Add the necessary devicetree binding document for simple vga encoders.
Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx>
---
.../devicetree/bindings/drm/i2c/vga-simple.txt | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/drm/i2c/vga-simple.txt
diff --git a/Documentation/devicetree/bindings/drm/i2c/vga-simple.txt b/Documentation/devicetree/bindings/drm/i2c/vga-simple.txt
new file mode 100644
index 0000000..271df9a
--- /dev/null
+++ b/Documentation/devicetree/bindings/drm/i2c/vga-simple.txt
@@ -0,0 +1,18 @@
+Device-Tree bindings for generic vga encoders
+
+Required properties;
+ - compatible: must be "adi,adv7123"
+
+Optional properties:
+ - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
+ - enable-gpio: GPIO pin to enable or disable the encoder
+ - vaa-supply: regulator for the analog power supply
+
+Example:
+
+ adv7123: vga-encoder {
+ compatible = "adi,adv7123";
+ ddc-i2c-bus = <&i2c4>;
+ vaa-supply = <&vcc_io>;
+ enable-gpio = <&gpio0 17 GPIO_ACTIVE_HIGH>;
+ };
--
2.1.1
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