Commit cd42b26a authored by Vidya Sagar's avatar Vidya Sagar Committed by Thierry Reding
Browse files

arm64: tegra: Add regulators required for PCIe 



Add regulator supplies required for PCIe functionality. The supplies
include 1.8V, 3.3V and 12V.

Signed-off-by: default avatarVidya Sagar <vidyas@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 5b6b207c

arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi

+36 −0
Original line number Diff line number Diff line
@@ -6,6 +6,42 @@ 
	model = "NVIDIA Jetson AGX Orin";

	compatible = "nvidia,p3701-0000", "nvidia,tegra234";



	vdd_1v8_ls: regulator-vdd-1v8-ls {

		compatible = "regulator-fixed";

		regulator-name = "VDD_1V8_LS";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		regulator-always-on;

	};



	vdd_1v8_ao: regulator-vdd-1v8-ao {

		compatible = "regulator-fixed";

		regulator-name = "VDD_1V8_AO";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		regulator-always-on;

	};



	vdd_3v3_pcie: regulator-vdd-3v3-pcie {

		compatible = "regulator-fixed";

		regulator-name = "VDD_3V3_PCIE";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		gpio = <&gpio TEGRA234_MAIN_GPIO(Z, 2) GPIO_ACTIVE_HIGH>;

		regulator-boot-on;

		enable-active-high;

	};



	vdd_12v_pcie: regulator-vdd-12v-pcie {

		compatible = "regulator-fixed";

		regulator-name = "VDD_12V_PCIE";

		regulator-min-microvolt = <12000000>;

		regulator-max-microvolt = <12000000>;

		gpio = <&gpio TEGRA234_MAIN_GPIO(A, 1) GPIO_ACTIVE_LOW>;

		regulator-boot-on;

		enable-active-low;

	};



	bus@0 {

		spi@3270000 {

			status = "okay";