The config property can be used to provide an array of
register addresses and values to be written to configure
the device for the board.
Signed-off-by: Michael Drake <michael.drake@xxxxxxxxxxxxxxx>
Cc: Patrick Glaser <pglaser@xxxxxxxxx>
Cc: Nate Case <ncase@xxxxxxxxx>
---
.../bindings/display/bridge/ti,ds90ub949.txt | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/bridge/ti,ds90ub949.txt b/Documentation/devicetree/bindings/display/bridge/ti,ds90ub949.txt
index 3ba3897d5e81..b1e38d732f17 100644
--- a/Documentation/devicetree/bindings/display/bridge/ti,ds90ub949.txt
+++ b/Documentation/devicetree/bindings/display/bridge/ti,ds90ub949.txt
@@ -12,6 +12,8 @@ Required properties:
Optional properties:
- regulators: List of regulator name strings to enable for operation of device.
+- config: List of <register address>,<value> pairs to be set to configure
+ device on powerup. The register addresses and values are 8bit.
Example
-------
@@ -21,4 +23,15 @@ ti949: ds90ub949@0 {
regulators: "vcc",
"vcc_hdmi";
+ config:
+ /* GPIO0 is an output with remote value */
+ <0x0D>, <0x25>,
+ /* GPIO3 is an input for XRES */
+ <0x0F>, <0x03>,
+ /* GPIO2 is an input for backlight PWM */
+ <0x0E>, <0x30>,
+ /* Enables forward channel I2C pass through */
+ <0x17>, <0x9e>,
+ /* Enables PORT1 registers I2C access */
+ <0x1E>, <0x04>;
};
--
2.20.1
