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Subject[PATCH v4 04/19] arm64: dts: mt8183-pumpkin: Couple VGPU and VSRAM_GPU regulators
Date
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@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
---
arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
index a1d01639df30..c228f04d086b 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
@@ -71,7 +71,6 @@ &auxadc {

&gpu {
mali-supply = <&mt6358_vgpu_reg>;
- sram-supply = <&mt6358_vsram_gpu_reg>;
};

&i2c0 {
@@ -176,6 +175,16 @@ &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
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