This patch modifies the device tree for tegra124 based devices to enable the 
Cortex A15 PMU.  The interrupt numbers are taken from NVIDIA TRM 
DP-06905-001_v03p.  This patch was tested on a Jetson TK1.

Signed-off-by: Kyle Huey <kh...@kylehuey.com>
---
 arch/arm/boot/dts/tegra124.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 4be06c6..d966d4e 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -906,16 +906,24 @@
 
                cpu@3 {
                        device_type = "cpu";
                        compatible = "arm,cortex-a15";
                        reg = <3>;
                };
        };
 
+       pmu {
+               compatible = "arm,cortex-a15-pmu";
+               interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
        thermal-zones {
                cpu {
                        polling-delay-passive = <1000>;
                        polling-delay = <1000>;
 
                        thermal-sensors =
                                <&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>;
                };
-- 
1.9.1

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