linux-kernel - [PATCH v1 1/5] arm64: dts: mt7622: add timer, CCI-400 and PMU nodes

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Date:   Sun, 19 Aug 2018 00:02:24 +0800
From:   Ryder Lee <ryder.lee@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>
CC:     Sean Wang <sean.wang@...iatek.com>,
        Roy Luo <cheng-hao.luo@...iatek.com>,
        Weijie Gao <weijie.gao@...iatek.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Ryder Lee <ryder.lee@...iatek.com>
Subject: [PATCH v1 1/5] arm64: dts: mt7622: add timer, CCI-400 and PMU nodes

Add device tree entries for timer, ARM CCI-400 and its PMU.
Otherwise, we add a cortex-a53-pmu node to enable hw perfevents.

Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
---
change since v1:
- add a pmu node.
---
 arch/arm64/boot/dts/mediatek/mt7622.dtsi | 55 ++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index de2c47bd..d297100 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -79,6 +79,7 @@
 			#cooling-cells = <2>;
 			enable-method = "psci";
 			clock-frequency = <1300000000>;
+			cci-control-port = <&cci_control2>;
 		};
 
 		cpu1: cpu@1 {
@@ -92,6 +93,7 @@
 			#cooling-cells = <2>;
 			enable-method = "psci";
 			clock-frequency = <1300000000>;
+			cci-control-port = <&cci_control2>;
 		};
 	};
 
@@ -113,6 +115,13 @@
 		method      = "smc";
 	};
 
+	pmu {
+		compatible = "arm,cortex-a53-pmu";
+		interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 9 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-affinity = <&cpu0>, <&cpu1>;
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -218,6 +227,16 @@
 		#reset-cells = <1>;
 	};
 
+        timer: timer@...04000 {
+                compatible = "mediatek,mt7622-timer",
+                             "mediatek,mt6577-timer";
+                reg = <0 0x10004000 0 0x80>;
+                interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_LOW>;
+                clocks = <&infracfg CLK_INFRA_APXGPT_PD>,
+                         <&topckgen CLK_TOP_RTC>;
+                clock-names = "system-clk", "rtc-clk";
+        };
+
 	scpsys: scpsys@...06000 {
 		compatible = "mediatek,mt7622-scpsys",
 			     "syscon";
@@ -325,6 +344,42 @@
 		      <0 0x10360000 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>;
+		};
+	};
+
 	auxadc: adc@...01000 {
 		compatible = "mediatek,mt7622-auxadc";
 		reg = <0 0x11001000 0 0x1000>;
-- 
1.9.1