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

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Message-ID: <aUOnXKItwKtRapm/@yuanjiey.ap.qualcomm.com>
Date: Thu, 18 Dec 2025 15:03:56 +0800
From: yuanjiey <yuanjie.yang@....qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        tingwei.zhang@....qualcomm.com
Subject: Re: [PATCH] arm64: dts: qcom: talos: Add PMU support

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@....qualcomm.com>
> > 
> > Add the PMU node for talos platforms.
> > 
> > Signed-off-by: Yuanjie Yang <yuanjie.yang@....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";