Thread (8 messages) 8 messages, 1 author, 2023-08-03
STALE1089d REVIEWED: 2 (2M)

[PATCH v4 5/7] arm64: dts: mediatek: add smi support for mt8365 SoC

From: Alexandre Mergnat <hidden>
Date: 2023-08-03 09:41:33
Also in: linux-arm-kernel, linux-mediatek, lkml
Subsystem: arm/mediatek soc support, the rest · Maintainers: Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds

Smart Multimedia Interface (SMI) local arbiter does the arbitration for
memory requests from multi-media engines. Add SMI in the MT8365 DTS will
allow to add local ARBiter (LARB), use by IOMMU.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Alexandre Mergnat <redacted>
---
 arch/arm64/boot/dts/mediatek/mt8365.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
index c2f88d153dee..a03b8c0da68b 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
@@ -340,16 +340,19 @@ power-domain@MT8365_POWER_DOMAIN_CAM {
 							      "cam-4", "cam-5";
 						#power-domain-cells = <0>;
 						mediatek,infracfg = <&infracfg>;
+						mediatek,smi = <&smi_common>;
 					};
 
 					power-domain@MT8365_POWER_DOMAIN_VDEC {
 						reg = <MT8365_POWER_DOMAIN_VDEC>;
 						#power-domain-cells = <0>;
+						mediatek,smi = <&smi_common>;
 					};
 
 					power-domain@MT8365_POWER_DOMAIN_VENC {
 						reg = <MT8365_POWER_DOMAIN_VENC>;
 						#power-domain-cells = <0>;
+						mediatek,smi = <&smi_common>;
 					};
 
 					power-domain@MT8365_POWER_DOMAIN_APU {
@@ -367,6 +370,7 @@ power-domain@MT8365_POWER_DOMAIN_APU {
 							      "apu-5";
 						#power-domain-cells = <0>;
 						mediatek,infracfg = <&infracfg>;
+						mediatek,smi = <&smi_common>;
 					};
 				};
 
@@ -720,6 +724,17 @@ mmsys: syscon@14000000 {
 			#clock-cells = <1>;
 		};
 
+		smi_common: smi@14002000 {
+			compatible = "mediatek,mt8365-smi-common";
+			reg = <0 0x14002000 0 0x1000>;
+			clocks = <&mmsys CLK_MM_MM_SMI_COMMON>,
+				 <&mmsys CLK_MM_MM_SMI_COMMON>,
+				 <&mmsys CLK_MM_MM_SMI_COMM0>,
+				 <&mmsys CLK_MM_MM_SMI_COMM1>;
+			clock-names = "apb", "smi", "gals0", "gals1";
+			power-domains = <&spm MT8365_POWER_DOMAIN_MM>;
+		};
+
 		camsys: syscon@15000000 {
 			compatible = "mediatek,mt8365-imgsys", "syscon";
 			reg = <0 0x15000000 0 0x1000>;
-- 
2.25.1
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