linux-kernel - Re: [PATCH v2 14/20] ARM64: dts: sun50i-a64: Add dt node for the syscon control module

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Message-ID: <f8d389b4-c98a-684d-9df6-6197458cf1d7@cogentembedded.com>
Date:   Wed, 15 Mar 2017 14:06:24 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Corentin Labbe <clabbe.montjoie@...il.com>, robh+dt@...nel.org,
        mark.rutland@....com, maxime.ripard@...e-electrons.com,
        wens@...e.org, linux@...linux.org.uk, catalin.marinas@....com,
        will.deacon@....com, peppe.cavallaro@...com,
        alexandre.torgue@...com, davem@...emloft.net
Cc:     f.fainelli@...il.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 14/20] ARM64: dts: sun50i-a64: Add dt node for the
 syscon control module

Hello!

On 3/14/2017 5:18 PM, Corentin Labbe wrote:

> This patch add the dt node for the syscon register present on the
> Allwinner A64.
>
> Only two register are present in this syscon and the only one useful is
> the one dedicated to EMAC clock.
>
> Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> index 1c64ea2..3b09af2 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> @@ -121,6 +121,12 @@
>  		#size-cells = <1>;
>  		ranges;
>
> +		syscon: syscon@...00000 {
> +			compatible = "syscon",
> +				"allwinner,sun8i-h3-system-controller";

    the right order of values in this prop is from more to less specific.

[...]

MBR, Sergei