From 381fdbc5a5cfa18c03756ad1172c6e9ddcc50f17 Mon Sep 17 00:00:00 2001 From: Aaron Kling Date: Mon, 21 Apr 2025 15:22:17 -0500 Subject: [PATCH] arm64: tegra: Enable gpu on P2530 This adds the gpu regulator and enables the gpu node. Change-Id: I8a0f580fa600d8f37fb3fa497cf657abf2905d5f Signed-off-by: Aaron Kling --- arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi index b4729e534c0e..af12726a325a 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi @@ -22,6 +22,11 @@ reg = <0x0 0x80000000 0x0 0xc0000000>; }; + gpu@57000000 { + vdd-supply = <&vdd_gpu>; + status = "okay"; + }; + /* debug port */ serial@70006000 { /delete-property/ dmas; @@ -305,4 +310,15 @@ compatible = "arm,psci-0.2"; method = "smc"; }; + + 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 = <160>; + regulator-enable-ramp-delay = <2000>; + }; };