linux-kernel - [PATCH v2 08/10] arm64: dts: mediatek: mt6795: Add ARM CCI-400 node and assign to CPUs

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Date:   Thu,  9 Jun 2022 13:23:01 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     robh+dt@...nel.org
Cc:     krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        konrad.dybcio@...ainline.org, marijn.suijten@...ainline.org,
        martin.botka@...ainline.org, ~postmarketos/upstreaming@...ts.sr.ht,
        phone-devel@...r.kernel.org, paul.bouchara@...ainline.org,
        kernel@...labora.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH v2 08/10] arm64: dts: mediatek: mt6795: Add ARM CCI-400 node and assign to CPUs

This SoC features an ARM CCI-400 IP: add the required node and
assign the cci control ports to the CPU cores.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 arch/arm64/boot/dts/mediatek/mt6795.dtsi | 44 ++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt6795.dtsi b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
index 217d99621558..db1f24b3b9a9 100644
--- a/arch/arm64/boot/dts/mediatek/mt6795.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt6795.dtsi
@@ -34,6 +34,7 @@ cpu0: cpu@0 {
 			compatible = "arm,cortex-a53";
 			enable-method = "psci";
 			reg = <0x000>;
+			cci-control-port = <&cci_control2>;
 			next-level-cache = <&l2_0>;
 		};
 
@@ -42,6 +43,7 @@ cpu1: cpu@1 {
 			compatible = "arm,cortex-a53";
 			enable-method = "psci";
 			reg = <0x001>;
+			cci-control-port = <&cci_control2>;
 			next-level-cache = <&l2_0>;
 		};
 
@@ -50,6 +52,7 @@ cpu2: cpu@2 {
 			compatible = "arm,cortex-a53";
 			enable-method = "psci";
 			reg = <0x002>;
+			cci-control-port = <&cci_control2>;
 			next-level-cache = <&l2_0>;
 		};
 
@@ -58,6 +61,7 @@ cpu3: cpu@3 {
 			compatible = "arm,cortex-a53";
 			enable-method = "psci";
 			reg = <0x003>;
+			cci-control-port = <&cci_control2>;
 			next-level-cache = <&l2_0>;
 		};
 
@@ -66,6 +70,7 @@ cpu4: cpu@100 {
 			compatible = "arm,cortex-a53";
 			enable-method = "psci";
 			reg = <0x100>;
+			cci-control-port = <&cci_control1>;
 			next-level-cache = <&l2_1>;
 		};
 
@@ -74,6 +79,7 @@ cpu5: cpu@101 {
 			compatible = "arm,cortex-a53";
 			enable-method = "psci";
 			reg = <0x101>;
+			cci-control-port = <&cci_control1>;
 			next-level-cache = <&l2_1>;
 		};
 
@@ -82,6 +88,7 @@ cpu6: cpu@102 {
 			compatible = "arm,cortex-a53";
 			enable-method = "psci";
 			reg = <0x102>;
+			cci-control-port = <&cci_control1>;
 			next-level-cache = <&l2_1>;
 		};
 
@@ -90,6 +97,7 @@ cpu7: cpu@103 {
 			compatible = "arm,cortex-a53";
 			enable-method = "psci";
 			reg = <0x103>;
+			cci-control-port = <&cci_control1>;
 			next-level-cache = <&l2_1>;
 		};
 
@@ -226,6 +234,42 @@ gic: interrupt-controller@...21000 {
 			      <0 0x10226000 0 0x2000>;
 		};
 
+		cci: cci@...90000 {
+			compatible = "arm,cci-400";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0 0x10390000 0 0x1000>;
+			ranges = <0 0 0x10390000 0x10000>;
+
+			cci_control0: slave-if@...0 {
+				compatible = "arm,cci-400-ctrl-if";
+				interface-type = "ace-lite";
+				reg = <0x1000 0x1000>;
+			};
+
+			cci_control1: slave-if@...0 {
+				compatible = "arm,cci-400-ctrl-if";
+				interface-type = "ace";
+				reg = <0x4000 0x1000>;
+			};
+
+			cci_control2: slave-if@...0 {
+				compatible = "arm,cci-400-ctrl-if";
+				interface-type = "ace";
+				reg = <0x5000 0x1000>;
+			};
+
+			pmu@...0 {
+				compatible = "arm,cci-400-pmu,r1";
+				reg = <0x9000 0x5000>;
+				interrupts = <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+			};
+		};
+
 		uart0: serial@...02000 {
 			compatible = "mediatek,mt6795-uart",
 				     "mediatek,mt6577-uart";
-- 
2.35.1