linux-kernel - [PATCH v6 6/7] arm64: dts: mediatek: add larb support for mt8365 SoC

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Message-Id: <20230207-iommu-support-v6-6-24453c8625b3@baylibre.com>
Date:   Mon, 25 Sep 2023 20:17:40 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     Yong Wu <yong.wu@...iatek.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Alexandre Mergnat <amergnat@...libre.com>
Subject: [PATCH v6 6/7] arm64: dts: mediatek: add larb support for mt8365
 SoC

Local arbiter (LARB) is a component of Smart Multimedia Interface (SMI),
used to help the memory management (IOMMU).
This patch add 4 LARBs and 2 clocks for the larb1 and larb3 support.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
 arch/arm64/boot/dts/mediatek/mt8365.dtsi | 59 ++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
index a03b8c0da68b..afcfa1dd242e 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
@@ -735,12 +735,71 @@ smi_common: smi@...02000 {
 			power-domains = <&spm MT8365_POWER_DOMAIN_MM>;
 		};
 
+		larb0: larb@...03000 {
+			compatible = "mediatek,mt8365-smi-larb",
+				     "mediatek,mt8186-smi-larb";
+			reg = <0 0x14003000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&mmsys CLK_MM_MM_SMI_LARB0>,
+				 <&mmsys CLK_MM_MM_SMI_LARB0>;
+			clock-names = "apb", "smi";
+			power-domains = <&spm MT8365_POWER_DOMAIN_MM>;
+			mediatek,larb-id = <0>;
+		};
+
 		camsys: syscon@...00000 {
 			compatible = "mediatek,mt8365-imgsys", "syscon";
 			reg = <0 0x15000000 0 0x1000>;
 			#clock-cells = <1>;
 		};
 
+		larb2: larb@...01000 {
+			compatible = "mediatek,mt8365-smi-larb",
+				     "mediatek,mt8186-smi-larb";
+			reg = <0 0x15001000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&mmsys CLK_MM_MM_SMI_IMG>,
+				 <&camsys CLK_CAM_LARB2>;
+			clock-names = "apb", "smi";
+			power-domains = <&spm MT8365_POWER_DOMAIN_CAM>;
+			mediatek,larb-id = <2>;
+		};
+
+		vdecsys: syscon@...00000 {
+			compatible = "mediatek,mt8365-vdecsys", "syscon";
+			reg = <0 0x16000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		larb3: larb@...10000 {
+			compatible = "mediatek,mt8365-smi-larb",
+				     "mediatek,mt8186-smi-larb";
+			reg = <0 0x16010000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&vdecsys CLK_VDEC_LARB1>,
+				 <&vdecsys CLK_VDEC_LARB1>;
+			clock-names = "apb", "smi";
+			power-domains = <&spm MT8365_POWER_DOMAIN_VDEC>;
+			mediatek,larb-id = <3>;
+		};
+
+		vencsys: syscon@...00000 {
+			compatible = "mediatek,mt8365-vencsys", "syscon";
+			reg = <0 0x17000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		larb1: larb@...10000 {
+			compatible = "mediatek,mt8365-smi-larb",
+				     "mediatek,mt8186-smi-larb";
+			reg = <0 0x17010000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&vencsys CLK_VENC>, <&vencsys CLK_VENC>;
+			clock-names = "apb", "smi";
+			power-domains = <&spm MT8365_POWER_DOMAIN_VENC>;
+			mediatek,larb-id = <1>;
+		};
+
 		apu: syscon@...20000 {
 			compatible = "mediatek,mt8365-apu", "syscon";
 			reg = <0 0x19020000 0 0x1000>;

-- 
2.25.1