linux-kernel - Re: [PATCH v2 2/2] arm64: dts: qcom: sa8775p: Add IMEM and PIL info region

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Message-ID: <1e06ec86-8dff-41ea-f35c-3cf765ce54a2@quicinc.com>
Date: Fri, 31 May 2024 20:10:48 +0530
From: Mukesh Ojha <quic_mojha@...cinc.com>
To: Tengfei Fan <quic_tengfan@...cinc.com>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_kbajaj@...cinc.com>,
        <kernel@...cinc.com>
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: sa8775p: Add IMEM and PIL info
 region



On 5/31/2024 3:05 PM, Tengfei Fan wrote:
> Add a simple-mfd representing IMEM on SA8775p and define the PIL
> relocation info region, so that post mortem tools will be able
> to locate the loaded remoteprocs.
> 
> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
> ---
>   arch/arm64/boot/dts/qcom/sa8775p.dtsi | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> index eae0de9720b5..89496728d840 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> @@ -3044,6 +3044,20 @@ tlmm: pinctrl@...0000 {
>   			wakeup-parent = <&pdc>;
>   		};
>   
> +		sram: sram@...d8000 {
> +			compatible = "qcom,sa8775p-imem", "syscon", "simple-mfd";
> +			reg = <0x0 0x146d8000 0x0 0x1000>;
> +			ranges = <0x0 0x0 0x146d8000 0x1000>;
> +
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +
> +			pil-reloc@94c {
> +				compatible = "qcom,pil-reloc-info";
> +				reg = <0x94c 0xc8>;
> +			};
> +		};
> +

Reviewed-by: Mukesh Ojha <quic_mojha@...cinc.com>

-Mukesh