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authorSyed Mohammed Khasim <x0khasim@ti.com>2009-03-23 21:38:16 -0400
committerTony Lindgren <tony@atomide.com>2009-03-23 23:52:47 -0400
commit6fdc29e262f9a776a77f50ca9157f7c0dcfbbbc8 (patch)
tree2bbd69a81de38cacf375db78ed74b9a24527e2f9 /arch/arm/mach-omap2/board-3430sdp.c
parentc6a81316c721a20639871f08cf0cbff7e83889b4 (diff)
ARM: OMAP3: Add support for 3430 SDP, v4
Add support for 3430 SDP. Various updates have been merged into this patch from the linux-omap list. Patch updated to initialize regulators by David Brownell <dbrownell@users.sourceforge.net>. Signed-off-by: Syed Mohammed Khasim <khasim@ti.com> David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-3430sdp.c')
-rw-r--r--arch/arm/mach-omap2/board-3430sdp.c542
1 files changed, 542 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
new file mode 100644
index 000000000000..2af38e56db31
--- /dev/null
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -0,0 +1,542 @@
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
43#include "mmc-twl4030.h"
44
45#define CONFIG_DISABLE_HFCLK 1
46
47#define SDP3430_ETHR_GPIO_IRQ_SDPV1 29
48#define SDP3430_ETHR_GPIO_IRQ_SDPV2 6
49#define SDP3430_SMC91X_CS 3
50
51#define SDP3430_TS_GPIO_IRQ_SDPV1 3
52#define SDP3430_TS_GPIO_IRQ_SDPV2 2
53
54#define ENABLE_VAUX3_DEDICATED 0x03
55#define ENABLE_VAUX3_DEV_GRP 0x20
56
57#define TWL4030_MSECURE_GPIO 22
58
59static struct resource sdp3430_smc91x_resources[] = {
60 [0] = {
61 .flags = IORESOURCE_MEM,
62 },
63 [1] = {
64 .start = 0,
65 .end = 0,
66 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
67 },
68};
69
70static struct platform_device sdp3430_smc91x_device = {
71 .name = "smc91x",
72 .id = -1,
73 .num_resources = ARRAY_SIZE(sdp3430_smc91x_resources),
74 .resource = sdp3430_smc91x_resources,
75};
76
77static int sdp3430_keymap[] = {
78 KEY(0, 0, KEY_LEFT),
79 KEY(0, 1, KEY_RIGHT),
80 KEY(0, 2, KEY_A),
81 KEY(0, 3, KEY_B),
82 KEY(0, 4, KEY_C),
83 KEY(1, 0, KEY_DOWN),
84 KEY(1, 1, KEY_UP),
85 KEY(1, 2, KEY_E),
86 KEY(1, 3, KEY_F),
87 KEY(1, 4, KEY_G),
88 KEY(2, 0, KEY_ENTER),
89 KEY(2, 1, KEY_I),
90 KEY(2, 2, KEY_J),
91 KEY(2, 3, KEY_K),
92 KEY(2, 4, KEY_3),
93 KEY(3, 0, KEY_M),
94 KEY(3, 1, KEY_N),
95 KEY(3, 2, KEY_O),
96 KEY(3, 3, KEY_P),
97 KEY(3, 4, KEY_Q),
98 KEY(4, 0, KEY_R),
99 KEY(4, 1, KEY_4),
100 KEY(4, 2, KEY_T),
101 KEY(4, 3, KEY_U),
102 KEY(4, 4, KEY_D),
103 KEY(5, 0, KEY_V),
104 KEY(5, 1, KEY_W),
105 KEY(5, 2, KEY_L),
106 KEY(5, 3, KEY_S),
107 KEY(5, 4, KEY_H),
108 0
109};
110
111static struct twl4030_keypad_data sdp3430_kp_data = {
112 .rows = 5,
113 .cols = 6,
114 .keymap = sdp3430_keymap,
115 .keymapsize = ARRAY_SIZE(sdp3430_keymap),
116 .rep = 1,
117};
118
119static int ts_gpio; /* Needed for ads7846_get_pendown_state */
120
121/**
122 * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
123 *
124 * @return - void. If request gpio fails then Flag KERN_ERR.
125 */
126static void ads7846_dev_init(void)
127{
128 if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) {
129 printk(KERN_ERR "can't get ads746 pen down GPIO\n");
130 return;
131 }
132
133 gpio_direction_input(ts_gpio);
134
135 omap_set_gpio_debounce(ts_gpio, 1);
136 omap_set_gpio_debounce_time(ts_gpio, 0xa);
137}
138
139static int ads7846_get_pendown_state(void)
140{
141 return !gpio_get_value(ts_gpio);
142}
143
144static struct ads7846_platform_data tsc2046_config __initdata = {
145 .get_pendown_state = ads7846_get_pendown_state,
146 .keep_vref_on = 1,
147};
148
149
150static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
151 .turbo_mode = 0,
152 .single_channel = 1, /* 0: slave, 1: master */
153};
154
155static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
156 [0] = {
157 /*
158 * TSC2046 operates at a max freqency of 2MHz, so
159 * operate slightly below at 1.5MHz
160 */
161 .modalias = "ads7846",
162 .bus_num = 1,
163 .chip_select = 0,
164 .max_speed_hz = 1500000,
165 .controller_data = &tsc2046_mcspi_config,
166 .irq = 0,
167 .platform_data = &tsc2046_config,
168 },
169};
170
171static struct platform_device sdp3430_lcd_device = {
172 .name = "sdp2430_lcd",
173 .id = -1,
174};
175
176static struct regulator_consumer_supply sdp3430_vdac_supply = {
177 .supply = "vdac",
178 .dev = &sdp3430_lcd_device.dev,
179};
180
181static struct regulator_consumer_supply sdp3430_vdvi_supply = {
182 .supply = "vdvi",
183 .dev = &sdp3430_lcd_device.dev,
184};
185
186static struct platform_device *sdp3430_devices[] __initdata = {
187 &sdp3430_smc91x_device,
188 &sdp3430_lcd_device,
189};
190
191static inline void __init sdp3430_init_smc91x(void)
192{
193 int eth_cs;
194 unsigned long cs_mem_base;
195 int eth_gpio = 0;
196
197 eth_cs = SDP3430_SMC91X_CS;
198
199 if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
200 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
201 return;
202 }
203
204 sdp3430_smc91x_resources[0].start = cs_mem_base + 0x300;
205 sdp3430_smc91x_resources[0].end = cs_mem_base + 0x30f;
206 udelay(100);
207
208 if (omap_rev() > OMAP3430_REV_ES1_0)
209 eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV2;
210 else
211 eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV1;
212
213 sdp3430_smc91x_resources[1].start = gpio_to_irq(eth_gpio);
214
215 if (gpio_request(eth_gpio, "SMC91x irq") < 0) {
216 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
217 eth_gpio);
218 return;
219 }
220 gpio_direction_input(eth_gpio);
221}
222
223static void __init omap_3430sdp_init_irq(void)
224{
225 omap2_init_common_hw();
226 omap_init_irq();
227 omap_gpio_init();
228 sdp3430_init_smc91x();
229}
230
231static struct omap_uart_config sdp3430_uart_config __initdata = {
232 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
233};
234
235static struct omap_lcd_config sdp3430_lcd_config __initdata = {
236 .ctrl_name = "internal",
237};
238
239static struct omap_board_config_kernel sdp3430_config[] __initdata = {
240 { OMAP_TAG_UART, &sdp3430_uart_config },
241 { OMAP_TAG_LCD, &sdp3430_lcd_config },
242};
243
244static int sdp3430_batt_table[] = {
245/* 0 C*/
24630800, 29500, 28300, 27100,
24726000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
24817200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
24911600, 11200, 10800, 10400, 10000, 9630, 9280, 8950, 8620, 8310,
2508020, 7730, 7460, 7200, 6950, 6710, 6470, 6250, 6040, 5830,
2515640, 5450, 5260, 5090, 4920, 4760, 4600, 4450, 4310, 4170,
2524040, 3910, 3790, 3670, 3550
253};
254
255static struct twl4030_bci_platform_data sdp3430_bci_data = {
256 .battery_tmp_tbl = sdp3430_batt_table,
257 .tblsize = ARRAY_SIZE(sdp3430_batt_table),
258};
259
260static struct twl4030_hsmmc_info mmc[] = {
261 {
262 .mmc = 1,
263 /* 8 bits (default) requires S6.3 == ON,
264 * so the SIM card isn't used; else 4 bits.
265 */
266 .wires = 8,
267 .gpio_wp = 4,
268 },
269 {
270 .mmc = 2,
271 .wires = 8,
272 .gpio_wp = 7,
273 },
274 {} /* Terminator */
275};
276
277static struct regulator_consumer_supply sdp3430_vmmc1_supply = {
278 .supply = "vmmc",
279};
280
281static struct regulator_consumer_supply sdp3430_vsim_supply = {
282 .supply = "vmmc_aux",
283};
284
285static struct regulator_consumer_supply sdp3430_vmmc2_supply = {
286 .supply = "vmmc",
287};
288
289static int sdp3430_twl_gpio_setup(struct device *dev,
290 unsigned gpio, unsigned ngpio)
291{
292 /* gpio + 0 is "mmc0_cd" (input/IRQ),
293 * gpio + 1 is "mmc1_cd" (input/IRQ)
294 */
295 mmc[0].gpio_cd = gpio + 0;
296 mmc[1].gpio_cd = gpio + 1;
297 twl4030_mmc_init(mmc);
298
299 /* link regulators to MMC adapters ... we "know" the
300 * regulators will be set up only *after* we return.
301 */
302 sdp3430_vmmc1_supply.dev = mmc[0].dev;
303 sdp3430_vsim_supply.dev = mmc[0].dev;
304 sdp3430_vmmc2_supply.dev = mmc[1].dev;
305
306 /* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */
307 gpio_request(gpio + 7, "sub_lcd_en_bkl");
308 gpio_direction_output(gpio + 7, 0);
309
310 /* gpio + 15 is "sub_lcd_nRST" (output) */
311 gpio_request(gpio + 15, "sub_lcd_nRST");
312 gpio_direction_output(gpio + 15, 0);
313
314 return 0;
315}
316
317static struct twl4030_gpio_platform_data sdp3430_gpio_data = {
318 .gpio_base = OMAP_MAX_GPIO_LINES,
319 .irq_base = TWL4030_GPIO_IRQ_BASE,
320 .irq_end = TWL4030_GPIO_IRQ_END,
321 .pulldowns = BIT(2) | BIT(6) | BIT(8) | BIT(13)
322 | BIT(16) | BIT(17),
323 .setup = sdp3430_twl_gpio_setup,
324};
325
326static struct twl4030_usb_data sdp3430_usb_data = {
327 .usb_mode = T2_USB_MODE_ULPI,
328};
329
330static struct twl4030_madc_platform_data sdp3430_madc_data = {
331 .irq_line = 1,
332};
333
334/*
335 * Apply all the fixed voltages since most versions of U-Boot
336 * don't bother with that initialization.
337 */
338
339/* VAUX1 for mainboard (irda and sub-lcd) */
340static struct regulator_init_data sdp3430_vaux1 = {
341 .constraints = {
342 .min_uV = 2800000,
343 .max_uV = 2800000,
344 .apply_uV = true,
345 .valid_modes_mask = REGULATOR_MODE_NORMAL
346 | REGULATOR_MODE_STANDBY,
347 .valid_ops_mask = REGULATOR_CHANGE_MODE
348 | REGULATOR_CHANGE_STATUS,
349 },
350};
351
352/* VAUX2 for camera module */
353static struct regulator_init_data sdp3430_vaux2 = {
354 .constraints = {
355 .min_uV = 2800000,
356 .max_uV = 2800000,
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};
364
365/* VAUX3 for LCD board */
366static struct regulator_init_data sdp3430_vaux3 = {
367 .constraints = {
368 .min_uV = 2800000,
369 .max_uV = 2800000,
370 .apply_uV = true,
371 .valid_modes_mask = REGULATOR_MODE_NORMAL
372 | REGULATOR_MODE_STANDBY,
373 .valid_ops_mask = REGULATOR_CHANGE_MODE
374 | REGULATOR_CHANGE_STATUS,
375 },
376};
377
378/* VAUX4 for OMAP VDD_CSI2 (camera) */
379static struct regulator_init_data sdp3430_vaux4 = {
380 .constraints = {
381 .min_uV = 1800000,
382 .max_uV = 1800000,
383 .apply_uV = true,
384 .valid_modes_mask = REGULATOR_MODE_NORMAL
385 | REGULATOR_MODE_STANDBY,
386 .valid_ops_mask = REGULATOR_CHANGE_MODE
387 | REGULATOR_CHANGE_STATUS,
388 },
389};
390
391/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
392static struct regulator_init_data sdp3430_vmmc1 = {
393 .constraints = {
394 .min_uV = 1850000,
395 .max_uV = 3150000,
396 .valid_modes_mask = REGULATOR_MODE_NORMAL
397 | REGULATOR_MODE_STANDBY,
398 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
399 | REGULATOR_CHANGE_MODE
400 | REGULATOR_CHANGE_STATUS,
401 },
402 .num_consumer_supplies = 1,
403 .consumer_supplies = &sdp3430_vmmc1_supply,
404};
405
406/* VMMC2 for MMC2 card */
407static struct regulator_init_data sdp3430_vmmc2 = {
408 .constraints = {
409 .min_uV = 1850000,
410 .max_uV = 1850000,
411 .apply_uV = true,
412 .valid_modes_mask = REGULATOR_MODE_NORMAL
413 | REGULATOR_MODE_STANDBY,
414 .valid_ops_mask = REGULATOR_CHANGE_MODE
415 | REGULATOR_CHANGE_STATUS,
416 },
417 .num_consumer_supplies = 1,
418 .consumer_supplies = &sdp3430_vmmc2_supply,
419};
420
421/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
422static struct regulator_init_data sdp3430_vsim = {
423 .constraints = {
424 .min_uV = 1800000,
425 .max_uV = 3000000,
426 .valid_modes_mask = REGULATOR_MODE_NORMAL
427 | REGULATOR_MODE_STANDBY,
428 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
429 | REGULATOR_CHANGE_MODE
430 | REGULATOR_CHANGE_STATUS,
431 },
432 .num_consumer_supplies = 1,
433 .consumer_supplies = &sdp3430_vsim_supply,
434};
435
436/* VDAC for DSS driving S-Video */
437static struct regulator_init_data sdp3430_vdac = {
438 .constraints = {
439 .min_uV = 1800000,
440 .max_uV = 1800000,
441 .apply_uV = true,
442 .valid_modes_mask = REGULATOR_MODE_NORMAL
443 | REGULATOR_MODE_STANDBY,
444 .valid_ops_mask = REGULATOR_CHANGE_MODE
445 | REGULATOR_CHANGE_STATUS,
446 },
447 .num_consumer_supplies = 1,
448 .consumer_supplies = &sdp3430_vdac_supply,
449};
450
451/* VPLL2 for digital video outputs */
452static struct regulator_init_data sdp3430_vpll2 = {
453 .constraints = {
454 .name = "VDVI",
455 .min_uV = 1800000,
456 .max_uV = 1800000,
457 .valid_modes_mask = REGULATOR_MODE_NORMAL
458 | REGULATOR_MODE_STANDBY,
459 .valid_ops_mask = REGULATOR_CHANGE_MODE
460 | REGULATOR_CHANGE_STATUS,
461 },
462 .num_consumer_supplies = 1,
463 .consumer_supplies = &sdp3430_vdvi_supply,
464};
465
466static struct twl4030_platform_data sdp3430_twldata = {
467 .irq_base = TWL4030_IRQ_BASE,
468 .irq_end = TWL4030_IRQ_END,
469
470 /* platform_data for children goes here */
471 .bci = &sdp3430_bci_data,
472 .gpio = &sdp3430_gpio_data,
473 .madc = &sdp3430_madc_data,
474 .keypad = &sdp3430_kp_data,
475 .usb = &sdp3430_usb_data,
476
477 .vaux1 = &sdp3430_vaux1,
478 .vaux2 = &sdp3430_vaux2,
479 .vaux3 = &sdp3430_vaux3,
480 .vaux4 = &sdp3430_vaux4,
481 .vmmc1 = &sdp3430_vmmc1,
482 .vmmc2 = &sdp3430_vmmc2,
483 .vsim = &sdp3430_vsim,
484 .vdac = &sdp3430_vdac,
485 .vpll2 = &sdp3430_vpll2,
486};
487
488static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
489 {
490 I2C_BOARD_INFO("twl4030", 0x48),
491 .flags = I2C_CLIENT_WAKE,
492 .irq = INT_34XX_SYS_NIRQ,
493 .platform_data = &sdp3430_twldata,
494 },
495};
496
497static int __init omap3430_i2c_init(void)
498{
499 /* i2c1 for PMIC only */
500 omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
501 ARRAY_SIZE(sdp3430_i2c_boardinfo));
502 /* i2c2 on camera connector (for sensor control) and optional isp1301 */
503 omap_register_i2c_bus(2, 400, NULL, 0);
504 /* i2c3 on display connector (for DVI, tfp410) */
505 omap_register_i2c_bus(3, 400, NULL, 0);
506 return 0;
507}
508
509static void __init omap_3430sdp_init(void)
510{
511 omap3430_i2c_init();
512 platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
513 omap_board_config = sdp3430_config;
514 omap_board_config_size = ARRAY_SIZE(sdp3430_config);
515 if (omap_rev() > OMAP3430_REV_ES1_0)
516 ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
517 else
518 ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1;
519 sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
520 spi_register_board_info(sdp3430_spi_board_info,
521 ARRAY_SIZE(sdp3430_spi_board_info));
522 ads7846_dev_init();
523 omap_serial_init();
524 usb_musb_init();
525}
526
527static void __init omap_3430sdp_map_io(void)
528{
529 omap2_set_globals_343x();
530 omap2_map_common_io();
531}
532
533MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
534 /* Maintainer: Syed Khasim - Texas Instruments Inc */
535 .phys_io = 0x48000000,
536 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
537 .boot_params = 0x80000100,
538 .map_io = omap_3430sdp_map_io,
539 .init_irq = omap_3430sdp_init_irq,
540 .init_machine = omap_3430sdp_init,
541 .timer = &omap_timer,
542MACHINE_END
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