linux-kernel - Re: [PATCH v1 4/4] Revert "arm64: dts: mt8173: add mmsel clocks for 4K support"

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Message-ID: <CAGXv+5FnXtR+KP6GZ2ut1cUwo0z-SBs1zTPWMSvm9dF-NNn--g@mail.gmail.com>
Date:   Fri, 10 Feb 2023 10:44:25 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     matthias.bgg@...nel.org
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        matthias.bgg@...il.com, devicetree@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        angelogioacchino.delregno@...labora.com
Subject: Re: [PATCH v1 4/4] Revert "arm64: dts: mt8173: add mmsel clocks for
 4K support"

On Fri, Feb 10, 2023 at 12:05 AM <matthias.bgg@...nel.org> wrote:
>
> From: Matthias Brugger <matthias.bgg@...il.com>
>
> This reverts commit fc6634ac0e5380aeb1063275a2e9a583d41b2306.
>
> The mmsys is a clock provider but does not have any clocks connected to
> it. Therefore assigned-clock properties should be applied to the users of mmsys.

If there are multiple users that need this, then it should be moved to
the clock provider node topckgen.

> This fixes the DT schema check:
> mediatek/mt8173-elm.dtb: syscon@...00000: 'assigned-clock-rates', 'assigned-clocks' do not match any of the regexes: 'pinctrl-[0-9]+'
>
> Signed-off-by: Matthias Brugger <matthias.bgg@...il.com>
> ---
>
>  arch/arm64/boot/dts/mediatek/mt8173.dtsi | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> index c47d7d900f283..b753547e250fe 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -988,8 +988,6 @@ mmsys: syscon@...00000 {
>                         compatible = "mediatek,mt8173-mmsys", "syscon";
>                         reg = <0 0x14000000 0 0x1000>;
>                         power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
> -                       assigned-clocks = <&topckgen CLK_TOP_MM_SEL>;
> -                       assigned-clock-rates = <400000000>;
>                         #clock-cells = <1>;
>                         #reset-cells = <1>;
>                         mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>,
> --
> 2.39.0
>
>