[PATCH v2 5/7] ASoC: samsung,tm2-audio DT binding documentation update

Sylwester Nawrocki
2018-02-12T16:15:36Z

This patch documents additional entries of the audio-codec and
i2s-controller properties required for the HDMI audio support.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
---
.../devicetree/bindings/sound/samsung,tm2-audio.txt | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt b/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
index 94442e5673b3..f5ccc12ddc00 100644
--- a/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
+++ b/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
@@ -4,9 +4,13 @@ Required properties:

- compatible : "samsung,tm2-audio"
- model : the user-visible name of this sound complex
- - audio-codec : the phandle of the wm5110 audio codec node,
- as described in ../mfd/arizona.txt
- - i2s-controller : the phandle of the I2S controller
+ - audio-codec : the first entry should be phandle of the wm5110 audio
+ codec node, as described in ../mfd/arizona.txt;
+ the second entry should be phandle of the HDMI
+ transmitter node
+ - i2s-controller : the list of phandle and argument tuples pointing to
+ I2S controllers, the first entry should be I2S0 and
+ the second one I2S1
- audio-amplifier : the phandle of the MAX98504 amplifier
- samsung,audio-routing : a list of the connections between audio components;
each entry is a pair of strings, the first being the
@@ -22,8 +26,8 @@ Example:

sound {
compatible = "samsung,tm2-audio";
- audio-codec = <&wm5110>;
- i2s-controller = <&i2s0>;
+ audio-codec = <&wm5110>, <&hdmi>;
+ i2s-controller = <&i2s0 0>, <&i2s1 0>;
audio-amplifier = <&max98504>;
mic-bias-gpios = <&gpr3 2 0>;
model = "wm5110";
--
2.14.2