[PATCH v2 4/6] dt-bindings: misc: atmel-ssc: LRCLK from TF/RF pin option

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Add single-pin LRCLK source options for Atmel SSC module.

Signed-off-by: Michał Mirosław <mirq-linux@xxxxxxxxxxxx>

---
  v2: split from implementation patch

---
 Documentation/devicetree/bindings/misc/atmel-ssc.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt
index f9fb412642fe..c98e96dbec3a 100644
--- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt
+++ b/Documentation/devicetree/bindings/misc/atmel-ssc.txt
@@ -24,6 +24,11 @@ Optional properties:
        this parameter to choose where the clock from.
      - By default the clock is from TK pin, if the clock from RK pin, this
        property is needed.
+  - atmel,lrclk-from-tf-pin: bool property.
+  - atmel,lrclk-from-rf-pin: bool property.
+     - SSC in slave mode gets LRCLK from RF for receive and TF for transmit
+       data direction. This property makes both use single TF (or RF) pin
+       as LRCLK. At most one can be present.
   - #sound-dai-cells: Should contain <0>.
      - This property makes the SSC into an automatically registered DAI.
 
-- 
2.20.1




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