - function = "uart_ao"; - }; - - conf { - pins = "GPIOAO_0", "GPIOAO_1", - "GPIOAO_2", "GPIOAO_3"; - bias-disable; - }; - }; }; diff --git a/Documentation/devicetree/bindings/pinctrl/microchip,pic32-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/microchip,pic32-pinctrl.txt new file mode 100644 index 000000000000..29b72e303ebf --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/microchip,pic32-pinctrl.txt @@ -0,0 +1,60 @@ +* Microchip PIC32 Pin Controller + +Please refer to pinctrl-bindings.txt, ../gpio/gpio.txt, and +../interrupt-controller/interrupts.txt for generic information regarding +pin controller, GPIO, and interrupt bindings. + +PIC32 'pin configuration node' is a node of a group of pins which can be +used for a specific device or function. This node represents configuraions of +pins, optional function, and optional mux related configuration. + +Required properties for pin controller node: + - compatible: "microchip,pic32mada-pinctrl" + - reg: Address range of the pinctrl registers. + - clocks: Clock specifier (see clock bindings for details) + +Required properties for pin configuration sub-nodes: + - pins: List of pins to which the configuration applies. + +Optional properties for pin configuration sub-nodes: +---------------------------------------------------- + - function: Mux function for the specified pins. + - bias-pull-up: Enable weak pull-up. + - bias-pull-down: Enable weak pull-down. + - input-enable: Set the pin as an input. + - output-low: Set the pin as an output level low. + - output-high: Set the pin as an output level high. + - microchip,digital: Enable digital I/O. + - microchip,analog: Enable analog I/O. + +Example: + +pic32_pinctrl: pinctrl@1f801400{ + #address-cells = <1>; + #size-cells = <1>; + compatible = "microchip,pic32mzda-pinctrl"; + reg = <0x1f801400 0x400>; + clocks = <&rootclk PB1CLK>; + + pinctrl_uart2: pinctrl_uart2 { + uart2-tx { + pins = "G9"; + function = "U2TX"; + microchip,digital; + output-low; + }; + uart2-rx { + pins = "B0"; + function = "U2RX"; + microchip,digital; + input-enable; + }; + }; +}; + +uart2: serial@1f822200 { + compatible = "microchip,pic32mzda-uart"; + reg = <0x1f822200 0x50>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2>; +}; diff --git a/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-dpaux-padctl.txt b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-dpaux-padctl.txt new file mode 100644 index 000000000000..f2abdaee9022 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-dpaux-padctl.txt @@ -0,0 +1,60 @@ +Device tree binding for NVIDIA Tegra DPAUX pad controller +======================================================== + +The Tegra Display Port Auxiliary (DPAUX) pad controller manages two pins +which can be assigned to either the DPAUX channel or to an I2C +controller. + +This document defines the device-specific binding for the DPAUX pad +controller. Refer to pinctrl-bindings.txt in this directory for generic +information about pin controller device tree bindings. Please refer to +the binding document ../display/tegra/nvidia,tegra20-host1x.txt for more +details on the DPAUX binding. + +Pin muxing: +----------- + +Child nodes contain the pinmux configurations following the conventions +from the pinctrl-bindings.txt document. + +Since only three configurations are possible, only three child nodes are +needed to describe the pin mux'ing options for the DPAUX pads. +Furthermore, given that the pad functions are only applicable to a +single set of pads, the child nodes only need to describe the pad group +the functions are being applied to rather than the individual pads. + +Required properties: +- groups: Must be "dpaux-io" +- function: Must be either "aux", "i2c" or "off". + +Example: +-------- + + dpaux@545c0000 { + ... + + state_dpaux_aux: pinmux-aux { + groups = "dpaux-io"; + function = "aux"; + }; + + state_dpaux_i2c: pinmux-i2c { + groups = "dpaux-io"; + function = "i2c"; + }; + + state_dpaux_off: pinmux-off { + groups = "dpaux-io"; + function = "off"; + }; + }; + + ... + + i2c@7000d100 { + ... + pinctrl-0 = <&state_dpaux_i2c>; + pinctrl-1 = <&state_dpaux_off>; + pinctrl-names = "default", "idle"; + status = "disabled"; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-xusb-padctl.txt b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-xusb-padctl.txt index 30676ded85bb..4048f43a9d29 100644 --- a/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-xusb-padctl.txt +++ b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra124-xusb-padctl.txt @@ -1,6 +1,12 @@ Device tree binding for NVIDIA Tegra XUSB pad controller ======================================================== +NOTE: It turns out that this binding isn't an accurate description of the XUSB +pad controller. While the description is good enough for the functional subset +required for PCIe and SATA, it lacks the flexibility to represent the features +needed for USB. For the new binding, see ../phy/nvidia,tegra-xusb-padctl.txt. +The binding described in this file is deprecated and should not be used. + The Tegra XUSB pad controller manages a set of lanes, each of which can be assigned to one out of a set of different pads. Some of these pads have an associated PHY that must be powered up before the pad can be used. @@ -79,7 +85,7 @@ Example: SoC file extract: ----------------- - padctl@0,7009f000 { + padctl@7009f000 { compatible = "nvidia,tegra124-xusb-padctl"; reg = <0x0 0x7009f000 0x0 0x1000>; resets = <&tegra_car 142>; @@ -91,7 +97,7 @@ SoC file extract: Board file extract: ------------------- - pcie-controller@0,01003000 { + pcie-controller@01003000 { ... phys = <&padctl 0>; @@ -102,7 +108,7 @@ Board file extract: ... - padctl: padctl@0,7009f000 { + padctl: padctl@7009f000 { pinctrl-0 = <&padctl_default>; pinctrl-names = "default"; diff --git a/Documentation/devicetree/bindings/pinctrl/nxp,lpc1850-scu.txt b/Documentation/devicetree/bindings/pinctrl/nxp,lpc1850-scu.txt index df0309c57505..bd8b0c69fa44 100644 --- a/Documentation/devicetree/bindings/pinctrl/nxp,lpc1850-scu.txt +++ b/Documentation/devicetree/bindings/pinctrl/nxp,lpc1850-scu.txt @@ -22,6 +22,10 @@ The following generic nodes are supported: - input-schmitt-disable - slew-rate +NXP specific properties: + - nxp,gpio-pin-interrupt : Assign pin to gpio pin interrupt controller + irq number 0 to 7. See example below. + Not all pins support all properties so either refer to the NXP 1850/4350 user manual or the pin table in the pinctrl-lpc18xx driver for supported pin properties. @@ -54,4 +58,14 @@ pinctrl: pinctrl@40086000 { bias-disable; }; }; + + gpio_joystick_pins: gpio-joystick-pins { + gpio_joystick_1_cfg { + pins = "p9_0"; + function = "gpio"; + nxp,gpio-pin-interrupt = <0>; + input-enable; + bias-disable; + }; + }; }; diff --git a/Documentation/devicetree/bindings/pinctrl/oxnas,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/oxnas,pinctrl.txt new file mode 100644 index 000000000000..09e81a95bbfd --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/oxnas,pinctrl.txt @@ -0,0 +1,57 @@ +* Oxford Semiconductor OXNAS SoC Family Pin Controller + +Please refer to pinctrl-bindings.txt, ../gpio/gpio.txt, and +../interrupt-controller/interrupts.txt for generic information regarding +pin controller, GPIO, and interrupt bindings. + +OXNAS 'pin configuration node' is a node of a group of pins which can be +used for a specific device or function. This node represents configurations of +pins, optional function, and optional mux related configuration. + +Required properties for pin controller node: + - compatible: "oxsemi,ox810se-pinctrl" or "oxsemi,ox820-pinctrl" + - oxsemi,sys-ctrl: a phandle to the system controller syscon node + +Required properties for pin configuration sub-nodes: + - pins: List of pins to which the configuration applies. + +Optional properties for pin configuration sub-nodes: +---------------------------------------------------- + - function: Mux function for the specified pins. + - bias-pull-up: Enable weak pull-up. + +Example: + +pinctrl: pinctrl { + compatible = "oxsemi,ox810se-pinctrl"; + + /* Regmap for sys registers */ + oxsemi,sys-ctrl = <&sys>; + + pinctrl_uart2: pinctrl_uart2 { + uart2a { + pins = "gpio31"; + function = "fct3"; + }; + uart2b { + pins = "gpio32"; + function = "fct3"; + }; + }; +}; + +uart2: serial@900000 { + compatible = "ns16550a"; + reg = <0x900000 0x100000>; + clocks = <&sysclk>; + interrupts = <29>; + reg-shift = <0>; + fifo-size = <16>; + reg-io-width = <1>; + current-speed = <115200>; + no-loopback-test; + status = "disabled"; + resets = <&reset 22>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2>; +}; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt new file mode 100644 index 000000000000..ca01710ee29a --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt @@ -0,0 +1,170 @@ +====================== +Aspeed Pin Controllers +====================== + +The Aspeed SoCs vary in functionality inside a generation but have a common mux +device register layout. + +Required properties for g4: +- compatible : Should be one of the following: + "aspeed,ast2400-pinctrl" + "aspeed,g4-pinctrl" + +Required properties for g5: +- compatible : Should be one of the following: + "aspeed,ast2500-pinctrl" + "aspeed,g5-pinctrl" + +- aspeed,external-nodes: A cell of phandles to external controller nodes: + 0: compatible with "aspeed,ast2500-gfx", "syscon" + 1: compatible with "aspeed,ast2500-lhc", "syscon" + +The pin controller node should be the child of a syscon node with the required +property: + +- compatible : Should be one of the following: + "aspeed,ast2400-scu", "syscon", "simple-mfd" + "aspeed,g4-scu", "syscon", "simple-mfd" + "aspeed,ast2500-scu", "syscon", "simple-mfd" + "aspeed,g5-scu", "syscon", "simple-mfd" + +Refer to the the bindings described in +Documentation/devicetree/bindings/mfd/syscon.txt + +Subnode Format +============== + +The required properties of pinmux child nodes are: +- function: the mux function to select +- groups : the list of groups to select with this function + +Required properties of pinconf child nodes are: +- groups: A list of groups to select (either this or "pins" must be + specified) +- pins : A list of ball names as strings, eg "D14" (either this or "groups" + must be specified) + +Optional properties of pinconf child nodes are: +- bias-disable : disable any pin bias +- bias-pull-down: pull down the pin +- drive-strength: sink or source at most X mA + +Definitions are as specified in +Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt, with any +further limitations as described above. + +For pinmux, each mux function has only one associated pin group. Each group is +named by its function. The following values for the function and groups +properties are supported: + +aspeed,ast2400-pinctrl, aspeed,g4-pinctrl: + +ACPI ADC0 ADC1 ADC10 ADC11 ADC12 ADC13 ADC14 ADC15 ADC2 ADC3 ADC4 ADC5 ADC6 +ADC7 ADC8 ADC9 BMCINT DDCCLK DDCDAT EXTRST FLACK FLBUSY FLWP GPID GPID0 GPID2 +GPID4 GPID6 GPIE0 GPIE2 GPIE4 GPIE6 I2C10 I2C11 I2C12 I2C13 I2C14 I2C3 I2C4 +I2C5 I2C6 I2C7 I2C8 I2C9 LPCPD LPCPME LPCRST LPCSMI MAC1LINK MAC2LINK MDIO1 +MDIO2 NCTS1 NCTS2 NCTS3 NCTS4 NDCD1 NDCD2 NDCD3 NDCD4 NDSR1 NDSR2 NDSR3 NDSR4 +NDTR1 NDTR2 NDTR3 NDTR4 NDTS4 NRI1 NRI2 NRI3 NRI4 NRTS1 NRTS2 NRTS3 OSCCLK PWM0 +PWM1 PWM2 PWM3 PWM4 PWM5 PWM6 PWM7 RGMII1 RGMII2 RMII1 RMII2 ROM16 ROM8 ROMCS1 +ROMCS2 ROMCS3 ROMCS4 RXD1 RXD2 RXD3 RXD4 SALT1 SALT2 SALT3 SALT4 SD1 SD2 SGPMCK +SGPMI SGPMLD SGPMO SGPSCK SGPSI0 SGPSI1 SGPSLD SIOONCTRL SIOPBI SIOPBO SIOPWREQ +SIOPWRGD SIOS3 SIOS5 SIOSCI SPI1 SPI1DEBUG SPI1PASSTHRU SPICS1 TIMER3 TIMER4 +TIMER5 TIMER6 TIMER7 TIMER8 TXD1 TXD2 TXD3 TXD4 UART6 USBCKI VGABIOS_ROM VGAHS +VGAVS VPI18 VPI24 VPI30 VPO12 VPO24 WDTRST1 WDTRST2 + +aspeed,ast2500-pinctrl, aspeed,g5-pinctrl: + +ACPI ADC0 ADC1 ADC10 ADC11 ADC12 ADC13 ADC14 ADC15 ADC2 ADC3 ADC4 ADC5 ADC6 +ADC7 ADC8 ADC9 BMCINT DDCCLK DDCDAT ESPI FWSPICS1 FWSPICS2 GPID0 GPID2 GPID4 +GPID6 GPIE0 GPIE2 GPIE4 GPIE6 I2C10 I2C11 I2C12 I2C13 I2C14 I2C3 I2C4 I2C5 I2C6 +I2C7 I2C8 I2C9 LAD0 LAD1 LAD2 LAD3 LCLK LFRAME LPCHC LPCPD LPCPLUS LPCPME +LPCRST LPCSMI LSIRQ MAC1LINK MAC2LINK MDIO1 MDIO2 NCTS1 NCTS2 NCTS3 NCTS4 NDCD1 +NDCD2 NDCD3 NDCD4 NDSR1 NDSR2 NDSR3 NDSR4 NDTR1 NDTR2 NDTR3 NDTR4 NRI1 NRI2 +NRI3 NRI4 NRTS1 NRTS2 NRTS3 NRTS4 OSCCLK PEWAKE PNOR PWM0 PWM1 PWM2 PWM3 PWM4 +PWM5 PWM6 PWM7 RGMII1 RGMII2 RMII1 RMII2 RXD1 RXD2 RXD3 RXD4 SALT1 SALT10 +SALT11 SALT12 SALT13 SALT14 SALT2 SALT3 SALT4 SALT5 SALT6 SALT7 SALT8 SALT9 +SCL1 SCL2 SD1 SD2 SDA1 SDA2 SGPS1 SGPS2 SIOONCTRL SIOPBI SIOPBO SIOPWREQ +SIOPWRGD SIOS3 SIOS5 SIOSCI SPI1 SPI1CS1 SPI1DEBUG SPI1PASSTHRU SPI2CK SPI2CS0 +SPI2CS1 SPI2MISO SPI2MOSI TIMER3 TIMER4 TIMER5 TIMER6 TIMER7 TIMER8 TXD1 TXD2 +TXD3 TXD4 UART6 USBCKI VGABIOSROM VGAHS VGAVS VPI24 VPO WDTRST1 WDTRST2 + +Examples +======== + +g4 Example +---------- + +syscon: scu@1e6e2000 { + compatible = "aspeed,ast2400-scu", "syscon", "simple-mfd"; + reg = <0x1e6e2000 0x1a8>; + + pinctrl: pinctrl { + compatible = "aspeed,g4-pinctrl"; + + pinctrl_i2c3_default: i2c3_default { + function = "I2C3"; + groups = "I2C3"; + }; + + pinctrl_gpioh0_unbiased_default: gpioh0 { + pins = "A8"; + bias-disable; + }; + }; +}; + +g5 Example +---------- + +ahb { + apb { + syscon: scu@1e6e2000 { + compatible = "aspeed,ast2500-scu", "syscon", "simple-mfd"; + reg = <0x1e6e2000 0x1a8>; + + pinctrl: pinctrl { + compatible = "aspeed,g5-pinctrl"; + aspeed,external-nodes = <&gfx &lhc>; + + pinctrl_i2c3_default: i2c3_default { + function = "I2C3"; + groups = "I2C3"; + }; + + pinctrl_gpioh0_unbiased_default: gpioh0 { + pins = "A18"; + bias-disable; + }; + }; + }; + + gfx: display@1e6e6000 { + compatible = "aspeed,ast2500-gfx", "syscon"; + reg = <0x1e6e6000 0x1000>; + }; + }; + + lpc: lpc@1e789000 { + compatible = "aspeed,ast2500-lpc", "simple-mfd"; + reg = <0x1e789000 0x1000>; + + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x1e789000 0x1000>; + + lpc_host: lpc-host@80 { + compatible = "aspeed,ast2500-lpc-host", "simple-mfd", "syscon"; + reg = <0x80 0x1e0>; + reg-io-width = <4>; + + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x80 0x1e0>; + + lhc: lhc@20 { + compatible = "aspeed,ast2500-lhc"; + reg = <0x20 0x24 0x48 0x8>; + }; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt index b73c96d24f59..62d0f33fa65e 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt @@ -97,6 +97,11 @@ For example: }; == Pin controller devices == +Required properties: See the pin controller driver specific documentation + +Optional properties: +#pinctrl-cells: Number of pin control cells in addition to the index within the + pin controller device instance Pin controller devices should contain the pin configuration nodes that client devices reference. @@ -119,7 +124,8 @@ For example: The contents of each of those pin configuration child nodes is defined entirely by the binding for the individual pin controller device. There -exists no common standard for this content. +exists no common standard for this content. The pinctrl framework only +provides generic helper bindings that the pin controller driver can use. The pin configuration nodes need not be direct children of the pin controller device; they may be grandchildren, for example. Whether this is legal, and @@ -156,6 +162,65 @@ state_2_node_a { pins = "mfio29", "mfio30"; }; +Optionally an alternative binding can be used if more suitable depending on the +pin controller hardware. For hardware where there is a large number of identical +pin controller instances, naming each pin and function can easily become +unmaintainable. This is especially the case if the same controller is used for +different pins and functions depending on the SoC revision and packaging. + +For cases like this, the pin controller driver may use pinctrl-pin-array helper +binding with a hardware based index and a number of pin configuration values: + +pincontroller { + ... /* Standard DT properties for the device itself elided */ + #pinctrl-cells = <2>; + + state_0_node_a { + pinctrl-pin-array = < + 0 A_DELAY_PS(0) G_DELAY_PS(120) + 4 A_DELAY_PS(0) G_DELAY_PS(360) + ... + >; + }; + ... +}; + +Above #pinctrl-cells specifies the number of value cells in addition to the +index of the registers. This is similar to the interrupts-extended binding with +one exception. There is no need to specify the phandle for each entry as that +is already known as the defined pins are always children of the pin controller +node. Further having the phandle pointing to another pin controller would not +currently work as the pinctrl framework uses named modes to group pins for each +pin control device. + +The index for pinctrl-pin-array must relate to the hardware for the pinctrl +registers, and must not be a virtual index of pin instances. The reason for +this is to avoid mapping of the index in the dts files and the pin controller +driver as it can change. + +For hardware where pin multiplexing configurations have to be specified for +each single pin the number of required sub-nodes containing "pin" and +"function" properties can quickly escalate and become hard to write and +maintain. + +For cases like this, the pin controller driver may use the pinmux helper +property, where the pin identifier is provided with mux configuration settings +in a pinmux group. A pinmux group consists of the pin identifier and mux +settings represented as a single integer or an array of integers. + +The pinmux property accepts an array of pinmux groups, each of them describing +a single pin multiplexing configuration. + +pincontroller { + state_0_node_a { + pinmux = <PINMUX_GROUP>, <PINMUX_GROUP>, ...; + }; +}; + +Each individual pin controller driver bindings documentation shall specify +how pin IDs and pin multiplexing configuration are defined and assembled +together in a pinmux group. + == Generic pin configuration node content == Many data items that are represented in a pin configuration node are common @@ -168,12 +233,15 @@ structure of the DT nodes that contain these properties. Supported generic properties are: pins - the list of pins that properties in the node - apply to (either this or "group" has to be + apply to (either this, "group" or "pinmux" has to be specified) group - the group to apply the properties to, if the driver supports configuration of whole groups rather than - individual pins (either this or "pins" has to be - specified) + individual pins (either this, "pins" or "pinmux" has + to be specified) +pinmux - the list of numeric pin ids and their mux settings + that properties in the node apply to (either this, + "pins" or "groups" have to be specified) bias-disable - disable any pin bias bias-high-impedance - high impedance mode ("third-state", "floating") bias-bus-hold - latch weakly @@ -184,14 +252,20 @@ drive-push-pull - drive actively high and low drive-open-drain - drive with open drain drive-open-source - drive with open source drive-strength - sink or source at most X mA -input-enable - enable input on pin (no effect on output) -input-disable - disable input on pin (no effect on output) +input-enable - enable input on pin (no effect on output, such as + enabling an input buffer) +input-disable - disable input on pin (no effect on output, such as + disabling an input buffer) input-schmitt-enable - enable schmitt-trigger mode input-schmitt-disable - disable schmitt-trigger mode input-debounce - debounce mode with debound time X power-source - select between different power supplies low-power-enable - enable low power mode low-power-disable - disable low power mode +output-disable - disable output on a pin (such as disable an output + buffer) +output-enable - enable output on a pin without actively driving it + (such as enabling an output buffer) output-low - set the pin to output mode with low level output-high - set the pin to output mode with high level slew-rate - set the slew rate @@ -216,6 +290,12 @@ state_2_node_a { bias-pull-up; }; }; +state_3_node_a { + mux { + pinmux = <GPIOx_PINm_MUXn>, <GPIOx_PINj_MUXk)>; + input-enable; + }; +}; Some of the generic properties take arguments. For those that do, the arguments are described below. @@ -224,6 +304,11 @@ arguments are described below. binding for the hardware defines: - Whether the entries are integers or strings, and their meaning. +- pinmux takes a list of pin IDs and mux settings as required argument. The + specific bindings for the hardware defines: + - How pin IDs and mux settings are defined and assembled together in a single + integer or an array of integers. + - bias-pull-up, -down and -pin-default take as optional argument on hardware supporting it the pull strength in Ohm. bias-disable will disable the pull. diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-max77620.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-max77620.txt new file mode 100644 index 000000000000..ad4fce3552bb --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-max77620.txt @@ -0,0 +1,127 @@ +Pincontrol driver for MAX77620 Power management IC from Maxim Semiconductor. + +Device has 8 GPIO pins which can be configured as GPIO as well as the +special IO functions. + +Please refer file <devicetree/bindings/pinctrl/pinctrl-bindings.txt> +for details of the common pinctrl bindings used by client devices, +including the meaning of the phrase "pin configuration node". + +Optional Pinmux properties: +-------------------------- +Following properties are required if default setting of pins are required +at boot. +- pinctrl-names: A pinctrl state named per <pinctrl-binding.txt>. +- pinctrl[0...n]: Properties to contain the phandle for pinctrl states per + <pinctrl-binding.txt>. + +The pin configurations are defined as child of the pinctrl states node. Each +sub-node have following properties: + +Required properties: +------------------ +- pins: List of pins. Valid values of pins properties are: + gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6, gpio7. + +Optional properties: +------------------- +Following are optional properties defined as pinmux DT binding document +<pinctrl-bindings.txt>. Absence of properties will leave the configuration +on default. + function, + drive-push-pull, + drive-open-drain, + bias-pull-up, + bias-pull-down. + +Valid values for function properties are: + gpio, lpm-control-in, fps-out, 32k-out, sd0-dvs-in, sd1-dvs-in, + reference-out + +Theres is also customised properties for the GPIO1, GPIO2 and GPIO3. These +customised properties are required to configure FPS configuration parameters +of these GPIOs. Please refer <devicetree/bindings/mfd/max77620.txt> for more +detail of Flexible Power Sequence (FPS). + +- maxim,active-fps-source: FPS source for the GPIOs to get + enabled/disabled when system is in + active state. Valid values are: + - MAX77620_FPS_SRC_0, + FPS source is FPS0. + - MAX77620_FPS_SRC_1, + FPS source is FPS1 + - MAX77620_FPS_SRC_2 and + FPS source is FPS2 + - MAX77620_FPS_SRC_NONE. + GPIO is not controlled + by FPS events and it gets + enabled/disabled by register + access. + Absence of this property will leave + the FPS configuration register for that + GPIO to default configuration. + +- maxim,active-fps-power-up-slot: Sequencing event slot number on which + the GPIO get enabled when + master FPS input event set to HIGH. + Valid values are 0 to 7. + This is applicable if FPS source is + selected as FPS0, FPS1 or FPS2. + +- maxim,active-fps-power-down-slot: Sequencing event slot number on which + the GPIO get disabled when master + FPS input event set to LOW. + Valid values are 0 to 7. + This is applicable if FPS source is + selected as FPS0, FPS1 or FPS2. + +- maxim,suspend-fps-source: This is same as property + "maxim,active-fps-source" but value + get configured when system enters in + to suspend state. + +- maxim,suspend-fps-power-up-slot: This is same as property + "maxim,active-fps-power-up-slot" but + this value get configured into FPS + configuration register when system + enters into suspend. + This is applicable if suspend state + FPS source is selected as FPS0, FPS1 or + +- maxim,suspend-fps-power-down-slot: This is same as property + "maxim,active-fps-power-down-slot" but + this value get configured into FPS + configuration register when system + enters into suspend. + This is applicable if suspend state + FPS source is selected as FPS0, FPS1 or + FPS2. + +Example: +-------- +#include <dt-bindings/mfd/max77620.h> +... +max77620@3c { + + pinctrl-names = "default"; + pinctrl-0 = <&spmic_default>; + + spmic_default: pinmux@0 { + pin_gpio0 { + pins = "gpio0"; + function = "gpio"; + }; + + pin_gpio1 { + pins = "gpio1"; + function = "fps-out"; + maxim,active-fps-source = <MAX77620_FPS_SRC_0>; + }; + + pin_gpio2 { + pins = "gpio2"; + function = "fps-out"; + maxim,active-fps-source = <MAX77620_FPS_SRC_1>; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt index 9ffb0b276bb4..17631d0a9af7 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt @@ -6,6 +6,7 @@ Required properties: - compatible: value should be one of the following. "mediatek,mt2701-pinctrl", compatible with mt2701 pinctrl. "mediatek,mt6397-pinctrl", compatible with mt6397 pinctrl. + "mediatek,mt7623-pinctrl", compatible with mt7623 pinctrl. "mediatek,mt8127-pinctrl", compatible with mt8127 pinctrl. "mediatek,mt8135-pinctrl", compatible with mt8135 pinctrl. "mediatek,mt8173-pinctrl", compatible with mt8173 pinctrl. diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt index caf297bee1fb..c28d4eb83b76 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt @@ -35,6 +35,15 @@ Optional properties: - ti,palmas-enable-dvfs2: Enable DVFS2. Configure pins for DVFS2 mode. Selection primary or secondary function associated to GPADC_START and SYSEN2 pin/pad for DVFS2 interface +- ti,palmas-override-powerhold: This is applicable for PMICs for which + GPIO7 is configured in POWERHOLD mode which has higher priority + over DEV_ON bit and keeps the PMIC supplies on even after the DEV_ON + bit is turned off. This property enables driver to over ride the + POWERHOLD value to GPIO7 so as to turn off the PMIC in power off + scenarios. So for GPIO7 if ti,palmas-override-powerhold is set + then the GPIO_7 field should never be muxed to anything else. + It should be set to POWERHOLD by default and only in case of + power off scenarios the driver will over ride the mux value. This binding uses the following generic properties as defined in pinctrl-bindings.txt: diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt index 66dcaa9efd74..e705acd3612c 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt @@ -7,6 +7,9 @@ Required properties: - reg : offset and length of the register set for the mux registers +- #pinctrl-cells : number of cells in addition to the index, set to 1 + for pinctrl-single,pins and 2 for pinctrl-single,bits + - pinctrl-single,register-width : pinmux register access width in bits - pinctrl-single,function-mask : mask of allowed pinmux function bits diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt index 26bcb18f4e60..013c675b5b64 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt @@ -30,8 +30,7 @@ Second type has a dedicated interrupt per gpio bank. Pin controller node: Required properties: -- compatible : should be "st,<SOC>-<pio-block>-pinctrl" - like st,stih415-sbc-pinctrl, st,stih415-front-pinctrl and so on. +- compatible : should be "st,stih407-<pio-block>-pinctrl" - st,syscfg : Should be a phandle of the syscfg node. - st,retime-pin-mask : Should be mask to specify which pins can be retimed. If the property is not present, it is assumed that all the pins in the @@ -50,7 +49,11 @@ Optional properties: GPIO controller/bank node. Required properties: - gpio-controller : Indicates this device is a GPIO controller -- #gpio-cells : Should be one. The first cell is the pin number. +- #gpio-cells : Must be two. + - First cell: specifies the pin number inside the controller + - Second cell: specifies whether the pin is logically inverted. + - 0 = active high + - 1 = active low - st,bank-name : Should be a name string for this bank as specified in datasheet. @@ -76,23 +79,23 @@ include/dt-bindings/interrupt-controller/irq.h Example: pin-controller-sbc { - #address-cells = <1>; - #size-cells = <1>; - compatible = "st,stih415-sbc-pinctrl"; - st,syscfg = <&syscfg_sbc>; - reg = <0xfe61f080 0x4>; - reg-names = "irqmux"; - interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "irqmux"; - ranges = <0 0xfe610000 0x5000>; - - PIO0: gpio@fe610000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "st,stih407-sbc-pinctrl"; + st,syscfg = <&syscfg_sbc>; + reg = <0x0961f080 0x4>; + reg-names = "irqmux"; + interrupts = <GIC_SPI 188 IRQ_TYPE_NONE>; + interrupt-names = "irqmux"; + ranges = <0 0x09610000 0x6000>; + + pio0: gpio@09610000 { gpio-controller; - #gpio-cells = <1>; + #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; - reg = <0 0x100>; - st,bank-name = "PIO0"; + reg = <0x0 0x100>; + st,bank-name = "PIO0"; }; ... pin-functions nodes follow... @@ -162,7 +165,7 @@ pin-controller { sdhci0:sdhci@fe810000{ ... - interrupt-parent = <&PIO3>; + interrupt-parent = <&pio3>; #interrupt-cells = <2>; interrupts = <3 IRQ_TYPE_LEVEL_HIGH>; /* Interrupt line via PIO3-3 */ interrupt-names = "card-detect"; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-sx150x.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-sx150x.txt new file mode 100644 index 000000000000..bf76867168e9 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-sx150x.txt @@ -0,0 +1,74 @@ +SEMTECH SX150x GPIO expander bindings + +Please refer to pinctrl-bindings.txt, ../gpio/gpio.txt, and +../interrupt-controller/interrupts.txt for generic information regarding +pin controller, GPIO, and interrupt bindings. + +Required properties: +- compatible: should be one of : + "semtech,sx1501q", + "semtech,sx1502q", + "semtech,sx1503q", + "semtech,sx1504q", + "semtech,sx1505q", + "semtech,sx1506q", + "semtech,sx1507q", + "semtech,sx1508q", + "semtech,sx1509q". + +- reg: The I2C slave address for this device. + +- #gpio-cells: Should be 2. The first cell is the GPIO number and the + second cell is used to specify optional parameters: + bit 0: polarity (0: normal, 1: inverted) + +- gpio-controller: Marks the device as a GPIO controller. + +Optional properties : +- interrupt-parent: phandle of the parent interrupt controller. + +- interrupts: Interrupt specifier for the controllers interrupt. + +- interrupt-controller: Marks the device as a interrupt controller. + +- semtech,probe-reset: Will trigger a reset of the GPIO expander on probe, + only for sx1507q, sx1508q and sx1509q + +The GPIO expander can optionally be used as an interrupt controller, in +which case it uses the default two cell specifier. + +Required properties for pin configuration sub-nodes: + - pins: List of pins to which the configuration applies. + +Optional properties for pin configuration sub-nodes: +---------------------------------------------------- + - bias-disable: disable any pin bias, except the OSCIO pin + - bias-pull-up: pull up the pin, except the OSCIO pin + - bias-pull-down: pull down the pin, except the OSCIO pin + - bias-pull-pin-default: use pin-default pull state, except the OSCIO pin + - drive-push-pull: drive actively high and low + - drive-open-drain: drive with open drain only for sx1507q, sx1508q and sx1509q and except the OSCIO pin + - output-low: set the pin to output mode with low level + - output-high: set the pin to output mode with high level + +Example: + + i2c0gpio-expander@20{ + #gpio-cells = <2>; + #interrupt-cells = <2>; + compatible = "semtech,sx1506q"; + reg = <0x20>; + interrupt-parent = <&gpio_1>; + interrupts = <16 0>; + + gpio-controller; + interrupt-controller; + + pinctrl-names = "default"; + pinctrl-0 = <&gpio1_cfg_pins>; + + gpio1_cfg_pins: gpio1-cfg { + pins = "gpio1"; + bias-pull-up; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-zx.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-zx.txt new file mode 100644 index 000000000000..e219849b21ca --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-zx.txt @@ -0,0 +1,85 @@ +* ZTE ZX Pin Controller + +The pin controller on ZTE ZX platforms is kinda of hybrid. It consists of +a main controller and an auxiliary one. For example, on ZX296718 SoC, the +main controller is TOP_PMM and the auxiliary one is AON_IOCFG. Both +controllers work together to control pin multiplexing and configuration in +the way illustrated as below. + + + GMII_RXD3 ---+ + | + DVI1_HS ---+----------------------------- GMII_RXD3 (TOP pin) + | + BGPIO16 ---+ ^ + | pinconf + ^ | + | pinmux | + | | + + TOP_PMM (main) AON_IOCFG (aux) + + | | | + | pinmux | | + | pinmux v | + v | pinconf + KEY_ROW2 ---+ v + PORT1_LCD_TE ---+ | + | AGPIO10 ---+------ KEY_ROW2 (AON pin) + I2S0_DOUT3 ---+ | + |-----------------------+ + PWM_OUT3 ---+ + | + VGA_VS1 ---+ + + +For most of pins like GMII_RXD3 in the figure, the pinmux function is +controlled by TOP_PMM block only, and this type of pins are meant by term +'TOP pins'. For pins like KEY_ROW2, the pinmux is controlled by both +TOP_PMM and AON_IOCFG blocks, as the available multiplexing functions for +the pin spread in both controllers. This type of pins are called 'AON pins'. +Though pinmux implementation is quite different, pinconf is same for both +types of pins. Both are controlled by auxiliary controller, i.e. AON_IOCFG +on ZX296718. + +Required properties: +- compatible: should be "zte,zx296718-pmm". +- reg: the register physical address and length. +- zte,auxiliary-controller: phandle to the auxiliary pin controller which + implements pinmux for AON pins and pinconf for all pins. + +The following pin configuration are supported. Please refer to +pinctrl-bindings.txt in this directory for more details of the common +pinctrl bindings used by client devices. + +- bias-pull-up +- bias-pull-down +- drive-strength +- input-enable +- slew-rate + +Examples: + +iocfg: pin-controller@119000 { + compatible = "zte,zx296718-iocfg"; + reg = <0x119000 0x1000>; +}; + +pmm: pin-controller@1462000 { + compatible = "zte,zx296718-pmm"; + reg = <0x1462000 0x1000>; + zte,auxiliary-controller = <&iocfg>; +}; + +&pmm { + vga_pins: vga { + pins = "KEY_COL1", "KEY_COL2", "KEY_ROW1", "KEY_ROW2"; + function = "VGA"; + }; +}; + +&vga { + pinctrl-names = "default"; + pinctrl-0 = <&vga_pins>; + status = "okay"; +}; diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,ipq4019-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,ipq4019-pinctrl.txt new file mode 100644 index 000000000000..cfb8500dd56b --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq4019-pinctrl.txt @@ -0,0 +1,74 @@ +Qualcomm Atheros IPQ4019 TLMM block + +This is the Top Level Mode Multiplexor block found on the Qualcomm IPQ8019 +platform, it provides pinctrl, pinmux, pinconf, and gpiolib facilities. + +Required properties: +- compatible: "qcom,ipq4019-pinctrl" +- reg: Should be the base address and length of the TLMM block. +- interrupts: Should be the parent IRQ of the TLMM block. +- interrupt-controller: Marks the device node as an interrupt controller. +- #interrupt-cells: Should be two. +- gpio-controller: Marks the device node as a GPIO controller. +- #gpio-cells : Should be two. + The first cell is the gpio pin number and the + second cell is used for optional parameters. + +Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for +a general description of GPIO and interrupt bindings. + +Please refer to pinctrl-bindings.txt in this directory for details of the +common pinctrl bindings used by client devices, including the meaning of the +phrase "pin configuration node". + +The pin configuration nodes act as a container for an abitrary number of +subnodes. Each of these subnodes represents some desired configuration for a +pin, a group, or a list of pins or groups. This configuration can include the +mux function to select on those pin(s)/group(s), and various pin configuration +parameters, such as pull-up, drive strength, etc. + +The name of each subnode is not important; all subnodes should be enumerated +and processed purely based on their content. + +Each subnode only affects those parameters that are explicitly listed. In +other words, a subnode that lists a mux function but no pin configuration +parameters implies no information about any pin configuration parameters. +Similarly, a pin subnode that describes a pullup parameter implies no +information about e.g. the mux function. + + +The following generic properties as defined in pinctrl-bindings.txt are valid +to specify in a pin configuration subnode: + pins, function, bias-disable, bias-pull-down, bias-pull,up, drive-strength. + +Non-empty subnodes must specify the 'pins' property. +Note that not all properties are valid for all pins. + + +Valid values for qcom,pins are: + gpio0-gpio99 + Supports mux, bias and drive-strength + +Valid values for qcom,function are: +gpio, blsp_uart1, blsp_i2c0, blsp_i2c1, blsp_uart0, blsp_spi1, blsp_spi0 + +Example: + + tlmm: pinctrl@1000000 { + compatible = "qcom,ipq4019-pinctrl"; + reg = <0x1000000 0x300000>; + + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 208 0>; + + serial_pins: serial_pinmux { + mux { + pins = "gpio60", "gpio61"; + function = "blsp_uart0"; + bias-disable; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,ipq8074-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,ipq8074-pinctrl.txt new file mode 100644 index 000000000000..407b9443629d --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq8074-pinctrl.txt @@ -0,0 +1,172 @@ +Qualcomm Technologies, Inc. IPQ8074 TLMM block + +This binding describes the Top Level Mode Multiplexer block found in the +IPQ8074 platform. + +- compatible: + Usage: required + Value type: <string> + Definition: must be "qcom,ipq8074-pinctrl" + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: the base address and size of the TLMM register space. + +- interrupts: + Usage: required + Value type: <prop-encoded-array> + Definition: should specify the TLMM summary IRQ. + +- interrupt-controller: + Usage: required + Value type: <none> + Definition: identifies this node as an interrupt controller + +- #interrupt-cells: + Usage: required + Value type: <u32> + Definition: must be 2. Specifying the pin number and flags, as defined + in <dt-bindings/interrupt-controller/irq.h> + +- gpio-controller: + Usage: required + Value type: <none> + Definition: identifies this node as a gpio controller + +- #gpio-cells: + Usage: required + Value type: <u32> + Definition: must be 2. Specifying the pin number and flags, as defined + in <dt-bindings/gpio/gpio.h> + +Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for +a general description of GPIO and interrupt bindings. + +Please refer to pinctrl-bindings.txt in this directory for details of the +common pinctrl bindings used by client devices, including the meaning of the +phrase "pin configuration node". + +The pin configuration nodes act as a container for an arbitrary number of +subnodes. Each of these subnodes represents some desired configuration for a +pin, a group, or a list of pins or groups. This configuration can include the +mux function to select on those pin(s)/group(s), and various pin configuration +parameters, such as pull-up, drive strength, etc. + + +PIN CONFIGURATION NODES: + +The name of each subnode is not important; all subnodes should be enumerated +and processed purely based on their content. + +Each subnode only affects those parameters that are explicitly listed. In +other words, a subnode that lists a mux function but no pin configuration +parameters implies no information about any pin configuration parameters. +Similarly, a pin subnode that describes a pullup parameter implies no +information about e.g. the mux function. + + +The following generic properties as defined in pinctrl-bindings.txt are valid +to specify in a pin configuration subnode: + +- pins: + Usage: required + Value type: <string-array> + Definition: List of gpio pins affected by the properties specified in + this subnode. Valid pins are: + gpio0-gpio69 + +- function: + Usage: required + Value type: <string> + Definition: Specify the alternative function to be configured for the + specified pins. Functions are only valid for gpio pins. + Valid values are: + atest_char, atest_char0, atest_char1, atest_char2, + atest_char3, audio_rxbclk, audio_rxd, audio_rxfsync, + audio_rxmclk, audio_txbclk, audio_txd, audio_txfsync, + audio_txmclk, blsp0_i2c, blsp0_spi, blsp0_uart, blsp1_i2c, + blsp1_spi, blsp1_uart, blsp2_i2c, blsp2_spi, blsp2_uart, + blsp3_i2c, blsp3_spi, blsp3_spi0, blsp3_spi1, blsp3_spi2, + blsp3_spi3, blsp3_uart, blsp4_i2c0, blsp4_i2c1, blsp4_spi0, + blsp4_spi1, blsp4_uart0, blsp4_uart1, blsp5_i2c, blsp5_spi, + blsp5_uart, burn0, burn1, cri_trng, cri_trng0, cri_trng1, + cxc0, cxc1, dbg_out, gcc_plltest, gcc_tlmm, gpio, ldo_en, + ldo_update, led0, led1, led2, mac0_sa0, mac0_sa1, mac1_sa0, + mac1_sa1, mac1_sa2, mac1_sa3, mac2_sa0, mac2_sa1, mdc, + mdio, pcie0_clk, pcie0_rst, pcie0_wake, pcie1_clk, + pcie1_rst, pcie1_wake, pcm_drx, pcm_dtx, pcm_fsync, + pcm_pclk, pcm_zsi0, pcm_zsi1, prng_rosc, pta1_0, pta1_1, + pta1_2, pta2_0, pta2_1, pta2_2, pwm0, pwm1, pwm2, pwm3, + qdss_cti_trig_in_a0, qdss_cti_trig_in_a1, + qdss_cti_trig_in_b0, qdss_cti_trig_in_b1, + qdss_cti_trig_out_a0, qdss_cti_trig_out_a1, + qdss_cti_trig_out_b0, qdss_cti_trig_out_b1, + qdss_traceclk_a, qdss_traceclk_b, qdss_tracectl_a, + qdss_tracectl_b, qdss_tracedata_a, qdss_tracedata_b, + qpic, rx0, rx1, rx2, sd_card, sd_write, tsens_max, wci2a, + wci2b, wci2c, wci2d + +- bias-disable: + Usage: optional + Value type: <none> + Definition: The specified pins should be configued as no pull. + +- bias-pull-down: + Usage: optional + Value type: <none> + Definition: The specified pins should be configued as pull down. + +- bias-pull-up: + Usage: optional + Value type: <none> + Definition: The specified pins should be configued as pull up. + +- output-high: + Usage: optional + Value type: <none> + Definition: The specified pins are configured in output mode, driven + high. + +- output-low: + Usage: optional + Value type: <none> + Definition: The specified pins are configured in output mode, driven + low. + +- drive-strength: + Usage: optional + Value type: <u32> + Definition: Selects the drive strength for the specified pins, in mA. + Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16 + +Example: + + tlmm: pinctrl@1000000 { + compatible = "qcom,ipq8074-pinctrl"; + reg = <0x1000000 0x300000>; + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + + uart2: uart2-default { + mux { + pins = "gpio23", "gpio24"; + function = "blsp4_uart1"; + }; + + rx { + pins = "gpio23"; + drive-strength = <4>; + bias-disable; + }; + + tx { + pins = "gpio24"; + drive-strength = <2>; + bias-pull-up; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.txt new file mode 100644 index 000000000000..1b52f01ddcb7 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.txt @@ -0,0 +1,152 @@ +Qualcomm MDM9615 TLMM block + +This binding describes the Top Level Mode Multiplexer block found in the +MDM9615 platform. + +- compatible: + Usage: required + Value type: <string> + Definition: must be "qcom,mdm9615-pinctrl" + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: the base address and size of the TLMM register space. + +- interrupts: + Usage: required + Value type: <prop-encoded-array> + Definition: should specify the TLMM summary IRQ. + +- interrupt-controller: + Usage: required + Value type: <none> + Definition: identifies this node as an interrupt controller + +- #interrupt-cells: + Usage: required + Value type: <u32> + Definition: must be 2. Specifying the pin number and flags, as defined + in <dt-bindings/interrupt-controller/irq.h> + +- gpio-controller: + Usage: required + Value type: <none> + Definition: identifies this node as a gpio controller + +- #gpio-cells: + Usage: required + Value type: <u32> + Definition: must be 2. Specifying the pin number and flags, as defined + in <dt-bindings/gpio/gpio.h> + +Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for +a general description of GPIO and interrupt bindings. + +Please refer to pinctrl-bindings.txt in this directory for details of the +common pinctrl bindings used by client devices, including the meaning of the +phrase "pin configuration node". + +The pin configuration nodes act as a container for an arbitrary number of +subnodes. Each of these subnodes represents some desired configuration for a +pin, a group, or a list of pins or groups. This configuration can include the +mux function to select on those pin(s)/group(s), and various pin configuration +parameters, such as pull-up, drive strength, etc. + + +PIN CONFIGURATION NODES: + +The name of each subnode is not important; all subnodes should be enumerated +and processed purely based on their content. + +Each subnode only affects those parameters that are explicitly listed. In +other words, a subnode that lists a mux function but no pin configuration +parameters implies no information about any pin configuration parameters. +Similarly, a pin subnode that describes a pullup parameter implies no +information about e.g. the mux function. + + +The following generic properties as defined in pinctrl-bindings.txt are valid +to specify in a pin configuration subnode: + +- pins: + Usage: required + Value type: <string-array> + Definition: List of gpio pins affected by the properties specified in + this subnode. Valid pins are: + gpio0-gpio87 + +- function: + Usage: required + Value type: <string> + Definition: Specify the alternative function to be configured for the + specified pins. + Valid values are: + gpio, gsbi2_i2c, gsbi3, gsbi4, gsbi5_i2c, gsbi5_uart, + sdc2, ebi2_lcdc, ps_hold, prim_audio, sec_audio, + cdc_mclk + +- bias-disable: + Usage: optional + Value type: <none> + Definition: The specified pins should be configued as no pull. + +- bias-pull-down: + Usage: optional + Value type: <none> + Definition: The specified pins should be configued as pull down. + +- bias-pull-up: + Usage: optional + Value type: <none> + Definition: The specified pins should be configued as pull up. + +- output-high: + Usage: optional + Value type: <none> + Definition: The specified pins are configured in output mode, driven + high. + +- output-low: + Usage: optional + Value type: <none> + Definition: The specified pins are configured in output mode, driven + low. + +- drive-strength: + Usage: optional + Value type: <u32> + Definition: Selects the drive strength for the specified pins, in mA. + Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16 + +Example: + + msmgpio: pinctrl@800000 { + compatible = "qcom,mdm9615-pinctrl"; + reg = <0x800000 0x4000>; + + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 16 0x4>; + + gsbi8_uart: gsbi8-uart { + mux { + pins = "gpio34", "gpio35"; + function = "gsbi8"; + }; + + tx { + pins = "gpio34"; + drive-strength = <4>; + bias-disable; + }; + + rx { + pins = "gpio35"; + drive-strength = <2>; + bias-pull-up; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8660-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8660-pinctrl.txt index 77aa11790163..df9a838ec5f9 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8660-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8660-pinctrl.txt @@ -52,7 +52,7 @@ Valid values for function are: gsbi2_spi_cs3_n, gsbi3, gsbi3_spi_cs1_n, gsbi3_spi_cs2_n, gsbi3_spi_cs3_n, gsbi4, gsbi5, gsbi6, gsbi7, gsbi8, gsbi9, gsbi10, gsbi11, gsbi12, hdmi, i2s, lcdc, mdp_vsync, mi2s, pcm, ps_hold, sdc1, sdc2, sdc5, tsif1, tsif2, usb_fs1, - usb_fs1_oe_n, usb_fs2, usb_fs2_oe_n, vfe, vsens_alarm, + usb_fs1_oe_n, usb_fs2, usb_fs2_oe_n, vfe, vsens_alarm, ebi2, ebi2cs Example: diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.txt index e4d6a9d20f7d..453bd7c76d6b 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.txt @@ -49,6 +49,9 @@ Valid values for pins are: sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd, sdc2_data Supports bias and drive-strength + hsic_data, hsic_strobe + Supports only mux + Valid values for function are: cci_i2c0, cci_i2c1, uim1, uim2, uim_batt_alarm, blsp_uim1, blsp_uart1, blsp_i2c1, blsp_spi1, @@ -70,7 +73,7 @@ Valid values for function are: cam_mckl0, cam_mclk1, cam_mclk2, cam_mclk3, mdp_vsync, hdmi_cec, hdmi_ddc, hdmi_hpd, edp_hpd, gp_pdm0, gp_pdm1, gp_pdm2, gp_pdm3, gp0_clk, gp1_clk, gp_mn, tsif1, tsif2, hsic, grfc, audio_ref_clk, qua_mi2s, pri_mi2s, spkr_mi2s, - ter_mi2s, sec_mi2s, bt, fm, wlan, slimbus, gpio + ter_mi2s, sec_mi2s, bt, fm, wlan, slimbus, hsic_ctl, gpio (Note that this is not yet the complete list of functions) diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8994-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8994-pinctrl.txt new file mode 100644 index 000000000000..13cd629f896e --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8994-pinctrl.txt @@ -0,0 +1,177 @@ +Qualcomm MSM8994 TLMM block + +This binding describes the Top Level Mode Multiplexer block found in the +MSM8994 platform. + +- compatible: + Usage: required + Value type: <string> + Definition: Should contain one of: + "qcom,msm8992-pinctrl", + "qcom,msm8994-pinctrl". + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: the base address and size of the TLMM register space. + +- interrupts: + Usage: required + Value type: <prop-encoded-array> + Definition: should specify the TLMM summary IRQ. + +- interrupt-controller: + Usage: required + Value type: <none> + Definition: identifies this node as an interrupt controller + +- #interrupt-cells: + Usage: required + Value type: <u32> + Definition: must be 2. Specifying the pin number and flags, as defined + in <dt-bindings/interrupt-controller/irq.h> + +- gpio-controller: + Usage: required + Value type: <none> + Definition: identifies this node as a gpio controller + +- #gpio-cells: + Usage: required + Value type: <u32> + Definition: must be 2. Specifying the pin number and flags, as defined + in <dt-bindings/gpio/gpio.h> + +Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for +a general description of GPIO and interrupt bindings. + +Please refer to pinctrl-bindings.txt in this directory for details of the +common pinctrl bindings used by client devices, including the meaning of the +phrase "pin configuration node". + +The pin configuration nodes act as a container for an arbitrary number of +subnodes. Each of these subnodes represents some desired configuration for a +pin, a group, or a list of pins or groups. This configuration can include the +mux function to select on those pin(s)/group(s), and various pin configuration +parameters, such as pull-up, drive strength, etc. + + +PIN CONFIGURATION NODES: + +The name of each subnode is not important; all subnodes should be enumerated +and processed purely based on their content. + +Each subnode only affects those parameters that are explicitly listed. In +other words, a subnode that lists a mux function but no pin configuration +parameters implies no information about any pin configuration parameters. +Similarly, a pin subnode that describes a pullup parameter implies no +information about e.g. the mux function. + + +The following generic properties as defined in pinctrl-bindings.txt are valid +to specify in a pin configuration subnode: + +- pins: + Usage: required + Value type: <string-array> + Definition: List of gpio pins affected by the properties specified in + this subnode. + + Valid pins are: + gpio0-gpio145 + Supports mux, bias and drive-strength + + sdc1_clk, sdc1_cmd, sdc1_data sdc1_rclk, sdc2_clk, + sdc2_cmd, sdc2_data + Supports bias and drive-strength + +- function: + Usage: required + Value type: <string> + Definition: Specify the alternative function to be configured for the + specified pins. Functions are only valid for gpio pins. + Valid values are: + + audio_ref_clk, blsp_i2c1, blsp_i2c2, blsp_i2c3, blsp_i2c4, blsp_i2c5, + blsp_i2c6, blsp_i2c7, blsp_i2c8, blsp_i2c9, blsp_i2c10, blsp_i2c11, + blsp_i2c12, blsp_spi1, blsp_spi1_cs1, blsp_spi1_cs2, blsp_spi1_cs3, + blsp_spi2, blsp_spi2_cs1, blsp_spi2_cs2, blsp_spi2_cs3, blsp_spi3, + blsp_spi4, blsp_spi5, blsp_spi6, blsp_spi7, blsp_spi8, blsp_spi9, + blsp_spi10, blsp_spi10_cs1, blsp_spi10_cs2, blsp_spi10_cs3, blsp_spi11, + blsp_spi12, blsp_uart1, blsp_uart2, blsp_uart3, blsp_uart4, blsp_uart5, + blsp_uart6, blsp_uart7, blsp_uart8, blsp_uart9, blsp_uart10, blsp_uart11, + blsp_uart12, blsp_uim1, blsp_uim2, blsp_uim3, blsp_uim4, blsp_uim5, + blsp_uim6, blsp_uim7, blsp_uim8, blsp_uim9, blsp_uim10, blsp_uim11, + blsp_uim12, blsp11_i2c_scl_b, blsp11_i2c_sda_b, blsp11_uart_rx_b, + blsp11_uart_tx_b, cam_mclk0, cam_mclk1, cam_mclk2, cam_mclk3, + cci_async_in0, cci_async_in1, cci_async_in2, cci_i2c0, cci_i2c1, + cci_timer0, cci_timer1, cci_timer2, cci_timer3, cci_timer4, + gcc_gp1_clk_a, gcc_gp1_clk_b, gcc_gp2_clk_a, gcc_gp2_clk_b, gcc_gp3_clk_a, + gcc_gp3_clk_b, gp_mn, gp_pdm0, gp_pdm1, gp_pdm2, gp0_clk, + gp1_clk, gps_tx, gsm_tx, hdmi_cec, hdmi_ddc, hdmi_hpd, hdmi_rcv, + mdp_vsync, mss_lte, nav_pps, nav_tsync, qdss_cti_trig_in_a, + qdss_cti_trig_in_b, qdss_cti_trig_in_c, qdss_cti_trig_in_d, + qdss_cti_trig_out_a, qdss_cti_trig_out_b, qdss_cti_trig_out_c, + qdss_cti_trig_out_d, qdss_traceclk_a, qdss_traceclk_b, qdss_tracectl_a, + qdss_tracectl_b, qdss_tracedata_a, qdss_tracedata_b, qua_mi2s, pci_e0, + pci_e1, pri_mi2s, sdc4, sec_mi2s, slimbus, spkr_i2s, ter_mi2s, tsif1, + tsif2, uim_batt_alarm, uim1, uim2, uim3, uim4, gpio + +- bias-disable: + Usage: optional + Value type: <none> + Definition: The specified pins should be configued as no pull. + +- bias-pull-down: + Usage: optional + Value type: <none> + Definition: The specified pins should be configued as pull down. + +- bias-pull-up: + Usage: optional + Value type: <none> + Definition: The specified pins should be configued as pull up. + +- output-high: + Usage: optional + Value type: <none> + Definition: The specified pins are configured in output mode, driven + high. + Not valid for sdc pins. + +- output-low: + Usage: optional + Value type: <none> + Definition: The specified pins are configured in output mode, driven + low. + Not valid for sdc pins. + +- drive-strength: + Usage: optional + Value type: <u32> + Definition: Selects the drive strength for the specified pins, in mA. + Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16 + +Example: + + msmgpio: pinctrl@fd510000 { + compatible = "qcom,msm8994-pinctrl"; + reg = <0xfd510000 0x4000>; + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + + blsp1_uart2_default: blsp1_uart2_default { + pinmux { + pins = "gpio4", "gpio5"; + function = "blsp_uart2"; + }; + pinconf { + pins = "gpio4", "gpio5"; + drive-strength = <16>; + bias-disable; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt index a90c812ad642..8d893a874634 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt +++ b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt @@ -17,6 +17,9 @@ PMIC's from Qualcomm. "qcom,pm8994-gpio" "qcom,pma8084-gpio" + And must contain either "qcom,spmi-gpio" or "qcom,ssbi-gpio" + if the device is on an spmi bus or an ssbi bus respectively + - reg: Usage: required Value type: <prop-encoded-array> @@ -122,7 +125,7 @@ to specify in a pin configuration subnode: 2: 1.5uA (PMIC_GPIO_PULL_UP_1P5) 3: 31.5uA (PMIC_GPIO_PULL_UP_31P5) 4: 1.5uA + 30uA boost (PMIC_GPIO_PULL_UP_1P5_30) - If this property is ommited 30uA strength will be used if + If this property is omitted 30uA strength will be used if pull up is selected - bias-high-impedance: @@ -183,7 +186,7 @@ to specify in a pin configuration subnode: Example: pm8921_gpio: gpio@150 { - compatible = "qcom,pm8921-gpio"; + compatible = "qcom,pm8921-gpio", "qcom,ssbi-gpio"; reg = <0x150 0x160>; interrupts = <192 1>, <193 1>, <194 1>, <195 1>, <196 1>, <197 1>, diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt index d74e631e10da..2ab95bc26066 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt +++ b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt @@ -9,6 +9,7 @@ of PMIC's from Qualcomm. Definition: Should contain one of: "qcom,pm8018-mpp", "qcom,pm8038-mpp", + "qcom,pm8058-mpp", "qcom,pm8821-mpp", "qcom,pm8841-mpp", "qcom,pm8916-mpp", @@ -18,6 +19,9 @@ of PMIC's from Qualcomm. "qcom,pm8994-mpp", "qcom,pma8084-mpp", + And must contain either "qcom,spmi-mpp" or "qcom,ssbi-mpp" + if the device is on an spmi bus or an ssbi bus respectively. + - reg: Usage: required Value type: <prop-encoded-array> @@ -157,7 +161,7 @@ to specify in a pin configuration subnode: Example: mpps@a000 { - compatible = "qcom,pm8841-mpp"; + compatible = "qcom,pm8841-mpp", "qcom,spmi-mpp"; reg = <0xa000>; gpio-controller; #gpio-cells = <2>; diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,pfc-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/renesas,pfc-pinctrl.txt index ffadb7a371f6..645082f03259 100644 --- a/Documentation/devicetree/bindings/pinctrl/renesas,pfc-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/renesas,pfc-pinctrl.txt @@ -13,13 +13,17 @@ Required Properties: - "renesas,pfc-emev2": for EMEV2 (EMMA Mobile EV2) compatible pin-controller. - "renesas,pfc-r8a73a4": for R8A73A4 (R-Mobile APE6) compatible pin-controller. - "renesas,pfc-r8a7740": for R8A7740 (R-Mobile A1) compatible pin-controller. + - "renesas,pfc-r8a7743": for R8A7743 (RZ/G1M) compatible pin-controller. + - "renesas,pfc-r8a7745": for R8A7745 (RZ/G1E) compatible pin-controller. - "renesas,pfc-r8a7778": for R8A7778 (R-Mobile M1) compatible pin-controller. - "renesas,pfc-r8a7779": for R8A7779 (R-Car H1) compatible pin-controller. - "renesas,pfc-r8a7790": for R8A7790 (R-Car H2) compatible pin-controller. - "renesas,pfc-r8a7791": for R8A7791 (R-Car M2-W) compatible pin-controller. + - "renesas,pfc-r8a7792": for R8A7792 (R-Car V2H) compatible pin-controller. - "renesas,pfc-r8a7793": for R8A7793 (R-Car M2-N) compatible pin-controller. - "renesas,pfc-r8a7794": for R8A7794 (R-Car E2) compatible pin-controller. - "renesas,pfc-r8a7795": for R8A7795 (R-Car H3) compatible pin-controller. + - "renesas,pfc-r8a7796": for R8A7796 (R-Car M3-W) compatible pin-controller. - "renesas,pfc-sh73a0": for SH73A0 (SH-Mobile AG5) compatible pin-controller. - reg: Base address and length of each memory resource used by the pin @@ -72,8 +76,8 @@ Pin Configuration Node Properties: The pin configuration parameters use the generic pinconf bindings defined in pinctrl-bindings.txt in this directory. The supported parameters are -bias-disable, bias-pull-up, bias-pull-down and power-source. For pins that -have a configurable I/O voltage, the power-source value should be the +bias-disable, bias-pull-up, bias-pull-down, drive-strength and power-source. For +pins that have a configurable I/O voltage, the power-source value should be the nominal I/O voltage in millivolts. diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rza1-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/renesas,rza1-pinctrl.txt new file mode 100644 index 000000000000..43e21474528a --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rza1-pinctrl.txt @@ -0,0 +1,221 @@ +Renesas RZ/A1 combined Pin and GPIO controller + +The Renesas SoCs of the RZ/A1 family feature a combined Pin and GPIO controller, +named "Ports" in the hardware reference manual. +Pin multiplexing and GPIO configuration is performed on a per-pin basis +writing configuration values to per-port register sets. +Each "port" features up to 16 pins, each of them configurable for GPIO +function (port mode) or in alternate function mode. +Up to 8 different alternate function modes exist for each single pin. + +Pin controller node +------------------- + +Required properties: + - compatible + this shall be "renesas,r7s72100-ports". + + - reg + address base and length of the memory area where the pin controller + hardware is mapped to. + +Example: +Pin controller node for RZ/A1H SoC (r7s72100) + +pinctrl: pin-controller@fcfe3000 { + compatible = "renesas,r7s72100-ports"; + + reg = <0xfcfe3000 0x4230>; +}; + +Sub-nodes +--------- + +The child nodes of the pin controller node describe a pin multiplexing +function or a GPIO controller alternatively. + +- Pin multiplexing sub-nodes: + A pin multiplexing sub-node describes how to configure a set of + (or a single) pin in some desired alternate function mode. + A single sub-node may define several pin configurations. + A few alternate function require special pin configuration flags to be + supplied along with the alternate function configuration number. + The hardware reference manual specifies when a pin function requires + "software IO driven" mode to be specified. To do so use the generic + properties from the <include/linux/pinctrl/pinconf_generic.h> header file + to instruct the pin controller to perform the desired pin configuration + operation. + Please refer to pinctrl-bindings.txt to get to know more on generic + pin properties usage. + + The allowed generic formats for a pin multiplexing sub-node are the + following ones: + + node-1 { + pinmux = <PIN_ID_AND_MUX>, <PIN_ID_AND_MUX>, ... ; + GENERIC_PINCONFIG; + }; + + node-2 { + sub-node-1 { + pinmux = <PIN_ID_AND_MUX>, <PIN_ID_AND_MUX>, ... ; + GENERIC_PINCONFIG; + }; + + sub-node-2 { + pinmux = <PIN_ID_AND_MUX>, <PIN_ID_AND_MUX>, ... ; + GENERIC_PINCONFIG; + }; + + ... + + sub-node-n { + pinmux = <PIN_ID_AND_MUX>, <PIN_ID_AND_MUX>, ... ; + GENERIC_PINCONFIG; + }; + }; + + Use the second format when pins part of the same logical group need to have + different generic pin configuration flags applied. + + Client sub-nodes shall refer to pin multiplexing sub-nodes using the phandle + of the most external one. + + Eg. + + client-1 { + ... + pinctrl-0 = <&node-1>; + ... + }; + + client-2 { + ... + pinctrl-0 = <&node-2>; + ... + }; + + Required properties: + - pinmux: + integer array representing pin number and pin multiplexing configuration. + When a pin has to be configured in alternate function mode, use this + property to identify the pin by its global index, and provide its + alternate function configuration number along with it. + When multiple pins are required to be configured as part of the same + alternate function they shall be specified as members of the same + argument list of a single "pinmux" property. + Helper macros to ease assembling the pin index from its position + (port where it sits on and pin number) and alternate function identifier + are provided by the pin controller header file at: + <include/dt-bindings/pinctrl/r7s72100-pinctrl.h> + Integers values in "pinmux" argument list are assembled as: + ((PORT * 16 + PIN) | MUX_FUNC << 16) + + Optional generic properties: + - input-enable: + enable input bufer for pins requiring software driven IO input + operations. + - output-high: + enable output buffer for pins requiring software driven IO output + operations. output-low can be used alternatively, as line value is + ignored by the driver. + + The hardware reference manual specifies when a pin has to be configured to + work in bi-directional mode and when the IO direction has to be specified + by software. Bi-directional pins are managed by the pin controller driver + internally, while software driven IO direction has to be explicitly + selected when multiple options are available. + + Example: + A serial communication interface with a TX output pin and an RX input pin. + + &pinctrl { + scif2_pins: serial2 { + pinmux = <RZA1_PINMUX(3, 0, 6)>, <RZA1_PINMUX(3, 2, 4)>; + }; + }; + + Pin #0 on port #3 is configured as alternate function #6. + Pin #2 on port #3 is configured as alternate function #4. + + Example 2: + I2c master: both SDA and SCL pins need bi-directional operations + + &pinctrl { + i2c2_pins: i2c2 { + pinmux = <RZA1_PINMUX(1, 4, 1)>, <RZA1_PINMUX(1, 5, 1)>; + }; + }; + + Pin #4 on port #1 is configured as alternate function #1. + Pin #5 on port #1 is configured as alternate function #1. + Both need to work in bi-directional mode, the driver manages this internally. + + Example 3: + Multi-function timer input and output compare pins. + Configure TIOC0A as software driven input and TIOC0B as software driven + output. + + &pinctrl { + tioc0_pins: tioc0 { + tioc0_input_pins { + pinumx = <RZA1_PINMUX(4, 0, 2)>; + input-enable; + }; + + tioc0_output_pins { + pinmux = <RZA1_PINMUX(4, 1, 1)>; + output-enable; + }; + }; + }; + + &tioc0 { + ... + pinctrl-0 = <&tioc0_pins>; + ... + }; + + Pin #0 on port #4 is configured as alternate function #2 with IO direction + specified by software as input. + Pin #1 on port #4 is configured as alternate function #1 with IO direction + specified by software as output. + +- GPIO controller sub-nodes: + Each port of the r7s72100 pin controller hardware is itself a GPIO controller. + Different SoCs have different numbers of available pins per port, but + generally speaking, each of them can be configured in GPIO ("port") mode + on this hardware. + Describe GPIO controllers using sub-nodes with the following properties. + + Required properties: + - gpio-controller + empty property as defined by the GPIO bindings documentation. + - #gpio-cells + number of cells required to identify and configure a GPIO. + Shall be 2. + - gpio-ranges + Describes a GPIO controller specifying its specific pin base, the pin + base in the global pin numbering space, and the number of controlled + pins, as defined by the GPIO bindings documentation. Refer to + Documentation/devicetree/bindings/gpio/gpio.txt file for a more detailed + description. + + Example: + A GPIO controller node, controlling 16 pins indexed from 0. + The GPIO controller base in the global pin indexing space is pin 48, thus + pins [0 - 15] on this controller map to pins [48 - 63] in the global pin + indexing space. + + port3: gpio-3 { + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl 0 48 16>; + }; + + A device node willing to use pins controlled by this GPIO controller, shall + refer to it as follows: + + led1 { + gpios = <&port3 10 GPIO_ACTIVE_LOW>; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt index 0cd701b1947f..ee01ab58224d 100644 --- a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt @@ -19,10 +19,18 @@ The pins are grouped into up to 5 individual pin banks which need to be defined as gpio sub-nodes of the pinmux controller. Required properties for iomux controller: - - compatible: one of "rockchip,rk2928-pinctrl", "rockchip,rk3066a-pinctrl" - "rockchip,rk3066b-pinctrl", "rockchip,rk3188-pinctrl" - "rockchip,rk3228-pinctrl", "rockchip,rk3288-pinctrl" - "rockchip,rk3368-pinctrl" + - compatible: should be + "rockchip,rv1108-pinctrl": for Rockchip RV1108 + "rockchip,rk2928-pinctrl": for Rockchip RK2928 + "rockchip,rk3066a-pinctrl": for Rockchip RK3066a + "rockchip,rk3066b-pinctrl": for Rockchip RK3066b + "rockchip,rk3188-pinctrl": for Rockchip RK3188 + "rockchip,rk3228-pinctrl": for Rockchip RK3228 + "rockchip,rk3288-pinctrl": for Rockchip RK3288 + "rockchip,rk3328-pinctrl": for Rockchip RK3328 + "rockchip,rk3368-pinctrl": for Rockchip RK3368 + "rockchip,rk3399-pinctrl": for Rockchip RK3399 + - rockchip,grf: phandle referencing a syscon providing the "general register files" diff --git a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt index 6db16b90873a..5e00a21de2bf 100644 --- a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt @@ -13,17 +13,37 @@ Required Properties: - "samsung,s3c2450-pinctrl": for S3C2450-compatible pin-controller, - "samsung,s3c64xx-pinctrl": for S3C64xx-compatible pin-controller, - "samsung,s5pv210-pinctrl": for S5PV210-compatible pin-controller, + - "samsung,exynos3250-pinctrl": for Exynos3250 compatible pin-controller. - "samsung,exynos4210-pinctrl": for Exynos4210 compatible pin-controller. - "samsung,exynos4x12-pinctrl": for Exynos4x12 compatible pin-controller. - "samsung,exynos5250-pinctrl": for Exynos5250 compatible pin-controller. - "samsung,exynos5260-pinctrl": for Exynos5260 compatible pin-controller. - "samsung,exynos5410-pinctrl": for Exynos5410 compatible pin-controller. - "samsung,exynos5420-pinctrl": for Exynos5420 compatible pin-controller. + - "samsung,exynos5433-pinctrl": for Exynos5433 compatible pin-controller. - "samsung,exynos7-pinctrl": for Exynos7 compatible pin-controller. - reg: Base address of the pin controller hardware module and length of the address space it occupies. + - reg: Second base address of the pin controller if the specific registers + of the pin controller are separated into the different base address. + + Eg: GPF[1-5] of Exynos5433 are separated into the two base address. + - First base address is for GPAx and GPF[1-5] external interrupt + registers. + - Second base address is for GPF[1-5] pinctrl registers. + + pinctrl_0: pinctrl@10580000 { + compatible = "samsung,exynos5433-pinctrl"; + reg = <0x10580000 0x1a20>, <0x11090000 0x100>; + + wakeup-interrupt-controller { + compatible = "samsung,exynos7-wakeup-eint"; + interrupts = <0 16 0>; + }; + }; + - Pin banks as child nodes: Pin banks of the controller are represented by child nodes of the controller node. Bank name is taken from name of the node. Each bank node must contain following properties: @@ -229,6 +249,8 @@ Example: A pin-controller node with pin banks: Example 1: A pin-controller node with pin groups. + #include <dt-bindings/pinctrl/samsung.h> + pinctrl_0: pinctrl@11400000 { compatible = "samsung,exynos4210-pinctrl"; reg = <0x11400000 0x1000>; @@ -238,53 +260,53 @@ Example 1: A pin-controller node with pin groups. uart0_data: uart0-data { samsung,pins = "gpa0-0", "gpa0-1"; - samsung,pin-function = <2>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; }; uart0_fctl: uart0-fctl { samsung,pins = "gpa0-2", "gpa0-3"; - samsung,pin-function = <2>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; }; uart1_data: uart1-data { samsung,pins = "gpa0-4", "gpa0-5"; - samsung,pin-function = <2>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; }; uart1_fctl: uart1-fctl { samsung,pins = "gpa0-6", "gpa0-7"; - samsung,pin-function = <2>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; + samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; }; i2c2_bus: i2c2-bus { samsung,pins = "gpa0-6", "gpa0-7"; - samsung,pin-function = <3>; - samsung,pin-pud = <3>; - samsung,pin-drv = <0>; + samsung,pin-function = <EXYNOS_PIN_FUNC_3>; + samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; }; sd4_bus8: sd4-bus-width8 { part-1 { samsung,pins = "gpk0-3", "gpk0-4", "gpk0-5", "gpk0-6"; - samsung,pin-function = <3>; - samsung,pin-pud = <3>; - samsung,pin-drv = <3>; + samsung,pin-function = <EXYNOS_PIN_FUNC_3>; + samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV4>; }; part-2 { samsung,pins = "gpk1-3", "gpk1-4", "gpk1-5", "gpk1-6"; - samsung,pin-function = <4>; - samsung,pin-pud = <4>; - samsung,pin-drv = <3>; + samsung,pin-function = <EXYNOS_PIN_FUNC_4>; + samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV4>; }; }; }; diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt new file mode 100644 index 000000000000..d907a74f8dc0 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt @@ -0,0 +1,184 @@ +* STM32 GPIO and Pin Mux/Config controller + +STMicroelectronics's STM32 MCUs intregrate a GPIO and Pin mux/config hardware +controller. It controls the input/output settings on the available pins and +also provides ability to multiplex and configure the output of various on-chip +controllers onto these pads. + +Pin controller node: +Required properies: + - compatible: value should be one of the following: + "st,stm32f429-pinctrl" + "st,stm32f469-pinctrl" + "st,stm32f746-pinctrl" + "st,stm32h743-pinctrl" + - #address-cells: The value of this property must be 1 + - #size-cells : The value of this property must be 1 + - ranges : defines mapping between pin controller node (parent) to + gpio-bank node (children). + - pins-are-numbered: Specify the subnodes are using numbered pinmux to + specify pins. + +GPIO controller/bank node: +Required properties: + - gpio-controller : Indicates this device is a GPIO controller + - #gpio-cells : Should be two. + The first cell is the pin number + The second one is the polarity: + - 0 for active high + - 1 for active low + - reg : The gpio address range, relative to the pinctrl range + - clocks : clock that drives this bank + - st,bank-name : Should be a name string for this bank as specified in + the datasheet + +Optional properties: + - reset: : Reference to the reset controller + - interrupt-parent: phandle of the interrupt parent to which the external + GPIO interrupts are forwarded to. + - st,syscfg: Should be phandle/offset pair. The phandle to the syscon node + which includes IRQ mux selection register, and the offset of the IRQ mux + selection register. + - gpio-ranges: Define a dedicated mapping between a pin-controller and + a gpio controller. Format is <&phandle a b c> with: + -(phandle): phandle of pin-controller. + -(a): gpio base offset in range. + -(b): pin base offset in range. + -(c): gpio count in range + This entry has to be used either if there are holes inside a bank: + GPIOB0/B1/B2/B14/B15 (see example 2) + or if banks are not contiguous: + GPIOA/B/C/E... + NOTE: If "gpio-ranges" is used for a gpio controller, all gpio-controller + have to use a "gpio-ranges" entry. + More details in Documentation/devicetree/bindings/gpio/gpio.txt. + +Example 1: +#include <dt-bindings/pinctrl/stm32f429-pinfunc.h> +... + + pin-controller { + #address-cells = <1>; + #size-cells = <1>; + compatible = "st,stm32f429-pinctrl"; + ranges = <0 0x40020000 0x3000>; + pins-are-numbered; + + gpioa: gpio@40020000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x0 0x400>; + resets = <&reset_ahb1 0>; + st,bank-name = "GPIOA"; + }; + ... + pin-functions nodes follow... + }; + +Example 2: +#include <dt-bindings/pinctrl/stm32f429-pinfunc.h> +... + + pinctrl: pin-controller { + #address-cells = <1>; + #size-cells = <1>; + compatible = "st,stm32f429-pinctrl"; + ranges = <0 0x40020000 0x3000>; + pins-are-numbered; + + gpioa: gpio@40020000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x0 0x400>; + resets = <&reset_ahb1 0>; + st,bank-name = "GPIOA"; + gpio-ranges = <&pinctrl 0 0 16>; + }; + + gpiob: gpio@40020400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x0 0x400>; + resets = <&reset_ahb1 0>; + st,bank-name = "GPIOB"; + ngpios = 4; + gpio-ranges = <&pinctrl 0 16 3>, + <&pinctrl 14 30 2>; + }; + + + ... + pin-functions nodes follow... + }; + + +Contents of function subnode node: +---------------------------------- +Subnode format +A pinctrl node should contain at least one subnode representing the +pinctrl group available on the machine. Each subnode will list the +pins it needs, and how they should be configured, with regard to muxer +configuration, pullups, drive, output high/low and output speed. + + node { + pinmux = <PIN_NUMBER_PINMUX>; + GENERIC_PINCONFIG; + }; + +Required properties: +- pinmux: integer array, represents gpio pin number and mux setting. + Supported pin number and mux varies for different SoCs, and are defined in + dt-bindings/pinctrl/<soc>-pinfunc.h directly. + These defines are calculated as: + ((port * 16 + line) << 8) | function + With: + - port: The gpio port index (PA = 0, PB = 1, ..., PK = 11) + - line: The line offset within the port (PA0 = 0, PA1 = 1, ..., PA15 = 15) + - function: The function number, can be: + * 0 : GPIO + * 1 : Alternate Function 0 + * 2 : Alternate Function 1 + * 3 : Alternate Function 2 + * ... + * 16 : Alternate Function 15 + * 17 : Analog + +Optional properties: +- GENERIC_PINCONFIG: is the generic pinconfig options to use. + Available options are: + - bias-disable, + - bias-pull-down, + - bias-pull-up, + - drive-push-pull, + - drive-open-drain, + - output-low + - output-high + - slew-rate = <x>, with x being: + < 0 > : Low speed + < 1 > : Medium speed + < 2 > : Fast speed + < 3 > : High speed + +Example: + +pin-controller { +... + usart1_pins_a: usart1@0 { + pins1 { + pinmux = <STM32F429_PA9_FUNC_USART1_TX>; + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32F429_PA10_FUNC_USART1_RX>; + bias-disable; + }; + }; +}; + +&usart1 { + pinctrl-0 = <&usart1_pins_a>; + pinctrl-names = "default"; + status = "okay"; +}; diff --git a/Documentation/devicetree/bindings/pinctrl/ti,da850-pupd.txt b/Documentation/devicetree/bindings/pinctrl/ti,da850-pupd.txt new file mode 100644 index 000000000000..7f2980567c9f --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/ti,da850-pupd.txt @@ -0,0 +1,55 @@ +* Pin configuration for TI DA850/OMAP-L138/AM18x + +These SoCs have a separate controller for setting bias (internal pullup/down). +Bias can only be selected for groups rather than individual pins. + +Required Properties: + + - compatible: Must be "ti,da850-pupd" + - reg: Base address and length of the memory resource used by the pullup/down + controller hardware module. + +The controller node also acts as a container for pin group configuration nodes. +The names of these groups are ignored. + +Pin Group Node Properties: + +- groups: An array of strings, each string containing the name of a pin group. + Valid names are "cp0".."cp31". + +The pin configuration parameters use the generic pinconf bindings defined in +pinctrl-bindings.txt in this directory. The supported parameters are +bias-disable, bias-pull-up, bias-pull-down. + + +Example +------- + +In common dtsi file: + + pinconf: pin-controller@22c00c { + compatible = "ti,da850-pupd"; + reg = <0x22c00c 0x8>; + }; + +In board-specific file: + + &pinconf { + pinctrl-0 = <&pinconf_bias_groups>; + pinctrl-names = "default"; + + pinconf_bias_groups: bias-groups { + pull-up { + groups = "cp30", "cp31"; + bias-pull-up; + }; + pull-down { + groups = "cp29", "cp28"; + bias-pull-down; + }; + disable { + groups = "cp27", "cp26"; + bias-disable; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/ti,iodelay.txt b/Documentation/devicetree/bindings/pinctrl/ti,iodelay.txt new file mode 100644 index 000000000000..c3ed1232b6a3 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/ti,iodelay.txt @@ -0,0 +1,47 @@ +* Pin configuration for TI IODELAY controller + +TI dra7 based SoCs such as am57xx have a controller for setting the IO delay +for each pin. For most part the IO delay values are programmed by the bootloader, +but some pins need to be configured dynamically by the kernel such as the +MMC pins. + +Required Properties: + + - compatible: Must be "ti,dra7-iodelay" + - reg: Base address and length of the memory resource used + - #address-cells: Number of address cells + - #size-cells: Size of cells + - #pinctrl-cells: Number of pinctrl cells, must be 2. See also + Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +Example +------- + +In the SoC specific dtsi file: + + dra7_iodelay_core: padconf@4844a000 { + compatible = "ti,dra7-iodelay"; + reg = <0x4844a000 0x0d1c>; + #address-cells = <1>; + #size-cells = <0>; + #pinctrl-cells = <2>; + }; + +In board-specific file: + +&dra7_iodelay_core { + mmc2_iodelay_3v3_conf: mmc2_iodelay_3v3_conf { + pinctrl-pin-array = < + 0x18c A_DELAY_PS(0) G_DELAY_PS(120) /* CFG_GPMC_A19_IN */ + 0x1a4 A_DELAY_PS(265) G_DELAY_PS(360) /* CFG_GPMC_A20_IN */ + 0x1b0 A_DELAY_PS(0) G_DELAY_PS(120) /* CFG_GPMC_A21_IN */ + 0x1bc A_DELAY_PS(0) G_DELAY_PS(120) /* CFG_GPMC_A22_IN */ + 0x1c8 A_DELAY_PS(287) G_DELAY_PS(420) /* CFG_GPMC_A23_IN */ + 0x1d4 A_DELAY_PS(144) G_DELAY_PS(240) /* CFG_GPMC_A24_IN */ + 0x1e0 A_DELAY_PS(0) G_DELAY_PS(0) /* CFG_GPMC_A25_IN */ + 0x1ec A_DELAY_PS(120) G_DELAY_PS(0) /* CFG_GPMC_A26_IN */ + 0x1f8 A_DELAY_PS(120) G_DELAY_PS(180) /* CFG_GPMC_A27_IN */ + 0x360 A_DELAY_PS(0) G_DELAY_PS(0) /* CFG_GPMC_CS1_IN */ + >; + }; +}; |