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-rw-r--r--Documentation/devicetree/bindings/video/backlight/lp855x.txt29
1 files changed, 28 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/video/backlight/lp855x.txt b/Documentation/devicetree/bindings/video/backlight/lp855x.txt
index 1482103d288..96e83a56048 100644
--- a/Documentation/devicetree/bindings/video/backlight/lp855x.txt
+++ b/Documentation/devicetree/bindings/video/backlight/lp855x.txt
@@ -2,7 +2,7 @@ lp855x bindings
Required properties:
- compatible: "ti,lp8550", "ti,lp8551", "ti,lp8552", "ti,lp8553",
- "ti,lp8556", "ti,lp8557"
+ "ti,lp8555", "ti,lp8556", "ti,lp8557"
- reg: I2C slave address (u8)
- dev-ctrl: Value of DEVICE CONTROL register (u8). It depends on the device.
@@ -15,6 +15,33 @@ Optional properties:
Example:
+ /* LP8555 */
+ backlight@2c {
+ compatible = "ti,lp8555";
+ reg = <0x2c>;
+
+ dev-ctrl = /bits/ 8 <0x00>;
+ pwm-period = <10000>;
+
+ /* 4V OV, 4 output LED0 string enabled */
+ rom_14h {
+ rom-addr = /bits/ 8 <0x14>;
+ rom-val = /bits/ 8 <0xcf>;
+ };
+
+ /* Heavy smoothing, 24ms ramp time step */
+ rom_15h {
+ rom-addr = /bits/ 8 <0x15>;
+ rom-val = /bits/ 8 <0xc7>;
+ };
+
+ /* 4 output LED1 string enabled */
+ rom_19h {
+ rom-addr = /bits/ 8 <0x19>;
+ rom-val = /bits/ 8 <0x0f>;
+ };
+ };
+
/* LP8556 */
backlight@2c {
compatible = "ti,lp8556";