linux-kernel - Re: [PATCH mvebu v2 01/10] arm64: dts: marvell: armada-37xx: add syscon compatible to NB clk node

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Message-ID: <87k0pkcvp9.fsf@BL-laptop>
Date:   Fri, 02 Apr 2021 21:50:26 +0200
From:   Gregory CLEMENT <gregory.clement@...tlin.com>
To:     Pali Rohár <pali@...nel.org>,
        Andrew Lunn <andrew@...n.ch>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org
Cc:     Marek Behún <kabel@...nel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Tomasz Maciej Nowak <tmn505@...il.com>,
        Luka Perkov <luka.perkov@...tura.hr>,
        Andre Heider <a.heider@...il.com>,
        Vladimir Vid <vladimir.vid@...tura.hr>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Gérald Kerma <gerald@....net>,
        Konstantin Porotchkin <kostap@...vell.com>
Subject: Re: [PATCH mvebu v2 01/10] arm64: dts: marvell: armada-37xx: add
 syscon compatible to NB clk node

Hi Pali,

> From: Marek Behún <kabel@...nel.org>
>
> Add "syscon" compatible to the North Bridge clocks node to allow the
> cpufreq driver to access these registers via syscon API.
>
> This is needed for a fix of cpufreq driver.
>
> Signed-off-by: Marek Behún <kabel@...nel.org>
> Fixes: e8d66e7927b2 ("arm64: dts: marvell: armada-37xx: add nodes...")
> Cc: stable@...r.kernel.org
> Cc: Gregory CLEMENT <gregory.clement@...e-electrons.com>
> Cc: Miquel Raynal <miquel.raynal@...tlin.com>

Applied on mvebu/dt64

Thanks,

Gregory

> ---
>  arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
> index d5b6c0a1c54a..a89e47d95eef 100644
> --- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
> @@ -156,7 +156,8 @@
>  			};
>  
>  			nb_periph_clk: nb-periph-clk@...00 {
> -				compatible = "marvell,armada-3700-periph-clock-nb";
> +				compatible = "marvell,armada-3700-periph-clock-nb",
> +					     "syscon";
>  				reg = <0x13000 0x100>;
>  				clocks = <&tbg 0>, <&tbg 1>, <&tbg 2>,
>  				<&tbg 3>, <&xtalclk>;
> -- 
> 2.20.1
>

-- 
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com