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@xxxxxxxxxxxxx>
Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index fbe14b13051a..de9778c85b94 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -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 {
--
2.39.2
