Support setting the sound card main clock input from the device-tree
using the mclk-id property.

Signed-off-by: Ariel D'Alessandro <[email protected]>
---
 Documentation/devicetree/bindings/sound/fsl-asoc-card.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt 
b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
index 23d83fa7609f..b219626a5403 100644
--- a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
+++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
@@ -82,6 +82,7 @@ Optional properties:
   - dai-format         : audio format, for details see simple-card.yaml.
   - frame-inversion    : dai-link uses frame clock inversion, for details see 
simple-card.yaml.
   - bitclock-inversion : dai-link uses bit clock inversion, for details see 
simple-card.yaml.
+  - mclk-id            : main clock id, specific for each card configuration.
 
 Optional unless SSI is selected as a CPU DAI:
 
-- 
2.34.1

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