1/*
  2 * linux/arch/arm/mach-omap2/board-ldp.c
  3 *
  4 * Copyright (C) 2008 Texas Instruments Inc.
  5 * Nishant Kamat <nskamat@ti.com>
  6 *
  7 * Modified from mach-omap2/board-3430sdp.c
  8 *
  9 * This program is free software; you can redistribute it and/or modify
 10 * it under the terms of the GNU General Public License version 2 as
 11 * published by the Free Software Foundation.
 12 */
 13
 14#include <linux/kernel.h>
 15#include <linux/init.h>
 16#include <linux/platform_device.h>
 17#include <linux/delay.h>
 18#include <linux/input.h>
 19#include <linux/input/matrix_keypad.h>
 20#include <linux/gpio_keys.h>
 21#include <linux/workqueue.h>
 22#include <linux/err.h>
 23#include <linux/clk.h>
 24#include <linux/spi/spi.h>
 25#include <linux/regulator/machine.h>
 26#include <linux/i2c/twl.h>
 27#include <linux/io.h>
 28#include <linux/smsc911x.h>
 29#include <linux/mmc/host.h>
 30
 31#include <mach/hardware.h>
 32#include <asm/mach-types.h>
 33#include <asm/mach/arch.h>
 34#include <asm/mach/map.h>
 35
 36#include <plat/mcspi.h>
 37#include <mach/gpio.h>
 38#include <plat/board.h>
 39#include <plat/common.h>
 40#include <plat/gpmc.h>
 41#include <mach/board-zoom.h>
 42
 43#include <asm/delay.h>
 44#include <plat/usb.h>
 45#include <plat/gpmc-smsc911x.h>
 46
 47#include "board-flash.h"
 48#include "mux.h"
 49#include "hsmmc.h"
 50#include "control.h"
 51#include "common-board-devices.h"
 52
 53#define LDP_SMSC911X_CS		1
 54#define LDP_SMSC911X_GPIO	152
 55#define DEBUG_BASE		0x08000000
 56#define LDP_ETHR_START		DEBUG_BASE
 57
 58static uint32_t board_keymap[] = {
 59	KEY(0, 0, KEY_1),
 60	KEY(1, 0, KEY_2),
 61	KEY(2, 0, KEY_3),
 62	KEY(0, 1, KEY_4),
 63	KEY(1, 1, KEY_5),
 64	KEY(2, 1, KEY_6),
 65	KEY(3, 1, KEY_F5),
 66	KEY(0, 2, KEY_7),
 67	KEY(1, 2, KEY_8),
 68	KEY(2, 2, KEY_9),
 69	KEY(3, 2, KEY_F6),
 70	KEY(0, 3, KEY_F7),
 71	KEY(1, 3, KEY_0),
 72	KEY(2, 3, KEY_F8),
 73	PERSISTENT_KEY(4, 5),
 74	KEY(4, 4, KEY_VOLUMEUP),
 75	KEY(5, 5, KEY_VOLUMEDOWN),
 76	0
 77};
 78
 79static struct matrix_keymap_data board_map_data = {
 80	.keymap			= board_keymap,
 81	.keymap_size		= ARRAY_SIZE(board_keymap),
 82};
 83
 84static struct twl4030_keypad_data ldp_kp_twl4030_data = {
 85	.keymap_data	= &board_map_data,
 86	.rows		= 6,
 87	.cols		= 6,
 88	.rep		= 1,
 89};
 90
 91static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
 92	[0] = {
 93		.code			= KEY_ENTER,
 94		.gpio			= 101,
 95		.desc			= "enter sw",
 96		.active_low		= 1,
 97		.debounce_interval	= 30,
 98	},
 99	[1] = {
100		.code			= KEY_F1,
101		.gpio			= 102,
102		.desc			= "func 1",
103		.active_low		= 1,
104		.debounce_interval	= 30,
105	},
106	[2] = {
107		.code			= KEY_F2,
108		.gpio			= 103,
109		.desc			= "func 2",
110		.active_low		= 1,
111		.debounce_interval	= 30,
112	},
113	[3] = {
114		.code			= KEY_F3,
115		.gpio			= 104,
116		.desc			= "func 3",
117		.active_low		= 1,
118		.debounce_interval 	= 30,
119	},
120	[4] = {
121		.code			= KEY_F4,
122		.gpio			= 105,
123		.desc			= "func 4",
124		.active_low		= 1,
125		.debounce_interval	= 30,
126	},
127	[5] = {
128		.code			= KEY_LEFT,
129		.gpio			= 106,
130		.desc			= "left sw",
131		.active_low		= 1,
132		.debounce_interval	= 30,
133	},
134	[6] = {
135		.code			= KEY_RIGHT,
136		.gpio			= 107,
137		.desc			= "right sw",
138		.active_low		= 1,
139		.debounce_interval	= 30,
140	},
141	[7] = {
142		.code			= KEY_UP,
143		.gpio			= 108,
144		.desc			= "up sw",
145		.active_low		= 1,
146		.debounce_interval	= 30,
147	},
148	[8] = {
149		.code			= KEY_DOWN,
150		.gpio			= 109,
151		.desc			= "down sw",
152		.active_low		= 1,
153		.debounce_interval	= 30,
154	},
155};
156
157static struct gpio_keys_platform_data ldp_gpio_keys = {
158	.buttons		= ldp_gpio_keys_buttons,
159	.nbuttons		= ARRAY_SIZE(ldp_gpio_keys_buttons),
160	.rep			= 1,
161};
162
163static struct platform_device ldp_gpio_keys_device = {
164	.name		= "gpio-keys",
165	.id		= -1,
166	.dev		= {
167		.platform_data	= &ldp_gpio_keys,
168	},
169};
170
171static struct omap_smsc911x_platform_data smsc911x_cfg = {
172	.cs             = LDP_SMSC911X_CS,
173	.gpio_irq       = LDP_SMSC911X_GPIO,
174	.gpio_reset     = -EINVAL,
175	.flags		= SMSC911X_USE_32BIT,
176};
177
178static inline void __init ldp_init_smsc911x(void)
179{
180	gpmc_smsc911x_init(&smsc911x_cfg);
181}
182
183static struct platform_device ldp_lcd_device = {
184	.name		= "ldp_lcd",
185	.id		= -1,
186};
187
188static struct omap_lcd_config ldp_lcd_config __initdata = {
189	.ctrl_name	= "internal",
190};
191
192static struct omap_board_config_kernel ldp_config[] __initdata = {
193	{ OMAP_TAG_LCD,		&ldp_lcd_config },
194};
195
196static void __init omap_ldp_init_early(void)
197{
198	omap2_init_common_infrastructure();
199	omap2_init_common_devices(NULL, NULL);
200}
201
202static struct twl4030_gpio_platform_data ldp_gpio_data = {
203	.gpio_base	= OMAP_MAX_GPIO_LINES,
204	.irq_base	= TWL4030_GPIO_IRQ_BASE,
205	.irq_end	= TWL4030_GPIO_IRQ_END,
206};
207
208static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
209	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
210};
211
212/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
213static struct regulator_init_data ldp_vmmc1 = {
214	.constraints = {
215		.min_uV			= 1850000,
216		.max_uV			= 3150000,
217		.valid_modes_mask	= REGULATOR_MODE_NORMAL
218					| REGULATOR_MODE_STANDBY,
219		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
220					| REGULATOR_CHANGE_MODE
221					| REGULATOR_CHANGE_STATUS,
222	},
223	.num_consumer_supplies	= ARRAY_SIZE(ldp_vmmc1_supply),
224	.consumer_supplies	= ldp_vmmc1_supply,
225};
226
227/* ads7846 on SPI */
228static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
229	REGULATOR_SUPPLY("vcc", "spi1.0"),
230};
231
232/* VAUX1 */
233static struct regulator_init_data ldp_vaux1 = {
234	.constraints = {
235		.min_uV			= 3000000,
236		.max_uV			= 3000000,
237		.apply_uV		= true,
238		.valid_modes_mask	= REGULATOR_MODE_NORMAL
239					| REGULATOR_MODE_STANDBY,
240		.valid_ops_mask		= REGULATOR_CHANGE_MODE
241					| REGULATOR_CHANGE_STATUS,
242	},
243	.num_consumer_supplies		= ARRAY_SIZE(ldp_vaux1_supplies),
244	.consumer_supplies		= ldp_vaux1_supplies,
245};
246
247static struct twl4030_platform_data ldp_twldata = {
248	/* platform_data for children goes here */
249	.vmmc1		= &ldp_vmmc1,
250	.vaux1		= &ldp_vaux1,
251	.gpio		= &ldp_gpio_data,
252	.keypad		= &ldp_kp_twl4030_data,
253};
254
255static int __init omap_i2c_init(void)
256{
257	omap3_pmic_get_config(&ldp_twldata,
258			  TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
259	omap3_pmic_init("twl4030", &ldp_twldata);
260	omap_register_i2c_bus(2, 400, NULL, 0);
261	omap_register_i2c_bus(3, 400, NULL, 0);
262	return 0;
263}
264
265static struct omap2_hsmmc_info mmc[] __initdata = {
266	{
267		.mmc		= 1,
268		.caps		= MMC_CAP_4_BIT_DATA,
269		.gpio_cd	= -EINVAL,
270		.gpio_wp	= -EINVAL,
271	},
272	{}	/* Terminator */
273};
274
275static struct platform_device *ldp_devices[] __initdata = {
276	&ldp_lcd_device,
277	&ldp_gpio_keys_device,
278};
279
280#ifdef CONFIG_OMAP_MUX
281static struct omap_board_mux board_mux[] __initdata = {
282	{ .reg_offset = OMAP_MUX_TERMINATOR },
283};
284#endif
285
286static struct mtd_partition ldp_nand_partitions[] = {
287	/* All the partition sizes are listed in terms of NAND block size */
288	{
289		.name		= "X-Loader-NAND",
290		.offset		= 0,
291		.size		= 4 * (64 * 2048),	/* 512KB, 0x80000 */
292		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
293	},
294	{
295		.name		= "U-Boot-NAND",
296		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
297		.size		= 10 * (64 * 2048),	/* 1.25MB, 0x140000 */
298		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
299	},
300	{
301		.name		= "Boot Env-NAND",
302		.offset		= MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
303		.size		= 2 * (64 * 2048),	/* 256KB, 0x40000 */
304	},
305	{
306		.name		= "Kernel-NAND",
307		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x0200000*/
308		.size		= 240 * (64 * 2048),	/* 30M, 0x1E00000 */
309	},
310	{
311		.name		= "File System - NAND",
312		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x2000000 */
313		.size		= MTDPART_SIZ_FULL,	/* 96MB, 0x6000000 */
314	},
315
316};
317
318static void __init omap_ldp_init(void)
319{
320	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
321	omap_board_config = ldp_config;
322	omap_board_config_size = ARRAY_SIZE(ldp_config);
323	ldp_init_smsc911x();
324	omap_i2c_init();
325	platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
326	omap_ads7846_init(1, 54, 310, NULL);
327	omap_serial_init();
328	usb_musb_init(NULL);
329	board_nand_init(ldp_nand_partitions,
330		ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0);
331
332	omap2_hsmmc_init(mmc);
333}
334
335MACHINE_START(OMAP_LDP, "OMAP LDP board")
336	.boot_params	= 0x80000100,
337	.reserve	= omap_reserve,
338	.map_io		= omap3_map_io,
339	.init_early	= omap_ldp_init_early,
340	.init_irq	= omap3_init_irq,
341	.init_machine	= omap_ldp_init,
342	.timer		= &omap3_timer,
343MACHINE_END