ARM: dt: Add ARM PMU to tegra*.dtsi

This enables HW performance measurements, and usage of the "perf" tool.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 3195ad5562d34b6a1dfb0db5fa546a93a1150ad2..d2bc7e7ad06df7f6d1073b7812ee69d2d1c26412 100644 (file)
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -17,6 +17,12 @@
                      < 0x50040100 0x0100 >;
        };
 
+       pmu {
+               compatible = "arm,cortex-a9-pmu";
+               interrupts = <0 56 0x04
+                             0 57 0x04>;
+       };
+
        apbdma: dma@6000a000 {
                compatible = "nvidia,tegra20-apbdma";
                reg = <0x6000a000 0x1200>;

diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index fd25e8e9ffd9b648da6af6ef0edc963ce047e5bd..e957051f86455a8ef6cb9b59cc4f48e1cdb3d9f1 100644 (file)
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -17,6 +17,14 @@
                      < 0x50040100 0x0100 >;
        };
 
+       pmu {
+               compatible = "arm,cortex-a9-pmu";
+               interrupts = <0 144 0x04
+                             0 145 0x04
+                             0 146 0x04
+                             0 147 0x04>;
+       };
+
        apbdma: dma@6000a000 {
                compatible = "nvidia,tegra30-apbdma", "nvidia,tegra20-apbdma";
                reg = <0x6000a000 0x1400>;