1 SKY81452-backlight bindings 1 SKY81452-backlight bindings
2 2
3 Required properties: 3 Required properties:
4 - compatible : Must be "skyworks,sk 4 - compatible : Must be "skyworks,sky81452-backlight"
5 5
6 Optional properties: 6 Optional properties:
7 - name : Name of backlight de 7 - name : Name of backlight device. Default is 'lcd-backlight'.
8 - gpios : GPIO to use to EN pi 8 - gpios : GPIO to use to EN pin.
9 See Documentation/devi 9 See Documentation/devicetree/bindings/gpio/gpio.txt
10 - led-sources : List of enabled chan 10 - led-sources : List of enabled channels from 0 to 5.
11 See Documentation/devi 11 See Documentation/devicetree/bindings/leds/common.txt
12 - skyworks,ignore-pwm : Ignore both PWM inpu 12 - skyworks,ignore-pwm : Ignore both PWM input
13 - skyworks,dpwm-mode : Enable DPWM dimming 13 - skyworks,dpwm-mode : Enable DPWM dimming mode, otherwise Analog dimming.
14 - skyworks,phase-shift : Enable phase shift m 14 - skyworks,phase-shift : Enable phase shift mode
15 - skyworks,short-detection-threshold-volt 15 - skyworks,short-detection-threshold-volt
16 : It should be one of 16 : It should be one of 4, 5, 6 and 7V.
17 - skyworks,current-limit-mA 17 - skyworks,current-limit-mA
18 : It should be 2300mA 18 : It should be 2300mA or 2750mA.
19 19
20 Example: 20 Example:
21 21
22 backlight { 22 backlight {
23 compatible = "skyworks,sky8145 23 compatible = "skyworks,sky81452-backlight";
24 name = "pwm-backlight"; 24 name = "pwm-backlight";
25 led-sources = <0 1 2 5>; 25 led-sources = <0 1 2 5>;
26 skyworks,ignore-pwm; 26 skyworks,ignore-pwm;
27 skyworks,phase-shift; 27 skyworks,phase-shift;
28 skyworks,current-limit-mA = <2 28 skyworks,current-limit-mA = <2300>;
29 }; 29 };
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