linux-kernel - Re: [PATCH v2] arm64: dts: qcom: sc7280: Add WPSS remoteproc node

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Date:   Tue, 10 Aug 2021 12:51:43 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Rakesh Pillai <pillair@...eaurora.org>, agross@...nel.org,
        bjorn.andersson@...aro.org, robh+dt@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, sibis@...eaurora.org,
        mpubbise@...eaurora.org
Subject: Re: [PATCH v2] arm64: dts: qcom: sc7280: Add WPSS remoteproc node

Quoting Rakesh Pillai (2021-08-10 11:11:29)
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 53a21d0..41a7826 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -74,6 +74,16 @@
>                         reg = <0 0x8b700000 0 0x10000>;
>                         no-map;
>                 };
> +
> +               wlan_fw_mem: memory@...00000 {
> +                       no-map;
> +                       reg = <0x0 0x80c00000 0x0 0xc00000>;
> +               };

Please try to keep this sorted by reg address. 80c00000 comes before
8b700000.

> +
> +               wpss_mem: memory@...00000 {
> +                       no-map;
> +                       reg = <0x0 0x9ae00000 0x0 0x1900000>;
> +               };
>         };
>
>         cpus {
> @@ -1270,6 +1280,53 @@
>                         };
>                 };
>
> +               remoteproc_wpss: remoteproc@...0000 {
> +                       compatible = "qcom,sc7280-wpss-pil";
> +                       reg = <0 0x08a00000 0 0x10000>;
> +
> +                       interrupts-extended = <&intc GIC_SPI 587 IRQ_TYPE_EDGE_RISING>,
> +                                             <&wpss_smp2p_in 0 IRQ_TYPE_NONE>,
> +                                             <&wpss_smp2p_in 1 IRQ_TYPE_NONE>,
> +                                             <&wpss_smp2p_in 2 IRQ_TYPE_NONE>,
> +                                             <&wpss_smp2p_in 3 IRQ_TYPE_NONE>,
> +                                             <&wpss_smp2p_in 7 IRQ_TYPE_NONE>;

Is this IRQ_TYPE_EDGE_RISING? Please add some type of edge or level flag.

> +                       interrupt-names = "wdog", "fatal", "ready", "handover",
> +                                         "stop-ack", "shutdown-ack";
> +
> +                       clocks = <&gcc GCC_WPSS_AHB_BDG_MST_CLK>,
> +                                <&gcc GCC_WPSS_AHB_CLK>,
> +                                <&gcc GCC_WPSS_RSCP_CLK>,
> +                                <&rpmhcc RPMH_CXO_CLK>;
> +                       clock-names = "gcc_wpss_ahb_bdg_mst_clk",
> +                                     "gcc_wpss_ahb_clk",
> +                                     "gcc_wpss_rscp_clk",
> +                                     "xo";
> +
> +                       memory-region = <&wpss_mem>;
> +
> +                       qcom,smem-states = <&wpss_smp2p_out 0>;