diff mbox series

[v3,17/18] arm64: dts: mediatek: mt8183-pumpkin: Override vgpu/vsram_gpu constraints

Message ID 20230228104741.717819-18-angelogioacchino.delregno@collabora.com (mailing list archive)
State New, archived
Headers show
Series Enable GPU with DVFS support on MediaTek SoCs | expand

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

Chen-Yu Tsai March 1, 2023, 4:54 a.m. UTC | #1 
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 mbox series

Patch

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>;
 };