linux-kernel - Re: [PATCH v3 03/10] arm64: dts: sdm845: Introduce ADSP and CDSP PAS nodes

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Date:   Tue, 22 Jan 2019 15:46:13 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        devicetree@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 03/10] arm64: dts: sdm845: Introduce ADSP and CDSP PAS nodes

Hi,

On Mon, Jan 21, 2019 at 9:52 PM Bjorn Andersson
<bjorn.andersson@...aro.org> wrote:
>
> Add the ADSP and CDSP nodes for PAS-based remoteproc, supporting booting
> these cores on e.g. the MTP, and enable the same for the MTP.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
>
> Changes since v2:
> - New patch
>
>  arch/arm64/boot/dts/qcom/sdm845-mtp.dts |  8 ++++
>  arch/arm64/boot/dts/qcom/sdm845.dtsi    | 58 +++++++++++++++++++++++++
>  2 files changed, 66 insertions(+)

It's a bit of a nit of mine that if it's not totally obvious what
acronyms mean that they should be spelled out in places that use them.

In this case I believe ADSP is the Audio DSP.  Is CDSP the Camera DSP?  ...or ?


> +       adsp_pas: remoteproc-adsp {
> +               compatible = "qcom,sdm845-adsp-pas";
> +
> +               interrupts-extended = <&intc GIC_SPI 162 IRQ_TYPE_EDGE_RISING>,
> +                                     <&adsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
> +                                     <&adsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
> +                                     <&adsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
> +                                     <&adsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
> +               interrupt-names = "wdog", "fatal", "ready",
> +                                 "handover", "stop-ack";
> +
> +               clocks = <&xo_board>;
> +               clock-names = "xo";

I've found that nearly all the places that refer to xo_board are wrong
and should actually point to '<&rpmhcc RPMH_CXO_CLK>'.  Maybe yours
should too?

-Doug