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| Started by | Mark Rutland <mark.rutland@arm.com> |
|---|---|
| First post | 2015-07-15 11:40 +0200 |
| Last post | 2015-07-17 10:00 +0200 |
| Articles | 2 — 2 participants |
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Re: [RESEND PATCH v3] ARM: tegra124: pmu support Mark Rutland <mark.rutland@arm.com> - 2015-07-15 11:40 +0200
Re: [RESEND PATCH v3] ARM: tegra124: pmu support Jon Hunter <jonathanh@nvidia.com> - 2015-07-17 10:00 +0200
| From | Mark Rutland <mark.rutland@arm.com> |
|---|---|
| Date | 2015-07-15 11:40 +0200 |
| Subject | Re: [RESEND PATCH v3] ARM: tegra124: pmu support |
| Message-ID | <pMrkt-3up-5@gated-at.bofh.it> |
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@kylehuey.com>
This looks sane to me, and as you've tested it the values seem to be
valid:
Acked-by: Mark Rutland <mark.rutland@arm.com>
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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| From | Jon Hunter <jonathanh@nvidia.com> |
|---|---|
| Date | 2015-07-17 10:00 +0200 |
| Message-ID | <pN8IP-7Cv-7@gated-at.bofh.it> |
| In reply to | #1184506 |
On 15/07/15 10:35, Mark Rutland wrote:
> 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@kylehuey.com>
>
> This looks sane to me, and as you've tested it the values seem to be
> valid:
>
> Acked-by: Mark Rutland <mark.rutland@arm.com>
FWIW ...
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Stephen, Thierry, Alex,
Can we pick this up now?
Jon
>> ---
>> 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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