diff options
| author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2022-01-26 14:23:38 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-02-11 11:22:07 +0800 |
| commit | 1d84283101fcbe3e60c64b05ef05918648d262cf (patch) | |
| tree | 84c39ecf77fc768c615cb22f3c3220773489ab8d | |
| parent | 9cbe605b8e3fc99d58c491865170443b12d180b4 (diff) | |
arm64: dts: tqma8mqml: add PCIe support
Add PCIe support to TQMa8MxML series.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts | 19 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi | 5 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/mba8mx.dtsi | 6 |
3 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts index 7844878788f4..286d2df01cfa 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts @@ -5,6 +5,7 @@ /dts-v1/; +#include <dt-bindings/phy/phy-imx8-pcie.h> #include "imx8mm-tqma8mqml.dtsi" #include "mba8mx.dtsi" @@ -58,6 +59,24 @@ }; }; +&pcie_phy { + clocks = <&pcie0_refclk>; + status = "okay"; +}; + +&pcie0 { + reset-gpio = <&expander0 14 GPIO_ACTIVE_LOW>; + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&clk IMX8MM_CLK_PCIE1_AUX>, + <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_bus"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_PCIE1_CTRL>; + assigned-clock-rates = <10000000>, <250000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>, + <&clk IMX8MM_SYS_PLL2_250M>; + status = "okay"; +}; + &sai3 { assigned-clocks = <&clk IMX8MM_CLK_SAI3>; assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi index 284e62acc0b4..16ee9b5179e6 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi @@ -227,6 +227,11 @@ }; }; +&pcie_phy { + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>; + fsl,clkreq-unsupported; +}; + &usdhc3 { pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc3>; diff --git a/arch/arm64/boot/dts/freescale/mba8mx.dtsi b/arch/arm64/boot/dts/freescale/mba8mx.dtsi index f27e3c8de916..3ea34b3a55f8 100644 --- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi +++ b/arch/arm64/boot/dts/freescale/mba8mx.dtsi @@ -66,6 +66,12 @@ }; }; + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + reg_hub_vbus: regulator-hub-vbus { compatible = "regulator-fixed"; regulator-name = "MBA8MX_HUB_VBUS"; |