linux-kernel - Re: [PATCH v2 7/7] arm64: dts: qcom: sc7180: Update Q6V5 MSS node

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Message-ID: <20200511192930.GD2166963@builder.lan>
Date:   Mon, 11 May 2020 12:29:30 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Sibi Sankar <sibis@...eaurora.org>
Cc:     robh+dt@...nel.org, agross@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, evgreen@...omium.org,
        ohad@...ery.com, mka@...omium.org, dianders@...omium.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v2 7/7] arm64: dts: qcom: sc7180: Update Q6V5 MSS node

On Tue 21 Apr 07:32 PDT 2020, Sibi Sankar wrote:

> Add TCSR node and update MSS node to support MSA based Modem boot on
> SC7180 SoCs.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
> ---
> 
> V2:
>  * use memory-region to reference mba/mpss regions [Bjorn]
>  * overload the base remoteproc_mpss node wherever possible [Bjorn]
> 
> Depends on the following bindings:
> iommus: https://patchwork.kernel.org/patch/11499603/
> spare-regs: https://patchwork.kernel.org/patch/11491425/
> 
>  arch/arm64/boot/dts/qcom/sc7180-idp.dts |  7 +++++++
>  arch/arm64/boot/dts/qcom/sc7180.dtsi    | 28 +++++++++++++++++++++----
>  2 files changed, 31 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> index 5405cde1a32ef..08f1f04cca734 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> @@ -309,6 +309,13 @@ &qupv3_id_1 {
>  	status = "okay";
>  };
>  
> +&remoteproc_mpss {
> +	status = "okay";
> +	compatible = "qcom,sc7180-mss-pil";
> +	iommus = <&apps_smmu 0x460 0x1>, <&apps_smmu 0x444 0x3>;
> +	memory-region = <&mba_mem &mpss_mem>;
> +};
> +
>  &sdhc_1 {
>  	status = "okay";
>  
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 94cead96eade0..5e2618eb1b7fa 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -932,6 +932,11 @@ tcsr_mutex_regs: syscon@...0000 {
>  			reg = <0 0x01f40000 0 0x40000>;
>  		};
>  
> +		tcsr_regs: syscon@...0000 {
> +			compatible = "syscon";
> +			reg = <0 0x01fc0000 0 0x40000>;
> +		};
> +
>  		tlmm: pinctrl@...0000 {
>  			compatible = "qcom,sc7180-pinctrl";
>  			reg = <0 0x03500000 0 0x300000>,
> @@ -1325,7 +1330,8 @@ pinconf-sd-cd {
>  
>  		remoteproc_mpss: remoteproc@...0000 {
>  			compatible = "qcom,sc7180-mpss-pas";
> -			reg = <0 0x04080000 0 0x4040>;
> +			reg = <0 0x04080000 0 0x4040>, <0 0x04180000 0 0x48>;
> +			reg-names = "qdsp6", "rmb";
>  
>  			interrupts-extended = <&intc GIC_SPI 266 IRQ_TYPE_EDGE_RISING>,
>  					      <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
> @@ -1336,19 +1342,33 @@ remoteproc_mpss: remoteproc@...0000 {
>  			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_Q6_MEMNOC_AXI_CLK>,
> +				 <&gcc GCC_MSS_NAV_AXI_CLK>,
> +				 <&gcc GCC_MSS_SNOC_AXI_CLK>,
> +				 <&gcc GCC_MSS_MFAB_AXIS_CLK>,
> +				 <&rpmhcc RPMH_CXO_CLK>;
> +			clock-names = "iface", "bus", "nav", "snoc_axi",
> +				      "mnoc_axi", "xo";
>  
>  			power-domains = <&aoss_qmp AOSS_QMP_LS_MODEM>,
>  					<&rpmhpd SC7180_CX>,
> +					<&rpmhpd SC7180_MX>,
>  					<&rpmhpd SC7180_MSS>;
> -			power-domain-names = "load_state", "cx", "mss";
> +			power-domain-names = "load_state", "cx", "mx", "mss";
>  
>  			memory-region = <&mpss_mem>;
>  
>  			qcom,smem-states = <&modem_smp2p_out 0>;
>  			qcom,smem-state-names = "stop";
>  
> +			resets = <&aoss_reset AOSS_CC_MSS_RESTART>,
> +				 <&pdc_reset PDC_MODEM_SYNC_RESET>;
> +			reset-names = "mss_restart", "pdc_reset";
> +
> +			qcom,halt-regs = <&tcsr_mutex_regs 0x23000 0x25000 0x24000>;
> +			qcom,spare-regs = <&tcsr_regs 0xb3e4>;
> +
>  			status = "disabled";
>  
>  			glink-edge {
> -- 
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> a Linux Foundation Collaborative Project