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- lp855x bindings
- Required properties:
- - compatible: "ti,lp8550", "ti,lp8551", "ti,lp8552", "ti,lp8553",
- "ti,lp8556", "ti,lp8557"
- - reg: I2C slave address (u8)
- - dev-ctrl: Value of DEVICE CONTROL register (u8). It depends on the device.
- Optional properties:
- - bl-name: Backlight device name (string)
- - init-brt: Initial value of backlight brightness (u8)
- - pwm-period: PWM period value. Set only PWM input mode used (u32)
- - rom-addr: Register address of ROM area to be updated (u8)
- - rom-val: Register value to be updated (u8)
- Example:
- /* LP8556 */
- backlight@2c {
- compatible = "ti,lp8556";
- reg = <0x2c>;
- bl-name = "lcd-bl";
- dev-ctrl = /bits/ 8 <0x85>;
- init-brt = /bits/ 8 <0x10>;
- };
- /* LP8557 */
- backlight@2c {
- compatible = "ti,lp8557";
- reg = <0x2c>;
- dev-ctrl = /bits/ 8 <0x41>;
- init-brt = /bits/ 8 <0x0a>;
- /* 4V OV, 4 output LED string enabled */
- rom_14h {
- rom-addr = /bits/ 8 <0x14>;
- rom-val = /bits/ 8 <0xcf>;
- };
- };
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