linux-kernel - Re: [PATCH v2 10/10] arm64: dts: qcom: sc7280: Update Q6V5 MSS node

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Message-ID: <CAE-0n53bRGouiycpcukPYB_+Gyz_Dr=rCAnb2MH64=+Q899aOA@mail.gmail.com>
Date:   Wed, 21 Jul 2021 05:47:40 +0000
From:   Stephen Boyd <swboyd@...omium.org>
To:     Sibi Sankar <sibis@...eaurora.org>, bjorn.andersson@...aro.org,
        mka@...omium.org, robh+dt@...nel.org,
        saiprakash.ranjan@...eaurora.org, will@...nel.org
Cc:     ohad@...ery.com, agross@...nel.org, mathieu.poirier@...aro.org,
        robin.murphy@....com, joro@...tes.org, p.zabel@...gutronix.de,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, evgreen@...omium.org,
        dianders@...omium.org
Subject: Re: [PATCH v2 10/10] arm64: dts: qcom: sc7280: Update Q6V5 MSS node

Quoting Sibi Sankar (2021-07-20 03:13:00)
> Update MSS node to support MSA based modem boot on SC7280 SoCs.
>
> Signed-off-by: Sibi Sankar <sibis@...eaurora.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>;
> +};

Can this go above the pinctrl zone in this file? Preferably sorted
alphabetically by phandle.

> 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@...0000 {
>                         compatible = "qcom,sc7280-mpss-pas";
> -                       reg = <0 0x04080000 0 0x10000>;
> +                       reg = <0 0x04080000 0 0x10000>, <0 0x04180000 0 0x48>;
> +                       reg-names = "qdsp6", "rmb";
>
>                         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";
>
>                         power-domains = <&rpmhpd SC7280_CX>,
>                                         <&rpmhpd SC7280_MSS>;
> @@ -611,6 +615,15 @@
>                         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 0x23000 0x25000 0x28000 0x33000>;
> +                       qcom,ext-regs = <&tcsr_regs 0x10000 0x10004
> +                                        &tcsr_mutex 0x26004 0x26008>;
> +                       qcom,qaccept-regs = <&tcsr_mutex 0x23030 0x23040 0x23020>;
> +
>                         status = "disabled";
>
>                         glink-edge {

Any reason to not combine this stuff with the previous patch?