From 169c7531b2c93f7e164e8db5a9edbec524aae5d1 Mon Sep 17 00:00:00 2001 From: Aaron Kling Date: Thu, 8 May 2025 23:24:38 -0500 Subject: [PATCH] arm64: tegra: Enable gpu on P2894 This adds the gpu regulator and enables the gpu node. Signed-off-by: Aaron Kling --- arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi index bbd6ff0564da..991c314163f9 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi @@ -21,6 +21,11 @@ reg = <0x0 0x80000000 0x0 0xc0000000>; }; + gpu@57000000 { + vdd-supply = <&vdd_gpu>; + status = "okay"; + }; + pinmux: pinmux@700008d4 { status = "okay"; pinctrl-names = "boot"; @@ -1831,4 +1836,16 @@ enable-active-high; gpio-open-drain; }; + + vdd_gpu: regulator-vdd-gpu { + compatible = "pwm-regulator"; + pwms = <&pwm 1 8000>; + regulator-name = "VDD_GPU"; + regulator-min-microvolt = <710000>; + regulator-max-microvolt = <1320000>; + enable-gpios = <&pmic 6 GPIO_ACTIVE_HIGH>; + regulator-ramp-delay = <80>; + regulator-enable-ramp-delay = <2000>; + regulator-settling-time-us = <160>; + }; };