Re: [PATCH v2 05/16] arm64: dts: mediatek: mt8183-evb: Couple VGPU and VSRAM_GPU regulators
flat view
From: Chen-Yu Tsai <wenst@chromium.org>
Date: 2023-02-24 09:54:24
Also in:
linux-devicetree, linux-mediatek, lkml
On Thu, Feb 23, 2023 at 9:43 PM AngeloGioacchino Del Regno [off-list ref] wrote:
quoted hunk ↗ jump to hunk
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_______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel