arm64: dts: qcom: talos: Add PMU support

[PATCH] arm64: dts: qcom: talos: Add PMU support

Posted by yuanjie yang 1 month, 3 weeks ago

From: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>

Add the PMU node for talos platforms.

Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/talos.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
index 95d26e313622..3ba1e3c1d1d7 100644
--- a/arch/arm64/boot/dts/qcom/talos.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos.dtsi
@@ -555,6 +555,16 @@ opp-128000000 {
 		};
 	};
 
+	pmu-a55 {
+		compatible = "arm,cortex-a55-pmu";
+		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	pmu-a76 {
+		compatible = "arm,cortex-a76-pmu";
+		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
-- 
2.34.1

Re: [PATCH] arm64: dts: qcom: talos: Add PMU support

Posted by Konrad Dybcio 1 month, 3 weeks ago

On 12/17/25 10:20 AM, yuanjie yang wrote:
> From: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>
> 
> Add the PMU node for talos platforms.
> 
> Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>
> ---

Check out:

9ce52e908bd5 ("arm64: dts: qcom: sm8650: switch to interrupt-cells 4 to add PPI partitions")
2c06e0797c32 ("arm64: dts: qcom: sm8650: add PPI interrupt partitions for the ARM PMUs")

You'll have to do the same since the interrupt is shared

Konrad

>  arch/arm64/boot/dts/qcom/talos.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
> index 95d26e313622..3ba1e3c1d1d7 100644
> --- a/arch/arm64/boot/dts/qcom/talos.dtsi
> +++ b/arch/arm64/boot/dts/qcom/talos.dtsi
> @@ -555,6 +555,16 @@ opp-128000000 {
>  		};
>  	};
>  
> +	pmu-a55 {
> +		compatible = "arm,cortex-a55-pmu";
> +		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
> +	};
> +
> +	pmu-a76 {
> +		compatible = "arm,cortex-a76-pmu";
> +		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
> +	};
> +
>  	psci {
>  		compatible = "arm,psci-1.0";
>  		method = "smc";

Re: [PATCH] arm64: dts: qcom: talos: Add PMU support

Posted by yuanjiey 1 month, 3 weeks ago

On Wed, Dec 17, 2025 at 11:07:17AM +0100, Konrad Dybcio wrote:
> On 12/17/25 10:20 AM, yuanjie yang wrote:
> > From: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>
> > 
> > Add the PMU node for talos platforms.
> > 
> > Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>
> > ---
> 
> Check out:
> 
> 9ce52e908bd5 ("arm64: dts: qcom: sm8650: switch to interrupt-cells 4 to add PPI partitions")
> 2c06e0797c32 ("arm64: dts: qcom: sm8650: add PPI interrupt partitions for the ARM PMUs")
> 
> You'll have to do the same since the interrupt is shared

Get it, will add interrupt-cells 4 add PPI partitions in next patch.

Thanks,
Yuanjie
> Konrad
> 
> >  arch/arm64/boot/dts/qcom/talos.dtsi | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
> > index 95d26e313622..3ba1e3c1d1d7 100644
> > --- a/arch/arm64/boot/dts/qcom/talos.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/talos.dtsi
> > @@ -555,6 +555,16 @@ opp-128000000 {
> >  		};
> >  	};
> >  
> > +	pmu-a55 {
> > +		compatible = "arm,cortex-a55-pmu";
> > +		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
> > +	};
> > +
> > +	pmu-a76 {
> > +		compatible = "arm,cortex-a76-pmu";
> > +		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
> > +	};
> > +
> >  	psci {
> >  		compatible = "arm,psci-1.0";
> >  		method = "smc";