From: Vidya Sagar Date: Thu, 21 Jul 2022 14:20:40 +0000 (+0530) Subject: arm64: tegra: Add regulators required for PCIe X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=cd42b26a527f233827bb67231a04a2a9e40eae10;p=linux.git 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: Vidya Sagar Signed-off-by: Thierry Reding --- diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi index 798de9226ba5c..9e4d72cfa69f5 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi @@ -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";