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-rw-r--r--dts/Bindings/sound/st,stm32-sai.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/dts/Bindings/sound/st,stm32-sai.txt b/dts/Bindings/sound/st,stm32-sai.txt
index b1acc1a..f301cdf 100644
--- a/dts/Bindings/sound/st,stm32-sai.txt
+++ b/dts/Bindings/sound/st,stm32-sai.txt
@@ -45,6 +45,12 @@ SAI subnodes Optional properties:
This property sets SAI sub-block as slave of another SAI sub-block.
Must contain the phandle and index of the sai sub-block providing
the synchronization.
+ - st,iec60958: support S/PDIF IEC6958 protocol for playback
+ IEC60958 protocol is not available for capture.
+ By default, custom protocol is assumed, meaning that protocol is
+ configured according to protocol defined in related DAI link node,
+ such as i2s, left justified, right justified, dsp and pdm protocols.
+ Note: ac97 protocol is not supported by SAI driver
The device node should contain one 'port' child node with one child 'endpoint'
node, according to the bindings defined in Documentation/devicetree/bindings/