Add regulator supplies required for PCIe functionality. The supplies include 1.8V, 3.3V and 12V. Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx> --- V5: * None V4: * Addressed review comments from Krzysztof * Moved all regulator definitions to tegra234-p3701-0000.dtsi file V3: * New patch in this series .../boot/dts/nvidia/tegra234-p3701-0000.dtsi | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi index 798de9226ba5..9e4d72cfa69f 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"; -- 2.34.1