[v3,17/18] arm64: dts: mediatek: mt8183-pumpkin: Override vgpu/vsram_gpu constraints
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From: AngeloGioacchino Del Regno
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Subject: [PATCH v3 17/18] arm64: dts: mediatek: mt8183-pumpkin: Override
vgpu/vsram_gpu constraints
Date: Tue, 28 Feb 2023 11:47:40 +0100
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Enable GPU with DVFS support on MediaTek SoCs
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Commit Message
AngeloGioacchino Del Regno
Feb. 28, 2023, 10:47 a.m. UTC
Override the PMIC-default voltage constraints for VGPU and VSRAM_GPU
with the platform specific vmin/vmax for the highest possible SoC
binning.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Suggested-by: Chen-Yu Tsai <wenst@chromium.org>
---
arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts | 6 ++++++
1 file changed, 6 insertions(+)
Comments
On Tue, Feb 28, 2023 at 6:48 PM AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> wrote: > > Override the PMIC-default voltage constraints for VGPU and VSRAM_GPU > with the platform specific vmin/vmax for the highest possible SoC > binning. > > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> > Suggested-by: Chen-Yu Tsai <wenst@chromium.org> Chen-Yu Tsai <wenst@chromium.org>
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts index c228f04d086b..526bcae7a3f8 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts +++ b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts @@ -176,11 +176,17 @@ &mmc1 { }; &mt6358_vgpu_reg { + regulator-min-microvolt = <625000>; + regulator-max-microvolt = <900000>; + regulator-coupled-with = <&mt6358_vsram_gpu_reg>; regulator-coupled-max-spread = <100000>; }; &mt6358_vsram_gpu_reg { + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1000000>; + regulator-coupled-with = <&mt6358_vgpu_reg>; regulator-coupled-max-spread = <100000>; };