Messages in this thread Patch in this message | | | From | AngeloGioacchino Del Regno <> | Subject | [PATCH v3 05/18] arm64: dts: mediatek: mt8183-evb: Couple VGPU and VSRAM_GPU regulators | Date | Tue, 28 Feb 2023 11:47:28 +0100 |
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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> --- 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
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