Messages in this thread | | | From | Chen-Yu Tsai <> | Date | Fri, 24 Feb 2023 17:54:05 +0800 | Subject | Re: [PATCH v2 05/16] arm64: dts: mediatek: mt8183-evb: Couple VGPU and VSRAM_GPU regulators |
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On Thu, Feb 23, 2023 at 9:43 PM AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> wrote: > > 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>;
Should we also fix up the constraints?
ChenYu
> +}; > + > &pio { > i2c_pins_0: i2c0{ > pins_i2c{ > -- > 2.39.2 >
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