Re: [PATCH 9/9] arm64: dts: qcom: sc7280: Update Q6V5 MSS node

From: Matthias Kaehlcke <mka@chromium.org>
To: Sibi Sankar <sibis@codeaurora.org>
Cc: bjorn.andersson@linaro.org, robh+dt@kernel.org, will@kernel.org,
	saiprakash.ranjan@codeaurora.org, ohad@wizery.com,
	agross@kernel.org, mathieu.poirier@linaro.org,
	robin.murphy@arm.com, joro@8bytes.org, p.zabel@pengutronix.de,
	linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, evgreen@chromium.org,
	dianders@chromium.org, swboyd@chromium.org
Subject: Re: [PATCH 9/9] arm64: dts: qcom: sc7280: Update Q6V5 MSS node
Date: Mon, 28 Jun 2021 12:05:14 -0700	[thread overview]
Message-ID: <YNodaqE9n9+sQUFq@google.com> (raw)
In-Reply-To: <1624564058-24095-10-git-send-email-sibis@codeaurora.org>

On Fri, Jun 25, 2021 at 01:17:38AM +0530, Sibi Sankar wrote:
> Update MSS node to support MSA based modem boot on SC7280 SoCs.
> 
> Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7280-idp.dts |  7 +++++++
>  arch/arm64/boot/dts/qcom/sc7280.dtsi    | 19 ++++++++++++++++---
>  2 files changed, 23 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> index 191e8a92d153..d66e3ca42ad5 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> @@ -343,3 +343,10 @@
>  		bias-pull-up;
>  	};
>  };
> +
> +&remoteproc_mpss {
> +	status = "okay";
> +	compatible = "qcom,sc7280-mss-pil";
> +	iommus = <&apps_smmu 0x124 0x0>, <&apps_smmu 0x488 0x7>;
> +	memory-region = <&mba_mem &mpss_mem>;
> +};
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 56ea172f641f..6d3687744440 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -586,7 +586,8 @@
>  
>  		remoteproc_mpss: remoteproc@4080000 {
>  			compatible = "qcom,sc7280-mpss-pas";
> -			reg = <0 0x04080000 0 0x10000>;
> +			reg = <0 0x04080000 0 0x10000>, <0 0x04180000 0 0x48>;
> +			reg-names = "qdsp6", "rmb";

Binding needs update?

Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml:

  reg:
      maxItems: 1

>  
>  			interrupts-extended = <&intc GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
>  					      <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
> @@ -597,8 +598,11 @@
>  			interrupt-names = "wdog", "fatal", "ready", "handover",
>  					  "stop-ack", "shutdown-ack";
>  
> -			clocks = <&rpmhcc RPMH_CXO_CLK>;
> -			clock-names = "xo";
> +			clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
> +				 <&gcc GCC_MSS_OFFLINE_AXI_CLK>,
> +				 <&gcc GCC_MSS_SNOC_AXI_CLK>,
> +				 <&rpmhcc RPMH_CXO_CLK>;
> +			clock-names = "iface", "offline", "snoc_axi", "xo";

Binding needs update?

Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml:

  clocks:
    items:
      - description: XO clock
  clock-names:
    items:
      - const: xo