Doc/DT: Add DT binding documentation for tpd12s015 encoder

Add DT binding documentation for tpd12s015 encoder

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>

diff --git a/Documentation/devicetree/bindings/video/ti,tpd12s015.txt b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
new file mode 100644 (file)
index 0000000..26e6d32
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+++ b/Documentation/devicetree/bindings/video/ti,tpd12s015.txt
@@ -0,0 +1,44 @@
+TPD12S015 HDMI level shifter and ESD protection chip
+====================================================
+
+Required properties:
+- compatible: "ti,tpd12s015"
+
+Optional properties:
+- gpios: CT CP HPD, LS OE and HPD gpios
+
+Required nodes:
+- Video port 0 for HDMI input
+- Video port 1 for HDMI output
+
+Example
+-------
+
+tpd12s015: encoder@1 {
+       compatible = "ti,tpd12s015";
+
+       gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>,   /* 60, CT CP HPD */
+               <&gpio2 9 GPIO_ACTIVE_HIGH>,    /* 41, LS OE */
+               <&gpio2 31 GPIO_ACTIVE_HIGH>;   /* 63, HPD */
+
+       ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port@0 {
+                       reg = <0>;
+
+                       tpd12s015_in: endpoint@0 {
+                               remote-endpoint = <&hdmi_out>;
+                       };
+               };
+
+               port@1 {
+                       reg = <1>;
+
+                       tpd12s015_out: endpoint@0 {
+                               remote-endpoint = <&hdmi_connector_in>;
+                       };
+               };
+       };
+};