Thread (17 messages) 17 messages, 4 authors, 2016-03-01

[PATCH v4 3/5] arm64: dts: Add Cavium ThunderX specific PMU

From: Will Deacon <hidden>
Date: 2016-02-18 17:32:43
Also in: lkml

On Thu, Feb 18, 2016 at 05:50:12PM +0100, Jan Glauber wrote:
Add a compatible string for the Cavium ThunderX PMU.
Stupid question, but is "thunder" the name of the CPU or the SoC or ...?

Whatever we use to describe the PMU, should probably also identify the
CPU uniquely.

Will
quoted hunk ↗ jump to hunk
Signed-off-by: Jan Glauber <redacted>
---
 Documentation/devicetree/bindings/arm/pmu.txt | 1 +
 arch/arm64/boot/dts/cavium/thunder-88xx.dtsi  | 5 +++++
 2 files changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/pmu.txt b/Documentation/devicetree/bindings/arm/pmu.txt
index 5651883..d3999a1 100644
--- a/Documentation/devicetree/bindings/arm/pmu.txt
+++ b/Documentation/devicetree/bindings/arm/pmu.txt
@@ -25,6 +25,7 @@ Required properties:
 	"qcom,scorpion-pmu"
 	"qcom,scorpion-mp-pmu"
 	"qcom,krait-pmu"
+	"cavium,thunder-pmu"
 - interrupts : 1 combined interrupt or 1 per core. If the interrupt is a per-cpu
                interrupt (PPI) then 1 interrupt should be specified.
 
diff --git a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
index 9cb7cf9..2eb9b22 100644
--- a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
+++ b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
@@ -360,6 +360,11 @@
 		             <1 10 0xff01>;
 	};
 
+	pmu {
+		compatible = "cavium,thunder-pmu", "arm,armv8-pmuv3";
+		interrupts = <1 7 4>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
-- 
1.9.1
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