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>
---
arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
index 52dc4a50e34d..fd327437e932 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
@@ -52,7 +52,6 @@ &auxadc {
&gpu {
mali-supply = <&mt6358_vgpu_reg>;
- sram-supply = <&mt6358_vsram_gpu_reg>;
};
&i2c0 {
@@ -138,6 +137,16 @@ &mmc1 {
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{
--
2.39.2
