linux-kernel - Re: [PATCH v1 43/50] ARM: dts: exynos: add bus

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Date:   Wed, 17 Jul 2019 12:02:47 +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-arm-kernel@...ts.infradead.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>, linux-clk@...r.kernel.org,
        mturquette@...libre.com, sboyd@...nel.org,
        Bartłomiej Żołnierkiewicz 
        <b.zolnierkie@...sung.com>, kgene@...nel.org, mark.rutland@....com,
        robh+dt@...nel.org, Chanwoo Choi <cw00.choi@...sung.com>,
        kyungmin.park@...sung.com, Andrzej Hajda <a.hajda@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        s.nawrocki@...sung.com, myungjoo.ham@...sung.com
Subject: Re: [PATCH v1 43/50] ARM: dts: exynos: add bus_isp in Exynos5422

On Mon, 15 Jul 2019 at 14:45, Lukasz Luba <l.luba@...tner.samsung.com> wrote:
>
> Add bus_isp which changes ACLK400_ISP clock speed according to the bus
> documentation in the documentation. The bus_isp OPP table has been
> aligned to the new parent rate.

Title and msg needs fixing.

Please squash it with patch 18.

Best regards,
Krzysztof

> This patch sets the proper parent and
> picks the init frequency before the devfreq governor starts working.
> It sets also parent rate (DPLL to 1200MHz).
>
> Signed-off-by: Lukasz Luba <l.luba@...tner.samsung.com>
> ---
>  arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> index 990fe03fce75..852cb3dd495d 100644
> --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> @@ -166,6 +166,18 @@
>         status = "okay";
>  };
>
> +&bus_isp {
> +       devfreq = <&bus_wcore>;
> +       assigned-clocks = <&clock CLK_MOUT_ACLK400_ISP>,
> +                         <&clock CLK_MOUT_SW_ACLK400_ISP>,
> +                         <&clock CLK_DOUT_ACLK400_ISP>,
> +                         <&clock CLK_FOUT_DPLL>;
> +       assigned-clock-parents = <&clock CLK_MOUT_SCLK_DPLL>,
> +                                <&clock CLK_DOUT_ACLK400_ISP>;
> +       assigned-clock-rates = <0>, <0>, <400000000>, <1200000000>;
> +       status = "okay";
> +};
> +
>  &cpu0 {
>         cpu-supply = <&buck6_reg>;
>  };
> --
> 2.17.1
>