xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/leds/leds-netxbig.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunBinding for the CPLD LEDs (GPIO extension bus) found on some LaCie/Seagate
2*4882a593Smuzhiyunboards (Example: 2Big/5Big Network v2, 2Big NAS).
3*4882a593Smuzhiyun
4*4882a593SmuzhiyunRequired properties:
5*4882a593Smuzhiyun- compatible: "lacie,netxbig-leds".
6*4882a593Smuzhiyun- gpio-ext: Phandle for the gpio-ext bus.
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunOptional properties:
9*4882a593Smuzhiyun- timers: Timer array. Each timer entry is represented by three integers:
10*4882a593Smuzhiyun  Mode (gpio-ext bus), delay_on and delay_off.
11*4882a593Smuzhiyun
12*4882a593SmuzhiyunEach LED is represented as a sub-node of the netxbig-leds device.
13*4882a593Smuzhiyun
14*4882a593SmuzhiyunRequired sub-node properties:
15*4882a593Smuzhiyun- mode-addr: Mode register address on gpio-ext bus.
16*4882a593Smuzhiyun- mode-val: Mode to value mapping. Each entry is represented by two integers:
17*4882a593Smuzhiyun  A mode and the corresponding value on the gpio-ext bus.
18*4882a593Smuzhiyun- bright-addr: Brightness register address on gpio-ext bus.
19*4882a593Smuzhiyun- max-brightness: Maximum brightness value.
20*4882a593Smuzhiyun
21*4882a593SmuzhiyunOptional sub-node properties:
22*4882a593Smuzhiyun- label: Name for this LED. If omitted, the label is taken from the node name.
23*4882a593Smuzhiyun- linux,default-trigger: Trigger assigned to the LED.
24*4882a593Smuzhiyun
25*4882a593SmuzhiyunExample:
26*4882a593Smuzhiyun
27*4882a593Smuzhiyunnetxbig-leds {
28*4882a593Smuzhiyun	compatible = "lacie,netxbig-leds";
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun	gpio-ext = &gpio_ext;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun	timers = <NETXBIG_LED_TIMER1 500 500
33*4882a593Smuzhiyun		  NETXBIG_LED_TIMER2 500 1000>;
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun	blue-power {
36*4882a593Smuzhiyun		label = "netxbig:blue:power";
37*4882a593Smuzhiyun		mode-addr = <0>;
38*4882a593Smuzhiyun		mode-val = <NETXBIG_LED_OFF 0
39*4882a593Smuzhiyun			    NETXBIG_LED_ON 1
40*4882a593Smuzhiyun			    NETXBIG_LED_TIMER1 3
41*4882a593Smuzhiyun			    NETXBIG_LED_TIMER2 7>;
42*4882a593Smuzhiyun		bright-addr = <1>;
43*4882a593Smuzhiyun		max-brightness = <7>;
44*4882a593Smuzhiyun	};
45*4882a593Smuzhiyun	red-power {
46*4882a593Smuzhiyun		label = "netxbig:red:power";
47*4882a593Smuzhiyun		mode-addr = <0>;
48*4882a593Smuzhiyun		mode-val = <NETXBIG_LED_OFF 0
49*4882a593Smuzhiyun			    NETXBIG_LED_ON 2
50*4882a593Smuzhiyun			    NETXBIG_LED_TIMER1 4>;
51*4882a593Smuzhiyun		bright-addr = <1>;
52*4882a593Smuzhiyun		max-brightness = <7>;
53*4882a593Smuzhiyun	};
54*4882a593Smuzhiyun	blue-sata0 {
55*4882a593Smuzhiyun		label = "netxbig:blue:sata0";
56*4882a593Smuzhiyun		mode-addr = <3>;
57*4882a593Smuzhiyun		mode-val = <NETXBIG_LED_OFF 0
58*4882a593Smuzhiyun			    NETXBIG_LED_ON 7
59*4882a593Smuzhiyun			    NETXBIG_LED_SATA 1
60*4882a593Smuzhiyun			    NETXBIG_LED_TIMER1 3>;
61*4882a593Smuzhiyun		bright-addr = <2>;
62*4882a593Smuzhiyun		max-brightness = <7>;
63*4882a593Smuzhiyun	};
64*4882a593Smuzhiyun	red-sata0 {
65*4882a593Smuzhiyun		label = "netxbig:red:sata0";
66*4882a593Smuzhiyun		mode-addr = <3>;
67*4882a593Smuzhiyun		mode-val = <NETXBIG_LED_OFF 0
68*4882a593Smuzhiyun			    NETXBIG_LED_ON 2
69*4882a593Smuzhiyun			    NETXBIG_LED_TIMER1 4>;
70*4882a593Smuzhiyun		bright-addr = <2>;
71*4882a593Smuzhiyun		max-brightness = <7>;
72*4882a593Smuzhiyun	};
73*4882a593Smuzhiyun	blue-sata1 {
74*4882a593Smuzhiyun		label = "netxbig:blue:sata1";
75*4882a593Smuzhiyun		mode-addr = <4>;
76*4882a593Smuzhiyun		mode-val = <NETXBIG_LED_OFF 0
77*4882a593Smuzhiyun			    NETXBIG_LED_ON 7
78*4882a593Smuzhiyun			    NETXBIG_LED_SATA 1
79*4882a593Smuzhiyun			    NETXBIG_LED_TIMER1 3>;
80*4882a593Smuzhiyun		bright-addr = <2>;
81*4882a593Smuzhiyun		max-brightness = <7>;
82*4882a593Smuzhiyun	};
83*4882a593Smuzhiyun	red-sata1 {
84*4882a593Smuzhiyun		label = "netxbig:red:sata1";
85*4882a593Smuzhiyun		mode-addr = <4>;
86*4882a593Smuzhiyun		mode-val = <NETXBIG_LED_OFF 0
87*4882a593Smuzhiyun			    NETXBIG_LED_ON 2
88*4882a593Smuzhiyun			    NETXBIG_LED_TIMER1 4>;
89*4882a593Smuzhiyun		bright-addr = <2>;
90*4882a593Smuzhiyun		max-brightness = <7>;
91*4882a593Smuzhiyun	};
92*4882a593Smuzhiyun};
93