On Tue, Oct 04, 2016 at 11:46:22AM +0200, Mylène Josserand wrote:
> Add the documentation for dt-binding of the digital audio codec driver
> for sun8i SoC.
>
> Signed-off-by: Mylène Josserand <mylene.josserand@xxxxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/sound/sun8i-codec.txt | 24 ++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/sun8i-codec.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/sun8i-codec.txt b/Documentation/devicetree/bindings/sound/sun8i-codec.txt
> new file mode 100644
> index 0000000..1808869
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/sun8i-codec.txt
> @@ -0,0 +1,24 @@
> +* Allwinner A23/A33 Codec
> +
> +Required properties:
> +- compatible: must be either "allwinner,sun4i-a23-codec" or
> + "allwinner,sun7i-a33-codec"
Copy and paste issue ? :)
One compatible by line is usually favored, since when you'll add new
compatibles, you don't have to modify the context.xs
> +- reg: must contain the registers location and length
> +- interrupts: must contain the codec interrupt
> +- clocks: a list of phandle + clock-specifer pairs, one for each entry
> + in clock-names.
> +- clock-names: should contain followings:
> + - "apb": the parent APB clock for this controller
> + - "codec": the parent module clock
We're usually calling them "bus" and "mod".
> +
> +Example:
> +codec: codec@01c22e00 {
> + #sound-dai-cells = <0>;
> + compatible = "allwinner,sun8i-a33-codec";
> + reg = <0x01c22e00 0x400>; /* SUNXI_AUDIO_PBASE + 0x200 */
> + reg-names = "audio";
You don't define reg-names in your bindings, while your code relies on
it. It isn't really needed, since you have only one couple of base +
size, so it should just go away.
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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