This device can be used in conjunction with audio-graph-card to provide
an endpoint for binding with the other side of the audio link.
Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
---
.../devicetree/bindings/sound/fsl,sai.yaml | 51 +++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/fsl,sai.yaml b/Documentation/devicetree/bindings/sound/fsl,sai.yaml
index a5d9c246cc47..5c95508ee707 100644
--- a/Documentation/devicetree/bindings/sound/fsl,sai.yaml
+++ b/Documentation/devicetree/bindings/sound/fsl,sai.yaml
@@ -93,6 +93,24 @@ properties:
items:
- description: receive and transmit interrupt
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+ properties:
+ port@0:
+ $ref: audio-graph-port.yaml#
+ unevaluatedProperties: false
+ description: port for TX and RX
+
+ port@1:
+ $ref: audio-graph-port.yaml#
+ unevaluatedProperties: false
+ description: port for TX only
+
+ port@2:
+ $ref: audio-graph-port.yaml#
+ unevaluatedProperties: false
+ description: port for RX only
+
big-endian:
description: |
required if all the SAI registers are big-endian rather than little-endian.
@@ -204,4 +222,37 @@ examples:
dma-names = "rx", "tx";
fsl,dataline = <1 0xff 0xff 2 0xff 0x11>;
#sound-dai-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+ playback-only;
+
+ sai1_endpoint0: endpoint {
+ dai-tdm-slot-num = <8>;
+ dai-tdm-slot-width = <32>;
+ dai-tdm-slot-width-map = <32 8 32>;
+ dai-format = "dsp_a";
+ bitclock-master;
+ frame-master;
+ remote-endpoint = <&mcodec01_ep>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+ capture-only;
+
+ sai1_endpoint1: endpoint {
+ dai-tdm-slot-num = <8>;
+ dai-tdm-slot-width = <32>;
+ dai-tdm-slot-width-map = <32 8 32>;
+ dai-format = "dsp_a";
+ remote-endpoint = <&fe02_ep>;
+ };
+ };
+ };
};
--
2.34.1
