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 1482103d288f..96e83a56048e 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";