[PATCH 2/2] ARM: dts: meson8b: add the cortex-a5-pmu compatible PMU

Martin Blumenstingl martin.blumenstingl at googlemail.com
Sun Apr 22 03:45:02 PDT 2018


Enable the performance monitor unit on Meson8b.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
---
 arch/arm/boot/dts/meson8b.dtsi | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
index 553b82174604..6cfd7e225cee 100644
--- a/arch/arm/boot/dts/meson8b.dtsi
+++ b/arch/arm/boot/dts/meson8b.dtsi
@@ -55,7 +55,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		cpu at 200 {
+		cpu0: cpu at 200 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a5";
 			next-level-cache = <&L2>;
@@ -64,7 +64,7 @@
 			resets = <&clkc CLKC_RESET_CPU0_SOFT_RESET>;
 		};
 
-		cpu at 201 {
+		cpu1: cpu at 201 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a5";
 			next-level-cache = <&L2>;
@@ -73,7 +73,7 @@
 			resets = <&clkc CLKC_RESET_CPU1_SOFT_RESET>;
 		};
 
-		cpu at 202 {
+		cpu2: cpu at 202 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a5";
 			next-level-cache = <&L2>;
@@ -82,7 +82,7 @@
 			resets = <&clkc CLKC_RESET_CPU2_SOFT_RESET>;
 		};
 
-		cpu at 203 {
+		cpu3: cpu at 203 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a5";
 			next-level-cache = <&L2>;
@@ -92,6 +92,15 @@
 		};
 	};
 
+	pmu {
+		compatible = "arm,cortex-a5-pmu";
+		interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+	};
+
 	reserved-memory {
 		#address-cells = <1>;
 		#size-cells = <1>;
-- 
2.17.0




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