diff options
Diffstat (limited to 'Documentation/devicetree/bindings/regulator')
26 files changed, 1229 insertions, 43 deletions
diff --git a/Documentation/devicetree/bindings/regulator/act8945a-regulator.txt b/Documentation/devicetree/bindings/regulator/act8945a-regulator.txt new file mode 100644 index 000000000000..5c80a7779552 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/act8945a-regulator.txt @@ -0,0 +1,80 @@ +Device-Tree bindings for regulators of Active-semi ACT8945A Multi-Function Device + +Required properties: + - compatible: "active-semi,act8945a", please refer to ../mfd/act8945a.txt. + +Optional properties: +- active-semi,vsel-high: Indicates if the VSEL pin is set to logic-high. + If this property is missing, assume the VSEL pin is set to logic-low. + +Optional input supply properties: + - vp1-supply: The input supply for REG_DCDC1 + - vp2-supply: The input supply for REG_DCDC2 + - vp3-supply: The input supply for REG_DCDC3 + - inl45-supply: The input supply for REG_LDO1 and REG_LDO2 + - inl67-supply: The input supply for REG_LDO3 and REG_LDO4 + +Any standard regulator properties can be used to configure the single regulator. + +The valid names for regulators are: + REG_DCDC1, REG_DCDC2, REG_DCDC3, REG_LDO1, REG_LDO2, REG_LDO3, REG_LDO4. + +Example: + pmic@5b { + compatible = "active-semi,act8945a"; + reg = <0x5b>; + status = "okay"; + + active-semi,vsel-high; + + regulators { + vdd_1v35_reg: REG_DCDC1 { + regulator-name = "VDD_1V35"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + }; + + vdd_1v2_reg: REG_DCDC2 { + regulator-name = "VDD_1V2"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + }; + + vdd_3v3_reg: REG_DCDC3 { + regulator-name = "VDD_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vdd_fuse_reg: REG_LDO1 { + regulator-name = "VDD_FUSE"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2500000>; + regulator-always-on; + }; + + vdd_3v3_lp_reg: REG_LDO2 { + regulator-name = "VDD_3V3_LP"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vdd_led_reg: REG_LDO3 { + regulator-name = "VDD_LED"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vdd_sdhc_1v8_reg: REG_LDO4 { + regulator-name = "VDD_SDHC_1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt index 37c4ea076f88..a3106c72fbea 100644 --- a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt @@ -2,6 +2,7 @@ Anatop Voltage regulators Required properties: - compatible: Must be "fsl,anatop-regulator" +- regulator-name: A string used as a descriptive name for regulator outputs - anatop-reg-offset: Anatop MFD register offset - anatop-vol-bit-shift: Bit shift for the register - anatop-vol-bit-width: Number of bits used in the register @@ -14,6 +15,7 @@ Optional properties: - anatop-delay-bit-shift: Bit shift for the step time register - anatop-delay-bit-width: Number of bits used in the step time register - vin-supply: The supply for this regulator +- anatop-enable-bit: Regulator enable bit offset Any property defined as part of the core regulator binding, defined in regulator.txt, can also be used. diff --git a/Documentation/devicetree/bindings/regulator/cpcap-regulator.txt b/Documentation/devicetree/bindings/regulator/cpcap-regulator.txt new file mode 100644 index 000000000000..675f4437ce92 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/cpcap-regulator.txt @@ -0,0 +1,34 @@ +Motorola CPCAP PMIC voltage regulators +------------------------------------ + +Requires node properties: +- "compatible" value one of: + "motorola,cpcap-regulator" + "motorola,mapphone-cpcap-regulator" + +Required regulator properties: +- "regulator-name" +- "regulator-enable-ramp-delay" +- "regulator-min-microvolt" +- "regulator-max-microvolt" + +Optional regulator properties: +- "regulator-boot-on" + +See Documentation/devicetree/bindings/regulator/regulator.txt +for more details about the regulator properties. + +Example: + +cpcap_regulator: regulator { + compatible = "motorola,cpcap-regulator"; + + cpcap_regulators: regulators { + sw5: SW5 { + regulator-min-microvolt = <5050000>; + regulator-max-microvolt = <5050000>; + regulator-enable-ramp-delay = <50000>; + regulator-boot-on; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/regulator/da9210.txt b/Documentation/devicetree/bindings/regulator/da9210.txt index 7aa9b1fa6b21..58065ca9e3b4 100644 --- a/Documentation/devicetree/bindings/regulator/da9210.txt +++ b/Documentation/devicetree/bindings/regulator/da9210.txt @@ -1,4 +1,4 @@ -* Dialog Semiconductor DA9210 Voltage Regulator +* Dialog Semiconductor DA9210 Multi-phase 12A DCDC BUCK Converter Required properties: @@ -18,8 +18,12 @@ Example: compatible = "dlg,da9210"; reg = <0x68>; - regulator-min-microvolt = <900000>; - regulator-max-microvolt = <1000000>; + interrupt-parent = <...>; + interrupts = <...>; + + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1570000>; + regulator-min-microamp = <1600000>; + regulator-max-microamp = <4600000>; regulator-boot-on; - regulator-always-on; }; diff --git a/Documentation/devicetree/bindings/regulator/da9211.txt b/Documentation/devicetree/bindings/regulator/da9211.txt index c620493e8dbe..0f2a6f8fcafd 100644 --- a/Documentation/devicetree/bindings/regulator/da9211.txt +++ b/Documentation/devicetree/bindings/regulator/da9211.txt @@ -1,7 +1,8 @@ -* Dialog Semiconductor DA9211/DA9213/DA9215 Voltage Regulator +* Dialog Semiconductor DA9211/DA9212/DA9213/DA9214/DA9215 Voltage Regulator Required properties: -- compatible: "dlg,da9211" or "dlg,da9213" or "dlg,da9215" +- compatible: "dlg,da9211" or "dlg,da9212" or "dlg,da9213" + or "dlg,da9214" or "dlg,da9215" - reg: I2C slave address, usually 0x68. - interrupts: the interrupt outputs of the controller - regulators: A node that houses a sub-node for each regulator within the @@ -30,6 +31,25 @@ Example 1) DA9211 regulator-max-microamp = <5000000>; enable-gpios = <&gpio 27 0>; }; + }; + }; + +Example 2) DA9212 + + pmic: da9212@68 { + compatible = "dlg,da9212"; + reg = <0x68>; + interrupts = <3 27>; + + regulators { + BUCKA { + regulator-name = "VBUCKA"; + regulator-min-microvolt = < 300000>; + regulator-max-microvolt = <1570000>; + regulator-min-microamp = <2000000>; + regulator-max-microamp = <5000000>; + enable-gpios = <&gpio 27 0>; + }; BUCKB { regulator-name = "VBUCKB"; regulator-min-microvolt = < 300000>; @@ -41,7 +61,7 @@ Example 1) DA9211 }; }; -Example 2) DA9213 +Example 3) DA9213 pmic: da9213@68 { compatible = "dlg,da9213"; reg = <0x68>; @@ -56,6 +76,24 @@ Example 2) DA9213 regulator-max-microamp = <6000000>; enable-gpios = <&gpio 27 0>; }; + }; + }; + +Example 4) DA9214 + pmic: da9214@68 { + compatible = "dlg,da9214"; + reg = <0x68>; + interrupts = <3 27>; + + regulators { + BUCKA { + regulator-name = "VBUCKA"; + regulator-min-microvolt = < 300000>; + regulator-max-microvolt = <1570000>; + regulator-min-microamp = <3000000>; + regulator-max-microamp = <6000000>; + enable-gpios = <&gpio 27 0>; + }; BUCKB { regulator-name = "VBUCKB"; regulator-min-microvolt = < 300000>; @@ -67,8 +105,7 @@ Example 2) DA9213 }; }; - -Example 3) DA9215 +Example 5) DA9215 pmic: da9215@68 { compatible = "dlg,da9215"; reg = <0x68>; diff --git a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt index e5cac1e0ca8a..dd1ed789728e 100644 --- a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt @@ -13,7 +13,7 @@ Optional properties: - startup-delay-us : Startup time in microseconds. - enable-active-high : Polarity of GPIO is active high (default is low). - regulator-type : Specifies what is being regulated, must be either - "voltage" or "current", defaults to current. + "voltage" or "current", defaults to voltage. Any property defined as part of the core regulator binding defined in regulator.txt can also be used. diff --git a/Documentation/devicetree/bindings/regulator/hisilicon,hi655x-regulator.txt b/Documentation/devicetree/bindings/regulator/hisilicon,hi655x-regulator.txt new file mode 100644 index 000000000000..14cfdc564159 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/hisilicon,hi655x-regulator.txt @@ -0,0 +1,29 @@ +Hisilicon Hi655x Voltage regulators + +Note: +The Hi655x regulator control is managed by Hi655x PMIC. +So the node of this regulator must be child node of Hi655x +PMIC node. + +The driver uses the regulator core framework, so please also +take the bindings of regulator.txt for reference. + +The valid names for regulators are: + +LDO2_2V8 LDO7_SDIO LDO10_2V85 LDO13_1V8 LDO14_2V8 +LDO15_1V8 LDO17_2V5 LDO19_3V0 LDO21_1V8 LDO22_1V2 + +Example: + pmic: pmic@f8000000 { + compatible = "hisilicon,hi655x-pmic"; + ... + regulators { + ldo2: LDO2@a21 { + regulator-name = "LDO2_2V8"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <3200000>; + regulator-enable-ramp-delay = <120>; + }; + ... + } + } diff --git a/Documentation/devicetree/bindings/regulator/lm363x-regulator.txt b/Documentation/devicetree/bindings/regulator/lm363x-regulator.txt index 8f14df9d1205..cc5a6151d85f 100644 --- a/Documentation/devicetree/bindings/regulator/lm363x-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/lm363x-regulator.txt @@ -8,8 +8,8 @@ Required property: Optional properties: LM3632 has external enable pins for two LDOs. - - ti,lcm-en1-gpio: A GPIO specifier for Vpos control pin. - - ti,lcm-en2-gpio: A GPIO specifier for Vneg control pin. + - enable-gpios: Two GPIO specifiers for Vpos and Vneg control pins. + The first entry is Vpos, the second is Vneg enable pin. Child nodes: LM3631 @@ -30,5 +30,79 @@ Child nodes: Examples: Please refer to ti-lmu dt-bindings [2]. +lm3631@29 { + compatible = "ti,lm3631"; + reg = <0x29>; + + regulators { + compatible = "ti,lm363x-regulator"; + + vboost { + regulator-name = "lcd_boost"; + regulator-min-microvolt = <4500000>; + regulator-max-microvolt = <6350000>; + regulator-always-on; + }; + + vcont { + regulator-name = "lcd_vcont"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + + voref { + regulator-name = "lcd_voref"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + }; + + vpos { + regulator-name = "lcd_vpos"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + regulator-boot-on; + }; + + vneg { + regulator-name = "lcd_vneg"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + regulator-boot-on; + }; + }; +}; + +lm3632@11 { + compatible = "ti,lm3632"; + reg = <0x11>; + + regulators { + compatible = "ti,lm363x-regulator"; + + /* GPIO1_16 for Vpos, GPIO1_28 is for Vneg */ + enable-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>, + <&gpio1 28 GPIO_ACTIVE_HIGH>; + + vboost { + regulator-name = "lcd_boost"; + regulator-min-microvolt = <4500000>; + regulator-max-microvolt = <6400000>; + regulator-always-on; + }; + + vpos { + regulator-name = "lcd_vpos"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + }; + + vneg { + regulator-name = "lcd_vneg"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + }; + }; +}; + [1] ../regulator/regulator.txt [2] ../mfd/ti-lmu.txt diff --git a/Documentation/devicetree/bindings/regulator/lp872x.txt b/Documentation/devicetree/bindings/regulator/lp872x.txt index 78183182dad9..ca58a68ffdf1 100644 --- a/Documentation/devicetree/bindings/regulator/lp872x.txt +++ b/Documentation/devicetree/bindings/regulator/lp872x.txt @@ -28,6 +28,7 @@ Optional properties: - ti,dvs-gpio: GPIO specifier for external DVS pin control of LP872x devices. - ti,dvs-vsel: DVS selector. 0 = SEL_V1, 1 = SEL_V2. - ti,dvs-state: initial DVS pin state. 0 = DVS_LOW, 1 = DVS_HIGH. + - enable-gpios: GPIO specifier for EN pin control of LP872x devices. Sub nodes for regulator_init_data LP8720 has maximum 6 nodes. (child name: ldo1 ~ 5 and buck) diff --git a/Documentation/devicetree/bindings/regulator/ltc3676.txt b/Documentation/devicetree/bindings/regulator/ltc3676.txt new file mode 100644 index 000000000000..d4eb366ce18c --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/ltc3676.txt @@ -0,0 +1,94 @@ +Linear Technology LTC3676 8-output regulators + +Required properties: +- compatible: "lltc,ltc3676" +- reg: I2C slave address + +Required child node: +- regulators: Contains eight regulator child nodes sw1, sw2, sw3, sw4, + ldo1, ldo2, ldo3, and ldo4, specifying the initialization data as + documented in Documentation/devicetree/bindings/regulator/regulator.txt. + +Each regulator is defined using the standard binding for regulators. The +nodes for sw1, sw2, sw3, sw4, ldo1, ldo2 and ldo4 additionally need to specify +the resistor values of their external feedback voltage dividers: + +Required properties (not on ldo3): +- lltc,fb-voltage-divider: An array of two integers containing the resistor + values R1 and R2 of the feedback voltage divider in ohms. + +Regulators sw1, sw2, sw3, sw4 can regulate the feedback reference from: +412.5mV to 800mV in 12.5 mV steps. The output voltage thus ranges between +0.4125 * (1 + R1/R2) V and 0.8 * (1 + R1/R2) V. + +Regulators ldo1, ldo2, and ldo4 have a fixed 0.725 V reference and thus output +0.725 * (1 + R1/R2) V. The ldo3 regulator is fixed to 1.8 V. The ldo1 standby +regulator can not be disabled and thus should have the regulator-always-on +property set. + +Example: + + ltc3676: pmic@3c { + compatible = "lltc,ltc3676"; + reg = <0x3c>; + + regulators { + sw1_reg: sw1 { + regulator-min-microvolt = <674400>; + regulator-max-microvolt = <1308000>; + lltc,fb-voltage-divider = <127000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + sw2_reg: sw2 { + regulator-min-microvolt = <1033310>; + regulator-max-microvolt = <200400>; + lltc,fb-voltage-divider = <301000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + sw3_reg: sw3 { + regulator-min-microvolt = <674400>; + regulator-max-microvolt = <130800>; + lltc,fb-voltage-divider = <127000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + sw4_reg: sw4 { + regulator-min-microvolt = <868310>; + regulator-max-microvolt = <168400>; + lltc,fb-voltage-divider = <221000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2_reg: ldo2 { + regulator-min-microvolt = <2490375>; + regulator-max-microvolt = <2490375>; + lltc,fb-voltage-divider = <487000 200000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3_reg: ldo3 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + }; + + ldo4_reg: ldo4 { + regulator-min-microvolt = <3023250>; + regulator-max-microvolt = <3023250>; + lltc,fb-voltage-divider = <634000 200000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/max77802.txt b/Documentation/devicetree/bindings/regulator/max77802.txt index 09d796ed48be..879e98d3b9aa 100644 --- a/Documentation/devicetree/bindings/regulator/max77802.txt +++ b/Documentation/devicetree/bindings/regulator/max77802.txt @@ -60,7 +60,7 @@ The possible values for "regulator-initial-mode" and "regulator-mode" are: 1: Normal regulator voltage output mode. 3: Low Power which reduces the quiescent current down to only 1uA -The list of valid modes are defined in the dt-bindings/clock/maxim,max77802.h +The valid modes list is defined in the dt-bindings/regulator/maxim,max77802.h header and can be included by device tree source files. The standard "regulator-mode" property can only be used for regulators that diff --git a/Documentation/devicetree/bindings/regulator/max8973-regulator.txt b/Documentation/devicetree/bindings/regulator/max8973-regulator.txt index f80ea2fe27e6..c2c68fcc1b41 100644 --- a/Documentation/devicetree/bindings/regulator/max8973-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/max8973-regulator.txt @@ -32,6 +32,13 @@ Optional properties: Enhanced transient response (ETR) will affect the configuration of CKADV. +-junction-warn-millicelsius: u32, junction warning temperature threshold + in millicelsius. If die temperature crosses this level then + device generates the warning interrupts. + +Please note that thermal functionality is only supported on MAX77621. The +supported threshold warning temperature for MAX77621 are 120 degC and 140 degC. + Example: max8973@1b { diff --git a/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt new file mode 100644 index 000000000000..c35d878b0960 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt @@ -0,0 +1,237 @@ +Mediatek MT6323 Regulator Driver + +All voltage regulators are defined as subnodes of the regulators node. A list +of regulators provided by this controller are defined as subnodes of the +PMIC's node. Each regulator is named according to its regulator type, +buck_<name> and ldo_<name>. The definition for each of these nodes is defined +using the standard binding for regulators at +Documentation/devicetree/bindings/regulator/regulator.txt. + +The valid names for regulators are:: +BUCK: + buck_vproc, buck_vsys, buck_vpa +LDO: + ldo_vtcxo, ldo_vcn28, ldo_vcn33_bt, ldo_vcn33_wifi, ldo_va, ldo_vcama, + ldo_vio28, ldo_vusb, ldo_vmc, ldo_vmch, ldo_vemc3v3, ldo_vgp1, ldo_vgp2, + ldo_vgp3, ldo_vcn18, ldo_vsim1, ldo_vsim2, ldo_vrtc, ldo_vcamaf, ldo_vibr, + ldo_vrf18, ldo_vm, ldo_vio18, ldo_vcamd, ldo_vcamio + +Example: + + pmic: mt6323 { + mt6323regulator: regulators { + mt6323_vproc_reg: buck_vproc{ + regulator-name = "vproc"; + regulator-min-microvolt = < 700000>; + regulator-max-microvolt = <1350000>; + regulator-ramp-delay = <12500>; + regulator-always-on; + regulator-boot-on; + }; + + mt6323_vsys_reg: buck_vsys{ + regulator-name = "vsys"; + regulator-min-microvolt = <1400000>; + regulator-max-microvolt = <2987500>; + regulator-ramp-delay = <25000>; + regulator-always-on; + regulator-boot-on; + }; + + mt6323_vpa_reg: buck_vpa{ + regulator-name = "vpa"; + regulator-min-microvolt = < 500000>; + regulator-max-microvolt = <3650000>; + }; + + mt6323_vtcxo_reg: ldo_vtcxo{ + regulator-name = "vtcxo"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-enable-ramp-delay = <90>; + regulator-always-on; + regulator-boot-on; + }; + + mt6323_vcn28_reg: ldo_vcn28{ + regulator-name = "vcn28"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-enable-ramp-delay = <185>; + }; + + mt6323_vcn33_bt_reg: ldo_vcn33_bt{ + regulator-name = "vcn33_bt"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3600000>; + regulator-enable-ramp-delay = <185>; + }; + + mt6323_vcn33_wifi_reg: ldo_vcn33_wifi{ + regulator-name = "vcn33_wifi"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3600000>; + regulator-enable-ramp-delay = <185>; + }; + + mt6323_va_reg: ldo_va{ + regulator-name = "va"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-enable-ramp-delay = <216>; + regulator-always-on; + regulator-boot-on; + }; + + mt6323_vcama_reg: ldo_vcama{ + regulator-name = "vcama"; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <2800000>; + regulator-enable-ramp-delay = <216>; + }; + + mt6323_vio28_reg: ldo_vio28{ + regulator-name = "vio28"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-enable-ramp-delay = <216>; + regulator-always-on; + regulator-boot-on; + }; + + mt6323_vusb_reg: ldo_vusb{ + regulator-name = "vusb"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <216>; + regulator-boot-on; + }; + + mt6323_vmc_reg: ldo_vmc{ + regulator-name = "vmc"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <36>; + regulator-boot-on; + }; + + mt6323_vmch_reg: ldo_vmch{ + regulator-name = "vmch"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <36>; + regulator-boot-on; + }; + + mt6323_vemc3v3_reg: ldo_vemc3v3{ + regulator-name = "vemc3v3"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <36>; + regulator-boot-on; + }; + + mt6323_vgp1_reg: ldo_vgp1{ + regulator-name = "vgp1"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <216>; + }; + + mt6323_vgp2_reg: ldo_vgp2{ + regulator-name = "vgp2"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3000000>; + regulator-enable-ramp-delay = <216>; + }; + + mt6323_vgp3_reg: ldo_vgp3{ + regulator-name = "vgp3"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <216>; + }; + + mt6323_vcn18_reg: ldo_vcn18{ + regulator-name = "vcn18"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <216>; + }; + + mt6323_vsim1_reg: ldo_vsim1{ + regulator-name = "vsim1"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3000000>; + regulator-enable-ramp-delay = <216>; + }; + + mt6323_vsim2_reg: ldo_vsim2{ + regulator-name = "vsim2"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3000000>; + regulator-enable-ramp-delay = <216>; + }; + + mt6323_vrtc_reg: ldo_vrtc{ + regulator-name = "vrtc"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-always-on; + regulator-boot-on; + }; + + mt6323_vcamaf_reg: ldo_vcamaf{ + regulator-name = "vcamaf"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <216>; + }; + + mt6323_vibr_reg: ldo_vibr{ + regulator-name = "vibr"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <36>; + }; + + mt6323_vrf18_reg: ldo_vrf18{ + regulator-name = "vrf18"; + regulator-min-microvolt = <1825000>; + regulator-max-microvolt = <1825000>; + regulator-enable-ramp-delay = <187>; + }; + + mt6323_vm_reg: ldo_vm{ + regulator-name = "vm"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <216>; + regulator-always-on; + regulator-boot-on; + }; + + mt6323_vio18_reg: ldo_vio18{ + regulator-name = "vio18"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <216>; + regulator-always-on; + regulator-boot-on; + }; + + mt6323_vcamd_reg: ldo_vcamd{ + regulator-name = "vcamd"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <216>; + }; + + mt6323_vcamio_reg: ldo_vcamio{ + regulator-name = "vcamio"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-enable-ramp-delay = <216>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt index 725393c8a7f2..99872819604f 100644 --- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt +++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt @@ -1,5 +1,12 @@ * palmas regulator IP block devicetree bindings +The tps659038 for the AM57x class have OTP spins that +have different part numbers but the same functionality. There +is not a need to add the OTP spins to the palmas driver. The +spin devices should use the tps659038 as it's compatible value. +This is the list of those devices: +tps659037 + Required properties: - compatible : Should be from the list ti,twl6035-pmic @@ -8,6 +15,7 @@ Required properties: ti,tps65913-pmic ti,tps65914-pmic ti,tps65917-pmic + ti,tps659038-pmic and also the generic series names ti,palmas-pmic - interrupt-parent : The parent interrupt controller which is palmas. diff --git a/Documentation/devicetree/bindings/regulator/pfuze100.txt b/Documentation/devicetree/bindings/regulator/pfuze100.txt index 9b40db88f637..444c47831a40 100644 --- a/Documentation/devicetree/bindings/regulator/pfuze100.txt +++ b/Documentation/devicetree/bindings/regulator/pfuze100.txt @@ -13,7 +13,7 @@ Required child node: --PFUZE100 sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6 --PFUZE200 - sw1ab,sw2,sw3a,sw3b,swbst,vsnvs,vrefddr,vgen1~vgen6 + sw1ab,sw2,sw3a,sw3b,swbst,vsnvs,vrefddr,vgen1~vgen6,coin --PFUZE3000 sw1a,sw1b,sw2,sw3,swbst,vsnvs,vrefddr,vldo1,vldo2,vccsd,v33,vldo3,vldo4 @@ -205,6 +205,12 @@ Example 2: PFUZE200 regulator-max-microvolt = <3300000>; regulator-always-on; }; + + coin_reg: coin { + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; }; }; diff --git a/Documentation/devicetree/bindings/regulator/pv88080.txt b/Documentation/devicetree/bindings/regulator/pv88080.txt new file mode 100644 index 000000000000..e6e4b9c82d89 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/pv88080.txt @@ -0,0 +1,62 @@ +* Powerventure Semiconductor PV88080 Voltage Regulator + +Required properties: +- compatible: Must be one of the following, depending on the + silicon version: + - "pvs,pv88080" (DEPRECATED) + + - "pvs,pv88080-aa" for PV88080 AA or AB silicon + - "pvs,pv88080-ba" for PV88080 BA or BB silicon + NOTE: The use of the compatibles with no silicon version is deprecated. +- reg: I2C slave address, usually 0x49 +- interrupts: the interrupt outputs of the controller +- regulators: A node that houses a sub-node for each regulator within the + device. Each sub-node is identified using the node's name, with valid + values listed below. The content of each sub-node is defined by the + standard binding for regulators; see regulator.txt. + BUCK1, BUCK2, BUCK3 and HVBUCK. + +Optional properties: +- Any optional property defined in regulator.txt + +Example: + + pmic: pv88080@49 { + compatible = "pvs,pv88080-ba"; + reg = <0x49>; + interrupt-parent = <&gpio>; + interrupts = <24 24>; + + regulators { + BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = < 600000>; + regulator-max-microvolt = <1393750>; + regulator-min-microamp = < 220000>; + regulator-max-microamp = <7040000>; + }; + + BUCK2 { + regulator-name = "buck2"; + regulator-min-microvolt = < 600000>; + regulator-max-microvolt = <1393750>; + regulator-min-microamp = <1496000>; + regulator-max-microamp = <4189000>; + }; + + BUCK3 { + regulator-name = "buck3"; + regulator-min-microvolt = <1400000>; + regulator-max-microvolt = <2193750>; + regulator-min-microamp = <1496000>; + regulator-max-microamp = <4189000>; + }; + + HVBUCK { + regulator-name = "hvbuck"; + regulator-min-microvolt = < 5000>; + regulator-max-microvolt = <1275000>; + }; + }; + }; + diff --git a/Documentation/devicetree/bindings/regulator/pwm-regulator.txt b/Documentation/devicetree/bindings/regulator/pwm-regulator.txt index ed936f0f34f2..3d78d507e29f 100644 --- a/Documentation/devicetree/bindings/regulator/pwm-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/pwm-regulator.txt @@ -34,25 +34,49 @@ Only required for Voltage Table Mode: First cell is voltage in microvolts (uV) Second cell is duty-cycle in percent (%) +Optional properties for Continuous mode: +- pwm-dutycycle-unit: Integer value encoding the duty cycle unit. If not + defined, <100> is assumed, meaning that + pwm-dutycycle-range contains values expressed in + percent. + +- pwm-dutycycle-range: Should contain 2 entries. The first entry is encoding + the dutycycle for regulator-min-microvolt and the + second one the dutycycle for regulator-max-microvolt. + Duty cycle values are expressed in pwm-dutycycle-unit. + If not defined, <0 100> is assumed. + NB: To be clear, if voltage-table is provided, then the device will be used in Voltage Table Mode. If no voltage-table is provided, then the device will be used in Continuous Voltage Mode. +Optional properties: +-------------------- +- enable-gpios: GPIO to use to enable/disable the regulator + Any property defined as part of the core regulator binding can also be used. (See: ../regulator/regulator.txt) -Continuous Voltage Example: +Continuous Voltage With Enable GPIO Example: pwm_regulator { - compatible = "pwm-regulator; + compatible = "pwm-regulator"; pwms = <&pwm1 0 8448 0>; + enable-gpios = <&gpio0 23 GPIO_ACTIVE_HIGH>; regulator-min-microvolt = <1016000>; regulator-max-microvolt = <1114000>; regulator-name = "vdd_logic"; + /* unit == per-mille */ + pwm-dutycycle-unit = <1000>; + /* + * Inverted PWM logic, and the duty cycle range is limited + * to 30%-70%. + */ + pwm-dutycycle-range = <700 300>; /* */ }; Voltage Table Example: pwm_regulator { - compatible = "pwm-regulator; + compatible = "pwm-regulator"; pwms = <&pwm1 0 8448 0>; regulator-min-microvolt = <1016000>; regulator-max-microvolt = <1114000>; diff --git a/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt index 1f8d6f84b657..4e3dfb5b5f16 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt @@ -22,6 +22,7 @@ Regulator nodes are identified by their compatible: "qcom,rpm-pm8841-regulators" "qcom,rpm-pm8916-regulators" "qcom,rpm-pm8941-regulators" + "qcom,rpm-pm8994-regulators" "qcom,rpm-pma8084-regulators" - vdd_s1-supply: @@ -80,6 +81,56 @@ Regulator nodes are identified by their compatible: - vdd_s10-supply: - vdd_s11-supply: - vdd_s12-supply: +- vdd_l1-supply: +- vdd_l2_l26_l28-supply: +- vdd_l3_l11-supply: +- vdd_l4_l27_l31-supply: +- vdd_l5_l7-supply: +- vdd_l6_l12_l32-supply: +- vdd_l5_l7-supply: +- vdd_l8_l16_l30-supply: +- vdd_l9_l10_l18_l22-supply: +- vdd_l9_l10_l18_l22-supply: +- vdd_l3_l11-supply: +- vdd_l6_l12_l32-supply: +- vdd_l13_l19_l23_l24-supply: +- vdd_l14_l15-supply: +- vdd_l14_l15-supply: +- vdd_l8_l16_l30-supply: +- vdd_l17_l29-supply: +- vdd_l9_l10_l18_l22-supply: +- vdd_l13_l19_l23_l24-supply: +- vdd_l20_l21-supply: +- vdd_l20_l21-supply: +- vdd_l9_l10_l18_l22-supply: +- vdd_l13_l19_l23_l24-supply: +- vdd_l13_l19_l23_l24-supply: +- vdd_l25-supply: +- vdd_l2_l26_l28-supply: +- vdd_l4_l27_l31-supply: +- vdd_l2_l26_l28-supply: +- vdd_l17_l29-supply: +- vdd_l8_l16_l30-supply: +- vdd_l4_l27_l31-supply: +- vdd_l6_l12_l32-supply: +- vdd_lvs1_2-supply: + Usage: optional (pm8994 only) + Value type: <phandle> + Definition: reference to regulator supplying the input pin, as + described in the data sheet + +- vdd_s1-supply: +- vdd_s2-supply: +- vdd_s3-supply: +- vdd_s4-supply: +- vdd_s5-supply: +- vdd_s6-supply: +- vdd_s7-supply: +- vdd_s8-supply: +- vdd_s9-supply: +- vdd_s10-supply: +- vdd_s11-supply: +- vdd_s12-supply: - vdd_l1_l11-supply: - vdd_l2_l3_l4_l27-supply: - vdd_l5_l7-supply: @@ -113,6 +164,11 @@ pm8941: l14, l15, l16, l17, l18, l19, l20, l21, l22, l23, l24, lvs1, lvs2, lvs3, 5vs1, 5vs2 +pm8994: + s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, l1, l2, l3, l4, l5, + l6, l7, l8, l9, l10, l11, l12, l13, l14, l15, l16, l17, l18, l19, l20, + l21, l22, l23, l24, l25, l26, l27, l28, l29, l30, l31, l32, lvs1, lvs2 + pma8084: s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, l14, l15, l16, l17, l18, l19, l20, diff --git a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt index d00bfd8624a5..0fa3b0fac129 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt @@ -7,6 +7,7 @@ Qualcomm SPMI Regulators "qcom,pm8841-regulators" "qcom,pm8916-regulators" "qcom,pm8941-regulators" + "qcom,pm8994-regulators" - interrupts: Usage: optional @@ -68,6 +69,37 @@ Qualcomm SPMI Regulators Definition: Reference to regulator supplying the input pin, as described in the data sheet. +- vdd_s1-supply: +- vdd_s2-supply: +- vdd_s3-supply: +- vdd_s4-supply: +- vdd_s5-supply: +- vdd_s6-supply: +- vdd_s7-supply: +- vdd_s8-supply: +- vdd_s9-supply: +- vdd_s10-supply: +- vdd_s11-supply: +- vdd_s12-supply: +- vdd_l1-supply: +- vdd_l2_l26_l28-supply: +- vdd_l3_l11-supply: +- vdd_l4_l27_l31-supply: +- vdd_l5_l7-supply: +- vdd_l6_l12_l32-supply: +- vdd_l8_l16_l30-supply: +- vdd_l9_l10_l18_l22-supply: +- vdd_l13_l19_l23_l24-supply: +- vdd_l14_l15-supply: +- vdd_l17_l29-supply: +- vdd_l20_l21-supply: +- vdd_l25-supply: +- vdd_lvs_1_2-supply: + Usage: optional (pm8994 only) + Value type: <phandle> + Definition: Reference to regulator supplying the input pin, as + described in the data sheet. + The regulator node houses sub-nodes for each regulator within the device. Each sub-node is identified using the node's name, with valid values listed for each @@ -81,9 +113,14 @@ pm8916: l14, l15, l16, l17, l18 pm8941: - s1, s2, s3, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, l14, - l15, l16, l17, l18, l19, l20, l21, l22, l23, l24, lvs1, lvs2, lvs3, - mvs1, mvs2 + s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, + l14, l15, l16, l17, l18, l19, l20, l21, l22, l23, l24, lvs1, lvs2, lvs3, + 5vs1, 5vs2 + +pm8994: + s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, l1, l2, l3, l4, l5, + l6, l7, l8, l9, l10, l11, l12, l13, l14, l15, l16, l17, l18, l19, l20, + l21, l22, l23, l24, l25, l26, l27, l28, l29, l30, l31, l32, lvs1, lvs2 The content of each sub-node is defined by the standard binding for regulators - see regulator.txt - with additional custom properties described below: diff --git a/Documentation/devicetree/bindings/regulator/regulator-max77620.txt b/Documentation/devicetree/bindings/regulator/regulator-max77620.txt new file mode 100644 index 000000000000..1c4bfe786736 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/regulator-max77620.txt @@ -0,0 +1,222 @@ +Regulator DT binding for MAX77620 Power management IC from Maxim Semiconductor. + +Device has multiple DCDC(sd[0-3] and LDOs(ldo[0-8]). The input supply +of these regulators are defined under parent device node. +Details of regulator properties are defined as child node under +sub-node "regulators" which is child node of device node. + +Please refer file <Documentation/devicetree/bindings/regulator/regulator.txt> +for common regulator bindings used by client. + +Following are properties of parent node related to regulators. + +Optional properties: +------------------- +The input supply of regulators are the optional properties on the +parent device node. The input supply of these regulators are provided +through following properties: +in-sd0-supply: Input supply for SD0, INA-SD0 or INB-SD0 pins. +in-sd1-supply: Input supply for SD1. +in-sd2-supply: Input supply for SD2. +in-sd3-supply: Input supply for SD3. +in-ldo0-1-supply: Input supply for LDO0 and LDO1. +in-ldo2-supply: Input supply for LDO2. +in-ldo3-5-supply: Input supply for LDO3 and LDO5 +in-ldo4-6-supply: Input supply for LDO4 and LDO6. +in-ldo7-8-supply: Input supply for LDO7 and LDO8. + +Optional sub nodes for regulators under "regulators" subnode: +------------------------------------------------------------ +The subnodes name is the name of regulator and it must be one of: + sd[0-3], ldo[0-8] + +Each sub-node should contain the constraints and initialization +information for that regulator. The definition for each of these +nodes is defined using the standard binding for regulators found at +<Documentation/devicetree/bindings/regulator/regulator.txt>. + +Theres are also additional properties for SD/LDOs. These additional properties +are required to configure FPS configuration parameters for SDs and LDOs. +Please refer <devicetree/bindings/mfd/max77620.txt> for more detail of Flexible +Power Sequence (FPS). +Following are additional properties: + +- maxim,active-fps-source: FPS source for the regulators 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. + Regulator 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 + regulator to default configuration. + +- maxim,active-fps-power-up-slot: Sequencing event slot number on which + the regulator 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 regulator 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. +- maxim,ramp-rate-setting: integer, ramp rate(uV/us) setting to be + configured to the device. + The platform may have different ramp + rate than advertised ramp rate if it has + design variation from Maxim's + recommended. On this case, platform + specific ramp rate is used for ramp time + calculation and this property is used + for device register configurations. + The measured ramp rate of platform is + provided by the regulator-ramp-delay + as described in <devicetree/bindings/ + regulator/regulator.txt>. + Maxim Max77620 supports following ramp + delay: + SD: 13.75mV/us, 27.5mV/us, 55mV/us + LDOs: 5mV/us, 100mV/us + +Note: If the measured ramp delay is same as advertised ramp delay then it is not +required to provide the ramp delay with property "maxim,ramp-rate-setting". The +ramp rate can be provided by the regulator-ramp-delay which will be used for +ramp time calculation for voltage change as well as for device configuration. + +Example: +-------- +#include <dt-bindings/mfd/max77620.h> +... +max77620@3c { + in-ldo0-1-supply = <&max77620_sd2>; + in-ldo7-8-supply = <&max77620_sd2>; + regulators { + sd0 { + regulator-name = "vdd-core"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <1400000>; + regulator-boot-on; + regulator-always-on; + maxim,active-fps-source = <MAX77620_FPS_SRC_1>; + }; + + sd1 { + regulator-name = "vddio-ddr"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + maxim,active-fps-source = <MAX77620_FPS_SRC_0>; + }; + + sd2 { + regulator-name = "vdd-pre-reg"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + }; + + sd3 { + regulator-name = "vdd-1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + }; + + ldo0 { + regulator-name = "avdd-sys"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + }; + + ldo1 { + regulator-name = "vdd-pex"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + }; + + ldo2 { + regulator-name = "vddio-sdmmc3"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + + ldo3 { + regulator-name = "vdd-cam-hv"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + }; + + ldo4 { + regulator-name = "vdd-rtc"; + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <1250000>; + regulator-always-on; + regulator-boot-on; + }; + + ldo5 { + regulator-name = "avdd-ts-hv"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + }; + + ldo6 { + regulator-name = "vdd-ts"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + }; + + ldo7 { + regulator-name = "vdd-gen-pll-edp"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + regulator-always-on; + regulator-boot-on; + }; + + ldo8 { + regulator-name = "vdd-hdmi-dp"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index 1d112fc456aa..378f6dc8b8bd 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.txt +++ b/Documentation/devicetree/bindings/regulator/regulator.txt @@ -13,7 +13,7 @@ Optional properties: - regulator-allow-bypass: allow the regulator to go into bypass mode - regulator-allow-set-load: allow the regulator performance level to be configured - <name>-supply: phandle to the parent supply/regulator node -- regulator-ramp-delay: ramp delay for regulator(in uV/uS) +- regulator-ramp-delay: ramp delay for regulator(in uV/us) For hardware which supports disabling ramp rate, it should be explicitly initialised to zero (regulator-ramp-delay = <0>) for disabling ramp delay. - regulator-enable-ramp-delay: The time taken, in microseconds, for the supply @@ -21,6 +21,17 @@ Optional properties: design requires. This property describes the total system ramp time required due to the combination of internal ramping of the regulator itself, and board design issues such as trace capacitance and load on the supply. +- regulator-settling-time-us: Settling time, in microseconds, for voltage + change if regulator have the constant time for any level voltage change. + This is useful when regulator have exponential voltage change. +- regulator-settling-time-up-us: Settling time, in microseconds, for voltage + increase if the regulator needs a constant time to settle after voltage + increases of any level. This is useful for regulators with exponential + voltage changes. +- regulator-settling-time-down-us: Settling time, in microseconds, for voltage + decrease if the regulator needs a constant time to settle after voltage + decreases of any level. This is useful for regulators with exponential + voltage changes. - regulator-soft-start: Enable soft start so that voltage ramps slowly - regulator-state-mem sub-root node for Suspend-to-RAM mode : suspend to memory, the device goes to sleep, but all data stored in memory, @@ -44,6 +55,11 @@ Optional properties: any consumer request. - regulator-pull-down: Enable pull down resistor when the regulator is disabled. - regulator-over-current-protection: Enable over current protection. +- regulator-active-discharge: tristate, enable/disable active discharge of + regulators. The values are: + 0: Disable active discharge. + 1: Enable active discharge. + Absence of this property will leave configuration to default. Deprecated properties: - regulator-compatible: If a regulator chip contains multiple diff --git a/Documentation/devicetree/bindings/regulator/ti-abb-regulator.txt b/Documentation/devicetree/bindings/regulator/ti-abb-regulator.txt index c58db75f959e..6a23ad9ac53a 100644 --- a/Documentation/devicetree/bindings/regulator/ti-abb-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/ti-abb-regulator.txt @@ -14,8 +14,8 @@ Required Properties: - "setup-address" - contains setup register address of ABB module (ti,abb-v3) - "int-address" - contains address of interrupt register for ABB module (also see Optional properties) -- #address-cell: should be 0 -- #size-cell: should be 0 +- #address-cells: should be 0 +- #size-cells: should be 0 - clocks: should point to the clock node used by ABB module - ti,settling-time: Settling time in uSecs from SoC documentation for ABB module to settle down(target time for SR2_WTCNT_VALUE). @@ -45,7 +45,7 @@ Required Properties: Optional Properties: - reg-names: In addition to the required properties, the following are optional - "efuse-address" - Contains efuse base address used to pick up ABB info. - - "ldo-address" - Contains address of ABB LDO overide register address. + - "ldo-address" - Contains address of ABB LDO override register. "efuse-address" is required for this. - ti,ldovbb-vset-mask - Required if ldo-address is set, mask for LDO override register to provide override vset value. @@ -69,7 +69,7 @@ Example #1: Simplest configuration (no efuse data, hard coded ABB table): abb_x: regulator-abb-x { compatible = "ti,abb-v1"; regulator-name = "abb_x"; - #address-cell = <0>; + #address-cells = <0>; #size-cells = <0>; reg = <0x483072f0 0x8>, <0x48306818 0x4>; reg-names = "base-address", "int-address"; @@ -89,7 +89,7 @@ Example #2: Efuse bits contain ABB mode setting (no LDO override capability) abb_y: regulator-abb-y { compatible = "ti,abb-v2"; regulator-name = "abb_y"; - #address-cell = <0>; + #address-cells = <0>; #size-cells = <0>; reg = <0x4a307bd0 0x8>, <0x4a306014 0x4>, <0x4A002268 0x8>; reg-names = "base-address", "int-address", "efuse-address"; @@ -110,7 +110,7 @@ Example #3: Efuse bits contain ABB mode setting and LDO override capability abb_z: regulator-abb-z { compatible = "ti,abb-v2"; regulator-name = "abb_z"; - #address-cell = <0>; + #address-cells = <0>; #size-cells = <0>; reg = <0x4ae07ce4 0x8>, <0x4ae06010 0x4>, <0x4a002194 0x8>, <0x4ae0C314 0x4>; diff --git a/Documentation/devicetree/bindings/regulator/tps65132-regulator.txt b/Documentation/devicetree/bindings/regulator/tps65132-regulator.txt new file mode 100644 index 000000000000..3a3505520c69 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/tps65132-regulator.txt @@ -0,0 +1,46 @@ +TPS65132 regulators + +Required properties: +- compatible: "ti,tps65132" +- reg: I2C slave address + +Optional Subnode: +Device supports two regulators OUTP and OUTN. A sub node within the + device node describe the properties of these regulators. The sub-node + names must be as follows: + -For regulator outp, the sub node name should be "outp". + -For regulator outn, the sub node name should be "outn". + +-enable-gpios:(active high, output) Regulators are controlled by the input pins. + If it is connected to GPIO through host system then provide the + gpio number as per gpio.txt. +-active-discharge-gpios: (active high, output) Some configurations use delay mechanisms + on the enable pin, to keep the regulator enabled for some time after + the enable signal goes low. This GPIO is used to actively discharge + the delay mechanism. Requires specification of ti,active-discharge-time-us +-ti,active-discharge-time-us: how long the active discharge gpio should be + asserted for during active discharge, in microseconds. + +Each regulator is defined using the standard binding for regulators. + +Example: + + tps65132@3e { + compatible = "ti,tps65132"; + reg = <0x3e>; + + outp { + regulator-name = "outp"; + regulator-boot-on; + regulator-always-on; + enable-gpios = <&gpio 23 0>; + }; + + outn { + regulator-name = "outn"; + regulator-boot-on; + regulator-always-on; + regulator-active-discharge = <0>; + enable-gpios = <&gpio 40 0>; + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/tps65218.txt b/Documentation/devicetree/bindings/regulator/tps65218.txt index fccc1d24af58..02f0e9bbfbf8 100644 --- a/Documentation/devicetree/bindings/regulator/tps65218.txt +++ b/Documentation/devicetree/bindings/regulator/tps65218.txt @@ -1,23 +1,78 @@ TPS65218 family of regulators Required properties: -For tps65218 regulators/LDOs -- compatible: - - "ti,tps65218-dcdc1" for DCDC1 - - "ti,tps65218-dcdc2" for DCDC2 - - "ti,tps65218-dcdc3" for DCDC3 - - "ti,tps65218-dcdc4" for DCDC4 - - "ti,tps65218-dcdc5" for DCDC5 - - "ti,tps65218-dcdc6" for DCDC6 - - "ti,tps65218-ldo1" for LDO1 - -Optional properties: -- Any optional property defined in bindings/regulator/regulator.txt +- compatible: "ti,tps65218" +- reg: I2C slave address + +- List of regulators provided by this controller, must be named + after their hardware counterparts: dcdc[1-6] and ldo1 +- This is the list of child nodes that specify the regulator + initialization data for defined regulators. Not all regulators for the given + device need to be present. The definition for each of these nodes is defined + using the standard binding for regulators found at ./regulator.txt. + + The valid names for regulators are: + tps65217: regulator-dcdc1, regulator-dcdc2, regulator-dcdc3, regulator-dcdc4, + regulator-dcdc5, regulator-dcdc6, regulator-ldo1, regulator-ls3. + Each regulator is defined using the standard binding for regulators. Example: +tps65218: tps65218@24 { + reg = <0x24>; + compatible = "ti,tps65218"; + interrupts = <GIC_SPI 7 IRQ_TYPE_NONE>; /* NMIn */ + interrupt-controller; + #interrupt-cells = <2>; + + dcdc1: regulator-dcdc1 { + regulator-name = "vdd_core"; + regulator-min-microvolt = <912000>; + regulator-max-microvolt = <1144000>; + regulator-boot-on; + regulator-always-on; + }; + + dcdc2: regulator-dcdc2 { + regulator-name = "vdd_mpu"; + regulator-min-microvolt = <912000>; + regulator-max-microvolt = <1378000>; + regulator-boot-on; + regulator-always-on; + }; + + dcdc3: regulator-dcdc3 { + regulator-name = "vdcdc3"; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1500000>; + regulator-boot-on; + regulator-always-on; + }; + + dcdc5: regulator-dcdc5 { + regulator-name = "v1_0bat"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-boot-on; + regulator-always-on; + }; + + dcdc6: regulator-dcdc6 { + regulator-name = "v1_8bat"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1: regulator-ldo1 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; - xyz: regulator@0 { - compatible = "ti,tps65218-dcdc1"; - regulator-min-microvolt = <1000000>; - regulator-max-microvolt = <3000000>; + ls3: regulator-ls3 { + regulator-min-microvolt = <100000>; + regulator-max-microvolt = <1000000>; }; +}; diff --git a/Documentation/devicetree/bindings/regulator/twl-regulator.txt b/Documentation/devicetree/bindings/regulator/twl-regulator.txt index 75b0c1669504..74a91c4f8530 100644 --- a/Documentation/devicetree/bindings/regulator/twl-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/twl-regulator.txt @@ -57,6 +57,12 @@ For twl4030 regulators/LDOs Optional properties: - Any optional property defined in bindings/regulator/regulator.txt +For twl4030 regulators/LDOs: + - regulator-initial-mode: + - 0x08 - Sleep mode, the nominal output voltage is maintained with low power + consumption with low load current capability. + - 0x0e - Active mode, the regulator can deliver its nominal output voltage + with full-load current capability. Example: diff --git a/Documentation/devicetree/bindings/regulator/vctrl.txt b/Documentation/devicetree/bindings/regulator/vctrl.txt new file mode 100644 index 000000000000..601328d7fdbb --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/vctrl.txt @@ -0,0 +1,49 @@ +Bindings for Voltage controlled regulators +========================================== + +Required properties: +-------------------- +- compatible : must be "vctrl-regulator". +- regulator-min-microvolt : smallest voltage consumers may set +- regulator-max-microvolt : largest voltage consumers may set +- ctrl-supply : The regulator supplying the control voltage. +- ctrl-voltage-range : an array of two integer values describing the range + (min/max) of the control voltage. The values specify + the control voltage needed to generate the corresponding + regulator-min/max-microvolt output voltage. + +Optional properties: +-------------------- +- ovp-threshold-percent : overvoltage protection (OVP) threshold of the + regulator in percent. Some regulators have an OVP + circuitry which shuts down the regulator when the + actual output voltage deviates beyond a certain + margin from the expected value for a given control + voltage. On larger voltage decreases this can occur + undesiredly since the output voltage does not adjust + inmediately to changes in the control voltage. To + avoid this situation the vctrl driver breaks down + larger voltage decreases into multiple steps, where + each step is within the OVP threshold. +- min-slew-down-rate : Describes how slowly the regulator voltage will decay + down in the worst case (lightest expected load). + Specified in uV / us (like main regulator ramp rate). + This value is required when ovp-threshold-percent is + specified. + +Example: + + vctrl-reg { + compatible = "vctrl-regulator"; + regulator-name = "vctrl_reg"; + + ctrl-supply = <&ctrl_reg>; + + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1500000>; + + ctrl-voltage-range = <200000 500000>; + + min-slew-down-rate = <225>; + ovp-threshold-percent = <16>; + }; |