From aa8ca24cc8e7c105b93b1bf35598f402ca8afd6c Mon Sep 17 00:00:00 2001 From: Diogo Ivo Date: Tue, 16 May 2023 09:28:28 +0100 Subject: [PATCH] arm64: tegra: Add GPU power rail regulator on Smaug Add the GPU power rail regulator node for the Pixel C. Signed-off-by: Diogo Ivo Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts index d7d7c63..8d1ed1e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts @@ -1370,11 +1370,27 @@ maxim,dvs-default-state = <1>; maxim,enable-active-discharge; maxim,enable-bias-control; - maxim,enable-etr; maxim,enable-gpio = <&pmic 5 0>; maxim,externally-enable; }; + max77621_gpu: regulator@1c { + compatible = "maxim,max77621"; + reg = <0x1c>; + interrupt-parent = <&gpio>; + interrupts = ; + regulator-min-microvolt = <840000>; + regulator-max-microvolt = <1150000>; + regulator-name = "PPVAR_GPU"; + regulator-ramp-delay = <12500>; + maxim,dvs-default-state = <1>; + maxim,enable-active-discharge; + maxim,enable-bias-control; + maxim,disable-etr; + maxim,enable-gpio = <&pmic 6 GPIO_ACTIVE_HIGH>; + maxim,externally-enable; + }; + pmic: pmic@3c { compatible = "maxim,max77620"; reg = <0x3c>; -- 2.7.4