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Date:   Mon, 15 Apr 2019 10:04:43 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Clément Péron <peron.clem@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Icenowy Zheng <icenowy@...c.io>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 1/4] dt-bindings: sound: sun4i-spdif: Add Allwinner H6
 compatible

Hi,

On Thu, Apr 11, 2019 at 11:44:19PM +0200, Clément Péron wrote:
> Allwinner H6 has a SPDIF controller with an increase of the fifo
> size and the possibility to output the master clock.
> However it's still compatible with the already existing driver for
> Allwiner H3.
>
> Add this compatible in the device-tree bindings documentation.

How was this tested?

After looking at the datasheet, it looks like it's still significantly
different. In particular:

  - The MCLK divider isn't at the same offset
  - The bits to flush the FIFO aren't at the same offset
  - The FIFO trigger levels aren't at the same offset
  - The FIFO status register layout is almost entirely different

So it doesn't really look compatible to me

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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