Add "identifier" property for DDR Perf which used to identity system pmu.
Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
---
Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt b/Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt
index 7822a806ea0a..ebb9a40094c5 100644
--- a/Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt
+++ b/Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt
@@ -12,6 +12,8 @@ Required properties:
- interrupts: single interrupt
generated by the control block
+- identifier: identify system pmu
+
Example:
ddr-pmu@5c020000 {
@@ -19,4 +21,5 @@ Example:
reg = <0x5c020000 0x10000>;
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
+ identifier = "i.mx8mm";
};
--
2.17.1
