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Message-ID: <CAGXv+5HtR-bAJJC2cdqiPAVbiKPT7oGd0Xj9UjbciXt+szE_pg@mail.gmail.com>
Date:   Thu, 1 Dec 2022 16:58:12 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        angelogioacchino.delregno@...labora.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] arm64: dts: mt8192: Add adsp power domain controller

On Thu, Dec 1, 2022 at 3:33 PM Allen-KH Cheng
<allen-kh.cheng@...iatek.com> wrote:
>
> Add adsp power domain controller node for mt8192 SoC.
>
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>
> ---
> Ref: https://lore.kernel.org/all/2ec80bd8-dfef-d2e6-eb41-6e6088043e33@collabora.com/
>     [Allen-KH Cheng <allen-kh.cheng@...iatek.com>]
> ---
> ---
>  arch/arm64/boot/dts/mediatek/mt8192.dtsi | 8 ++++++++
>  include/dt-bindings/power/mt8192-power.h | 1 +
>  2 files changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> index 424fc89cc6f7..e71afba871fc 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> @@ -514,6 +514,14 @@
>                                                 };
>                                         };
>                                 };
> +
> +                               power-domain@...192_POWER_DOMAIN_ADSP {
> +                                       reg = <MT8192_POWER_DOMAIN_ADSP>;
> +                                       clocks = <&topckgen CLK_TOP_ADSP_SEL>;
> +                                       clock-names = "adsp";
> +                                       mediatek,infracfg = <&infracfg>;
> +                                       #power-domain-cells = <0>;
> +                               };
>                         };
>                 };
>

Please also tie the new power domain to the SCP_ADSP clock.

ChenYu

> diff --git a/include/dt-bindings/power/mt8192-power.h b/include/dt-bindings/power/mt8192-power.h
> index 4eaa53d7270a..63e81cd0d06d 100644
> --- a/include/dt-bindings/power/mt8192-power.h
> +++ b/include/dt-bindings/power/mt8192-power.h
> @@ -28,5 +28,6 @@
>  #define MT8192_POWER_DOMAIN_CAM_RAWA   18
>  #define MT8192_POWER_DOMAIN_CAM_RAWB   19
>  #define MT8192_POWER_DOMAIN_CAM_RAWC   20
> +#define MT8192_POWER_DOMAIN_ADSP       21
>
>  #endif /* _DT_BINDINGS_POWER_MT8192_POWER_H */
> --
> 2.18.0
>

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