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arm64: dts: mediatek: mt8183-kukui: Couple VGPU and VSRAM_GPU regulators

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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 <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230301095523.428461-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
AngeloGioacchino Del Regno 2023-03-01 10:55:05 +01:00 committed by Matthias Brugger
parent 6ff9453765
commit 2690e80bc2
1 changed files with 10 additions and 1 deletions
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11
arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
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@ -294,7 +294,6 @@ dsi_out: endpoint {
&gpu {
mali-supply = <&mt6358_vgpu_reg>;
sram-supply = <&mt6358_vsram_gpu_reg>;
};
&i2c0 {
@ -401,6 +400,11 @@ &mt6358codec {
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 @@ &mt6358_vsim2_reg {
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 {