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-rw-r--r--Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml14
1 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml b/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
index d0b541a461f3..dfb6a8993535 100644
--- a/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
+++ b/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
@@ -4,7 +4,7 @@
$id: http://devicetree.org/schemas/phy/allwinner,sun6i-a31-mipi-dphy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: Allwinner A31 MIPI D-PHY Controller Device Tree Bindings
+title: Allwinner A31 MIPI D-PHY Controller
maintainers:
- Chen-Yu Tsai <wens@csie.org>
@@ -37,6 +37,18 @@ properties:
resets:
maxItems: 1
+ allwinner,direction:
+ $ref: '/schemas/types.yaml#/definitions/string'
+ description: |
+ Direction of the D-PHY:
+ - "rx" for receiving (e.g. when used with MIPI CSI-2);
+ - "tx" for transmitting (e.g. when used with MIPI DSI).
+
+ enum:
+ - tx
+ - rx
+ default: tx
+
required:
- "#phy-cells"
- compatible