summaryrefslogtreecommitdiffstats
path: root/dts/Bindings/display/bridge/ti,tfp410.txt
diff options
context:
space:
mode:
Diffstat (limited to 'dts/Bindings/display/bridge/ti,tfp410.txt')
-rw-r--r--dts/Bindings/display/bridge/ti,tfp410.txt32
1 files changed, 26 insertions, 6 deletions
diff --git a/dts/Bindings/display/bridge/ti,tfp410.txt b/dts/Bindings/display/bridge/ti,tfp410.txt
index 54d7e31..5ff4f64 100644
--- a/dts/Bindings/display/bridge/ti,tfp410.txt
+++ b/dts/Bindings/display/bridge/ti,tfp410.txt
@@ -6,15 +6,32 @@ Required properties:
Optional properties:
- powerdown-gpios: power-down gpio
-- reg: I2C address. If and only if present the device node
- should be placed into the i2c controller node where the
- tfp410 i2c is connected to.
+- reg: I2C address. If and only if present the device node should be placed
+ into the I2C controller node where the TFP410 I2C is connected to.
+- ti,deskew: data de-skew in 350ps increments, from -4 to +3, as configured
+ through th DK[3:1] pins. This property shall be present only if the TFP410
+ is not connected through I2C.
Required nodes:
-- Video port 0 for DPI input [1].
-- Video port 1 for DVI output [1].
-[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
+This device has two video ports. Their connections are modeled using the OF
+graph bindings specified in [1]. Each port node shall have a single endpoint.
+
+- Port 0 is the DPI input port. Its endpoint subnode shall contain a
+ pclk-sample and bus-width property and a remote-endpoint property as specified
+ in [1].
+ - If pclk-sample is not defined, pclk-sample = 0 should be assumed for
+ backward compatibility.
+ - If bus-width is not defined then bus-width = 24 should be assumed for
+ backward compatibility.
+ bus-width = 24: 24 data lines are connected and single-edge mode
+ bus-width = 12: 12 data lines are connected and dual-edge mode
+
+- Port 1 is the DVI output port. Its endpoint subnode shall contain a
+ remote-endpoint property is specified in [1].
+
+[1] Documentation/devicetree/bindings/media/video-interfaces.txt
+
Example
-------
@@ -22,6 +39,7 @@ Example
tfp410: encoder@0 {
compatible = "ti,tfp410";
powerdown-gpios = <&twl_gpio 2 GPIO_ACTIVE_LOW>;
+ ti,deskew = <4>;
ports {
#address-cells = <1>;
@@ -31,6 +49,8 @@ tfp410: encoder@0 {
reg = <0>;
tfp410_in: endpoint@0 {
+ pclk-sample = <1>;
+ bus-width = <24>;
remote-endpoint = <&dpi_out>;
};
};