diff options
| author | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2023-03-01 10:55:09 +0100 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2023-03-30 09:47:07 +0200 |
| commit | 85ae8a51437e8ff1d08b266129bddd0561c1bdfe (patch) | |
| tree | 44299cd5e5da7bc3eb9ba4ad3a6bb19c4c8dca9b | |
| parent | 5dba6621771d37587c1fe929acde21759e3d56d7 (diff) | |
arm64: dts: mediatek: mt8183-evb: Couple VGPU and VSRAM_GPU regulators
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>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230301095523.428461-6-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 11 |
1 files changed, 10 insertions, 1 deletions
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 @@ &gpu { mali-supply = <&mt6358_vgpu_reg>; - sram-supply = <&mt6358_vsram_gpu_reg>; }; &i2c0 { @@ -138,6 +137,16 @@ 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{ |