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[~shefty/rdma-dev.git] / arch / arm / mach-davinci / board-da850-evm.c
1 /*
2  * TI DA850/OMAP-L138 EVM board
3  *
4  * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
5  *
6  * Derived from: arch/arm/mach-davinci/board-da830-evm.c
7  * Original Copyrights follow:
8  *
9  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
10  * the terms of the GNU General Public License version 2. This program
11  * is licensed "as is" without any warranty of any kind, whether express
12  * or implied.
13  */
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/console.h>
17 #include <linux/i2c.h>
18 #include <linux/i2c/at24.h>
19 #include <linux/i2c/pca953x.h>
20 #include <linux/input.h>
21 #include <linux/mfd/tps6507x.h>
22 #include <linux/gpio.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/platform_device.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/nand.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/regulator/tps6507x.h>
31 #include <linux/input/tps6507x-ts.h>
32 #include <linux/spi/spi.h>
33 #include <linux/spi/flash.h>
34 #include <linux/delay.h>
35 #include <linux/wl12xx.h>
36
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39
40 #include <mach/cp_intc.h>
41 #include <mach/da8xx.h>
42 #include <mach/nand.h>
43 #include <mach/mux.h>
44 #include <mach/aemif.h>
45 #include <mach/spi.h>
46
47 #define DA850_EVM_PHY_ID                "0:00"
48 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
49 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
50
51 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
52 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
53
54 #define DA850_WLAN_EN                   GPIO_TO_PIN(6, 9)
55 #define DA850_WLAN_IRQ                  GPIO_TO_PIN(6, 10)
56
57 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
58
59 static struct mtd_partition da850evm_spiflash_part[] = {
60         [0] = {
61                 .name = "UBL",
62                 .offset = 0,
63                 .size = SZ_64K,
64                 .mask_flags = MTD_WRITEABLE,
65         },
66         [1] = {
67                 .name = "U-Boot",
68                 .offset = MTDPART_OFS_APPEND,
69                 .size = SZ_512K,
70                 .mask_flags = MTD_WRITEABLE,
71         },
72         [2] = {
73                 .name = "U-Boot-Env",
74                 .offset = MTDPART_OFS_APPEND,
75                 .size = SZ_64K,
76                 .mask_flags = MTD_WRITEABLE,
77         },
78         [3] = {
79                 .name = "Kernel",
80                 .offset = MTDPART_OFS_APPEND,
81                 .size = SZ_2M + SZ_512K,
82                 .mask_flags = 0,
83         },
84         [4] = {
85                 .name = "Filesystem",
86                 .offset = MTDPART_OFS_APPEND,
87                 .size = SZ_4M,
88                 .mask_flags = 0,
89         },
90         [5] = {
91                 .name = "MAC-Address",
92                 .offset = SZ_8M - SZ_64K,
93                 .size = SZ_64K,
94                 .mask_flags = MTD_WRITEABLE,
95         },
96 };
97
98 static struct flash_platform_data da850evm_spiflash_data = {
99         .name           = "m25p80",
100         .parts          = da850evm_spiflash_part,
101         .nr_parts       = ARRAY_SIZE(da850evm_spiflash_part),
102         .type           = "m25p64",
103 };
104
105 static struct davinci_spi_config da850evm_spiflash_cfg = {
106         .io_type        = SPI_IO_TYPE_DMA,
107         .c2tdelay       = 8,
108         .t2cdelay       = 8,
109 };
110
111 static struct spi_board_info da850evm_spi_info[] = {
112         {
113                 .modalias               = "m25p80",
114                 .platform_data          = &da850evm_spiflash_data,
115                 .controller_data        = &da850evm_spiflash_cfg,
116                 .mode                   = SPI_MODE_0,
117                 .max_speed_hz           = 30000000,
118                 .bus_num                = 1,
119                 .chip_select            = 0,
120         },
121 };
122
123 #ifdef CONFIG_MTD
124 static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
125 {
126         char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
127         size_t retlen;
128
129         if (!strcmp(mtd->name, "MAC-Address")) {
130                 mtd_read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
131                 if (retlen == ETH_ALEN)
132                         pr_info("Read MAC addr from SPI Flash: %pM\n",
133                                 mac_addr);
134         }
135 }
136
137 static struct mtd_notifier da850evm_spi_notifier = {
138         .add    = da850_evm_m25p80_notify_add,
139 };
140
141 static void da850_evm_setup_mac_addr(void)
142 {
143         register_mtd_user(&da850evm_spi_notifier);
144 }
145 #else
146 static void da850_evm_setup_mac_addr(void) { }
147 #endif
148
149 static struct mtd_partition da850_evm_norflash_partition[] = {
150         {
151                 .name           = "bootloaders + env",
152                 .offset         = 0,
153                 .size           = SZ_512K,
154                 .mask_flags     = MTD_WRITEABLE,
155         },
156         {
157                 .name           = "kernel",
158                 .offset         = MTDPART_OFS_APPEND,
159                 .size           = SZ_2M,
160                 .mask_flags     = 0,
161         },
162         {
163                 .name           = "filesystem",
164                 .offset         = MTDPART_OFS_APPEND,
165                 .size           = MTDPART_SIZ_FULL,
166                 .mask_flags     = 0,
167         },
168 };
169
170 static struct physmap_flash_data da850_evm_norflash_data = {
171         .width          = 2,
172         .parts          = da850_evm_norflash_partition,
173         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
174 };
175
176 static struct resource da850_evm_norflash_resource[] = {
177         {
178                 .start  = DA8XX_AEMIF_CS2_BASE,
179                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
180                 .flags  = IORESOURCE_MEM,
181         },
182 };
183
184 static struct platform_device da850_evm_norflash_device = {
185         .name           = "physmap-flash",
186         .id             = 0,
187         .dev            = {
188                 .platform_data  = &da850_evm_norflash_data,
189         },
190         .num_resources  = 1,
191         .resource       = da850_evm_norflash_resource,
192 };
193
194 static struct davinci_pm_config da850_pm_pdata = {
195         .sleepcount = 128,
196 };
197
198 static struct platform_device da850_pm_device = {
199         .name           = "pm-davinci",
200         .dev = {
201                 .platform_data  = &da850_pm_pdata,
202         },
203         .id             = -1,
204 };
205
206 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
207  * (128K blocks). It may be used instead of the (default) SPI flash
208  * to boot, using TI's tools to install the secondary boot loader
209  * (UBL) and U-Boot.
210  */
211 static struct mtd_partition da850_evm_nandflash_partition[] = {
212         {
213                 .name           = "u-boot env",
214                 .offset         = 0,
215                 .size           = SZ_128K,
216                 .mask_flags     = MTD_WRITEABLE,
217          },
218         {
219                 .name           = "UBL",
220                 .offset         = MTDPART_OFS_APPEND,
221                 .size           = SZ_128K,
222                 .mask_flags     = MTD_WRITEABLE,
223         },
224         {
225                 .name           = "u-boot",
226                 .offset         = MTDPART_OFS_APPEND,
227                 .size           = 4 * SZ_128K,
228                 .mask_flags     = MTD_WRITEABLE,
229         },
230         {
231                 .name           = "kernel",
232                 .offset         = 0x200000,
233                 .size           = SZ_2M,
234                 .mask_flags     = 0,
235         },
236         {
237                 .name           = "filesystem",
238                 .offset         = MTDPART_OFS_APPEND,
239                 .size           = MTDPART_SIZ_FULL,
240                 .mask_flags     = 0,
241         },
242 };
243
244 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
245         .wsetup         = 24,
246         .wstrobe        = 21,
247         .whold          = 14,
248         .rsetup         = 19,
249         .rstrobe        = 50,
250         .rhold          = 0,
251         .ta             = 20,
252 };
253
254 static struct davinci_nand_pdata da850_evm_nandflash_data = {
255         .parts          = da850_evm_nandflash_partition,
256         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
257         .ecc_mode       = NAND_ECC_HW,
258         .ecc_bits       = 4,
259         .bbt_options    = NAND_BBT_USE_FLASH,
260         .timing         = &da850_evm_nandflash_timing,
261 };
262
263 static struct resource da850_evm_nandflash_resource[] = {
264         {
265                 .start  = DA8XX_AEMIF_CS3_BASE,
266                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
267                 .flags  = IORESOURCE_MEM,
268         },
269         {
270                 .start  = DA8XX_AEMIF_CTL_BASE,
271                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
272                 .flags  = IORESOURCE_MEM,
273         },
274 };
275
276 static struct platform_device da850_evm_nandflash_device = {
277         .name           = "davinci_nand",
278         .id             = 1,
279         .dev            = {
280                 .platform_data  = &da850_evm_nandflash_data,
281         },
282         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
283         .resource       = da850_evm_nandflash_resource,
284 };
285
286 static struct platform_device *da850_evm_devices[] __initdata = {
287         &da850_evm_nandflash_device,
288         &da850_evm_norflash_device,
289 };
290
291 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
292 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
293
294 static void __init da850_evm_init_nor(void)
295 {
296         void __iomem *aemif_addr;
297
298         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
299
300         /* Configure data bus width of CS2 to 16 bit */
301         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
302                 DA8XX_AEMIF_ASIZE_16BIT,
303                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
304
305         iounmap(aemif_addr);
306 }
307
308 static const short da850_evm_nand_pins[] = {
309         DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
310         DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
311         DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
312         DA850_NEMA_WE, DA850_NEMA_OE,
313         -1
314 };
315
316 static const short da850_evm_nor_pins[] = {
317         DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
318         DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
319         DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
320         DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
321         DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
322         DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
323         DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
324         DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
325         DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
326         DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
327         DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
328         DA850_EMA_A_22, DA850_EMA_A_23,
329         -1
330 };
331
332 #if defined(CONFIG_MMC_DAVINCI) || \
333     defined(CONFIG_MMC_DAVINCI_MODULE)
334 #define HAS_MMC 1
335 #else
336 #define HAS_MMC 0
337 #endif
338
339 static inline void da850_evm_setup_nor_nand(void)
340 {
341         int ret = 0;
342
343         if (!HAS_MMC) {
344                 ret = davinci_cfg_reg_list(da850_evm_nand_pins);
345                 if (ret)
346                         pr_warning("da850_evm_init: nand mux setup failed: "
347                                         "%d\n", ret);
348
349                 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
350                 if (ret)
351                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
352                                 ret);
353
354                 da850_evm_init_nor();
355
356                 platform_add_devices(da850_evm_devices,
357                                         ARRAY_SIZE(da850_evm_devices));
358         }
359 }
360
361 #ifdef CONFIG_DA850_UI_RMII
362 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
363 {
364         struct davinci_soc_info *soc_info = &davinci_soc_info;
365
366         soc_info->emac_pdata->rmii_en = 1;
367         gpio_set_value_cansleep(rmii_sel, 0);
368 }
369 #else
370 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
371 #endif
372
373
374 #define DA850_KEYS_DEBOUNCE_MS  10
375 /*
376  * At 200ms polling interval it is possible to miss an
377  * event by tapping very lightly on the push button but most
378  * pushes do result in an event; longer intervals require the
379  * user to hold the button whereas shorter intervals require
380  * more CPU time for polling.
381  */
382 #define DA850_GPIO_KEYS_POLL_MS 200
383
384 enum da850_evm_ui_exp_pins {
385         DA850_EVM_UI_EXP_SEL_C = 5,
386         DA850_EVM_UI_EXP_SEL_B,
387         DA850_EVM_UI_EXP_SEL_A,
388         DA850_EVM_UI_EXP_PB8,
389         DA850_EVM_UI_EXP_PB7,
390         DA850_EVM_UI_EXP_PB6,
391         DA850_EVM_UI_EXP_PB5,
392         DA850_EVM_UI_EXP_PB4,
393         DA850_EVM_UI_EXP_PB3,
394         DA850_EVM_UI_EXP_PB2,
395         DA850_EVM_UI_EXP_PB1,
396 };
397
398 static const char const *da850_evm_ui_exp[] = {
399         [DA850_EVM_UI_EXP_SEL_C]        = "sel_c",
400         [DA850_EVM_UI_EXP_SEL_B]        = "sel_b",
401         [DA850_EVM_UI_EXP_SEL_A]        = "sel_a",
402         [DA850_EVM_UI_EXP_PB8]          = "pb8",
403         [DA850_EVM_UI_EXP_PB7]          = "pb7",
404         [DA850_EVM_UI_EXP_PB6]          = "pb6",
405         [DA850_EVM_UI_EXP_PB5]          = "pb5",
406         [DA850_EVM_UI_EXP_PB4]          = "pb4",
407         [DA850_EVM_UI_EXP_PB3]          = "pb3",
408         [DA850_EVM_UI_EXP_PB2]          = "pb2",
409         [DA850_EVM_UI_EXP_PB1]          = "pb1",
410 };
411
412 #define DA850_N_UI_PB           8
413
414 static struct gpio_keys_button da850_evm_ui_keys[] = {
415         [0 ... DA850_N_UI_PB - 1] = {
416                 .type                   = EV_KEY,
417                 .active_low             = 1,
418                 .wakeup                 = 0,
419                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
420                 .code                   = -1, /* assigned at runtime */
421                 .gpio                   = -1, /* assigned at runtime */
422                 .desc                   = NULL, /* assigned at runtime */
423         },
424 };
425
426 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
427         .buttons = da850_evm_ui_keys,
428         .nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
429         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
430 };
431
432 static struct platform_device da850_evm_ui_keys_device = {
433         .name = "gpio-keys-polled",
434         .id = 0,
435         .dev = {
436                 .platform_data = &da850_evm_ui_keys_pdata
437         },
438 };
439
440 static void da850_evm_ui_keys_init(unsigned gpio)
441 {
442         int i;
443         struct gpio_keys_button *button;
444
445         for (i = 0; i < DA850_N_UI_PB; i++) {
446                 button = &da850_evm_ui_keys[i];
447                 button->code = KEY_F8 - i;
448                 button->desc = (char *)
449                                 da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
450                 button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
451         }
452 }
453
454 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
455                                                 unsigned ngpio, void *c)
456 {
457         int sel_a, sel_b, sel_c, ret;
458
459         sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
460         sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
461         sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
462
463         ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
464         if (ret) {
465                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
466                 goto exp_setup_sela_fail;
467         }
468
469         ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
470         if (ret) {
471                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
472                 goto exp_setup_selb_fail;
473         }
474
475         ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
476         if (ret) {
477                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
478                 goto exp_setup_selc_fail;
479         }
480
481         /* deselect all functionalities */
482         gpio_direction_output(sel_a, 1);
483         gpio_direction_output(sel_b, 1);
484         gpio_direction_output(sel_c, 1);
485
486         da850_evm_ui_keys_init(gpio);
487         ret = platform_device_register(&da850_evm_ui_keys_device);
488         if (ret) {
489                 pr_warning("Could not register UI GPIO expander push-buttons");
490                 goto exp_setup_keys_fail;
491         }
492
493         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
494
495         da850_evm_setup_nor_nand();
496
497         da850_evm_setup_emac_rmii(sel_a);
498
499         return 0;
500
501 exp_setup_keys_fail:
502         gpio_free(sel_c);
503 exp_setup_selc_fail:
504         gpio_free(sel_b);
505 exp_setup_selb_fail:
506         gpio_free(sel_a);
507 exp_setup_sela_fail:
508         return ret;
509 }
510
511 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
512                                         unsigned gpio, unsigned ngpio, void *c)
513 {
514         platform_device_unregister(&da850_evm_ui_keys_device);
515
516         /* deselect all functionalities */
517         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
518         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
519         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
520
521         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
522         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
523         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
524
525         return 0;
526 }
527
528 /* assign the baseboard expander's GPIOs after the UI board's */
529 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
530 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
531
532 enum da850_evm_bb_exp_pins {
533         DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
534         DA850_EVM_BB_EXP_SW_RST,
535         DA850_EVM_BB_EXP_TP_23,
536         DA850_EVM_BB_EXP_TP_22,
537         DA850_EVM_BB_EXP_TP_21,
538         DA850_EVM_BB_EXP_USER_PB1,
539         DA850_EVM_BB_EXP_USER_LED2,
540         DA850_EVM_BB_EXP_USER_LED1,
541         DA850_EVM_BB_EXP_USER_SW1,
542         DA850_EVM_BB_EXP_USER_SW2,
543         DA850_EVM_BB_EXP_USER_SW3,
544         DA850_EVM_BB_EXP_USER_SW4,
545         DA850_EVM_BB_EXP_USER_SW5,
546         DA850_EVM_BB_EXP_USER_SW6,
547         DA850_EVM_BB_EXP_USER_SW7,
548         DA850_EVM_BB_EXP_USER_SW8
549 };
550
551 static const char const *da850_evm_bb_exp[] = {
552         [DA850_EVM_BB_EXP_DEEP_SLEEP_EN]        = "deep_sleep_en",
553         [DA850_EVM_BB_EXP_SW_RST]               = "sw_rst",
554         [DA850_EVM_BB_EXP_TP_23]                = "tp_23",
555         [DA850_EVM_BB_EXP_TP_22]                = "tp_22",
556         [DA850_EVM_BB_EXP_TP_21]                = "tp_21",
557         [DA850_EVM_BB_EXP_USER_PB1]             = "user_pb1",
558         [DA850_EVM_BB_EXP_USER_LED2]            = "user_led2",
559         [DA850_EVM_BB_EXP_USER_LED1]            = "user_led1",
560         [DA850_EVM_BB_EXP_USER_SW1]             = "user_sw1",
561         [DA850_EVM_BB_EXP_USER_SW2]             = "user_sw2",
562         [DA850_EVM_BB_EXP_USER_SW3]             = "user_sw3",
563         [DA850_EVM_BB_EXP_USER_SW4]             = "user_sw4",
564         [DA850_EVM_BB_EXP_USER_SW5]             = "user_sw5",
565         [DA850_EVM_BB_EXP_USER_SW6]             = "user_sw6",
566         [DA850_EVM_BB_EXP_USER_SW7]             = "user_sw7",
567         [DA850_EVM_BB_EXP_USER_SW8]             = "user_sw8",
568 };
569
570 #define DA850_N_BB_USER_SW      8
571
572 static struct gpio_keys_button da850_evm_bb_keys[] = {
573         [0] = {
574                 .type                   = EV_KEY,
575                 .active_low             = 1,
576                 .wakeup                 = 0,
577                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
578                 .code                   = KEY_PROG1,
579                 .desc                   = NULL, /* assigned at runtime */
580                 .gpio                   = -1, /* assigned at runtime */
581         },
582         [1 ... DA850_N_BB_USER_SW] = {
583                 .type                   = EV_SW,
584                 .active_low             = 1,
585                 .wakeup                 = 0,
586                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
587                 .code                   = -1, /* assigned at runtime */
588                 .desc                   = NULL, /* assigned at runtime */
589                 .gpio                   = -1, /* assigned at runtime */
590         },
591 };
592
593 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
594         .buttons = da850_evm_bb_keys,
595         .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
596         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
597 };
598
599 static struct platform_device da850_evm_bb_keys_device = {
600         .name = "gpio-keys-polled",
601         .id = 1,
602         .dev = {
603                 .platform_data = &da850_evm_bb_keys_pdata
604         },
605 };
606
607 static void da850_evm_bb_keys_init(unsigned gpio)
608 {
609         int i;
610         struct gpio_keys_button *button;
611
612         button = &da850_evm_bb_keys[0];
613         button->desc = (char *)
614                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
615         button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
616
617         for (i = 0; i < DA850_N_BB_USER_SW; i++) {
618                 button = &da850_evm_bb_keys[i + 1];
619                 button->code = SW_LID + i;
620                 button->desc = (char *)
621                                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
622                 button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
623         }
624 }
625
626 #define DA850_N_BB_USER_LED     2
627
628 static struct gpio_led da850_evm_bb_leds[] = {
629         [0 ... DA850_N_BB_USER_LED - 1] = {
630                 .active_low = 1,
631                 .gpio = -1, /* assigned at runtime */
632                 .name = NULL, /* assigned at runtime */
633         },
634 };
635
636 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
637         .leds = da850_evm_bb_leds,
638         .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
639 };
640
641 static struct platform_device da850_evm_bb_leds_device = {
642         .name           = "leds-gpio",
643         .id             = -1,
644         .dev = {
645                 .platform_data = &da850_evm_bb_leds_pdata
646         }
647 };
648
649 static void da850_evm_bb_leds_init(unsigned gpio)
650 {
651         int i;
652         struct gpio_led *led;
653
654         for (i = 0; i < DA850_N_BB_USER_LED; i++) {
655                 led = &da850_evm_bb_leds[i];
656
657                 led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
658                 led->name =
659                         da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
660         }
661 }
662
663 static int da850_evm_bb_expander_setup(struct i2c_client *client,
664                                                 unsigned gpio, unsigned ngpio,
665                                                 void *c)
666 {
667         int ret;
668
669         /*
670          * Register the switches and pushbutton on the baseboard as a gpio-keys
671          * device.
672          */
673         da850_evm_bb_keys_init(gpio);
674         ret = platform_device_register(&da850_evm_bb_keys_device);
675         if (ret) {
676                 pr_warning("Could not register baseboard GPIO expander keys");
677                 goto io_exp_setup_sw_fail;
678         }
679
680         da850_evm_bb_leds_init(gpio);
681         ret = platform_device_register(&da850_evm_bb_leds_device);
682         if (ret) {
683                 pr_warning("Could not register baseboard GPIO expander LEDS");
684                 goto io_exp_setup_leds_fail;
685         }
686
687         return 0;
688
689 io_exp_setup_leds_fail:
690         platform_device_unregister(&da850_evm_bb_keys_device);
691 io_exp_setup_sw_fail:
692         return ret;
693 }
694
695 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
696                                         unsigned gpio, unsigned ngpio, void *c)
697 {
698         platform_device_unregister(&da850_evm_bb_leds_device);
699         platform_device_unregister(&da850_evm_bb_keys_device);
700
701         return 0;
702 }
703
704 static struct pca953x_platform_data da850_evm_ui_expander_info = {
705         .gpio_base      = DAVINCI_N_GPIO,
706         .setup          = da850_evm_ui_expander_setup,
707         .teardown       = da850_evm_ui_expander_teardown,
708         .names          = da850_evm_ui_exp,
709 };
710
711 static struct pca953x_platform_data da850_evm_bb_expander_info = {
712         .gpio_base      = DA850_BB_EXPANDER_GPIO_BASE,
713         .setup          = da850_evm_bb_expander_setup,
714         .teardown       = da850_evm_bb_expander_teardown,
715         .names          = da850_evm_bb_exp,
716 };
717
718 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
719         {
720                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
721         },
722         {
723                 I2C_BOARD_INFO("tca6416", 0x20),
724                 .platform_data = &da850_evm_ui_expander_info,
725         },
726         {
727                 I2C_BOARD_INFO("tca6416", 0x21),
728                 .platform_data = &da850_evm_bb_expander_info,
729         },
730 };
731
732 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
733         .bus_freq       = 100,  /* kHz */
734         .bus_delay      = 0,    /* usec */
735 };
736
737 static struct davinci_uart_config da850_evm_uart_config __initdata = {
738         .enabled_uarts = 0x7,
739 };
740
741 /* davinci da850 evm audio machine driver */
742 static u8 da850_iis_serializer_direction[] = {
743         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
744         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
745         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
746         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
747 };
748
749 static struct snd_platform_data da850_evm_snd_data = {
750         .tx_dma_offset  = 0x2000,
751         .rx_dma_offset  = 0x2000,
752         .op_mode        = DAVINCI_MCASP_IIS_MODE,
753         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
754         .tdm_slots      = 2,
755         .serial_dir     = da850_iis_serializer_direction,
756         .asp_chan_q     = EVENTQ_0,
757         .version        = MCASP_VERSION_2,
758         .txnumevt       = 1,
759         .rxnumevt       = 1,
760 };
761
762 static const short da850_evm_mcasp_pins[] __initconst = {
763         DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
764         DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
765         DA850_AXR_11, DA850_AXR_12,
766         -1
767 };
768
769 static int da850_evm_mmc_get_ro(int index)
770 {
771         return gpio_get_value(DA850_MMCSD_WP_PIN);
772 }
773
774 static int da850_evm_mmc_get_cd(int index)
775 {
776         return !gpio_get_value(DA850_MMCSD_CD_PIN);
777 }
778
779 static struct davinci_mmc_config da850_mmc_config = {
780         .get_ro         = da850_evm_mmc_get_ro,
781         .get_cd         = da850_evm_mmc_get_cd,
782         .wires          = 4,
783         .max_freq       = 50000000,
784         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
785         .version        = MMC_CTLR_VERSION_2,
786 };
787
788 static const short da850_evm_mmcsd0_pins[] __initconst = {
789         DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
790         DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
791         DA850_GPIO4_0, DA850_GPIO4_1,
792         -1
793 };
794
795 static void da850_panel_power_ctrl(int val)
796 {
797         /* lcd backlight */
798         gpio_set_value(DA850_LCD_BL_PIN, val);
799
800         /* lcd power */
801         gpio_set_value(DA850_LCD_PWR_PIN, val);
802 }
803
804 static int da850_lcd_hw_init(void)
805 {
806         int status;
807
808         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
809         if (status < 0)
810                 return status;
811
812         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
813         if (status < 0) {
814                 gpio_free(DA850_LCD_BL_PIN);
815                 return status;
816         }
817
818         gpio_direction_output(DA850_LCD_BL_PIN, 0);
819         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
820
821         /* Switch off panel power and backlight */
822         da850_panel_power_ctrl(0);
823
824         /* Switch on panel power and backlight */
825         da850_panel_power_ctrl(1);
826
827         return 0;
828 }
829
830 /* TPS65070 voltage regulator support */
831
832 /* 3.3V */
833 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
834         {
835                 .supply = "usb0_vdda33",
836         },
837         {
838                 .supply = "usb1_vdda33",
839         },
840 };
841
842 /* 3.3V or 1.8V */
843 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
844         {
845                 .supply = "dvdd3318_a",
846         },
847         {
848                 .supply = "dvdd3318_b",
849         },
850         {
851                 .supply = "dvdd3318_c",
852         },
853 };
854
855 /* 1.2V */
856 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
857         {
858                 .supply = "cvdd",
859         },
860 };
861
862 /* 1.8V LDO */
863 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
864         {
865                 .supply = "sata_vddr",
866         },
867         {
868                 .supply = "usb0_vdda18",
869         },
870         {
871                 .supply = "usb1_vdda18",
872         },
873         {
874                 .supply = "ddr_dvdd18",
875         },
876 };
877
878 /* 1.2V LDO */
879 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
880         {
881                 .supply = "sata_vdd",
882         },
883         {
884                 .supply = "pll0_vdda",
885         },
886         {
887                 .supply = "pll1_vdda",
888         },
889         {
890                 .supply = "usbs_cvdd",
891         },
892         {
893                 .supply = "vddarnwa1",
894         },
895 };
896
897 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
898 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
899         .defdcdc_default = true,
900 };
901
902 static struct regulator_init_data tps65070_regulator_data[] = {
903         /* dcdc1 */
904         {
905                 .constraints = {
906                         .min_uV = 3150000,
907                         .max_uV = 3450000,
908                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
909                                 REGULATOR_CHANGE_STATUS),
910                         .boot_on = 1,
911                 },
912                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
913                 .consumer_supplies = tps65070_dcdc1_consumers,
914         },
915
916         /* dcdc2 */
917         {
918                 .constraints = {
919                         .min_uV = 1710000,
920                         .max_uV = 3450000,
921                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
922                                 REGULATOR_CHANGE_STATUS),
923                         .boot_on = 1,
924                 },
925                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
926                 .consumer_supplies = tps65070_dcdc2_consumers,
927                 .driver_data = &tps6507x_platform_data,
928         },
929
930         /* dcdc3 */
931         {
932                 .constraints = {
933                         .min_uV = 950000,
934                         .max_uV = 1350000,
935                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
936                                 REGULATOR_CHANGE_STATUS),
937                         .boot_on = 1,
938                 },
939                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
940                 .consumer_supplies = tps65070_dcdc3_consumers,
941                 .driver_data = &tps6507x_platform_data,
942         },
943
944         /* ldo1 */
945         {
946                 .constraints = {
947                         .min_uV = 1710000,
948                         .max_uV = 1890000,
949                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
950                                 REGULATOR_CHANGE_STATUS),
951                         .boot_on = 1,
952                 },
953                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
954                 .consumer_supplies = tps65070_ldo1_consumers,
955         },
956
957         /* ldo2 */
958         {
959                 .constraints = {
960                         .min_uV = 1140000,
961                         .max_uV = 1320000,
962                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
963                                 REGULATOR_CHANGE_STATUS),
964                         .boot_on = 1,
965                 },
966                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
967                 .consumer_supplies = tps65070_ldo2_consumers,
968         },
969 };
970
971 static struct touchscreen_init_data tps6507x_touchscreen_data = {
972         .poll_period =  30,     /* ms between touch samples */
973         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
974         .vref = 0,              /* turn off vref when not using A/D */
975         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
976         .product = 65070,       /* /sys/class/input/input?/id/product */
977         .version = 0x100,       /* /sys/class/input/input?/id/version */
978 };
979
980 static struct tps6507x_board tps_board = {
981         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
982         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
983 };
984
985 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
986         {
987                 I2C_BOARD_INFO("tps6507x", 0x48),
988                 .platform_data = &tps_board,
989         },
990 };
991
992 static int __init pmic_tps65070_init(void)
993 {
994         return i2c_register_board_info(1, da850_evm_tps65070_info,
995                                         ARRAY_SIZE(da850_evm_tps65070_info));
996 }
997
998 static const short da850_evm_lcdc_pins[] = {
999         DA850_GPIO2_8, DA850_GPIO2_15,
1000         -1
1001 };
1002
1003 static const short da850_evm_mii_pins[] = {
1004         DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1005         DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1006         DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1007         DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1008         DA850_MDIO_D,
1009         -1
1010 };
1011
1012 static const short da850_evm_rmii_pins[] = {
1013         DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1014         DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1015         DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1016         DA850_MDIO_D,
1017         -1
1018 };
1019
1020 static int __init da850_evm_config_emac(void)
1021 {
1022         void __iomem *cfg_chip3_base;
1023         int ret;
1024         u32 val;
1025         struct davinci_soc_info *soc_info = &davinci_soc_info;
1026         u8 rmii_en = soc_info->emac_pdata->rmii_en;
1027
1028         if (!machine_is_davinci_da850_evm())
1029                 return 0;
1030
1031         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
1032
1033         val = __raw_readl(cfg_chip3_base);
1034
1035         if (rmii_en) {
1036                 val |= BIT(8);
1037                 ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
1038                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1039                                                         " functional\n");
1040         } else {
1041                 val &= ~BIT(8);
1042                 ret = davinci_cfg_reg_list(da850_evm_mii_pins);
1043                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1044                                                         " functional\n");
1045         }
1046
1047         if (ret)
1048                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
1049                                 ret);
1050
1051         /* configure the CFGCHIP3 register for RMII or MII */
1052         __raw_writel(val, cfg_chip3_base);
1053
1054         ret = davinci_cfg_reg(DA850_GPIO2_6);
1055         if (ret)
1056                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
1057                                                         "failed\n");
1058
1059         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
1060         if (ret) {
1061                 pr_warning("Cannot open GPIO %d\n",
1062                                         DA850_MII_MDIO_CLKEN_PIN);
1063                 return ret;
1064         }
1065
1066         /* Enable/Disable MII MDIO clock */
1067         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
1068
1069         soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
1070
1071         ret = da8xx_register_emac();
1072         if (ret)
1073                 pr_warning("da850_evm_init: emac registration failed: %d\n",
1074                                 ret);
1075
1076         return 0;
1077 }
1078 device_initcall(da850_evm_config_emac);
1079
1080 /*
1081  * The following EDMA channels/slots are not being used by drivers (for
1082  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1083  * they are being reserved for codecs on the DSP side.
1084  */
1085 static const s16 da850_dma0_rsv_chans[][2] = {
1086         /* (offset, number) */
1087         { 8,  6},
1088         {24,  4},
1089         {30,  2},
1090         {-1, -1}
1091 };
1092
1093 static const s16 da850_dma0_rsv_slots[][2] = {
1094         /* (offset, number) */
1095         { 8,  6},
1096         {24,  4},
1097         {30, 50},
1098         {-1, -1}
1099 };
1100
1101 static const s16 da850_dma1_rsv_chans[][2] = {
1102         /* (offset, number) */
1103         { 0, 28},
1104         {30,  2},
1105         {-1, -1}
1106 };
1107
1108 static const s16 da850_dma1_rsv_slots[][2] = {
1109         /* (offset, number) */
1110         { 0, 28},
1111         {30, 90},
1112         {-1, -1}
1113 };
1114
1115 static struct edma_rsv_info da850_edma_cc0_rsv = {
1116         .rsv_chans      = da850_dma0_rsv_chans,
1117         .rsv_slots      = da850_dma0_rsv_slots,
1118 };
1119
1120 static struct edma_rsv_info da850_edma_cc1_rsv = {
1121         .rsv_chans      = da850_dma1_rsv_chans,
1122         .rsv_slots      = da850_dma1_rsv_slots,
1123 };
1124
1125 static struct edma_rsv_info *da850_edma_rsv[2] = {
1126         &da850_edma_cc0_rsv,
1127         &da850_edma_cc1_rsv,
1128 };
1129
1130 #ifdef CONFIG_CPU_FREQ
1131 static __init int da850_evm_init_cpufreq(void)
1132 {
1133         switch (system_rev & 0xF) {
1134         case 3:
1135                 da850_max_speed = 456000;
1136                 break;
1137         case 2:
1138                 da850_max_speed = 408000;
1139                 break;
1140         case 1:
1141                 da850_max_speed = 372000;
1142                 break;
1143         }
1144
1145         return da850_register_cpufreq("pll0_sysclk3");
1146 }
1147 #else
1148 static __init int da850_evm_init_cpufreq(void) { return 0; }
1149 #endif
1150
1151 #ifdef CONFIG_DA850_WL12XX
1152
1153 static void wl12xx_set_power(int index, bool power_on)
1154 {
1155         static bool power_state;
1156
1157         pr_debug("Powering %s wl12xx", power_on ? "on" : "off");
1158
1159         if (power_on == power_state)
1160                 return;
1161         power_state = power_on;
1162
1163         if (power_on) {
1164                 /* Power up sequence required for wl127x devices */
1165                 gpio_set_value(DA850_WLAN_EN, 1);
1166                 usleep_range(15000, 15000);
1167                 gpio_set_value(DA850_WLAN_EN, 0);
1168                 usleep_range(1000, 1000);
1169                 gpio_set_value(DA850_WLAN_EN, 1);
1170                 msleep(70);
1171         } else {
1172                 gpio_set_value(DA850_WLAN_EN, 0);
1173         }
1174 }
1175
1176 static struct davinci_mmc_config da850_wl12xx_mmc_config = {
1177         .set_power      = wl12xx_set_power,
1178         .wires          = 4,
1179         .max_freq       = 25000000,
1180         .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE |
1181                           MMC_CAP_POWER_OFF_CARD,
1182         .version        = MMC_CTLR_VERSION_2,
1183 };
1184
1185 static const short da850_wl12xx_pins[] __initconst = {
1186         DA850_MMCSD1_DAT_0, DA850_MMCSD1_DAT_1, DA850_MMCSD1_DAT_2,
1187         DA850_MMCSD1_DAT_3, DA850_MMCSD1_CLK, DA850_MMCSD1_CMD,
1188         DA850_GPIO6_9, DA850_GPIO6_10,
1189         -1
1190 };
1191
1192 static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata = {
1193         .irq                    = -1,
1194         .board_ref_clock        = WL12XX_REFCLOCK_38,
1195         .platform_quirks        = WL12XX_PLATFORM_QUIRK_EDGE_IRQ,
1196 };
1197
1198 static __init int da850_wl12xx_init(void)
1199 {
1200         int ret;
1201
1202         ret = davinci_cfg_reg_list(da850_wl12xx_pins);
1203         if (ret) {
1204                 pr_err("wl12xx/mmc mux setup failed: %d\n", ret);
1205                 goto exit;
1206         }
1207
1208         ret = da850_register_mmcsd1(&da850_wl12xx_mmc_config);
1209         if (ret) {
1210                 pr_err("wl12xx/mmc registration failed: %d\n", ret);
1211                 goto exit;
1212         }
1213
1214         ret = gpio_request_one(DA850_WLAN_EN, GPIOF_OUT_INIT_LOW, "wl12xx_en");
1215         if (ret) {
1216                 pr_err("Could not request wl12xx enable gpio: %d\n", ret);
1217                 goto exit;
1218         }
1219
1220         ret = gpio_request_one(DA850_WLAN_IRQ, GPIOF_IN, "wl12xx_irq");
1221         if (ret) {
1222                 pr_err("Could not request wl12xx irq gpio: %d\n", ret);
1223                 goto free_wlan_en;
1224         }
1225
1226         da850_wl12xx_wlan_data.irq = gpio_to_irq(DA850_WLAN_IRQ);
1227
1228         ret = wl12xx_set_platform_data(&da850_wl12xx_wlan_data);
1229         if (ret) {
1230                 pr_err("Could not set wl12xx data: %d\n", ret);
1231                 goto free_wlan_irq;
1232         }
1233
1234         return 0;
1235
1236 free_wlan_irq:
1237         gpio_free(DA850_WLAN_IRQ);
1238
1239 free_wlan_en:
1240         gpio_free(DA850_WLAN_EN);
1241
1242 exit:
1243         return ret;
1244 }
1245
1246 #else /* CONFIG_DA850_WL12XX */
1247
1248 static __init int da850_wl12xx_init(void)
1249 {
1250         return 0;
1251 }
1252
1253 #endif /* CONFIG_DA850_WL12XX */
1254
1255 #define DA850EVM_SATA_REFCLKPN_RATE     (100 * 1000 * 1000)
1256
1257 static __init void da850_evm_init(void)
1258 {
1259         int ret;
1260
1261         ret = pmic_tps65070_init();
1262         if (ret)
1263                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
1264                                 ret);
1265
1266         ret = da850_register_edma(da850_edma_rsv);
1267         if (ret)
1268                 pr_warning("da850_evm_init: edma registration failed: %d\n",
1269                                 ret);
1270
1271         ret = davinci_cfg_reg_list(da850_i2c0_pins);
1272         if (ret)
1273                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
1274                                 ret);
1275
1276         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1277         if (ret)
1278                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
1279                                 ret);
1280
1281
1282         ret = da8xx_register_watchdog();
1283         if (ret)
1284                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
1285                                 ret);
1286
1287         if (HAS_MMC) {
1288                 ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1289                 if (ret)
1290                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
1291                                         " %d\n", ret);
1292
1293                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
1294                 if (ret)
1295                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1296                                         DA850_MMCSD_CD_PIN);
1297                 gpio_direction_input(DA850_MMCSD_CD_PIN);
1298
1299                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
1300                 if (ret)
1301                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1302                                         DA850_MMCSD_WP_PIN);
1303                 gpio_direction_input(DA850_MMCSD_WP_PIN);
1304
1305                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
1306                 if (ret)
1307                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
1308                                         " %d\n", ret);
1309
1310                 ret = da850_wl12xx_init();
1311                 if (ret)
1312                         pr_warning("da850_evm_init: wl12xx initialization"
1313                                    " failed: %d\n", ret);
1314         }
1315
1316         davinci_serial_init(&da850_evm_uart_config);
1317
1318         i2c_register_board_info(1, da850_evm_i2c_devices,
1319                         ARRAY_SIZE(da850_evm_i2c_devices));
1320
1321         /*
1322          * shut down uart 0 and 1; they are not used on the board and
1323          * accessing them causes endless "too much work in irq53" messages
1324          * with arago fs
1325          */
1326         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1327         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1328
1329         ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1330         if (ret)
1331                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
1332                                 ret);
1333
1334         da8xx_register_mcasp(0, &da850_evm_snd_data);
1335
1336         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1337         if (ret)
1338                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
1339                                 ret);
1340
1341         /* Handle board specific muxing for LCD here */
1342         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1343         if (ret)
1344                 pr_warning("da850_evm_init: evm specific lcd mux setup "
1345                                 "failed: %d\n", ret);
1346
1347         ret = da850_lcd_hw_init();
1348         if (ret)
1349                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
1350                                 ret);
1351
1352         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
1353         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1354         if (ret)
1355                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
1356                                 ret);
1357
1358         ret = da8xx_register_rtc();
1359         if (ret)
1360                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
1361
1362         ret = da850_evm_init_cpufreq();
1363         if (ret)
1364                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
1365                                 ret);
1366
1367         ret = da8xx_register_cpuidle();
1368         if (ret)
1369                 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
1370                                 ret);
1371
1372         ret = da850_register_pm(&da850_pm_device);
1373         if (ret)
1374                 pr_warning("da850_evm_init: suspend registration failed: %d\n",
1375                                 ret);
1376
1377         ret = da8xx_register_spi(1, da850evm_spi_info,
1378                                  ARRAY_SIZE(da850evm_spi_info));
1379         if (ret)
1380                 pr_warning("da850_evm_init: spi 1 registration failed: %d\n",
1381                                 ret);
1382
1383         ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE);
1384         if (ret)
1385                 pr_warning("da850_evm_init: sata registration failed: %d\n",
1386                                 ret);
1387
1388         da850_evm_setup_mac_addr();
1389 }
1390
1391 #ifdef CONFIG_SERIAL_8250_CONSOLE
1392 static int __init da850_evm_console_init(void)
1393 {
1394         if (!machine_is_davinci_da850_evm())
1395                 return 0;
1396
1397         return add_preferred_console("ttyS", 2, "115200");
1398 }
1399 console_initcall(da850_evm_console_init);
1400 #endif
1401
1402 static void __init da850_evm_map_io(void)
1403 {
1404         da850_init();
1405 }
1406
1407 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1408         .atag_offset    = 0x100,
1409         .map_io         = da850_evm_map_io,
1410         .init_irq       = cp_intc_init,
1411         .timer          = &davinci_timer,
1412         .init_machine   = da850_evm_init,
1413         .dma_zone_size  = SZ_128M,
1414         .restart        = da8xx_restart,
1415 MACHINE_END