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[v2,6/8] ASoC: dt-bindings: sound: renesas, rz-ssi: Document DMA support

Message ID 20210719134040.7964-7-biju.das.jz@bp.renesas.com
State Accepted
Commit 5df6dfbb6de815ba3a75c788a916865212fd5221
Headers show
Series Add RZ/G2L Sound support | expand

Commit Message

Biju Das July 19, 2021, 1:40 p.m. UTC 
Document DMA support in binding document.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
v1->v2:
 * No change.
---
 .../devicetree/bindings/sound/renesas,rz-ssi.yaml | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/sound/renesas,rz-ssi.yaml b/Documentation/devicetree/bindings/sound/renesas,rz-ssi.yaml
index 891f381ee5b8..471937cb8d05 100644
--- a/Documentation/devicetree/bindings/sound/renesas,rz-ssi.yaml
+++ b/Documentation/devicetree/bindings/sound/renesas,rz-ssi.yaml
@@ -45,6 +45,18 @@  properties:
   resets:
     maxItems: 1
 
+  dmas:
+    minItems: 1
+    maxItems: 2
+
+  dma-names:
+    oneOf:
+      - items:
+          - const: tx
+          - const: rx
+      - items:
+          - const: rt
+
   '#sound-dai-cells':
     const: 0
 
@@ -81,5 +93,8 @@  examples:
             clock-names = "ssi", "ssi_sfr", "audio_clk1", "audio_clk2";
             power-domains = <&cpg>;
             resets = <&cpg R9A07G044_SSI0_RST_M2_REG>;
+            dmas = <&dmac 0x255>,
+                   <&dmac 0x256>;
+            dma-names = "tx", "rx";
             #sound-dai-cells = <0>;
     };