board-3430sdp.c revision 58cda884ecc87dcce18d463b0c8bd928dae63ad8
1/*
2 * linux/arch/arm/mach-omap2/board-3430sdp.c
3 *
4 * Copyright (C) 2007 Texas Instruments
5 *
6 * Modified from mach-omap2/board-generic.c
7 *
8 * Initial code: Syed Mohammed Khasim
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/platform_device.h>
18#include <linux/delay.h>
19#include <linux/input.h>
20#include <linux/spi/spi.h>
21#include <linux/spi/ads7846.h>
22#include <linux/i2c/twl4030.h>
23#include <linux/regulator/machine.h>
24#include <linux/io.h>
25#include <linux/gpio.h>
26
27#include <mach/hardware.h>
28#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30#include <asm/mach/map.h>
31
32#include <mach/mcspi.h>
33#include <mach/mux.h>
34#include <mach/board.h>
35#include <mach/usb.h>
36#include <mach/common.h>
37#include <mach/dma.h>
38#include <mach/gpmc.h>
39
40#include <mach/control.h>
41#include <mach/keypad.h>
42#include <mach/gpmc-smc91x.h>
43
44#include "sdram-qimonda-hyb18m512160af-6.h"
45#include "mmc-twl4030.h"
46
47#define CONFIG_DISABLE_HFCLK 1
48
49#define SDP3430_TS_GPIO_IRQ_SDPV1	3
50#define SDP3430_TS_GPIO_IRQ_SDPV2	2
51
52#define ENABLE_VAUX3_DEDICATED	0x03
53#define ENABLE_VAUX3_DEV_GRP	0x20
54
55#define TWL4030_MSECURE_GPIO 22
56
57static int sdp3430_keymap[] = {
58	KEY(0, 0, KEY_LEFT),
59	KEY(0, 1, KEY_RIGHT),
60	KEY(0, 2, KEY_A),
61	KEY(0, 3, KEY_B),
62	KEY(0, 4, KEY_C),
63	KEY(1, 0, KEY_DOWN),
64	KEY(1, 1, KEY_UP),
65	KEY(1, 2, KEY_E),
66	KEY(1, 3, KEY_F),
67	KEY(1, 4, KEY_G),
68	KEY(2, 0, KEY_ENTER),
69	KEY(2, 1, KEY_I),
70	KEY(2, 2, KEY_J),
71	KEY(2, 3, KEY_K),
72	KEY(2, 4, KEY_3),
73	KEY(3, 0, KEY_M),
74	KEY(3, 1, KEY_N),
75	KEY(3, 2, KEY_O),
76	KEY(3, 3, KEY_P),
77	KEY(3, 4, KEY_Q),
78	KEY(4, 0, KEY_R),
79	KEY(4, 1, KEY_4),
80	KEY(4, 2, KEY_T),
81	KEY(4, 3, KEY_U),
82	KEY(4, 4, KEY_D),
83	KEY(5, 0, KEY_V),
84	KEY(5, 1, KEY_W),
85	KEY(5, 2, KEY_L),
86	KEY(5, 3, KEY_S),
87	KEY(5, 4, KEY_H),
88	0
89};
90
91static struct twl4030_keypad_data sdp3430_kp_data = {
92	.rows		= 5,
93	.cols		= 6,
94	.keymap		= sdp3430_keymap,
95	.keymapsize	= ARRAY_SIZE(sdp3430_keymap),
96	.rep		= 1,
97};
98
99static int ts_gpio;	/* Needed for ads7846_get_pendown_state */
100
101/**
102 * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
103 *
104 * @return - void. If request gpio fails then Flag KERN_ERR.
105 */
106static void ads7846_dev_init(void)
107{
108	if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) {
109		printk(KERN_ERR "can't get ads746 pen down GPIO\n");
110		return;
111	}
112
113	gpio_direction_input(ts_gpio);
114
115	omap_set_gpio_debounce(ts_gpio, 1);
116	omap_set_gpio_debounce_time(ts_gpio, 0xa);
117}
118
119static int ads7846_get_pendown_state(void)
120{
121	return !gpio_get_value(ts_gpio);
122}
123
124static struct ads7846_platform_data tsc2046_config __initdata = {
125	.get_pendown_state	= ads7846_get_pendown_state,
126	.keep_vref_on		= 1,
127};
128
129
130static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
131	.turbo_mode	= 0,
132	.single_channel	= 1,	/* 0: slave, 1: master */
133};
134
135static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
136	[0] = {
137		/*
138		 * TSC2046 operates at a max freqency of 2MHz, so
139		 * operate slightly below at 1.5MHz
140		 */
141		.modalias		= "ads7846",
142		.bus_num		= 1,
143		.chip_select		= 0,
144		.max_speed_hz		= 1500000,
145		.controller_data	= &tsc2046_mcspi_config,
146		.irq			= 0,
147		.platform_data		= &tsc2046_config,
148	},
149};
150
151static struct platform_device sdp3430_lcd_device = {
152	.name		= "sdp2430_lcd",
153	.id		= -1,
154};
155
156static struct regulator_consumer_supply sdp3430_vdac_supply = {
157	.supply		= "vdac",
158	.dev		= &sdp3430_lcd_device.dev,
159};
160
161static struct regulator_consumer_supply sdp3430_vdvi_supply = {
162	.supply		= "vdvi",
163	.dev		= &sdp3430_lcd_device.dev,
164};
165
166static struct platform_device *sdp3430_devices[] __initdata = {
167	&sdp3430_lcd_device,
168};
169
170static void __init omap_3430sdp_init_irq(void)
171{
172	omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL);
173	omap_init_irq();
174	omap_gpio_init();
175}
176
177static struct omap_uart_config sdp3430_uart_config __initdata = {
178	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
179};
180
181static struct omap_lcd_config sdp3430_lcd_config __initdata = {
182	.ctrl_name	= "internal",
183};
184
185static struct omap_board_config_kernel sdp3430_config[] __initdata = {
186	{ OMAP_TAG_UART,	&sdp3430_uart_config },
187	{ OMAP_TAG_LCD,		&sdp3430_lcd_config },
188};
189
190static int sdp3430_batt_table[] = {
191/* 0 C*/
19230800, 29500, 28300, 27100,
19326000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
19417200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
19511600, 11200, 10800, 10400, 10000, 9630,   9280,   8950,   8620,   8310,
1968020,   7730,   7460,   7200,   6950,   6710,   6470,   6250,   6040,   5830,
1975640,   5450,   5260,   5090,   4920,   4760,   4600,   4450,   4310,   4170,
1984040,   3910,   3790,   3670,   3550
199};
200
201static struct twl4030_bci_platform_data sdp3430_bci_data = {
202	.battery_tmp_tbl	= sdp3430_batt_table,
203	.tblsize		= ARRAY_SIZE(sdp3430_batt_table),
204};
205
206static struct twl4030_hsmmc_info mmc[] = {
207	{
208		.mmc		= 1,
209		/* 8 bits (default) requires S6.3 == ON,
210		 * so the SIM card isn't used; else 4 bits.
211		 */
212		.wires		= 8,
213		.gpio_wp	= 4,
214	},
215	{
216		.mmc		= 2,
217		.wires		= 8,
218		.gpio_wp	= 7,
219	},
220	{}	/* Terminator */
221};
222
223static struct regulator_consumer_supply sdp3430_vmmc1_supply = {
224	.supply			= "vmmc",
225};
226
227static struct regulator_consumer_supply sdp3430_vsim_supply = {
228	.supply			= "vmmc_aux",
229};
230
231static struct regulator_consumer_supply sdp3430_vmmc2_supply = {
232	.supply			= "vmmc",
233};
234
235static int sdp3430_twl_gpio_setup(struct device *dev,
236		unsigned gpio, unsigned ngpio)
237{
238	/* gpio + 0 is "mmc0_cd" (input/IRQ),
239	 * gpio + 1 is "mmc1_cd" (input/IRQ)
240	 */
241	mmc[0].gpio_cd = gpio + 0;
242	mmc[1].gpio_cd = gpio + 1;
243	twl4030_mmc_init(mmc);
244
245	/* link regulators to MMC adapters ... we "know" the
246	 * regulators will be set up only *after* we return.
247	 */
248	sdp3430_vmmc1_supply.dev = mmc[0].dev;
249	sdp3430_vsim_supply.dev = mmc[0].dev;
250	sdp3430_vmmc2_supply.dev = mmc[1].dev;
251
252	/* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */
253	gpio_request(gpio + 7, "sub_lcd_en_bkl");
254	gpio_direction_output(gpio + 7, 0);
255
256	/* gpio + 15 is "sub_lcd_nRST" (output) */
257	gpio_request(gpio + 15, "sub_lcd_nRST");
258	gpio_direction_output(gpio + 15, 0);
259
260	return 0;
261}
262
263static struct twl4030_gpio_platform_data sdp3430_gpio_data = {
264	.gpio_base	= OMAP_MAX_GPIO_LINES,
265	.irq_base	= TWL4030_GPIO_IRQ_BASE,
266	.irq_end	= TWL4030_GPIO_IRQ_END,
267	.pulldowns	= BIT(2) | BIT(6) | BIT(8) | BIT(13)
268				| BIT(16) | BIT(17),
269	.setup		= sdp3430_twl_gpio_setup,
270};
271
272static struct twl4030_usb_data sdp3430_usb_data = {
273	.usb_mode	= T2_USB_MODE_ULPI,
274};
275
276static struct twl4030_madc_platform_data sdp3430_madc_data = {
277	.irq_line	= 1,
278};
279
280/*
281 * Apply all the fixed voltages since most versions of U-Boot
282 * don't bother with that initialization.
283 */
284
285/* VAUX1 for mainboard (irda and sub-lcd) */
286static struct regulator_init_data sdp3430_vaux1 = {
287	.constraints = {
288		.min_uV			= 2800000,
289		.max_uV			= 2800000,
290		.apply_uV		= true,
291		.valid_modes_mask	= REGULATOR_MODE_NORMAL
292					| REGULATOR_MODE_STANDBY,
293		.valid_ops_mask		= REGULATOR_CHANGE_MODE
294					| REGULATOR_CHANGE_STATUS,
295	},
296};
297
298/* VAUX2 for camera module */
299static struct regulator_init_data sdp3430_vaux2 = {
300	.constraints = {
301		.min_uV			= 2800000,
302		.max_uV			= 2800000,
303		.apply_uV		= true,
304		.valid_modes_mask	= REGULATOR_MODE_NORMAL
305					| REGULATOR_MODE_STANDBY,
306		.valid_ops_mask		= REGULATOR_CHANGE_MODE
307					| REGULATOR_CHANGE_STATUS,
308	},
309};
310
311/* VAUX3 for LCD board */
312static struct regulator_init_data sdp3430_vaux3 = {
313	.constraints = {
314		.min_uV			= 2800000,
315		.max_uV			= 2800000,
316		.apply_uV		= true,
317		.valid_modes_mask	= REGULATOR_MODE_NORMAL
318					| REGULATOR_MODE_STANDBY,
319		.valid_ops_mask		= REGULATOR_CHANGE_MODE
320					| REGULATOR_CHANGE_STATUS,
321	},
322};
323
324/* VAUX4 for OMAP VDD_CSI2 (camera) */
325static struct regulator_init_data sdp3430_vaux4 = {
326	.constraints = {
327		.min_uV			= 1800000,
328		.max_uV			= 1800000,
329		.apply_uV		= true,
330		.valid_modes_mask	= REGULATOR_MODE_NORMAL
331					| REGULATOR_MODE_STANDBY,
332		.valid_ops_mask		= REGULATOR_CHANGE_MODE
333					| REGULATOR_CHANGE_STATUS,
334	},
335};
336
337/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
338static struct regulator_init_data sdp3430_vmmc1 = {
339	.constraints = {
340		.min_uV			= 1850000,
341		.max_uV			= 3150000,
342		.valid_modes_mask	= REGULATOR_MODE_NORMAL
343					| REGULATOR_MODE_STANDBY,
344		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
345					| REGULATOR_CHANGE_MODE
346					| REGULATOR_CHANGE_STATUS,
347	},
348	.num_consumer_supplies	= 1,
349	.consumer_supplies	= &sdp3430_vmmc1_supply,
350};
351
352/* VMMC2 for MMC2 card */
353static struct regulator_init_data sdp3430_vmmc2 = {
354	.constraints = {
355		.min_uV			= 1850000,
356		.max_uV			= 1850000,
357		.apply_uV		= true,
358		.valid_modes_mask	= REGULATOR_MODE_NORMAL
359					| REGULATOR_MODE_STANDBY,
360		.valid_ops_mask		= REGULATOR_CHANGE_MODE
361					| REGULATOR_CHANGE_STATUS,
362	},
363	.num_consumer_supplies	= 1,
364	.consumer_supplies	= &sdp3430_vmmc2_supply,
365};
366
367/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
368static struct regulator_init_data sdp3430_vsim = {
369	.constraints = {
370		.min_uV			= 1800000,
371		.max_uV			= 3000000,
372		.valid_modes_mask	= REGULATOR_MODE_NORMAL
373					| REGULATOR_MODE_STANDBY,
374		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
375					| REGULATOR_CHANGE_MODE
376					| REGULATOR_CHANGE_STATUS,
377	},
378	.num_consumer_supplies	= 1,
379	.consumer_supplies	= &sdp3430_vsim_supply,
380};
381
382/* VDAC for DSS driving S-Video */
383static struct regulator_init_data sdp3430_vdac = {
384	.constraints = {
385		.min_uV			= 1800000,
386		.max_uV			= 1800000,
387		.apply_uV		= true,
388		.valid_modes_mask	= REGULATOR_MODE_NORMAL
389					| REGULATOR_MODE_STANDBY,
390		.valid_ops_mask		= REGULATOR_CHANGE_MODE
391					| REGULATOR_CHANGE_STATUS,
392	},
393	.num_consumer_supplies	= 1,
394	.consumer_supplies	= &sdp3430_vdac_supply,
395};
396
397/* VPLL2 for digital video outputs */
398static struct regulator_init_data sdp3430_vpll2 = {
399	.constraints = {
400		.name			= "VDVI",
401		.min_uV			= 1800000,
402		.max_uV			= 1800000,
403		.valid_modes_mask	= REGULATOR_MODE_NORMAL
404					| REGULATOR_MODE_STANDBY,
405		.valid_ops_mask		= REGULATOR_CHANGE_MODE
406					| REGULATOR_CHANGE_STATUS,
407	},
408	.num_consumer_supplies	= 1,
409	.consumer_supplies	= &sdp3430_vdvi_supply,
410};
411
412static struct twl4030_platform_data sdp3430_twldata = {
413	.irq_base	= TWL4030_IRQ_BASE,
414	.irq_end	= TWL4030_IRQ_END,
415
416	/* platform_data for children goes here */
417	.bci		= &sdp3430_bci_data,
418	.gpio		= &sdp3430_gpio_data,
419	.madc		= &sdp3430_madc_data,
420	.keypad		= &sdp3430_kp_data,
421	.usb		= &sdp3430_usb_data,
422
423	.vaux1		= &sdp3430_vaux1,
424	.vaux2		= &sdp3430_vaux2,
425	.vaux3		= &sdp3430_vaux3,
426	.vaux4		= &sdp3430_vaux4,
427	.vmmc1		= &sdp3430_vmmc1,
428	.vmmc2		= &sdp3430_vmmc2,
429	.vsim		= &sdp3430_vsim,
430	.vdac		= &sdp3430_vdac,
431	.vpll2		= &sdp3430_vpll2,
432};
433
434static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
435	{
436		I2C_BOARD_INFO("twl4030", 0x48),
437		.flags = I2C_CLIENT_WAKE,
438		.irq = INT_34XX_SYS_NIRQ,
439		.platform_data = &sdp3430_twldata,
440	},
441};
442
443static int __init omap3430_i2c_init(void)
444{
445	/* i2c1 for PMIC only */
446	omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
447			ARRAY_SIZE(sdp3430_i2c_boardinfo));
448	/* i2c2 on camera connector (for sensor control) and optional isp1301 */
449	omap_register_i2c_bus(2, 400, NULL, 0);
450	/* i2c3 on display connector (for DVI, tfp410) */
451	omap_register_i2c_bus(3, 400, NULL, 0);
452	return 0;
453}
454
455#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
456
457static struct omap_smc91x_platform_data board_smc91x_data = {
458	.cs		= 3,
459	.flags		= GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
460				IORESOURCE_IRQ_LOWLEVEL,
461};
462
463static void __init board_smc91x_init(void)
464{
465	if (omap_rev() > OMAP3430_REV_ES1_0)
466		board_smc91x_data.gpio_irq = 6;
467	else
468		board_smc91x_data.gpio_irq = 29;
469
470	gpmc_smc91x_init(&board_smc91x_data);
471}
472
473#else
474
475static inline void board_smc91x_init(void)
476{
477}
478
479#endif
480
481static void __init omap_3430sdp_init(void)
482{
483	omap3430_i2c_init();
484	platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
485	omap_board_config = sdp3430_config;
486	omap_board_config_size = ARRAY_SIZE(sdp3430_config);
487	if (omap_rev() > OMAP3430_REV_ES1_0)
488		ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
489	else
490		ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1;
491	sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
492	spi_register_board_info(sdp3430_spi_board_info,
493				ARRAY_SIZE(sdp3430_spi_board_info));
494	ads7846_dev_init();
495	omap_serial_init();
496	usb_musb_init();
497	board_smc91x_init();
498}
499
500static void __init omap_3430sdp_map_io(void)
501{
502	omap2_set_globals_343x();
503	omap2_map_common_io();
504}
505
506MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
507	/* Maintainer: Syed Khasim - Texas Instruments Inc */
508	.phys_io	= 0x48000000,
509	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
510	.boot_params	= 0x80000100,
511	.map_io		= omap_3430sdp_map_io,
512	.init_irq	= omap_3430sdp_init_irq,
513	.init_machine	= omap_3430sdp_init,
514	.timer		= &omap_timer,
515MACHINE_END
516