[PATCH v3 01/18] arm64: dts: mediatek: mt8183-kukui: Couple VGPU and VSRAM_GPU regulators
STALE1313d
REVIEWED: 1 (1M)
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2023-02-28 10:47:59
Also in:
linux-devicetree, 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; 1 review trailer.
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> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> --- arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index fbe14b13051a..de9778c85b94 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi@@ -294,7 +294,6 @@ dsi_out: endpoint { &gpu { mali-supply = <&mt6358_vgpu_reg>; - sram-supply = <&mt6358_vsram_gpu_reg>; }; &i2c0 {
@@ -401,6 +400,11 @@ &mt6358codec { Avdd-supply = <&mt6358_vaud28_reg>; }; +&mt6358_vgpu_reg { + regulator-coupled-with = <&mt6358_vsram_gpu_reg>; + regulator-coupled-max-spread = <100000>; +}; + &mt6358_vsim1_reg { regulator-min-microvolt = <2700000>; regulator-max-microvolt = <2700000>;
@@ -411,6 +415,11 @@ &mt6358_vsim2_reg { regulator-max-microvolt = <2700000>; }; +&mt6358_vsram_gpu_reg { + regulator-coupled-with = <&mt6358_vgpu_reg>; + regulator-coupled-max-spread = <100000>; +}; + &pio { aud_pins_default: audiopins { pins_bus {
--
2.39.2
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