[PATCH V3 05/11] arm64: tegra: Add regulators required for PCIe
From: Vidya Sagar <hidden>
Date: 2022-06-29 06:05:28
Also in:
linux-pci, linux-phy, linux-tegra, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add regulator supplies required for PCIe functionality. The supplies include 1.8V, 3.3V and 12V. Signed-off-by: Vidya Sagar <redacted> --- V3: * New patch in this series .../boot/dts/nvidia/tegra234-p3701-0000.dtsi | 24 +++++++++++++++++++ .../boot/dts/nvidia/tegra234-p3737-0000.dtsi | 23 ++++++++++++++++++ 2 files changed, 47 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..d53901ba45f6 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi@@ -6,6 +6,30 @@ model = "NVIDIA Jetson AGX Orin"; compatible = "nvidia,p3701-0000", "nvidia,tegra234"; + fixed-regulators { + compatible = "simple-bus"; + device_type = "fixed-regulators"; + #address-cells = <0x1>; + #size-cells = <0x0>; + + p3701_vdd_1v8_ls: regulator@3 { + compatible = "regulator-fixed"; + reg = <3>; + regulator-name = "vdd-1v8-ls-sw5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + p3701_vdd_AO_1v8: regulator@5 { + compatible = "regulator-fixed"; + reg = <5>; + regulator-name = "vdd-AO-1v8-sw2"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + }; + bus@0 { spi@3270000 { status = "okay";
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
index a85993c85e45..bb503643dd38 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi@@ -2,4 +2,27 @@ / { compatible = "nvidia,p3737-0000"; + + fixed-regulators { + p3737_vdd_3v3_pcie: regulator@105 { + compatible = "regulator-fixed"; + reg = <105>; + regulator-name = "vdd-3v3-pcie"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio TEGRA234_MAIN_GPIO(Z, 2) 0>; + enable-active-high; + regulator-boot-on; + }; + p3737_vdd_12v_pcie: regulator@114 { + compatible = "regulator-fixed"; + reg = <114>; + regulator-name = "vdd-12v-pcie"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + gpio = <&gpio TEGRA234_MAIN_GPIO(A, 1) 1>; + regulator-boot-on; + enable-active-low; + }; + }; };
--
2.17.1