linux-kernel - Re: [PATCH 1/2] ARM: qcom: msm8226: Add rpm-master-stats node

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Message-ID: <5709950.DvuYhMxLoT@z3ntu.xyz>
Date:   Fri, 22 Sep 2023 18:35:31 +0200
From:   Luca Weiss <luca@...tu.xyz>
To:     linux-arm-msm@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Matti Lehtimäki <matti.lehtimaki@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Matti Lehtimäki <matti.lehtimaki@...il.com>
Subject: Re: [PATCH 1/2] ARM: qcom: msm8226: Add rpm-master-stats node

On Freitag, 22. September 2023 02:35:32 CEST Matti Lehtimäki wrote:
> Add rpm-master-stats node for MSM8226 and the required RPM MSG RAM
> slices for memory access.
> 
> Signed-off-by: Matti Lehtimäki <matti.lehtimaki@...il.com>

Makes sense from what I can see in msm-3.10 msm8226-v2-pm.dtsi and the driver 
code.

Reviewed-by: Luca Weiss <luca@...tu.xyz>

> ---
>  arch/arm/boot/dts/qcom/qcom-msm8226.dtsi | 32 ++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
> b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi index 44f3f0127fd7..98cc5ea637e1
> 100644
> --- a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
> +++ b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
> @@ -56,6 +56,18 @@ pmu {
>  	rpm: remoteproc {
>  		compatible = "qcom,msm8226-rpm-proc", "qcom,rpm-proc";
> 
> +		master-stats {
> +			compatible = "qcom,rpm-master-stats";
> +			qcom,rpm-msg-ram = <&apss_master_stats>,
> +					   <&mpss_master_stats>,
> +					   <&lpss_master_stats>,
> +					   <&pronto_master_stats>;
> +			qcom,master-names = "APSS",
> +					    "MPSS",
> +					    "LPSS",
> +					    "PRONTO";
> +		};
> +
>  		smd-edge {
>  			interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
>  			qcom,ipc = <&apcs 8 0>;
> @@ -742,6 +754,26 @@ sram@...90000 {
>  		rpm_msg_ram: sram@...28000 {
>  			compatible = "qcom,rpm-msg-ram";
>  			reg = <0xfc428000 0x4000>;
> +
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges = <0 0xfc428000 0x4000>;
> +
> +			apss_master_stats: sram@150 {
> +				reg = <0x150 0x14>;
> +			};
> +
> +			mpss_master_stats: sram@b50 {
> +				reg = <0xb50 0x14>;
> +			};
> +
> +			lpss_master_stats: sram@...0 {
> +				reg = <0x1550 0x14>;
> +			};
> +
> +			pronto_master_stats: sram@...0 {
> +				reg = <0x1f50 0x14>;
> +			};
>  		};
> 
>  		tcsr_mutex: hwlock@...84000 {