diff mbox

[10/14] dt-bindings: sound: Add sun8i audio card documentation

Message ID c317ce9f180a24611e79086944feca00d416b7b4.1475571575.git.mylene.josserand@free-electrons.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Mylene JOSSERAND Oct. 4, 2016, 9:46 a.m. UTC
Add the documentation for dt-binding of the audio card driver
for sun8i SoC.

Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
---
 Documentation/devicetree/bindings/sound/sun8i-audio.txt | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/sun8i-audio.txt

Comments

Maxime Ripard Oct. 4, 2016, 4:32 p.m. UTC | #1
On Tue, Oct 04, 2016 at 11:46:23AM +0200, Mylène Josserand wrote:
> Add the documentation for dt-binding of the audio card driver
> for sun8i SoC.
> 
> Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
> ---
>  Documentation/devicetree/bindings/sound/sun8i-audio.txt | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/sun8i-audio.txt
> 
> diff --git a/Documentation/devicetree/bindings/sound/sun8i-audio.txt b/Documentation/devicetree/bindings/sound/sun8i-audio.txt
> new file mode 100644
> index 0000000..2403983
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/sun8i-audio.txt
> @@ -0,0 +1,17 @@
> +* Allwinner A23/A33 audio card
> +
> +This binding implements the A33 audio card.
> +
> +Required properties:
> +- compatible: must be "allwinner,sun8i-audio"
> +- allwinner,audio-codec: must have the phandle of the audio codec
> +  ("sun8i-a33-codec", for example).
> +- allwinner,i2s-controller: must have the phandle of the DAI
> +  ("allwinner,sun4i-a10-i2s", for example)

You should probably have a link to the PRCM too, instead of relying on
the name of the device in your card, which is quite fragile.

Also, I'm wondering, shouldn't all these nodes be part of a single
MFD? They share the same address space (even though it's split
nicely), the same clocks, and really are just one big device. Chen-Yu,
Mark, any opinion?

Thanks,
Maxime
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/sound/sun8i-audio.txt b/Documentation/devicetree/bindings/sound/sun8i-audio.txt
new file mode 100644
index 0000000..2403983
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/sun8i-audio.txt
@@ -0,0 +1,17 @@ 
+* Allwinner A23/A33 audio card
+
+This binding implements the A33 audio card.
+
+Required properties:
+- compatible: must be "allwinner,sun8i-audio"
+- allwinner,audio-codec: must have the phandle of the audio codec
+  ("sun8i-a33-codec", for example).
+- allwinner,i2s-controller: must have the phandle of the DAI
+  ("allwinner,sun4i-a10-i2s", for example)
+
+Example:
+sound {
+	compatible = "allwinner,sun8i-audio";
+	allwinner,audio-codec = <&codec>;
+	allwinner,i2s-controller = <&dai>;
+};