Document the TX and RX DMA request channels featured
by the OMAP I2C controller.

Signed-off-by: Antoni Pokusinski <[email protected]>
---
 .../devicetree/bindings/i2c/ti,omap4-i2c.yaml        | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml 
b/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml
index 58d32ceeacfc..ff946fdfaad3 100644
--- a/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml
@@ -37,6 +37,16 @@ properties:
   clock-names:
     const: fck
 
+  dmas:
+    items:
+      - description: TX DMA channel phandle
+      - description: RX DMA channel phandle
+
+  dma-names:
+    items:
+      - const: tx
+      - const: rx
+
   power-domains: true
 
   ti,hwmods:
@@ -93,4 +103,6 @@ examples:
         #address-cells = <1>;
         #size-cells = <0>;
         mux-states = <&i2c_mux 1>;
+        dmas = <&edma 58 0>, <&edma 59 0>;
+        dma-names = "tx", "rx";
     };
-- 
2.56.0

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