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-rw-r--r--Documentation/devicetree/bindings/sound/renesas,rsnd.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
index a44e9179faf5..8346cab046cd 100644
--- a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
+++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
@@ -20,6 +20,7 @@ Required properties:
SSI subnode properties:
- interrupts : Should contain SSI interrupt for PIO transfer
- shared-pin : if shared clock pin
+- pio-transfer : use PIO transfer mode
SRC subnode properties:
no properties at this point