[PATCH 5/5] arm64: dts: mediatek: mt8183-kukui: Assign sram supply to mfg_async pd

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Thu Jun 23 03:09:51 PDT 2022


Add a phandle to the MT8183_POWER_DOMAIN_MFG_ASYNC power domain and
assign the GPU VSRAM supply to this in mt8183-kukui: this allows to
keep the sram powered up while the GPU is used.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 4 ++++
 arch/arm64/boot/dts/mediatek/mt8183.dtsi       | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index 89e4358f140a..33f3bf277ce9 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -821,6 +821,10 @@ cros_ec {
 	};
 };
 
+&mfg_async {
+	domain-supply = <&mt6358_vsram_gpu_reg>;
+};
+
 &mfg {
 	domain-supply = <&mt6358_vgpu_reg>;
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 9485c1efc87c..9d32871973a2 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -788,7 +788,7 @@ power-domain at MT8183_POWER_DOMAIN_CONN {
 					#power-domain-cells = <0>;
 				};
 
-				power-domain at MT8183_POWER_DOMAIN_MFG_ASYNC {
+				mfg_async: power-domain at MT8183_POWER_DOMAIN_MFG_ASYNC {
 					reg = <MT8183_POWER_DOMAIN_MFG_ASYNC>;
 					clocks = <&topckgen CLK_TOP_MUX_MFG>;
 					clock-names = "mfg";
-- 
2.35.1




More information about the Linux-mediatek mailing list