From cc4cd8a3c6c70b992c4c33b2db76d1e389ad1663 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. Change-Id: I7d9580967edf9af4c31d500608f880eeb9d1e0b5 Signed-off-by: Aaron Kling --- .../arm64/boot/dts/nvidia/tegra210-p2894.dtsi | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi index d7077f56c29f..89e109319cac 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2894.dtsi @@ -20,6 +20,11 @@ reg = <0x0 0x80000000 0x0 0xc0000000>; }; + gpu@57000000 { + vdd-supply = <&vdd_gpu>; + status = "okay"; + }; + pinmux: pinmux@700008d4 { status = "okay"; pinctrl-names = "boot"; @@ -1325,6 +1330,10 @@ status = "okay"; }; + pwm@7000a000 { + status = "okay"; + }; + i2c@7000d000 { status = "okay"; clock-frequency = <400000>; @@ -1830,4 +1839,16 @@ 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>; + }; };