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arm64: tegra: Add PCIe and DP 3.3V supplies

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Add the 3.3V supplies for PCIe C1 controller and Display Port controller
for the NVIDIA IGX Orin platform.

Signed-off-by: Shubhi Garg <shgarg@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Shubhi Garg 2023-05-31 08:50:52 +00:00 • committed by Thierry Reding
parent 677e0e3a58
commit e78ad9031b
2 changed files with 29 additions and 0 deletions
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1
arch/arm64/boot/dts/nvidia/tegra234-p3740-0002+p3701-0008.dts
View file

@ -88,6 +88,7 @@
pcie@14100000 {
status = "okay";
vddio-pex-ctl-supply = <&vdd_1v8_ao>;
vpcie3v3-supply = <&vdd_3v3_wifi>;
phys = <&p2u_hsio_3>;
phy-names = "p2u-0";
};

28
arch/arm64/boot/dts/nvidia/tegra234-p3740-0002.dtsi
View file

@ -184,4 +184,32 @@
"usb3-0", "usb3-1", "usb3-2";
};
};
vdd_3v3_dp: regulator-vdd-3v3-dp {
compatible = "regulator-fixed";
regulator-name = "VDD_3V3_DP";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vdd_3v3_sys>;
gpio = <&gpio TEGRA234_MAIN_GPIO(H, 6) 0>;
enable-active-high;
regulator-always-on;
};
vdd_3v3_sys: regulator-vdd-3v3-sys {
compatible = "regulator-fixed";
regulator-name = "VDD_3V3_SYS";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
vdd_3v3_wifi: regulator-vdd-3v3-wifi {
compatible = "regulator-fixed";
regulator-name = "VDD_3V3_WIFI";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio TEGRA234_MAIN_GPIO(G, 3) GPIO_ACTIVE_HIGH>;
regulator-boot-on;
enable-active-high;
};
};