linux-kernel - Re: [PATCH v7 11/13] ARM: dts: exynos: add syscon to clock compatible

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Message-ID: <CAJKOXPd6GKVPixMiG37SoHiswaih-3S+o7QJn=WbuqdZzu-s_w@mail.gmail.com>
Date:   Wed, 8 May 2019 09:22:11 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Lukasz Luba <l.luba@...tner.samsung.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>,
        Bartłomiej Żołnierkiewicz 
        <b.zolnierkie@...sung.com>, kgene@...nel.org,
        Chanwoo Choi <cw00.choi@...sung.com>,
        kyungmin.park@...sung.com,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        s.nawrocki@...sung.com, myungjoo.ham@...sung.com,
        keescook@...omium.org, tony@...mide.com, jroedel@...e.de,
        treding@...dia.com, digetx@...il.com, willy.mh.wolff.ml@...il.com
Subject: Re: [PATCH v7 11/13] ARM: dts: exynos: add syscon to clock compatible

On Mon, 6 May 2019 at 17:12, Lukasz Luba <l.luba@...tner.samsung.com> wrote:
>
> In order get the clock by phandle and use it with regmap it needs to be
> compatible with syscon. The DMC driver uses two registers from clock
> register set and needs the regmap of them.
>
> Signed-off-by: Lukasz Luba <l.luba@...tner.samsung.com>
> ---
>  arch/arm/boot/dts/exynos5800.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/exynos5800.dtsi b/arch/arm/boot/dts/exynos5800.dtsi
> index 57d3b31..0a2b328 100644
> --- a/arch/arm/boot/dts/exynos5800.dtsi
> +++ b/arch/arm/boot/dts/exynos5800.dtsi
> @@ -17,7 +17,7 @@
>  };
>
>  &clock {
> -       compatible = "samsung,exynos5800-clock";
> +       compatible = "samsung,exynos5800-clock", "syscon";

What about Exynos5420 DTSI?

Best regards,
Krzysztof

>  };
>
>  &cluster_a15_opp_table {
> --
> 2.7.4
>