xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/leds/backlight/sky81452-backlight.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunSKY81452-backlight bindings
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible		: Must be "skyworks,sky81452-backlight"
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunOptional properties:
7*4882a593Smuzhiyun- name			: Name of backlight device. Default is 'lcd-backlight'.
8*4882a593Smuzhiyun- gpios			: GPIO to use to EN pin.
9*4882a593Smuzhiyun			See Documentation/devicetree/bindings/gpio/gpio.txt
10*4882a593Smuzhiyun- led-sources		: List of enabled channels from 0 to 5.
11*4882a593Smuzhiyun			See Documentation/devicetree/bindings/leds/common.txt
12*4882a593Smuzhiyun- skyworks,ignore-pwm	: Ignore both PWM input
13*4882a593Smuzhiyun- skyworks,dpwm-mode	: Enable DPWM dimming mode, otherwise Analog dimming.
14*4882a593Smuzhiyun- skyworks,phase-shift	: Enable phase shift mode
15*4882a593Smuzhiyun- skyworks,short-detection-threshold-volt
16*4882a593Smuzhiyun			: It should be one of 4, 5, 6 and 7V.
17*4882a593Smuzhiyun- skyworks,current-limit-mA
18*4882a593Smuzhiyun			: It should be 2300mA or 2750mA.
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunExample:
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun	backlight {
23*4882a593Smuzhiyun		compatible = "skyworks,sky81452-backlight";
24*4882a593Smuzhiyun		name = "pwm-backlight";
25*4882a593Smuzhiyun		led-sources = <0 1 2 5>;
26*4882a593Smuzhiyun		skyworks,ignore-pwm;
27*4882a593Smuzhiyun		skyworks,phase-shift;
28*4882a593Smuzhiyun		skyworks,current-limit-mA = <2300>;
29*4882a593Smuzhiyun	};
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