Enable the PCIe controller and PHY nodes corresponding to RDP 433 Signed-off-by: Devi Priya <quic_devipriy@xxxxxxxxxxx> --- Changes in V2: - Moved the Board DT changes to a new patch as suggested - Added pinctrl definitions for PCIe perst GPIOs - Dropped the suffix denoting the lane config from pcie labels arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 62 +++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts index 7be578017bf7..3ae38cf327ea 100644 --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts @@ -8,6 +8,7 @@ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "ipq9574.dtsi" / { @@ -43,6 +44,42 @@ }; }; +&pcie1_phy { + status = "okay"; +}; + +&pcie1 { + pinctrl-names = "default"; + pinctrl-0 = <&pcie_1_pin>; + + perst-gpios = <&tlmm 26 GPIO_ACTIVE_LOW>; + status = "okay"; +}; + +&pcie2_phy { + status = "okay"; +}; + +&pcie2 { + pinctrl-names = "default"; + pinctrl-0 = <&pcie_2_pin>; + + perst-gpios = <&tlmm 29 GPIO_ACTIVE_LOW>; + status = "okay"; +}; + +&pcie3_phy { + status = "okay"; +}; + +&pcie3 { + pinctrl-names = "default"; + pinctrl-0 = <&pcie_3_pin>; + + perst-gpios = <&tlmm 32 GPIO_ACTIVE_LOW>; + status = "okay"; +}; + &sdhc_1 { pinctrl-0 = <&sdc_default_state>; pinctrl-names = "default"; @@ -60,6 +97,31 @@ }; &tlmm { + + pcie_1_pin: pcie-1-state { + pins = "gpio26"; + function = "gpio"; + drive-strength = <8>; + bias-pull-down; + output-low; + }; + + pcie_2_pin: pcie-2-state { + pins = "gpio29"; + function = "gpio"; + drive-strength = <8>; + bias-pull-down; + output-low; + }; + + pcie_3_pin: pcie-3-state { + pins = "gpio32"; + function = "gpio"; + drive-strength = <8>; + bias-pull-up; + output-low; + }; + sdc_default_state: sdc-default-state { clk-pins { pins = "gpio5"; -- 2.17.1