[PATCH v2 1/3] ASoC: dt-bindings: everest,es8316: Document routing strings

[Jihed Chaibi <jihed.chaibi.dev@gmail.com>]

Add a list of the es8316 pin names to the binding's description to make
it self-contained and improve the user experience for board developers.

Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>

---
Changes in v2:
 - Rephrased description to refer to device pins instead of the
   driver.
---
 .../bindings/sound/everest,es8316.yaml           | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/everest,es8316.yaml b/Documentation/devicetree/bindings/sound/everest,es8316.yaml
index e4b2eb5fae2..81a0215050e 100644
--- a/Documentation/devicetree/bindings/sound/everest,es8316.yaml
+++ b/Documentation/devicetree/bindings/sound/everest,es8316.yaml
@@ -12,6 +12,22 @@ maintainers:
   - Matteo Martelli <matteomartelli3@gmail.com>
   - Binbin Zhou <zhoubinbin@loongson.cn>
 
+description: |
+  Everest ES8311, ES8316 and ES8323 audio CODECs
+
+  Pins on the device (for linking into audio routes):
+
+    Outputs:
+      * LOUT:     Left Analog Output
+      * ROUT:     Right Analog Output
+      * MICBIAS:  Microphone Bias
+
+    Inputs:
+      * MIC1P:    Microphone 1 Positive Analog Input
+      * MIC1N:    Microphone 1 Negative Analog Input
+      * MIC2P:    Microphone 2 Positive Analog Input
+      * MIC2N:    Microphone 2 Negative Analog Input
+
 allOf:
   - $ref: dai-common.yaml#
 
-- 
2.39.5