linux-kernel - Re: [PATCH 4/5] arm64: dts: qcom: x1e80100: Add cpucp mailbox and sram nodes

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Date: Tue, 16 Apr 2024 19:30:26 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Sibi Sankar <quic_sibis@...cinc.com>
Cc: sudeep.holla@....com, cristian.marussi@....com, andersson@...nel.org, 
	konrad.dybcio@...aro.org, jassisinghbrar@...il.com, robh+dt@...nel.org, 
	krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	quic_rgottimu@...cinc.com, quic_kshivnan@...cinc.com, conor+dt@...nel.org, 
	quic_gkohli@...cinc.com, quic_nkela@...cinc.com, quic_psodagud@...cinc.com
Subject: Re: [PATCH 4/5] arm64: dts: qcom: x1e80100: Add cpucp mailbox and
 sram nodes

On Thu, 28 Mar 2024 at 11:52, Sibi Sankar <quic_sibis@...cinc.com> wrote:
>
> Add the cpucp mailbox and sram nodes required by SCMI perf protocol
> on X1E80100 SoCs.
>
> Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/x1e80100.dtsi | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> index 28f65296781d..4e0ec859ed61 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> @@ -4974,6 +4974,13 @@ gic_its: msi-controller@...40000 {
>                         };
>                 };
>
> +               cpucp_mbox: mailbox@...30000 {
> +                       compatible = "qcom,x1e80100-cpucp-mbox";
> +                       reg = <0 0x17430000 0 0x10000>, <0 0x18830000 0 0x10000>;
> +                       interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
> +                       #mbox-cells = <1>;
> +               };
> +
>                 apps_rsc: rsc@...00000 {
>                         compatible = "qcom,rpmh-rsc";
>                         reg = <0 0x17500000 0 0x10000>,
> @@ -5157,6 +5164,25 @@ frame@...0d000 {
>                         };
>                 };
>
> +               sram: sram@...4e000 {
> +                       compatible = "mmio-sram";
> +                       reg = <0x0 0x18b4e000 0x0 0x400>;
> +                       ranges = <0x0 0x0 0x18b4e000 0x400>;
> +
> +                       #address-cells = <1>;
> +                       #size-cells = <1>;
> +
> +                       cpu_scp_lpri0: scmi-shmem@0 {

This doesn't seem to follow the schema.

> +                               compatible = "arm,scmi-shmem";
> +                               reg = <0x0 0x200>;
> +                       };
> +
> +                       cpu_scp_lpri1: scmi-shmem@200 {
> +                               compatible = "arm,scmi-shmem";
> +                               reg = <0x200 0x200>;
> +                       };
> +               };
> +
>                 system-cache-controller@...00000 {
>                         compatible = "qcom,x1e80100-llcc";
>                         reg = <0 0x25000000 0 0x200000>,
> --
> 2.34.1
>
>


-- 
With best wishes
Dmitry