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
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/map.h>
26
27 #include "common.h"
28 #include <plat/usb.h>
29
30 #include <mach/board-zoom.h>
31
32 #include "mux.h"
33 #include "hsmmc.h"
34 #include "common-board-devices.h"
35
36 #define OMAP_ZOOM_WLAN_PMENA_GPIO (101)
37 #define OMAP_ZOOM_WLAN_IRQ_GPIO (162)
38
39 #define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES)
40
41 /* Zoom2 has Qwerty keyboard*/
42 static uint32_t board_keymap[] = {
43 KEY(0, 0, KEY_E),
44 KEY(0, 1, KEY_R),
45 KEY(0, 2, KEY_T),
46 KEY(0, 3, KEY_HOME),
47 KEY(0, 6, KEY_I),
48 KEY(0, 7, KEY_LEFTSHIFT),
49 KEY(1, 0, KEY_D),
50 KEY(1, 1, KEY_F),
51 KEY(1, 2, KEY_G),
52 KEY(1, 3, KEY_SEND),
53 KEY(1, 6, KEY_K),
54 KEY(1, 7, KEY_ENTER),
55 KEY(2, 0, KEY_X),
56 KEY(2, 1, KEY_C),
57 KEY(2, 2, KEY_V),
58 KEY(2, 3, KEY_END),
59 KEY(2, 6, KEY_DOT),
60 KEY(2, 7, KEY_CAPSLOCK),
61 KEY(3, 0, KEY_Z),
62 KEY(3, 1, KEY_KPPLUS),
63 KEY(3, 2, KEY_B),
64 KEY(3, 3, KEY_F1),
65 KEY(3, 6, KEY_O),
66 KEY(3, 7, KEY_SPACE),
67 KEY(4, 0, KEY_W),
68 KEY(4, 1, KEY_Y),
69 KEY(4, 2, KEY_U),
70 KEY(4, 3, KEY_F2),
71 KEY(4, 4, KEY_VOLUMEUP),
72 KEY(4, 6, KEY_L),
73 KEY(4, 7, KEY_LEFT),
74 KEY(5, 0, KEY_S),
75 KEY(5, 1, KEY_H),
76 KEY(5, 2, KEY_J),
77 KEY(5, 3, KEY_F3),
78 KEY(5, 4, KEY_UNKNOWN),
79 KEY(5, 5, KEY_VOLUMEDOWN),
80 KEY(5, 6, KEY_M),
81 KEY(5, 7, KEY_RIGHT),
82 KEY(6, 0, KEY_Q),
83 KEY(6, 1, KEY_A),
84 KEY(6, 2, KEY_N),
85 KEY(6, 3, KEY_BACKSPACE),
86 KEY(6, 6, KEY_P),
87 KEY(6, 7, KEY_UP),
88 KEY(7, 0, KEY_PROG1), /*MACRO 1 <User defined> */
89 KEY(7, 1, KEY_PROG2), /*MACRO 2 <User defined> */
90 KEY(7, 2, KEY_PROG3), /*MACRO 3 <User defined> */
91 KEY(7, 3, KEY_PROG4), /*MACRO 4 <User defined> */
92 KEY(7, 6, KEY_SELECT),
93 KEY(7, 7, KEY_DOWN)
94 };
95
96 static struct matrix_keymap_data board_map_data = {
97 .keymap = board_keymap,
98 .keymap_size = ARRAY_SIZE(board_keymap),
99 };
100
101 static struct twl4030_keypad_data zoom_kp_twl4030_data = {
102 .keymap_data = &board_map_data,
103 .rows = 8,
104 .cols = 8,
105 .rep = 1,
106 };
107
108 static struct regulator_consumer_supply zoom_vmmc1_supply[] = {
109 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
110 };
111
112 static struct regulator_consumer_supply zoom_vsim_supply[] = {
113 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
114 };
115
116 static struct regulator_consumer_supply zoom_vmmc2_supply[] = {
117 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
118 };
119
120 static struct regulator_consumer_supply zoom_vmmc3_supply[] = {
121 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
122 };
123
124 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
125 static struct regulator_init_data zoom_vmmc1 = {
126 .constraints = {
127 .min_uV = 1850000,
128 .max_uV = 3150000,
129 .valid_modes_mask = REGULATOR_MODE_NORMAL
130 | REGULATOR_MODE_STANDBY,
131 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
132 | REGULATOR_CHANGE_MODE
133 | REGULATOR_CHANGE_STATUS,
134 },
135 .num_consumer_supplies = ARRAY_SIZE(zoom_vmmc1_supply),
136 .consumer_supplies = zoom_vmmc1_supply,
137 };
138
139 /* VMMC2 for MMC2 card */
140 static struct regulator_init_data zoom_vmmc2 = {
141 .constraints = {
142 .min_uV = 1850000,
143 .max_uV = 1850000,
144 .apply_uV = true,
145 .valid_modes_mask = REGULATOR_MODE_NORMAL
146 | REGULATOR_MODE_STANDBY,
147 .valid_ops_mask = REGULATOR_CHANGE_MODE
148 | REGULATOR_CHANGE_STATUS,
149 },
150 .num_consumer_supplies = ARRAY_SIZE(zoom_vmmc2_supply),
151 .consumer_supplies = zoom_vmmc2_supply,
152 };
153
154 /* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
155 static struct regulator_init_data zoom_vsim = {
156 .constraints = {
157 .min_uV = 1800000,
158 .max_uV = 3000000,
159 .valid_modes_mask = REGULATOR_MODE_NORMAL
160 | REGULATOR_MODE_STANDBY,
161 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
162 | REGULATOR_CHANGE_MODE
163 | REGULATOR_CHANGE_STATUS,
164 },
165 .num_consumer_supplies = ARRAY_SIZE(zoom_vsim_supply),
166 .consumer_supplies = zoom_vsim_supply,
167 };
168
169 static struct regulator_init_data zoom_vmmc3 = {
170 .constraints = {
171 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
172 },
173 .num_consumer_supplies = ARRAY_SIZE(zoom_vmmc3_supply),
174 .consumer_supplies = zoom_vmmc3_supply,
175 };
176
177 static struct fixed_voltage_config zoom_vwlan = {
178 .supply_name = "vwl1271",
179 .microvolts = 1800000, /* 1.8V */
180 .gpio = OMAP_ZOOM_WLAN_PMENA_GPIO,
181 .startup_delay = 70000, /* 70msec */
182 .enable_high = 1,
183 .enabled_at_boot = 0,
184 .init_data = &zoom_vmmc3,
185 };
186
187 static struct platform_device omap_vwlan_device = {
188 .name = "reg-fixed-voltage",
189 .id = 1,
190 .dev = {
191 .platform_data = &zoom_vwlan,
192 },
193 };
194
195 static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
196 /* ZOOM ref clock is 26 MHz */
197 .board_ref_clock = 1,
198 };
199
200 static struct omap2_hsmmc_info mmc[] = {
201 {
202 .name = "external",
203 .mmc = 1,
204 .caps = MMC_CAP_4_BIT_DATA,
205 .gpio_wp = -EINVAL,
206 .power_saving = true,
207 .deferred = true,
208 },
209 {
210 .name = "internal",
211 .mmc = 2,
212 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
213 .gpio_cd = -EINVAL,
214 .gpio_wp = -EINVAL,
215 .nonremovable = true,
216 .power_saving = true,
217 },
218 {
219 .name = "wl1271",
220 .mmc = 3,
221 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
222 .gpio_wp = -EINVAL,
223 .gpio_cd = -EINVAL,
224 .nonremovable = true,
225 },
226 {} /* Terminator */
227 };
228
zoom_twl_gpio_setup(struct device * dev,unsigned gpio,unsigned ngpio)229 static int zoom_twl_gpio_setup(struct device *dev,
230 unsigned gpio, unsigned ngpio)
231 {
232 int ret;
233
234 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
235 mmc[0].gpio_cd = gpio + 0;
236 omap_hsmmc_late_init(mmc);
237
238 ret = gpio_request_one(LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
239 "lcd enable");
240 if (ret)
241 pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).\n",
242 LCD_PANEL_ENABLE_GPIO);
243
244 return ret;
245 }
246
247 /* EXTMUTE callback function */
zoom2_set_hs_extmute(int mute)248 static void zoom2_set_hs_extmute(int mute)
249 {
250 gpio_set_value(ZOOM2_HEADSET_EXTMUTE_GPIO, mute);
251 }
252
253 static struct twl4030_gpio_platform_data zoom_gpio_data = {
254 .gpio_base = OMAP_MAX_GPIO_LINES,
255 .irq_base = TWL4030_GPIO_IRQ_BASE,
256 .irq_end = TWL4030_GPIO_IRQ_END,
257 .setup = zoom_twl_gpio_setup,
258 };
259
260 static struct twl4030_platform_data zoom_twldata = {
261 /* platform_data for children goes here */
262 .gpio = &zoom_gpio_data,
263 .keypad = &zoom_kp_twl4030_data,
264 .vmmc1 = &zoom_vmmc1,
265 .vmmc2 = &zoom_vmmc2,
266 .vsim = &zoom_vsim,
267 };
268
omap_i2c_init(void)269 static int __init omap_i2c_init(void)
270 {
271 omap3_pmic_get_config(&zoom_twldata,
272 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_BCI |
273 TWL_COMMON_PDATA_MADC | TWL_COMMON_PDATA_AUDIO,
274 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
275
276 if (machine_is_omap_zoom2()) {
277 struct twl4030_codec_data *codec_data;
278 codec_data = zoom_twldata.audio->codec;
279
280 codec_data->ramp_delay_value = 3; /* 161 ms */
281 codec_data->hs_extmute = 1;
282 codec_data->set_hs_extmute = zoom2_set_hs_extmute;
283 }
284 omap_pmic_init(1, 2400, "twl5030", INT_34XX_SYS_NIRQ, &zoom_twldata);
285 omap_register_i2c_bus(2, 400, NULL, 0);
286 omap_register_i2c_bus(3, 400, NULL, 0);
287 return 0;
288 }
289
enable_board_wakeup_source(void)290 static void enable_board_wakeup_source(void)
291 {
292 /* T2 interrupt line (keypad) */
293 omap_mux_init_signal("sys_nirq",
294 OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
295 }
296
zoom_peripherals_init(void)297 void __init zoom_peripherals_init(void)
298 {
299 int ret;
300
301 omap_zoom_wlan_data.irq = gpio_to_irq(OMAP_ZOOM_WLAN_IRQ_GPIO);
302 ret = wl12xx_set_platform_data(&omap_zoom_wlan_data);
303
304 if (ret)
305 pr_err("error setting wl12xx data: %d\n", ret);
306
307 omap_hsmmc_init(mmc);
308 omap_i2c_init();
309 platform_device_register(&omap_vwlan_device);
310 usb_musb_init(NULL);
311 enable_board_wakeup_source();
312 omap_serial_init();
313 }
314