[PATCH v3 04/18] arm64: dts: mt8183-pumpkin: Couple VGPU and VSRAM_GPU regulators
flat view
STALE1316d
From: AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>
Date: 2023-02-28 10:48:10
Also in:
linux-arm-kernel, linux-mediatek, lkml
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
Revision v3 of 4 in this series.
Revisions (4)
- v1 [diff vs current]
- v2 [diff vs current]
- v3 current
- v4 [diff vs current]
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-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