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Commit 09a0774a authored by Vidya Sagar's avatar Vidya Sagar Committed by Bjorn Helgaas
Browse files

arm64: tegra: Add PCIe slot supply information in p2972-0000 platform 



Add 3.3V and 12V supplies regulators information of x16 PCIe slot in
p2972-0000 platform which is owned by C5 controller and also enable C5
controller.

Signed-off-by: default avatarVidya Sagar <vidyas@nvidia.com>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: default avatarAndrew Murray <andrew.murray@arm.com>
parent dbb72e2c

arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi

+24 −0
Original line number Diff line number Diff line
@@ -289,5 +289,29 @@ 
			gpio = <&gpio TEGRA194_MAIN_GPIO(A, 3) GPIO_ACTIVE_HIGH>;

			enable-active-high;

		};



		vdd_3v3_pcie: regulator@2 {

			compatible = "regulator-fixed";

			reg = <2>;



			regulator-name = "PEX_3V3";

			regulator-min-microvolt = <3300000>;

			regulator-max-microvolt = <3300000>;

			gpio = <&gpio TEGRA194_MAIN_GPIO(Z, 2) GPIO_ACTIVE_HIGH>;

			regulator-boot-on;

			enable-active-high;

		};



		vdd_12v_pcie: regulator@3 {

			compatible = "regulator-fixed";

			reg = <3>;



			regulator-name = "VDD_12V";

			regulator-min-microvolt = <1200000>;

			regulator-max-microvolt = <1200000>;

			gpio = <&gpio TEGRA194_MAIN_GPIO(A, 1) GPIO_ACTIVE_LOW>;

			regulator-boot-on;

			enable-active-low;

		};

	};

};

arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts

+3 −1
Original line number Diff line number Diff line
@@ -93,9 +93,11 @@ 
	};



	pcie@141a0000 {

		status = "disabled";

		status = "okay";



		vddio-pex-ctl-supply = <&vdd_1v8ao>;

		vpcie3v3-supply = <&vdd_3v3_pcie>;

		vpcie12v-supply = <&vdd_12v_pcie>;



		phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>,

		       <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>,