From 5dba6621771d37587c1fe929acde21759e3d56d7 Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Wed, 1 Mar 2023 10:55:08 +0100 Subject: [PATCH] arm64: dts: mt8183-pumpkin: 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/20230301095523.428461-5-angelogioacchino.delregno@collabora.com Signed-off-by: Matthias Brugger --- arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts index a1d01639df30a..c228f04d086bf 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts +++ b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts @@ -71,7 +71,6 @@ &gpu { mali-supply = <&mt6358_vgpu_reg>; - sram-supply = <&mt6358_vsram_gpu_reg>; }; &i2c0 { @@ -176,6 +175,16 @@ non-removable; }; +&mt6358_vgpu_reg { + regulator-coupled-with = <&mt6358_vsram_gpu_reg>; + regulator-coupled-max-spread = <100000>; +}; + +&mt6358_vsram_gpu_reg { + regulator-coupled-with = <&mt6358_vgpu_reg>; + regulator-coupled-max-spread = <100000>; +}; + &pio { i2c_pins_0: i2c0 { pins_i2c{ -- 2.30.2