ARM: OMAP: zoom: Use pwm stack for lcd and keyboard backlight
[linux-3.10.git] / arch / arm / mach-omap2 / board-zoom-peripherals.c
1 /*
2  * Copyright (C) 2009 Texas Instruments Inc.
3  *
4  * Modified from mach-omap2/board-zoom2.c
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/input.h>
15 #include <linux/input/matrix_keypad.h>
16 #include <linux/gpio.h>
17 #include <linux/i2c/twl.h>
18 #include <linux/regulator/machine.h>
19 #include <linux/regulator/fixed.h>
20 #include <linux/wl12xx.h>
21 #include <linux/mmc/host.h>
22 #include <linux/platform_data/gpio-omap.h>
23 #include <linux/platform_data/omap-twl4030.h>
24 #include <linux/usb/phy.h>
25 #include <linux/pwm.h>
26 #include <linux/leds_pwm.h>
27 #include <linux/pwm_backlight.h>
28
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32
33 #include "common.h"
34
35 #include "board-zoom.h"
36
37 #include "mux.h"
38 #include "hsmmc.h"
39 #include "common-board-devices.h"
40
41 #define OMAP_ZOOM_WLAN_PMENA_GPIO       (101)
42 #define OMAP_ZOOM_TSC2004_IRQ_GPIO      (153)
43 #define OMAP_ZOOM_WLAN_IRQ_GPIO         (162)
44
45 /* Zoom2 has Qwerty keyboard*/
46 static uint32_t board_keymap[] = {
47         KEY(0, 0, KEY_E),
48         KEY(0, 1, KEY_R),
49         KEY(0, 2, KEY_T),
50         KEY(0, 3, KEY_HOME),
51         KEY(0, 6, KEY_I),
52         KEY(0, 7, KEY_LEFTSHIFT),
53         KEY(1, 0, KEY_D),
54         KEY(1, 1, KEY_F),
55         KEY(1, 2, KEY_G),
56         KEY(1, 3, KEY_SEND),
57         KEY(1, 6, KEY_K),
58         KEY(1, 7, KEY_ENTER),
59         KEY(2, 0, KEY_X),
60         KEY(2, 1, KEY_C),
61         KEY(2, 2, KEY_V),
62         KEY(2, 3, KEY_END),
63         KEY(2, 6, KEY_DOT),
64         KEY(2, 7, KEY_CAPSLOCK),
65         KEY(3, 0, KEY_Z),
66         KEY(3, 1, KEY_KPPLUS),
67         KEY(3, 2, KEY_B),
68         KEY(3, 3, KEY_F1),
69         KEY(3, 6, KEY_O),
70         KEY(3, 7, KEY_SPACE),
71         KEY(4, 0, KEY_W),
72         KEY(4, 1, KEY_Y),
73         KEY(4, 2, KEY_U),
74         KEY(4, 3, KEY_F2),
75         KEY(4, 4, KEY_VOLUMEUP),
76         KEY(4, 6, KEY_L),
77         KEY(4, 7, KEY_LEFT),
78         KEY(5, 0, KEY_S),
79         KEY(5, 1, KEY_H),
80         KEY(5, 2, KEY_J),
81         KEY(5, 3, KEY_F3),
82         KEY(5, 4, KEY_UNKNOWN),
83         KEY(5, 5, KEY_VOLUMEDOWN),
84         KEY(5, 6, KEY_M),
85         KEY(5, 7, KEY_RIGHT),
86         KEY(6, 0, KEY_Q),
87         KEY(6, 1, KEY_A),
88         KEY(6, 2, KEY_N),
89         KEY(6, 3, KEY_BACKSPACE),
90         KEY(6, 6, KEY_P),
91         KEY(6, 7, KEY_UP),
92         KEY(7, 0, KEY_PROG1),   /*MACRO 1 <User defined> */
93         KEY(7, 1, KEY_PROG2),   /*MACRO 2 <User defined> */
94         KEY(7, 2, KEY_PROG3),   /*MACRO 3 <User defined> */
95         KEY(7, 3, KEY_PROG4),   /*MACRO 4 <User defined> */
96         KEY(7, 6, KEY_SELECT),
97         KEY(7, 7, KEY_DOWN)
98 };
99
100 static struct matrix_keymap_data board_map_data = {
101         .keymap                 = board_keymap,
102         .keymap_size            = ARRAY_SIZE(board_keymap),
103 };
104
105 static struct twl4030_keypad_data zoom_kp_twl4030_data = {
106         .keymap_data    = &board_map_data,
107         .rows           = 8,
108         .cols           = 8,
109         .rep            = 1,
110 };
111
112 static struct regulator_consumer_supply zoom_vmmc1_supply[] = {
113         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
114 };
115
116 static struct regulator_consumer_supply zoom_vsim_supply[] = {
117         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
118 };
119
120 static struct regulator_consumer_supply zoom_vmmc2_supply[] = {
121         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
122 };
123
124 static struct regulator_consumer_supply zoom_vmmc3_supply[] = {
125         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
126 };
127
128 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
129 static struct regulator_init_data zoom_vmmc1 = {
130         .constraints = {
131                 .min_uV                 = 1850000,
132                 .max_uV                 = 3150000,
133                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
134                                         | REGULATOR_MODE_STANDBY,
135                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
136                                         | REGULATOR_CHANGE_MODE
137                                         | REGULATOR_CHANGE_STATUS,
138         },
139         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc1_supply),
140         .consumer_supplies      = zoom_vmmc1_supply,
141 };
142
143 /* VMMC2 for MMC2 card */
144 static struct regulator_init_data zoom_vmmc2 = {
145         .constraints = {
146                 .min_uV                 = 1850000,
147                 .max_uV                 = 1850000,
148                 .apply_uV               = true,
149                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
150                                         | REGULATOR_MODE_STANDBY,
151                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
152                                         | REGULATOR_CHANGE_STATUS,
153         },
154         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc2_supply),
155         .consumer_supplies      = zoom_vmmc2_supply,
156 };
157
158 /* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
159 static struct regulator_init_data zoom_vsim = {
160         .constraints = {
161                 .min_uV                 = 1800000,
162                 .max_uV                 = 3000000,
163                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
164                                         | REGULATOR_MODE_STANDBY,
165                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
166                                         | REGULATOR_CHANGE_MODE
167                                         | REGULATOR_CHANGE_STATUS,
168         },
169         .num_consumer_supplies  = ARRAY_SIZE(zoom_vsim_supply),
170         .consumer_supplies      = zoom_vsim_supply,
171 };
172
173 static struct regulator_init_data zoom_vmmc3 = {
174         .constraints = {
175                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
176         },
177         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc3_supply),
178         .consumer_supplies      = zoom_vmmc3_supply,
179 };
180
181 static struct fixed_voltage_config zoom_vwlan = {
182         .supply_name            = "vwl1271",
183         .microvolts             = 1800000, /* 1.8V */
184         .gpio                   = OMAP_ZOOM_WLAN_PMENA_GPIO,
185         .startup_delay          = 70000, /* 70msec */
186         .enable_high            = 1,
187         .enabled_at_boot        = 0,
188         .init_data              = &zoom_vmmc3,
189 };
190
191 static struct platform_device omap_vwlan_device = {
192         .name           = "reg-fixed-voltage",
193         .id             = 1,
194         .dev = {
195                 .platform_data  = &zoom_vwlan,
196         },
197 };
198
199 static struct pwm_lookup zoom_pwm_lookup[] = {
200         PWM_LOOKUP("twl-pwm", 0, "leds_pwm", "zoom::keypad"),
201         PWM_LOOKUP("twl-pwm", 1, "pwm-backlight", "backlight"),
202 };
203
204 static struct led_pwm zoom_pwm_leds[] = {
205         {
206                 .name           = "zoom::keypad",
207                 .max_brightness = 127,
208                 .pwm_period_ns  = 7812500,
209         },
210 };
211
212 static struct led_pwm_platform_data zoom_pwm_data = {
213         .num_leds       = ARRAY_SIZE(zoom_pwm_leds),
214         .leds           = zoom_pwm_leds,
215 };
216
217 static struct platform_device zoom_leds_pwm = {
218         .name   = "leds_pwm",
219         .id     = -1,
220         .dev    = {
221                 .platform_data = &zoom_pwm_data,
222         },
223 };
224
225 static struct platform_pwm_backlight_data zoom_backlight_data = {
226         .pwm_id = 1,
227         .max_brightness = 127,
228         .dft_brightness = 127,
229         .pwm_period_ns = 7812500,
230 };
231
232 static struct platform_device zoom_backlight_pwm = {
233         .name   = "pwm-backlight",
234         .id     = -1,
235         .dev    = {
236                 .platform_data = &zoom_backlight_data,
237         },
238 };
239
240 static struct platform_device *zoom_devices[] __initdata = {
241         &omap_vwlan_device,
242         &zoom_leds_pwm,
243         &zoom_backlight_pwm,
244 };
245
246 static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
247         .board_ref_clock = WL12XX_REFCLOCK_26, /* 26 MHz */
248 };
249
250 static struct omap2_hsmmc_info mmc[] = {
251         {
252                 .name           = "external",
253                 .mmc            = 1,
254                 .caps           = MMC_CAP_4_BIT_DATA,
255                 .gpio_wp        = -EINVAL,
256                 .power_saving   = true,
257                 .deferred       = true,
258         },
259         {
260                 .name           = "internal",
261                 .mmc            = 2,
262                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
263                 .gpio_cd        = -EINVAL,
264                 .gpio_wp        = -EINVAL,
265                 .nonremovable   = true,
266                 .power_saving   = true,
267         },
268         {
269                 .name           = "wl1271",
270                 .mmc            = 3,
271                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
272                 .gpio_wp        = -EINVAL,
273                 .gpio_cd        = -EINVAL,
274                 .nonremovable   = true,
275         },
276         {}      /* Terminator */
277 };
278
279 static struct omap_tw4030_pdata omap_twl4030_audio_data = {
280         .voice_connected = true,
281         .custom_routing = true,
282
283         .has_hs         = OMAP_TWL4030_LEFT | OMAP_TWL4030_RIGHT,
284         .has_hf         = OMAP_TWL4030_LEFT | OMAP_TWL4030_RIGHT,
285
286         .has_mainmic    = true,
287         .has_submic     = true,
288         .has_hsmic      = true,
289         .has_linein     = OMAP_TWL4030_LEFT | OMAP_TWL4030_RIGHT,
290 };
291
292 static int zoom_twl_gpio_setup(struct device *dev,
293                 unsigned gpio, unsigned ngpio)
294 {
295         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
296         mmc[0].gpio_cd = gpio + 0;
297         omap_hsmmc_late_init(mmc);
298
299         /* Audio setup */
300         omap_twl4030_audio_data.jack_detect = gpio + 2;
301         omap_twl4030_audio_init("Zoom2", &omap_twl4030_audio_data);
302
303         return 0;
304 }
305
306 static struct twl4030_gpio_platform_data zoom_gpio_data = {
307         .setup          = zoom_twl_gpio_setup,
308 };
309
310 static struct twl4030_platform_data zoom_twldata = {
311         /* platform_data for children goes here */
312         .gpio           = &zoom_gpio_data,
313         .keypad         = &zoom_kp_twl4030_data,
314         .vmmc1          = &zoom_vmmc1,
315         .vmmc2          = &zoom_vmmc2,
316         .vsim           = &zoom_vsim,
317 };
318
319 static int __init omap_i2c_init(void)
320 {
321         omap3_pmic_get_config(&zoom_twldata,
322                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_BCI |
323                         TWL_COMMON_PDATA_MADC | TWL_COMMON_PDATA_AUDIO,
324                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
325
326         if (machine_is_omap_zoom2())
327                 zoom_twldata.audio->codec->ramp_delay_value = 3; /* 161 ms */
328
329         omap_pmic_init(1, 2400, "twl5030", 7 + OMAP_INTC_START, &zoom_twldata);
330         omap_register_i2c_bus(2, 400, NULL, 0);
331         omap_register_i2c_bus(3, 400, NULL, 0);
332         return 0;
333 }
334
335 static void enable_board_wakeup_source(void)
336 {
337         /* T2 interrupt line (keypad) */
338         omap_mux_init_signal("sys_nirq",
339                 OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
340 }
341
342 void __init zoom_peripherals_init(void)
343 {
344         int ret;
345
346         omap_zoom_wlan_data.irq = gpio_to_irq(OMAP_ZOOM_WLAN_IRQ_GPIO);
347         ret = wl12xx_set_platform_data(&omap_zoom_wlan_data);
348
349         if (ret)
350                 pr_err("error setting wl12xx data: %d\n", ret);
351
352         omap_hsmmc_init(mmc);
353         omap_i2c_init();
354         pwm_add_table(zoom_pwm_lookup, ARRAY_SIZE(zoom_pwm_lookup));
355         platform_add_devices(zoom_devices, ARRAY_SIZE(zoom_devices));
356         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
357         usb_musb_init(NULL);
358         enable_board_wakeup_source();
359         omap_serial_init();
360 }