1 /*
2 * arch/arm/mach-mvbu/board-netxbig.c
3 *
4 * LaCie 2Big and 5Big Network v2 board setup
5 *
6 * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19 #include <linux/kernel.h>
20 #include <linux/of.h>
21 #include <linux/platform_device.h>
22 #include <linux/platform_data/leds-kirkwood-netxbig.h>
23 #include "common.h"
24
25 /*****************************************************************************
26 * GPIO extension LEDs
27 ****************************************************************************/
28
29 /*
30 * The LEDs are controlled by a CPLD and can be configured through a GPIO
31 * extension bus:
32 *
33 * - address register : bit [0-2] -> GPIO [47-49]
34 * - data register : bit [0-2] -> GPIO [44-46]
35 * - enable register : GPIO 29
36 */
37
38 static int netxbig_v2_gpio_ext_addr[] = { 47, 48, 49 };
39 static int netxbig_v2_gpio_ext_data[] = { 44, 45, 46 };
40
41 static struct netxbig_gpio_ext netxbig_v2_gpio_ext = {
42 .addr = netxbig_v2_gpio_ext_addr,
43 .num_addr = ARRAY_SIZE(netxbig_v2_gpio_ext_addr),
44 .data = netxbig_v2_gpio_ext_data,
45 .num_data = ARRAY_SIZE(netxbig_v2_gpio_ext_data),
46 .enable = 29,
47 };
48
49 /*
50 * Address register selection:
51 *
52 * addr | register
53 * ----------------------------
54 * 0 | front LED
55 * 1 | front LED brightness
56 * 2 | SATA LED brightness
57 * 3 | SATA0 LED
58 * 4 | SATA1 LED
59 * 5 | SATA2 LED
60 * 6 | SATA3 LED
61 * 7 | SATA4 LED
62 *
63 * Data register configuration:
64 *
65 * data | LED brightness
66 * -------------------------------------------------
67 * 0 | min (off)
68 * - | -
69 * 7 | max
70 *
71 * data | front LED mode
72 * -------------------------------------------------
73 * 0 | fix off
74 * 1 | fix blue on
75 * 2 | fix red on
76 * 3 | blink blue on=1 sec and blue off=1 sec
77 * 4 | blink red on=1 sec and red off=1 sec
78 * 5 | blink blue on=2.5 sec and red on=0.5 sec
79 * 6 | blink blue on=1 sec and red on=1 sec
80 * 7 | blink blue on=0.5 sec and blue off=2.5 sec
81 *
82 * data | SATA LED mode
83 * -------------------------------------------------
84 * 0 | fix off
85 * 1 | SATA activity blink
86 * 2 | fix red on
87 * 3 | blink blue on=1 sec and blue off=1 sec
88 * 4 | blink red on=1 sec and red off=1 sec
89 * 5 | blink blue on=2.5 sec and red on=0.5 sec
90 * 6 | blink blue on=1 sec and red on=1 sec
91 * 7 | fix blue on
92 */
93
94 static int netxbig_v2_red_mled[NETXBIG_LED_MODE_NUM] = {
95 [NETXBIG_LED_OFF] = 0,
96 [NETXBIG_LED_ON] = 2,
97 [NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
98 [NETXBIG_LED_TIMER1] = 4,
99 [NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
100 };
101
102 static int netxbig_v2_blue_pwr_mled[NETXBIG_LED_MODE_NUM] = {
103 [NETXBIG_LED_OFF] = 0,
104 [NETXBIG_LED_ON] = 1,
105 [NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
106 [NETXBIG_LED_TIMER1] = 3,
107 [NETXBIG_LED_TIMER2] = 7,
108 };
109
110 static int netxbig_v2_blue_sata_mled[NETXBIG_LED_MODE_NUM] = {
111 [NETXBIG_LED_OFF] = 0,
112 [NETXBIG_LED_ON] = 7,
113 [NETXBIG_LED_SATA] = 1,
114 [NETXBIG_LED_TIMER1] = 3,
115 [NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
116 };
117
118 static struct netxbig_led_timer netxbig_v2_led_timer[] = {
119 [0] = {
120 .delay_on = 500,
121 .delay_off = 500,
122 .mode = NETXBIG_LED_TIMER1,
123 },
124 [1] = {
125 .delay_on = 500,
126 .delay_off = 1000,
127 .mode = NETXBIG_LED_TIMER2,
128 },
129 };
130
131 #define NETXBIG_LED(_name, maddr, mval, baddr) \
132 { .name = _name, \
133 .mode_addr = maddr, \
134 .mode_val = mval, \
135 .bright_addr = baddr }
136
137 static struct netxbig_led net2big_v2_leds_ctrl[] = {
138 NETXBIG_LED("net2big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
139 NETXBIG_LED("net2big-v2:red:power", 0, netxbig_v2_red_mled, 1),
140 NETXBIG_LED("net2big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
141 NETXBIG_LED("net2big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
142 NETXBIG_LED("net2big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
143 NETXBIG_LED("net2big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
144 };
145
146 static struct netxbig_led_platform_data net2big_v2_leds_data = {
147 .gpio_ext = &netxbig_v2_gpio_ext,
148 .timer = netxbig_v2_led_timer,
149 .num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
150 .leds = net2big_v2_leds_ctrl,
151 .num_leds = ARRAY_SIZE(net2big_v2_leds_ctrl),
152 };
153
154 static struct netxbig_led net5big_v2_leds_ctrl[] = {
155 NETXBIG_LED("net5big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
156 NETXBIG_LED("net5big-v2:red:power", 0, netxbig_v2_red_mled, 1),
157 NETXBIG_LED("net5big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
158 NETXBIG_LED("net5big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
159 NETXBIG_LED("net5big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
160 NETXBIG_LED("net5big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
161 NETXBIG_LED("net5big-v2:blue:sata2", 5, netxbig_v2_blue_sata_mled, 2),
162 NETXBIG_LED("net5big-v2:red:sata2", 5, netxbig_v2_red_mled, 2),
163 NETXBIG_LED("net5big-v2:blue:sata3", 6, netxbig_v2_blue_sata_mled, 2),
164 NETXBIG_LED("net5big-v2:red:sata3", 6, netxbig_v2_red_mled, 2),
165 NETXBIG_LED("net5big-v2:blue:sata4", 7, netxbig_v2_blue_sata_mled, 2),
166 NETXBIG_LED("net5big-v2:red:sata4", 7, netxbig_v2_red_mled, 2),
167 };
168
169 static struct netxbig_led_platform_data net5big_v2_leds_data = {
170 .gpio_ext = &netxbig_v2_gpio_ext,
171 .timer = netxbig_v2_led_timer,
172 .num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
173 .leds = net5big_v2_leds_ctrl,
174 .num_leds = ARRAY_SIZE(net5big_v2_leds_ctrl),
175 };
176
177 static struct platform_device netxbig_v2_leds = {
178 .name = "leds-netxbig",
179 .id = -1,
180 .dev = {
181 .platform_data = &net2big_v2_leds_data,
182 },
183 };
184
netxbig_init(void)185 void __init netxbig_init(void)
186 {
187
188 if (of_machine_is_compatible("lacie,net5big_v2"))
189 netxbig_v2_leds.dev.platform_data = &net5big_v2_leds_data;
190 platform_device_register(&netxbig_v2_leds);
191 }
192