linux-kernel - Re: [linux-sunxi] Re: [PATCH v2 01/11] dt-bindings: update the binding for Allwinner H3 TVE support

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Date:   Sat, 10 Jun 2017 00:51:02 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     maxime.ripard@...e-electrons.com,
        Maxime Ripard <maxime.ripard@...e-electrons.com>
CC:     Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Škrabec <jernej.skrabec@...l.net>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [linux-sunxi] Re: [PATCH v2 01/11] dt-bindings: update the binding for Allwinner H3 TVE support



于 2017年6月10日 GMT+08:00 上午12:49:15, Maxime Ripard <maxime.ripard@...e-electrons.com> 写到:
>On Wed, Jun 07, 2017 at 04:48:50PM +0800, Icenowy Zheng wrote:
>> >> @@ -189,6 +211,8 @@ supported.
>> >>  Required properties:
>> >>    - compatible: value must be one of:
>> >>      * allwinner,sun8i-v3s-de2-mixer
>> >> +    * allwinner,sun8i-h3-de2-mixer0
>> >> +    * allwinner,sun8i-h3-de2-mixer1
>> >
>> >Again, please explain why we need to have different compatibles
>> >here. If it's only about the number of planes, this should be dealt
>> >with a property, not a compatible.
>> 
>> Only mixer0 has "VEP" and write-back support, at least on H3.
>
>What is that VEP? writeback support can also be expressed by a
>property.

I don't know what VEP is...

But we are really facing different cores, like sun50i-a64-mmc
and sun50i-a64-emmc.

>
>Maxime