On Mon, Jul 13, 2015 at 06:35:45PM +0100, Kyle Huey wrote:
> 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.
>
> Updated for proper ordering and to add interrupt-affinity values.
>
> Signed-off-by: Kyle Huey <khuey@xxxxxxxxxxxx>
This looks sane to me, and as you've tested it the values seem to be
valid:
Acked-by: Mark Rutland <mark.rutland@xxxxxxx>
Mark.
> ---
> arch/arm/boot/dts/tegra124.dtsi | 17 +++++++++++++----
> 1 file changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
> index 13cc7ca..de07d7e 100644
> --- a/arch/arm/boot/dts/tegra124.dtsi
> +++ b/arch/arm/boot/dts/tegra124.dtsi
> @@ -918,31 +918,40 @@
> #address-cells = <1>;
> #size-cells = <0>;
>
> - cpu@0 {
> + A15_0: cpu@0 {
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> reg = <0>;
> };
>
> - cpu@1 {
> + A15_1: cpu@1 {
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> reg = <1>;
> };
>
> - cpu@2 {
> + A15_2: cpu@2 {
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> reg = <2>;
> };
>
> - cpu@3 {
> + A15_3: 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>;
> + interrupt-affinity = <&A15_0>, <&A15_1>, <&A15_2>, <&A15_3>;
> + };
> +
> thermal-zones {
> cpu {
> polling-delay-passive = <1000>;
> --
> 1.9.1
>
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