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arm64: dts: mediatek: mt8183-evb: 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/20230301095523.428461-6-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
AngeloGioacchino Del Regno
2023-03-01 10:55:09 +01:00
committed by Matthias Brugger
parent 5dba662177
commit 85ae8a5143
1 changed files with 10 additions and 1 deletions
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11
arch/arm64/boot/dts/mediatek/mt8183-evb.dts
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@@ -52,7 +52,6 @@
&gpu {
mali-supply = <&mt6358_vgpu_reg>;
sram-supply = <&mt6358_vsram_gpu_reg>;
};
&i2c0 {
@@ -138,6 +137,16 @@
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{