From 2690e80bc29e8f1a369e36458b4a72c151178fbc Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Wed, 1 Mar 2023 10:55:05 +0100 Subject: [PATCH] arm64: dts: mediatek: mt8183-kukui: Couple VGPU and VSRAM_GPU regulators Add coupling for these regulators, as they have a strict voltage output relation to satisfy in order to ensure GPU stable operation. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai Tested-by: Chen-Yu Tsai Link: https://lore.kernel.org/r/20230301095523.428461-2-angelogioacchino.delregno@collabora.com Signed-off-by: Matthias Brugger --- arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi index fbe14b13051a6..de9778c85b942 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi @@ -294,7 +294,6 @@ &gpu { mali-supply = <&mt6358_vgpu_reg>; - sram-supply = <&mt6358_vsram_gpu_reg>; }; &i2c0 { @@ -401,6 +400,11 @@ Avdd-supply = <&mt6358_vaud28_reg>; }; +&mt6358_vgpu_reg { + regulator-coupled-with = <&mt6358_vsram_gpu_reg>; + regulator-coupled-max-spread = <100000>; +}; + &mt6358_vsim1_reg { regulator-min-microvolt = <2700000>; regulator-max-microvolt = <2700000>; @@ -411,6 +415,11 @@ regulator-max-microvolt = <2700000>; }; +&mt6358_vsram_gpu_reg { + regulator-coupled-with = <&mt6358_vgpu_reg>; + regulator-coupled-max-spread = <100000>; +}; + &pio { aud_pins_default: audiopins { pins_bus { -- 2.30.2