Re: [PATCH] arm: bcm2835: Add the PMU to the devicetree.

[Peter Robinson]

On Thu, May 17, 2018 at 2:17 PM, Eric Anholt <eric@xxxxxxxxxx> wrote:
> The a53 and a7 counters seem to match up, so we advertise a7 so that
> arm32 can probe.
>
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
Tested-by: Peter Robinson <pbrobinson@xxxxxxxxx>

We've carried the same/equiv patch in Fedora for a while with no issues.

Peter

> ---
>  arch/arm/boot/dts/bcm2837.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
> index 7704bb029605..1f5e5c782835 100644
> --- a/arch/arm/boot/dts/bcm2837.dtsi
> +++ b/arch/arm/boot/dts/bcm2837.dtsi
> @@ -17,6 +17,12 @@
>                 };
>         };
>
> +       arm-pmu {
> +               compatible = "arm,cortex-a53-pmu", "arm,cortex-a7-pmu";
> +               interrupt-parent = <&local_intc>;
> +               interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
> +       };
> +
>         timer {
>                 compatible = "arm,armv7-timer";
>                 interrupt-parent = <&local_intc>;
> --
> 2.17.0
>
>
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