linux-kernel - RE: [PATCH v3] arm64: dts: qcom: sc7280: Add WPSS remoteproc node

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Message-ID: <001001d7ab9a$ad6e9de0$084bd9a0$@codeaurora.org>
Date:   Fri, 17 Sep 2021 13:34:39 +0530
From:   <pillair@...eaurora.org>
To:     "'Stephen Boyd'" <swboyd@...omium.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>, <kuabhs@...omium.org>
Subject: RE: [PATCH v3] arm64: dts: qcom: sc7280: Add WPSS remoteproc node



> -----Original Message-----
> From: Stephen Boyd <swboyd@...omium.org>
> Sent: Friday, September 17, 2021 6:25 AM
> 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;
> kuabhs@...omium.org
> Subject: Re: [PATCH v3] arm64: dts: qcom: sc7280: Add WPSS remoteproc
> node
> 
> Quoting Rakesh Pillai (2021-09-16 09:52:01)
> > diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> > b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> > index 64fc22a..2b8bbcd 100644
> > --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> > +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
> > @@ -1423,6 +1433,59 @@
> >                         #power-domain-cells = <1>;
> >                 };
> >
> > +               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_EDGE_RISING>,
> > +                                             <&wpss_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
> > +                                             <&wpss_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
> > +                                             <&wpss_smp2p_in 3 IRQ_TYPE_EDGE_RISING>,
> > +                                             <&wpss_smp2p_in 7 IRQ_TYPE_EDGE_RISING>;
> > +                       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";
> > +
> > +                       power-domains = <&rpmhpd SC7280_CX>,
> > +                                       <&rpmhpd SC7280_MX>;
> > +                       power-domain-names = "cx", "mx";
> > +
> > +                       memory-region = <&wpss_mem>;
> > +
> > +                       qcom,qmp = <&aoss_qmp>;
> > +
> > +                       qcom,smem-states = <&wpss_smp2p_out 0>;
> > +                       qcom,smem-state-names = "stop";
> > +
> > +                       resets = <&aoss_reset AOSS_CC_WCSS_RESTART>,
> > +                                <&pdc_reset PDC_WPSS_SYNC_RESET>;
> > +                       reset-names = "restart", "pdc_sync";
> > +
> > +                       qcom,halt-regs = <&tcsr_mutex_regs 0x37000>;
> 
> Where is this node defined? I don't see it on the mailing list for sc7280. Can
> you indicate what patches this depends on, and use git format-patch --base=
> so we can try to find them ourselves.

Hi Stephen,
My bad, it shud be "tcsr_mutex" instead of "tcsr_mutex_regs".
I will correct it and send v4.