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*/
 42static 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
 96static struct matrix_keymap_data board_map_data = {
 97	.keymap			= board_keymap,
 98	.keymap_size		= ARRAY_SIZE(board_keymap),
 99};
100
101static 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
108static struct regulator_consumer_supply zoom_vmmc1_supply[] = {
109	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
110};
111
112static struct regulator_consumer_supply zoom_vsim_supply[] = {
113	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
114};
115
116static struct regulator_consumer_supply zoom_vmmc2_supply[] = {
117	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
118};
119
120static 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 */
125static 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 */
140static 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) */
155static 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
169static 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
177static 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
187static struct platform_device omap_vwlan_device = {
188	.name		= "reg-fixed-voltage",
189	.id		= 1,
190	.dev = {
191		.platform_data	= &zoom_vwlan,
192	},
193};
194
195static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
196	/* ZOOM ref clock is 26 MHz */
197	.board_ref_clock = 1,
198};
199
200static 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
229static 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 */
248static void zoom2_set_hs_extmute(int mute)
249{
250	gpio_set_value(ZOOM2_HEADSET_EXTMUTE_GPIO, mute);
251}
252
253static 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
260static 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
269static 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
290static 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
297void __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}