linux-kernel - Re: [PATCH 1/3] media: dt: bindings: sunxi-ir: Add A64 compatible

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Date:   Sat, 12 Jan 2019 09:56:11 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Jernej Skrabec <jernej.skrabec@...l.net>
Cc:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH 1/3] media: dt: bindings: sunxi-ir: Add A64 compatible

On Sat, Jan 12, 2019 at 1:30 AM Jernej Skrabec <jernej.skrabec@...l.net> wrote:
>
> A64 IR is compatible with A13, so add A64 compatible with A13 as a
> fallback.

We ask people to add the SoC-specific compatible as a contigency,
in case things turn out to be not so "compatible".

To be consistent with all the other SoCs and other peripherals,
unless you already spotted a "compatible" difference in the
hardware, i.e. the hardware isn't completely the same, this
patch isn't needed. On the other hand, if you did, please mention
the differences in the commit log.

ChenYu

> Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
> ---
>  Documentation/devicetree/bindings/media/sunxi-ir.txt | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/media/sunxi-ir.txt b/Documentation/devicetree/bindings/media/sunxi-ir.txt
> index 278098987edb..ecac6964b69b 100644
> --- a/Documentation/devicetree/bindings/media/sunxi-ir.txt
> +++ b/Documentation/devicetree/bindings/media/sunxi-ir.txt
> @@ -1,7 +1,10 @@
>  Device-Tree bindings for SUNXI IR controller found in sunXi SoC family
>
>  Required properties:
> -- compatible       : "allwinner,sun4i-a10-ir" or "allwinner,sun5i-a13-ir"
> +- compatible       : value must be one of:
> +  * "allwinner,sun4i-a10-ir"
> +  * "allwinner,sun5i-a13-ir"
> +  * "allwinner,sun50i-a64-ir", "allwinner,sun5i-a13-ir"
>  - clocks           : list of clock specifiers, corresponding to
>                       entries in clock-names property;
>  - clock-names      : should contain "apb" and "ir" entries;
> --
> 2.20.1
>