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