linux-kernel - Re: [PATCH] arm64: dts: qcom: sc7280: Add WPSS remoteproc node

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Date:   Mon, 15 Mar 2021 19:24:50 +0530
From:   Sibi Sankar <sibis@...eaurora.org>
To:     Rakesh Pillai <pillair@...eaurora.org>
Cc:     agross@...nel.org, bjorn.andersson@...aro.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sc7280: Add WPSS remoteproc node

On 2021-03-10 13:07, Rakesh Pillai wrote:
> Add the WPSS remoteproc node in dts for
> PIL loading.
> 
> Signed-off-by: Rakesh Pillai <pillair@...eaurora.org>
> ---
> - This change is dependent on the below patch series
> 1) https://lore.kernel.org/patchwork/project/lkml/list/?series=487403
> 2) https://lore.kernel.org/patchwork/project/lkml/list/?series=488365
> ---
>  arch/arm64/boot/dts/qcom/sc7280-idp.dts |  4 +++
>  arch/arm64/boot/dts/qcom/sc7280.dtsi    | 47 
> +++++++++++++++++++++++++++++++++
>  2 files changed, 51 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> index 950ecb2..603f56b 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> @@ -26,6 +26,10 @@
>  	status = "okay";
>  };
> 
> +&remoteproc_wpss {
> +	status = "okay";
> +};
> +
>  &uart5 {
>  	status = "okay";
>  };
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 8af6d77..26dd466 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -53,6 +53,16 @@
>  			no-map;
>  			reg = <0x0 0x80b00000 0x0 0x100000>;
>  		};
> +
> +		wlan_fw_mem: memory@...00000 {
> +			no-map;
> +			reg = <0x0 0x80c00000 0x0 0xc00000>;
> +		};
> +
> +		wpss_mem: memory@...00000 {
> +			no-map;
> +			reg = <0x0 0x9ae00000 0x0 0x1900000>;
> +		};

The wpss mem shouldn't move into
board specific dt.

>  	};
> 
>  	cpus {
> @@ -305,6 +315,43 @@
>  			};
>  		};
> 
> +		remoteproc_wpss: remoteproc@...0000 {
> +			compatible = "qcom,sc7280-wpss-pil";

please aim to add pas based
support to boot wpss as well.

> +			reg = <0 0x08a00000 0 0x10000>;
> +
> +			interrupts-extended = <&intc GIC_SPI 587 IRQ_TYPE_EDGE_RISING>,
> +					      <&wpss_smp2p_in 0 0>,
> +					      <&wpss_smp2p_in 1 0>,
> +					      <&wpss_smp2p_in 2 0>,
> +					      <&wpss_smp2p_in 3 0>,
> +					      <&wpss_smp2p_in 7 0>;
> +			interrupt-names = "wdog", "fatal", "ready", "handover",
> +					  "stop-ack", "shutdown-ack";
> +
> +			memory-region = <&wpss_mem>;
> +

looks like you missed adding clocks
and power-domains mentioned in the
bindings.

> +			qcom,smem-states = <&wpss_smp2p_out 0>;
> +			qcom,smem-state-names = "stop";
> +
> +			resets = <&aoss_reset AOSS_CC_WCSS_RESTART>;
> +			reset-names = "restart";
> +
> +			qcom,halt-regs = <&tcsr_mutex_regs 0x37000>;
> +
> +			status = "disabled";
> +
> +			glink-edge {
> +				interrupts-extended = <&ipcc IPCC_CLIENT_WPSS
> +							     IPCC_MPROC_SIGNAL_GLINK_QMP
> +							     IRQ_TYPE_EDGE_RISING>;
> +				mboxes = <&ipcc IPCC_CLIENT_WPSS
> +						IPCC_MPROC_SIGNAL_GLINK_QMP>;
> +
> +				label = "wpss";
> +				qcom,remote-pid = <13>;
> +			};
> +		};
> +
>  		pdc: interrupt-controller@...0000 {
>  			compatible = "qcom,sc7280-pdc", "qcom,pdc";
>  			reg = <0 0x0b220000 0 0x30000>;

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