Thread (7 messages) flat view 7 messages, 2 authors, 2017-03-10
STALE3470d

[PATCH v2 5/5] arm64: dts: r8a7796: Add Cortex-A53 PMU node

From: geert+renesas@glider.be (Geert Uytterhoeven)
Date: 2017-03-07 18:03:26
Also in: linux-renesas-soc
Subsystem: arm/risc-v/renesas architecture, the rest · Maintainers: Geert Uytterhoeven, Magnus Damm, Linus Torvalds

Enable the performance monitor unit for the Cortex-A53 cores on the
R8A7796 SoC.

Extracted from a patch by Takeshi Kihara in the BSP.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
v2:
  - New.
---
 arch/arm64/boot/dts/renesas/r8a7796.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
index b32a180009dd10cc..a90abf14dc4e7c79 100644
--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -303,6 +303,18 @@
 					     <&a57_1>;
 		};
 
+		pmu_a53 {
+			compatible = "arm,cortex-a53-pmu";
+			interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-affinity = <&a53_0>,
+					     <&a53_1>,
+					     <&a53_2>,
+					     <&a53_3>;
+		};
+
 		cpg: clock-controller at e6150000 {
 			compatible = "renesas,r8a7796-cpg-mssr";
 			reg = <0 0xe6150000 0 0x1000>;
-- 
2.7.4
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