diff options
| author | Tim Harvey <tharvey@gateworks.com> | 2021-12-16 08:41:49 -0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-02-11 11:16:17 +0800 |
| commit | afb424b99e0f556bf1324c73570028cb56d5cadb (patch) | |
| tree | b0eda1fdcaf0b51fb3822dac0356edb8009c1ec3 /arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi | |
| parent | 9a0f3b157e22eb4a5f5bddd3ba820b2bee5407b0 (diff) | |
arm64: dts: imx8mm-venice*: add PCIe support
Add PCIe support to GW71xx/GW72xx/GW73xx/GW7901/GW7902
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi index 28012279f6f6..506335efc391 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi @@ -5,6 +5,7 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/leds/common.h> +#include <dt-bindings/phy/phy-imx8-pcie.h> / { aliases { @@ -33,6 +34,12 @@ }; }; + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + pps { compatible = "pps-gpio"; pinctrl-names = "default"; @@ -87,6 +94,28 @@ status = "okay"; }; +&pcie_phy { + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>; + fsl,clkreq-unsupported; + clocks = <&pcie0_refclk>; + status = "okay"; +}; + +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + reset-gpio = <&gpio4 6 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"; +}; + /* GPS */ &uart1 { pinctrl-names = "default"; @@ -148,6 +177,12 @@ >; }; + pinctrl_pcie0: pcie0grp { + fsl,pins = < + MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6 0x41 + >; + }; + pinctrl_pps: ppsgrp { fsl,pins = < MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x41 |