ASoC: rsnd: care DMA slave channel name for DT

[platform/adaptation/renesas_rcar/renesas_kernel.git] / Documentation / devicetree / bindings / sound / renesas,rsnd.txt

diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt
index a44e917..8346cab 100644 (file)
--- 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