[PATCH v4 19/19] arm64: dts: mediatek: mt8183-evb: Override vgpu/vsram_gpu constraints

[AngeloGioacchino Del Regno]

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 at collabora.com>
Suggested-by: Chen-Yu Tsai <wenst at chromium.org>
Reviewed-by: Chen-Yu Tsai <wenst at chromium.org>
---
 arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
index fd327437e932..3e3f4b1b00f0 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
@@ -138,11 +138,17 @@ &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>;
 };
-- 
2.39.2