~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/arm/mach-davinci/board-da850-evm.c

Version: ~ [ linux-5.4-rc3 ] ~ [ linux-5.3.6 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.79 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.149 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.196 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.196 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.75 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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/console.h>
 15 #include <linux/delay.h>
 16 #include <linux/gpio.h>
 17 #include <linux/gpio_keys.h>
 18 #include <linux/init.h>
 19 #include <linux/kernel.h>
 20 #include <linux/i2c.h>
 21 #include <linux/i2c/at24.h>
 22 #include <linux/i2c/pca953x.h>
 23 #include <linux/input.h>
 24 #include <linux/input/tps6507x-ts.h>
 25 #include <linux/mfd/tps6507x.h>
 26 #include <linux/mtd/mtd.h>
 27 #include <linux/mtd/nand.h>
 28 #include <linux/mtd/partitions.h>
 29 #include <linux/mtd/physmap.h>
 30 #include <linux/platform_device.h>
 31 #include <linux/platform_data/mtd-davinci.h>
 32 #include <linux/platform_data/mtd-davinci-aemif.h>
 33 #include <linux/platform_data/spi-davinci.h>
 34 #include <linux/platform_data/uio_pruss.h>
 35 #include <linux/regulator/machine.h>
 36 #include <linux/regulator/tps6507x.h>
 37 #include <linux/spi/spi.h>
 38 #include <linux/spi/flash.h>
 39 #include <linux/wl12xx.h>
 40 
 41 #include <mach/cp_intc.h>
 42 #include <mach/da8xx.h>
 43 #include <mach/mux.h>
 44 #include <mach/sram.h>
 45 
 46 #include <asm/mach-types.h>
 47 #include <asm/mach/arch.h>
 48 #include <asm/system_info.h>
 49 
 50 #include <media/tvp514x.h>
 51 #include <media/adv7343.h>
 52 
 53 #define DA850_EVM_PHY_ID                "davinci_mdio-0:00"
 54 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
 55 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
 56 
 57 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
 58 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
 59 
 60 #define DA850_WLAN_EN                   GPIO_TO_PIN(6, 9)
 61 #define DA850_WLAN_IRQ                  GPIO_TO_PIN(6, 10)
 62 
 63 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
 64 
 65 static struct mtd_partition da850evm_spiflash_part[] = {
 66         [0] = {
 67                 .name = "UBL",
 68                 .offset = 0,
 69                 .size = SZ_64K,
 70                 .mask_flags = MTD_WRITEABLE,
 71         },
 72         [1] = {
 73                 .name = "U-Boot",
 74                 .offset = MTDPART_OFS_APPEND,
 75                 .size = SZ_512K,
 76                 .mask_flags = MTD_WRITEABLE,
 77         },
 78         [2] = {
 79                 .name = "U-Boot-Env",
 80                 .offset = MTDPART_OFS_APPEND,
 81                 .size = SZ_64K,
 82                 .mask_flags = MTD_WRITEABLE,
 83         },
 84         [3] = {
 85                 .name = "Kernel",
 86                 .offset = MTDPART_OFS_APPEND,
 87                 .size = SZ_2M + SZ_512K,
 88                 .mask_flags = 0,
 89         },
 90         [4] = {
 91                 .name = "Filesystem",
 92                 .offset = MTDPART_OFS_APPEND,
 93                 .size = SZ_4M,
 94                 .mask_flags = 0,
 95         },
 96         [5] = {
 97                 .name = "MAC-Address",
 98                 .offset = SZ_8M - SZ_64K,
 99                 .size = SZ_64K,
100                 .mask_flags = MTD_WRITEABLE,
101         },
102 };
103 
104 static struct flash_platform_data da850evm_spiflash_data = {
105         .name           = "m25p80",
106         .parts          = da850evm_spiflash_part,
107         .nr_parts       = ARRAY_SIZE(da850evm_spiflash_part),
108         .type           = "m25p64",
109 };
110 
111 static struct davinci_spi_config da850evm_spiflash_cfg = {
112         .io_type        = SPI_IO_TYPE_DMA,
113         .c2tdelay       = 8,
114         .t2cdelay       = 8,
115 };
116 
117 static struct spi_board_info da850evm_spi_info[] = {
118         {
119                 .modalias               = "m25p80",
120                 .platform_data          = &da850evm_spiflash_data,
121                 .controller_data        = &da850evm_spiflash_cfg,
122                 .mode                   = SPI_MODE_0,
123                 .max_speed_hz           = 30000000,
124                 .bus_num                = 1,
125                 .chip_select            = 0,
126         },
127 };
128 
129 #ifdef CONFIG_MTD
130 static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
131 {
132         char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
133         size_t retlen;
134 
135         if (!strcmp(mtd->name, "MAC-Address")) {
136                 mtd_read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
137                 if (retlen == ETH_ALEN)
138                         pr_info("Read MAC addr from SPI Flash: %pM\n",
139                                 mac_addr);
140         }
141 }
142 
143 static struct mtd_notifier da850evm_spi_notifier = {
144         .add    = da850_evm_m25p80_notify_add,
145 };
146 
147 static void da850_evm_setup_mac_addr(void)
148 {
149         register_mtd_user(&da850evm_spi_notifier);
150 }
151 #else
152 static void da850_evm_setup_mac_addr(void) { }
153 #endif
154 
155 static struct mtd_partition da850_evm_norflash_partition[] = {
156         {
157                 .name           = "bootloaders + env",
158                 .offset         = 0,
159                 .size           = SZ_512K,
160                 .mask_flags     = MTD_WRITEABLE,
161         },
162         {
163                 .name           = "kernel",
164                 .offset         = MTDPART_OFS_APPEND,
165                 .size           = SZ_2M,
166                 .mask_flags     = 0,
167         },
168         {
169                 .name           = "filesystem",
170                 .offset         = MTDPART_OFS_APPEND,
171                 .size           = MTDPART_SIZ_FULL,
172                 .mask_flags     = 0,
173         },
174 };
175 
176 static struct physmap_flash_data da850_evm_norflash_data = {
177         .width          = 2,
178         .parts          = da850_evm_norflash_partition,
179         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
180 };
181 
182 static struct resource da850_evm_norflash_resource[] = {
183         {
184                 .start  = DA8XX_AEMIF_CS2_BASE,
185                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
186                 .flags  = IORESOURCE_MEM,
187         },
188 };
189 
190 static struct platform_device da850_evm_norflash_device = {
191         .name           = "physmap-flash",
192         .id             = 0,
193         .dev            = {
194                 .platform_data  = &da850_evm_norflash_data,
195         },
196         .num_resources  = 1,
197         .resource       = da850_evm_norflash_resource,
198 };
199 
200 static struct davinci_pm_config da850_pm_pdata = {
201         .sleepcount = 128,
202 };
203 
204 static struct platform_device da850_pm_device = {
205         .name           = "pm-davinci",
206         .dev = {
207                 .platform_data  = &da850_pm_pdata,
208         },
209         .id             = -1,
210 };
211 
212 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
213  * (128K blocks). It may be used instead of the (default) SPI flash
214  * to boot, using TI's tools to install the secondary boot loader
215  * (UBL) and U-Boot.
216  */
217 static struct mtd_partition da850_evm_nandflash_partition[] = {
218         {
219                 .name           = "u-boot env",
220                 .offset         = 0,
221                 .size           = SZ_128K,
222                 .mask_flags     = MTD_WRITEABLE,
223          },
224         {
225                 .name           = "UBL",
226                 .offset         = MTDPART_OFS_APPEND,
227                 .size           = SZ_128K,
228                 .mask_flags     = MTD_WRITEABLE,
229         },
230         {
231                 .name           = "u-boot",
232                 .offset         = MTDPART_OFS_APPEND,
233                 .size           = 4 * SZ_128K,
234                 .mask_flags     = MTD_WRITEABLE,
235         },
236         {
237                 .name           = "kernel",
238                 .offset         = 0x200000,
239                 .size           = SZ_2M,
240                 .mask_flags     = 0,
241         },
242         {
243                 .name           = "filesystem",
244                 .offset         = MTDPART_OFS_APPEND,
245                 .size           = MTDPART_SIZ_FULL,
246                 .mask_flags     = 0,
247         },
248 };
249 
250 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
251         .wsetup         = 24,
252         .wstrobe        = 21,
253         .whold          = 14,
254         .rsetup         = 19,
255         .rstrobe        = 50,
256         .rhold          = 0,
257         .ta             = 20,
258 };
259 
260 static struct davinci_nand_pdata da850_evm_nandflash_data = {
261         .parts          = da850_evm_nandflash_partition,
262         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
263         .ecc_mode       = NAND_ECC_HW,
264         .ecc_bits       = 4,
265         .bbt_options    = NAND_BBT_USE_FLASH,
266         .timing         = &da850_evm_nandflash_timing,
267 };
268 
269 static struct resource da850_evm_nandflash_resource[] = {
270         {
271                 .start  = DA8XX_AEMIF_CS3_BASE,
272                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
273                 .flags  = IORESOURCE_MEM,
274         },
275         {
276                 .start  = DA8XX_AEMIF_CTL_BASE,
277                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
278                 .flags  = IORESOURCE_MEM,
279         },
280 };
281 
282 static struct platform_device da850_evm_nandflash_device = {
283         .name           = "davinci_nand",
284         .id             = 1,
285         .dev            = {
286                 .platform_data  = &da850_evm_nandflash_data,
287         },
288         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
289         .resource       = da850_evm_nandflash_resource,
290 };
291 
292 static struct platform_device *da850_evm_devices[] = {
293         &da850_evm_nandflash_device,
294         &da850_evm_norflash_device,
295 };
296 
297 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
298 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
299 
300 static void __init da850_evm_init_nor(void)
301 {
302         void __iomem *aemif_addr;
303 
304         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
305 
306         /* Configure data bus width of CS2 to 16 bit */
307         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
308                 DA8XX_AEMIF_ASIZE_16BIT,
309                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
310 
311         iounmap(aemif_addr);
312 }
313 
314 static const short da850_evm_nand_pins[] = {
315         DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
316         DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
317         DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
318         DA850_NEMA_WE, DA850_NEMA_OE,
319         -1
320 };
321 
322 static const short da850_evm_nor_pins[] = {
323         DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
324         DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
325         DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
326         DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
327         DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
328         DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
329         DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
330         DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
331         DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
332         DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
333         DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
334         DA850_EMA_A_22, DA850_EMA_A_23,
335         -1
336 };
337 
338 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
339 
340 static inline void da850_evm_setup_nor_nand(void)
341 {
342         int ret = 0;
343 
344         if (!HAS_MMC) {
345                 ret = davinci_cfg_reg_list(da850_evm_nand_pins);
346                 if (ret)
347                         pr_warn("%s: NAND mux setup failed: %d\n",
348                                 __func__, ret);
349 
350                 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
351                 if (ret)
352                         pr_warn("%s: NOR mux setup failed: %d\n",
353                                 __func__, ret);
354 
355                 da850_evm_init_nor();
356 
357                 platform_add_devices(da850_evm_devices,
358                                         ARRAY_SIZE(da850_evm_devices));
359         }
360 }
361 
362 #ifdef CONFIG_DA850_UI_RMII
363 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
364 {
365         struct davinci_soc_info *soc_info = &davinci_soc_info;
366 
367         soc_info->emac_pdata->rmii_en = 1;
368         gpio_set_value_cansleep(rmii_sel, 0);
369 }
370 #else
371 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
372 #endif
373 
374 
375 #define DA850_KEYS_DEBOUNCE_MS  10
376 /*
377  * At 200ms polling interval it is possible to miss an
378  * event by tapping very lightly on the push button but most
379  * pushes do result in an event; longer intervals require the
380  * user to hold the button whereas shorter intervals require
381  * more CPU time for polling.
382  */
383 #define DA850_GPIO_KEYS_POLL_MS 200
384 
385 enum da850_evm_ui_exp_pins {
386         DA850_EVM_UI_EXP_SEL_C = 5,
387         DA850_EVM_UI_EXP_SEL_B,
388         DA850_EVM_UI_EXP_SEL_A,
389         DA850_EVM_UI_EXP_PB8,
390         DA850_EVM_UI_EXP_PB7,
391         DA850_EVM_UI_EXP_PB6,
392         DA850_EVM_UI_EXP_PB5,
393         DA850_EVM_UI_EXP_PB4,
394         DA850_EVM_UI_EXP_PB3,
395         DA850_EVM_UI_EXP_PB2,
396         DA850_EVM_UI_EXP_PB1,
397 };
398 
399 static const char * const da850_evm_ui_exp[] = {
400         [DA850_EVM_UI_EXP_SEL_C]        = "sel_c",
401         [DA850_EVM_UI_EXP_SEL_B]        = "sel_b",
402         [DA850_EVM_UI_EXP_SEL_A]        = "sel_a",
403         [DA850_EVM_UI_EXP_PB8]          = "pb8",
404         [DA850_EVM_UI_EXP_PB7]          = "pb7",
405         [DA850_EVM_UI_EXP_PB6]          = "pb6",
406         [DA850_EVM_UI_EXP_PB5]          = "pb5",
407         [DA850_EVM_UI_EXP_PB4]          = "pb4",
408         [DA850_EVM_UI_EXP_PB3]          = "pb3",
409         [DA850_EVM_UI_EXP_PB2]          = "pb2",
410         [DA850_EVM_UI_EXP_PB1]          = "pb1",
411 };
412 
413 #define DA850_N_UI_PB           8
414 
415 static struct gpio_keys_button da850_evm_ui_keys[] = {
416         [0 ... DA850_N_UI_PB - 1] = {
417                 .type                   = EV_KEY,
418                 .active_low             = 1,
419                 .wakeup                 = 0,
420                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
421                 .code                   = -1, /* assigned at runtime */
422                 .gpio                   = -1, /* assigned at runtime */
423                 .desc                   = NULL, /* assigned at runtime */
424         },
425 };
426 
427 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
428         .buttons = da850_evm_ui_keys,
429         .nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
430         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
431 };
432 
433 static struct platform_device da850_evm_ui_keys_device = {
434         .name = "gpio-keys-polled",
435         .id = 0,
436         .dev = {
437                 .platform_data = &da850_evm_ui_keys_pdata
438         },
439 };
440 
441 static void da850_evm_ui_keys_init(unsigned gpio)
442 {
443         int i;
444         struct gpio_keys_button *button;
445 
446         for (i = 0; i < DA850_N_UI_PB; i++) {
447                 button = &da850_evm_ui_keys[i];
448                 button->code = KEY_F8 - i;
449                 button->desc = (char *)
450                                 da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
451                 button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
452         }
453 }
454 
455 #ifdef CONFIG_DA850_UI_SD_VIDEO_PORT
456 static inline void da850_evm_setup_video_port(int video_sel)
457 {
458         gpio_set_value_cansleep(video_sel, 0);
459 }
460 #else
461 static inline void da850_evm_setup_video_port(int video_sel) { }
462 #endif
463 
464 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
465                                                 unsigned ngpio, void *c)
466 {
467         int sel_a, sel_b, sel_c, ret;
468 
469         sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
470         sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
471         sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
472 
473         ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
474         if (ret) {
475                 pr_warn("Cannot open UI expander pin %d\n", sel_a);
476                 goto exp_setup_sela_fail;
477         }
478 
479         ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
480         if (ret) {
481                 pr_warn("Cannot open UI expander pin %d\n", sel_b);
482                 goto exp_setup_selb_fail;
483         }
484 
485         ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
486         if (ret) {
487                 pr_warn("Cannot open UI expander pin %d\n", sel_c);
488                 goto exp_setup_selc_fail;
489         }
490 
491         /* deselect all functionalities */
492         gpio_direction_output(sel_a, 1);
493         gpio_direction_output(sel_b, 1);
494         gpio_direction_output(sel_c, 1);
495 
496         da850_evm_ui_keys_init(gpio);
497         ret = platform_device_register(&da850_evm_ui_keys_device);
498         if (ret) {
499                 pr_warn("Could not register UI GPIO expander push-buttons");
500                 goto exp_setup_keys_fail;
501         }
502 
503         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
504 
505         da850_evm_setup_nor_nand();
506 
507         da850_evm_setup_emac_rmii(sel_a);
508 
509         da850_evm_setup_video_port(sel_c);
510 
511         return 0;
512 
513 exp_setup_keys_fail:
514         gpio_free(sel_c);
515 exp_setup_selc_fail:
516         gpio_free(sel_b);
517 exp_setup_selb_fail:
518         gpio_free(sel_a);
519 exp_setup_sela_fail:
520         return ret;
521 }
522 
523 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
524                                         unsigned gpio, unsigned ngpio, void *c)
525 {
526         platform_device_unregister(&da850_evm_ui_keys_device);
527 
528         /* deselect all functionalities */
529         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
530         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
531         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
532 
533         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
534         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
535         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
536 
537         return 0;
538 }
539 
540 /* assign the baseboard expander's GPIOs after the UI board's */
541 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
542 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
543 
544 enum da850_evm_bb_exp_pins {
545         DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
546         DA850_EVM_BB_EXP_SW_RST,
547         DA850_EVM_BB_EXP_TP_23,
548         DA850_EVM_BB_EXP_TP_22,
549         DA850_EVM_BB_EXP_TP_21,
550         DA850_EVM_BB_EXP_USER_PB1,
551         DA850_EVM_BB_EXP_USER_LED2,
552         DA850_EVM_BB_EXP_USER_LED1,
553         DA850_EVM_BB_EXP_USER_SW1,
554         DA850_EVM_BB_EXP_USER_SW2,
555         DA850_EVM_BB_EXP_USER_SW3,
556         DA850_EVM_BB_EXP_USER_SW4,
557         DA850_EVM_BB_EXP_USER_SW5,
558         DA850_EVM_BB_EXP_USER_SW6,
559         DA850_EVM_BB_EXP_USER_SW7,
560         DA850_EVM_BB_EXP_USER_SW8
561 };
562 
563 static const char * const da850_evm_bb_exp[] = {
564         [DA850_EVM_BB_EXP_DEEP_SLEEP_EN]        = "deep_sleep_en",
565         [DA850_EVM_BB_EXP_SW_RST]               = "sw_rst",
566         [DA850_EVM_BB_EXP_TP_23]                = "tp_23",
567         [DA850_EVM_BB_EXP_TP_22]                = "tp_22",
568         [DA850_EVM_BB_EXP_TP_21]                = "tp_21",
569         [DA850_EVM_BB_EXP_USER_PB1]             = "user_pb1",
570         [DA850_EVM_BB_EXP_USER_LED2]            = "user_led2",
571         [DA850_EVM_BB_EXP_USER_LED1]            = "user_led1",
572         [DA850_EVM_BB_EXP_USER_SW1]             = "user_sw1",
573         [DA850_EVM_BB_EXP_USER_SW2]             = "user_sw2",
574         [DA850_EVM_BB_EXP_USER_SW3]             = "user_sw3",
575         [DA850_EVM_BB_EXP_USER_SW4]             = "user_sw4",
576         [DA850_EVM_BB_EXP_USER_SW5]             = "user_sw5",
577         [DA850_EVM_BB_EXP_USER_SW6]             = "user_sw6",
578         [DA850_EVM_BB_EXP_USER_SW7]             = "user_sw7",
579         [DA850_EVM_BB_EXP_USER_SW8]             = "user_sw8",
580 };
581 
582 #define DA850_N_BB_USER_SW      8
583 
584 static struct gpio_keys_button da850_evm_bb_keys[] = {
585         [0] = {
586                 .type                   = EV_KEY,
587                 .active_low             = 1,
588                 .wakeup                 = 0,
589                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
590                 .code                   = KEY_PROG1,
591                 .desc                   = NULL, /* assigned at runtime */
592                 .gpio                   = -1, /* assigned at runtime */
593         },
594         [1 ... DA850_N_BB_USER_SW] = {
595                 .type                   = EV_SW,
596                 .active_low             = 1,
597                 .wakeup                 = 0,
598                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
599                 .code                   = -1, /* assigned at runtime */
600                 .desc                   = NULL, /* assigned at runtime */
601                 .gpio                   = -1, /* assigned at runtime */
602         },
603 };
604 
605 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
606         .buttons = da850_evm_bb_keys,
607         .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
608         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
609 };
610 
611 static struct platform_device da850_evm_bb_keys_device = {
612         .name = "gpio-keys-polled",
613         .id = 1,
614         .dev = {
615                 .platform_data = &da850_evm_bb_keys_pdata
616         },
617 };
618 
619 static void da850_evm_bb_keys_init(unsigned gpio)
620 {
621         int i;
622         struct gpio_keys_button *button;
623 
624         button = &da850_evm_bb_keys[0];
625         button->desc = (char *)
626                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
627         button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
628 
629         for (i = 0; i < DA850_N_BB_USER_SW; i++) {
630                 button = &da850_evm_bb_keys[i + 1];
631                 button->code = SW_LID + i;
632                 button->desc = (char *)
633                                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
634                 button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
635         }
636 }
637 
638 #define DA850_N_BB_USER_LED     2
639 
640 static struct gpio_led da850_evm_bb_leds[] = {
641         [0 ... DA850_N_BB_USER_LED - 1] = {
642                 .active_low = 1,
643                 .gpio = -1, /* assigned at runtime */
644                 .name = NULL, /* assigned at runtime */
645         },
646 };
647 
648 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
649         .leds = da850_evm_bb_leds,
650         .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
651 };
652 
653 static struct platform_device da850_evm_bb_leds_device = {
654         .name           = "leds-gpio",
655         .id             = -1,
656         .dev = {
657                 .platform_data = &da850_evm_bb_leds_pdata
658         }
659 };
660 
661 static void da850_evm_bb_leds_init(unsigned gpio)
662 {
663         int i;
664         struct gpio_led *led;
665 
666         for (i = 0; i < DA850_N_BB_USER_LED; i++) {
667                 led = &da850_evm_bb_leds[i];
668 
669                 led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
670                 led->name =
671                         da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
672         }
673 }
674 
675 static int da850_evm_bb_expander_setup(struct i2c_client *client,
676                                                 unsigned gpio, unsigned ngpio,
677                                                 void *c)
678 {
679         int ret;
680 
681         /*
682          * Register the switches and pushbutton on the baseboard as a gpio-keys
683          * device.
684          */
685         da850_evm_bb_keys_init(gpio);
686         ret = platform_device_register(&da850_evm_bb_keys_device);
687         if (ret) {
688                 pr_warn("Could not register baseboard GPIO expander keys");
689                 goto io_exp_setup_sw_fail;
690         }
691 
692         da850_evm_bb_leds_init(gpio);
693         ret = platform_device_register(&da850_evm_bb_leds_device);
694         if (ret) {
695                 pr_warn("Could not register baseboard GPIO expander LEDs");
696                 goto io_exp_setup_leds_fail;
697         }
698 
699         return 0;
700 
701 io_exp_setup_leds_fail:
702         platform_device_unregister(&da850_evm_bb_keys_device);
703 io_exp_setup_sw_fail:
704         return ret;
705 }
706 
707 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
708                                         unsigned gpio, unsigned ngpio, void *c)
709 {
710         platform_device_unregister(&da850_evm_bb_leds_device);
711         platform_device_unregister(&da850_evm_bb_keys_device);
712 
713         return 0;
714 }
715 
716 static struct pca953x_platform_data da850_evm_ui_expander_info = {
717         .gpio_base      = DAVINCI_N_GPIO,
718         .setup          = da850_evm_ui_expander_setup,
719         .teardown       = da850_evm_ui_expander_teardown,
720         .names          = da850_evm_ui_exp,
721 };
722 
723 static struct pca953x_platform_data da850_evm_bb_expander_info = {
724         .gpio_base      = DA850_BB_EXPANDER_GPIO_BASE,
725         .setup          = da850_evm_bb_expander_setup,
726         .teardown       = da850_evm_bb_expander_teardown,
727         .names          = da850_evm_bb_exp,
728 };
729 
730 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
731         {
732                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
733         },
734         {
735                 I2C_BOARD_INFO("tca6416", 0x20),
736                 .platform_data = &da850_evm_ui_expander_info,
737         },
738         {
739                 I2C_BOARD_INFO("tca6416", 0x21),
740                 .platform_data = &da850_evm_bb_expander_info,
741         },
742 };
743 
744 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
745         .bus_freq       = 100,  /* kHz */
746         .bus_delay      = 0,    /* usec */
747 };
748 
749 static struct davinci_uart_config da850_evm_uart_config __initdata = {
750         .enabled_uarts = 0x7,
751 };
752 
753 /* davinci da850 evm audio machine driver */
754 static u8 da850_iis_serializer_direction[] = {
755         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
756         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
757         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
758         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
759 };
760 
761 static struct snd_platform_data da850_evm_snd_data = {
762         .tx_dma_offset          = 0x2000,
763         .rx_dma_offset          = 0x2000,
764         .op_mode                = DAVINCI_MCASP_IIS_MODE,
765         .num_serializer         = ARRAY_SIZE(da850_iis_serializer_direction),
766         .tdm_slots              = 2,
767         .serial_dir             = da850_iis_serializer_direction,
768         .asp_chan_q             = EVENTQ_0,
769         .ram_chan_q             = EVENTQ_1,
770         .version                = MCASP_VERSION_2,
771         .txnumevt               = 1,
772         .rxnumevt               = 1,
773         .sram_size_playback     = SZ_8K,
774         .sram_size_capture      = SZ_8K,
775 };
776 
777 static const short da850_evm_mcasp_pins[] __initconst = {
778         DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
779         DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
780         DA850_AXR_11, DA850_AXR_12,
781         -1
782 };
783 
784 static int da850_evm_mmc_get_ro(int index)
785 {
786         return gpio_get_value(DA850_MMCSD_WP_PIN);
787 }
788 
789 static int da850_evm_mmc_get_cd(int index)
790 {
791         return !gpio_get_value(DA850_MMCSD_CD_PIN);
792 }
793 
794 static struct davinci_mmc_config da850_mmc_config = {
795         .get_ro         = da850_evm_mmc_get_ro,
796         .get_cd         = da850_evm_mmc_get_cd,
797         .wires          = 4,
798         .max_freq       = 50000000,
799         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
800 };
801 
802 static const short da850_evm_mmcsd0_pins[] __initconst = {
803         DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
804         DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
805         DA850_GPIO4_0, DA850_GPIO4_1,
806         -1
807 };
808 
809 static void da850_panel_power_ctrl(int val)
810 {
811         /* lcd backlight */
812         gpio_set_value(DA850_LCD_BL_PIN, val);
813 
814         /* lcd power */
815         gpio_set_value(DA850_LCD_PWR_PIN, val);
816 }
817 
818 static int da850_lcd_hw_init(void)
819 {
820         int status;
821 
822         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
823         if (status < 0)
824                 return status;
825 
826         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
827         if (status < 0) {
828                 gpio_free(DA850_LCD_BL_PIN);
829                 return status;
830         }
831 
832         gpio_direction_output(DA850_LCD_BL_PIN, 0);
833         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
834 
835         /* Switch off panel power and backlight */
836         da850_panel_power_ctrl(0);
837 
838         /* Switch on panel power and backlight */
839         da850_panel_power_ctrl(1);
840 
841         return 0;
842 }
843 
844 /* TPS65070 voltage regulator support */
845 
846 /* 3.3V */
847 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
848         {
849                 .supply = "usb0_vdda33",
850         },
851         {
852                 .supply = "usb1_vdda33",
853         },
854 };
855 
856 /* 3.3V or 1.8V */
857 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
858         {
859                 .supply = "dvdd3318_a",
860         },
861         {
862                 .supply = "dvdd3318_b",
863         },
864         {
865                 .supply = "dvdd3318_c",
866         },
867 };
868 
869 /* 1.2V */
870 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
871         {
872                 .supply = "cvdd",
873         },
874 };
875 
876 /* 1.8V LDO */
877 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
878         {
879                 .supply = "sata_vddr",
880         },
881         {
882                 .supply = "usb0_vdda18",
883         },
884         {
885                 .supply = "usb1_vdda18",
886         },
887         {
888                 .supply = "ddr_dvdd18",
889         },
890 };
891 
892 /* 1.2V LDO */
893 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
894         {
895                 .supply = "sata_vdd",
896         },
897         {
898                 .supply = "pll0_vdda",
899         },
900         {
901                 .supply = "pll1_vdda",
902         },
903         {
904                 .supply = "usbs_cvdd",
905         },
906         {
907                 .supply = "vddarnwa1",
908         },
909 };
910 
911 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
912 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
913         .defdcdc_default = true,
914 };
915 
916 static struct regulator_init_data tps65070_regulator_data[] = {
917         /* dcdc1 */
918         {
919                 .constraints = {
920                         .min_uV = 3150000,
921                         .max_uV = 3450000,
922                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
923                                 REGULATOR_CHANGE_STATUS),
924                         .boot_on = 1,
925                 },
926                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
927                 .consumer_supplies = tps65070_dcdc1_consumers,
928         },
929 
930         /* dcdc2 */
931         {
932                 .constraints = {
933                         .min_uV = 1710000,
934                         .max_uV = 3450000,
935                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
936                                 REGULATOR_CHANGE_STATUS),
937                         .boot_on = 1,
938                 },
939                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
940                 .consumer_supplies = tps65070_dcdc2_consumers,
941                 .driver_data = &tps6507x_platform_data,
942         },
943 
944         /* dcdc3 */
945         {
946                 .constraints = {
947                         .min_uV = 950000,
948                         .max_uV = 1350000,
949                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
950                                 REGULATOR_CHANGE_STATUS),
951                         .boot_on = 1,
952                 },
953                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
954                 .consumer_supplies = tps65070_dcdc3_consumers,
955                 .driver_data = &tps6507x_platform_data,
956         },
957 
958         /* ldo1 */
959         {
960                 .constraints = {
961                         .min_uV = 1710000,
962                         .max_uV = 1890000,
963                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
964                                 REGULATOR_CHANGE_STATUS),
965                         .boot_on = 1,
966                 },
967                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
968                 .consumer_supplies = tps65070_ldo1_consumers,
969         },
970 
971         /* ldo2 */
972         {
973                 .constraints = {
974                         .min_uV = 1140000,
975                         .max_uV = 1320000,
976                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
977                                 REGULATOR_CHANGE_STATUS),
978                         .boot_on = 1,
979                 },
980                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
981                 .consumer_supplies = tps65070_ldo2_consumers,
982         },
983 };
984 
985 static struct touchscreen_init_data tps6507x_touchscreen_data = {
986         .poll_period =  30,     /* ms between touch samples */
987         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
988         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
989         .product = 65070,       /* /sys/class/input/input?/id/product */
990         .version = 0x100,       /* /sys/class/input/input?/id/version */
991 };
992 
993 static struct tps6507x_board tps_board = {
994         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
995         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
996 };
997 
998 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
999         {
1000                 I2C_BOARD_INFO("tps6507x", 0x48),
1001                 .platform_data = &tps_board,
1002         },
1003 };
1004 
1005 static int __init pmic_tps65070_init(void)
1006 {
1007         return i2c_register_board_info(1, da850_evm_tps65070_info,
1008                                         ARRAY_SIZE(da850_evm_tps65070_info));
1009 }
1010 
1011 static const short da850_evm_lcdc_pins[] = {
1012         DA850_GPIO2_8, DA850_GPIO2_15,
1013         -1
1014 };
1015 
1016 static const short da850_evm_mii_pins[] = {
1017         DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1018         DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1019         DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1020         DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1021         DA850_MDIO_D,
1022         -1
1023 };
1024 
1025 static const short da850_evm_rmii_pins[] = {
1026         DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1027         DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1028         DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1029         DA850_MDIO_D,
1030         -1
1031 };
1032 
1033 static int __init da850_evm_config_emac(void)
1034 {
1035         void __iomem *cfg_chip3_base;
1036         int ret;
1037         u32 val;
1038         struct davinci_soc_info *soc_info = &davinci_soc_info;
1039         u8 rmii_en = soc_info->emac_pdata->rmii_en;
1040 
1041         if (!machine_is_davinci_da850_evm())
1042                 return 0;
1043 
1044         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
1045 
1046         val = __raw_readl(cfg_chip3_base);
1047 
1048         if (rmii_en) {
1049                 val |= BIT(8);
1050                 ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
1051                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1052                                                         " functional\n");
1053         } else {
1054                 val &= ~BIT(8);
1055                 ret = davinci_cfg_reg_list(da850_evm_mii_pins);
1056                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1057                                                         " functional\n");
1058         }
1059 
1060         if (ret)
1061                 pr_warn("%s: CPGMAC/RMII mux setup failed: %d\n",
1062                         __func__, ret);
1063 
1064         /* configure the CFGCHIP3 register for RMII or MII */
1065         __raw_writel(val, cfg_chip3_base);
1066 
1067         ret = davinci_cfg_reg(DA850_GPIO2_6);
1068         if (ret)
1069                 pr_warn("%s:GPIO(2,6) mux setup failed\n", __func__);
1070 
1071         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
1072         if (ret) {
1073                 pr_warn("Cannot open GPIO %d\n", DA850_MII_MDIO_CLKEN_PIN);
1074                 return ret;
1075         }
1076 
1077         /* Enable/Disable MII MDIO clock */
1078         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
1079 
1080         soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
1081 
1082         ret = da8xx_register_emac();
1083         if (ret)
1084                 pr_warn("%s: EMAC registration failed: %d\n", __func__, ret);
1085 
1086         return 0;
1087 }
1088 device_initcall(da850_evm_config_emac);
1089 
1090 /*
1091  * The following EDMA channels/slots are not being used by drivers (for
1092  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1093  * they are being reserved for codecs on the DSP side.
1094  */
1095 static const s16 da850_dma0_rsv_chans[][2] = {
1096         /* (offset, number) */
1097         { 8,  6},
1098         {24,  4},
1099         {30,  2},
1100         {-1, -1}
1101 };
1102 
1103 static const s16 da850_dma0_rsv_slots[][2] = {
1104         /* (offset, number) */
1105         { 8,  6},
1106         {24,  4},
1107         {30, 50},
1108         {-1, -1}
1109 };
1110 
1111 static const s16 da850_dma1_rsv_chans[][2] = {
1112         /* (offset, number) */
1113         { 0, 28},
1114         {30,  2},
1115         {-1, -1}
1116 };
1117 
1118 static const s16 da850_dma1_rsv_slots[][2] = {
1119         /* (offset, number) */
1120         { 0, 28},
1121         {30, 90},
1122         {-1, -1}
1123 };
1124 
1125 static struct edma_rsv_info da850_edma_cc0_rsv = {
1126         .rsv_chans      = da850_dma0_rsv_chans,
1127         .rsv_slots      = da850_dma0_rsv_slots,
1128 };
1129 
1130 static struct edma_rsv_info da850_edma_cc1_rsv = {
1131         .rsv_chans      = da850_dma1_rsv_chans,
1132         .rsv_slots      = da850_dma1_rsv_slots,
1133 };
1134 
1135 static struct edma_rsv_info *da850_edma_rsv[2] = {
1136         &da850_edma_cc0_rsv,
1137         &da850_edma_cc1_rsv,
1138 };
1139 
1140 #ifdef CONFIG_CPU_FREQ
1141 static __init int da850_evm_init_cpufreq(void)
1142 {
1143         switch (system_rev & 0xF) {
1144         case 3:
1145                 da850_max_speed = 456000;
1146                 break;
1147         case 2:
1148                 da850_max_speed = 408000;
1149                 break;
1150         case 1:
1151                 da850_max_speed = 372000;
1152                 break;
1153         }
1154 
1155         return da850_register_cpufreq("pll0_sysclk3");
1156 }
1157 #else
1158 static __init int da850_evm_init_cpufreq(void) { return 0; }
1159 #endif
1160 
1161 #if defined(CONFIG_DA850_UI_SD_VIDEO_PORT)
1162 
1163 #define TVP5147_CH0             "tvp514x-0"
1164 #define TVP5147_CH1             "tvp514x-1"
1165 
1166 /* VPIF capture configuration */
1167 static struct tvp514x_platform_data tvp5146_pdata = {
1168                 .clk_polarity = 0,
1169                 .hs_polarity  = 1,
1170                 .vs_polarity  = 1,
1171 };
1172 
1173 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
1174 
1175 static const struct vpif_input da850_ch0_inputs[] = {
1176         {
1177                 .input = {
1178                         .index = 0,
1179                         .name  = "Composite",
1180                         .type  = V4L2_INPUT_TYPE_CAMERA,
1181                         .capabilities = V4L2_IN_CAP_STD,
1182                         .std   = TVP514X_STD_ALL,
1183                 },
1184                 .input_route = INPUT_CVBS_VI2B,
1185                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1186                 .subdev_name = TVP5147_CH0,
1187         },
1188 };
1189 
1190 static const struct vpif_input da850_ch1_inputs[] = {
1191         {
1192                 .input = {
1193                         .index = 0,
1194                         .name  = "S-Video",
1195                         .type  = V4L2_INPUT_TYPE_CAMERA,
1196                         .capabilities = V4L2_IN_CAP_STD,
1197                         .std   = TVP514X_STD_ALL,
1198                 },
1199                 .input_route = INPUT_SVIDEO_VI2C_VI1C,
1200                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1201                 .subdev_name = TVP5147_CH1,
1202         },
1203 };
1204 
1205 static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = {
1206         {
1207                 .name = TVP5147_CH0,
1208                 .board_info = {
1209                         I2C_BOARD_INFO("tvp5146", 0x5d),
1210                         .platform_data = &tvp5146_pdata,
1211                 },
1212         },
1213         {
1214                 .name = TVP5147_CH1,
1215                 .board_info = {
1216                         I2C_BOARD_INFO("tvp5146", 0x5c),
1217                         .platform_data = &tvp5146_pdata,
1218                 },
1219         },
1220 };
1221 
1222 static struct vpif_capture_config da850_vpif_capture_config = {
1223         .subdev_info = da850_vpif_capture_sdev_info,
1224         .subdev_count = ARRAY_SIZE(da850_vpif_capture_sdev_info),
1225         .chan_config[0] = {
1226                 .inputs = da850_ch0_inputs,
1227                 .input_count = ARRAY_SIZE(da850_ch0_inputs),
1228                 .vpif_if = {
1229                         .if_type = VPIF_IF_BT656,
1230                         .hd_pol  = 1,
1231                         .vd_pol  = 1,
1232                         .fid_pol = 0,
1233                 },
1234         },
1235         .chan_config[1] = {
1236                 .inputs = da850_ch1_inputs,
1237                 .input_count = ARRAY_SIZE(da850_ch1_inputs),
1238                 .vpif_if = {
1239                         .if_type = VPIF_IF_BT656,
1240                         .hd_pol  = 1,
1241                         .vd_pol  = 1,
1242                         .fid_pol = 0,
1243                 },
1244         },
1245         .card_name = "DA850/OMAP-L138 Video Capture",
1246 };
1247 
1248 /* VPIF display configuration */
1249 
1250 static struct adv7343_platform_data adv7343_pdata = {
1251         .mode_config = {
1252                 .dac_3 = 1,
1253                 .dac_2 = 1,
1254                 .dac_1 = 1,
1255         },
1256         .sd_config = {
1257                 .sd_dac_out1 = 1,
1258         },
1259 };
1260 
1261 static struct vpif_subdev_info da850_vpif_subdev[] = {
1262         {
1263                 .name = "adv7343",
1264                 .board_info = {
1265                         I2C_BOARD_INFO("adv7343", 0x2a),
1266                         .platform_data = &adv7343_pdata,
1267                 },
1268         },
1269 };
1270 
1271 static const struct vpif_output da850_ch0_outputs[] = {
1272         {
1273                 .output = {
1274                         .index = 0,
1275                         .name = "Composite",
1276                         .type = V4L2_OUTPUT_TYPE_ANALOG,
1277                         .capabilities = V4L2_OUT_CAP_STD,
1278                         .std = V4L2_STD_ALL,
1279                 },
1280                 .subdev_name = "adv7343",
1281                 .output_route = ADV7343_COMPOSITE_ID,
1282         },
1283         {
1284                 .output = {
1285                         .index = 1,
1286                         .name = "S-Video",
1287                         .type = V4L2_OUTPUT_TYPE_ANALOG,
1288                         .capabilities = V4L2_OUT_CAP_STD,
1289                         .std = V4L2_STD_ALL,
1290                 },
1291                 .subdev_name = "adv7343",
1292                 .output_route = ADV7343_SVIDEO_ID,
1293         },
1294 };
1295 
1296 static struct vpif_display_config da850_vpif_display_config = {
1297         .subdevinfo   = da850_vpif_subdev,
1298         .subdev_count = ARRAY_SIZE(da850_vpif_subdev),
1299         .chan_config[0] = {
1300                 .outputs = da850_ch0_outputs,
1301                 .output_count = ARRAY_SIZE(da850_ch0_outputs),
1302         },
1303         .card_name    = "DA850/OMAP-L138 Video Display",
1304 };
1305 
1306 static __init void da850_vpif_init(void)
1307 {
1308         int ret;
1309 
1310         ret = da850_register_vpif();
1311         if (ret)
1312                 pr_warn("da850_evm_init: VPIF setup failed: %d\n", ret);
1313 
1314         ret = davinci_cfg_reg_list(da850_vpif_capture_pins);
1315         if (ret)
1316                 pr_warn("da850_evm_init: VPIF capture mux setup failed: %d\n",
1317                         ret);
1318 
1319         ret = da850_register_vpif_capture(&da850_vpif_capture_config);
1320         if (ret)
1321                 pr_warn("da850_evm_init: VPIF capture setup failed: %d\n", ret);
1322 
1323         ret = davinci_cfg_reg_list(da850_vpif_display_pins);
1324         if (ret)
1325                 pr_warn("da850_evm_init: VPIF display mux setup failed: %d\n",
1326                         ret);
1327 
1328         ret = da850_register_vpif_display(&da850_vpif_display_config);
1329         if (ret)
1330                 pr_warn("da850_evm_init: VPIF display setup failed: %d\n", ret);
1331 }
1332 
1333 #else
1334 static __init void da850_vpif_init(void) {}
1335 #endif
1336 
1337 #ifdef CONFIG_DA850_WL12XX
1338 
1339 static void wl12xx_set_power(int index, bool power_on)
1340 {
1341         static bool power_state;
1342 
1343         pr_debug("Powering %s wl12xx", power_on ? "on" : "off");
1344 
1345         if (power_on == power_state)
1346                 return;
1347         power_state = power_on;
1348 
1349         if (power_on) {
1350                 /* Power up sequence required for wl127x devices */
1351                 gpio_set_value(DA850_WLAN_EN, 1);
1352                 usleep_range(15000, 15000);
1353                 gpio_set_value(DA850_WLAN_EN, 0);
1354                 usleep_range(1000, 1000);
1355                 gpio_set_value(DA850_WLAN_EN, 1);
1356                 msleep(70);
1357         } else {
1358                 gpio_set_value(DA850_WLAN_EN, 0);
1359         }
1360 }
1361 
1362 static struct davinci_mmc_config da850_wl12xx_mmc_config = {
1363         .set_power      = wl12xx_set_power,
1364         .wires          = 4,
1365         .max_freq       = 25000000,
1366         .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE |
1367                           MMC_CAP_POWER_OFF_CARD,
1368 };
1369 
1370 static const short da850_wl12xx_pins[] __initconst = {
1371         DA850_MMCSD1_DAT_0, DA850_MMCSD1_DAT_1, DA850_MMCSD1_DAT_2,
1372         DA850_MMCSD1_DAT_3, DA850_MMCSD1_CLK, DA850_MMCSD1_CMD,
1373         DA850_GPIO6_9, DA850_GPIO6_10,
1374         -1
1375 };
1376 
1377 static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata = {
1378         .irq                    = -1,
1379         .board_ref_clock        = WL12XX_REFCLOCK_38,
1380         .platform_quirks        = WL12XX_PLATFORM_QUIRK_EDGE_IRQ,
1381 };
1382 
1383 static __init int da850_wl12xx_init(void)
1384 {
1385         int ret;
1386 
1387         ret = davinci_cfg_reg_list(da850_wl12xx_pins);
1388         if (ret) {
1389                 pr_err("wl12xx/mmc mux setup failed: %d\n", ret);
1390                 goto exit;
1391         }
1392 
1393         ret = da850_register_mmcsd1(&da850_wl12xx_mmc_config);
1394         if (ret) {
1395                 pr_err("wl12xx/mmc registration failed: %d\n", ret);
1396                 goto exit;
1397         }
1398 
1399         ret = gpio_request_one(DA850_WLAN_EN, GPIOF_OUT_INIT_LOW, "wl12xx_en");
1400         if (ret) {
1401                 pr_err("Could not request wl12xx enable gpio: %d\n", ret);
1402                 goto exit;
1403         }
1404 
1405         ret = gpio_request_one(DA850_WLAN_IRQ, GPIOF_IN, "wl12xx_irq");
1406         if (ret) {
1407                 pr_err("Could not request wl12xx irq gpio: %d\n", ret);
1408                 goto free_wlan_en;
1409         }
1410 
1411         da850_wl12xx_wlan_data.irq = gpio_to_irq(DA850_WLAN_IRQ);
1412 
1413         ret = wl12xx_set_platform_data(&da850_wl12xx_wlan_data);
1414         if (ret) {
1415                 pr_err("Could not set wl12xx data: %d\n", ret);
1416                 goto free_wlan_irq;
1417         }
1418 
1419         return 0;
1420 
1421 free_wlan_irq:
1422         gpio_free(DA850_WLAN_IRQ);
1423 
1424 free_wlan_en:
1425         gpio_free(DA850_WLAN_EN);
1426 
1427 exit:
1428         return ret;
1429 }
1430 
1431 #else /* CONFIG_DA850_WL12XX */
1432 
1433 static __init int da850_wl12xx_init(void)
1434 {
1435         return 0;
1436 }
1437 
1438 #endif /* CONFIG_DA850_WL12XX */
1439 
1440 #define DA850EVM_SATA_REFCLKPN_RATE     (100 * 1000 * 1000)
1441 
1442 static __init void da850_evm_init(void)
1443 {
1444         int ret;
1445 
1446         ret = pmic_tps65070_init();
1447         if (ret)
1448                 pr_warn("%s: TPS65070 PMIC init failed: %d\n", __func__, ret);
1449 
1450         ret = da850_register_edma(da850_edma_rsv);
1451         if (ret)
1452                 pr_warn("%s: EDMA registration failed: %d\n", __func__, ret);
1453 
1454         ret = davinci_cfg_reg_list(da850_i2c0_pins);
1455         if (ret)
1456                 pr_warn("%s: I2C0 mux setup failed: %d\n", __func__, ret);
1457 
1458         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1459         if (ret)
1460                 pr_warn("%s: I2C0 registration failed: %d\n", __func__, ret);
1461 
1462 
1463         ret = da8xx_register_watchdog();
1464         if (ret)
1465                 pr_warn("%s: watchdog registration failed: %d\n",
1466                         __func__, ret);
1467 
1468         if (HAS_MMC) {
1469                 ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1470                 if (ret)
1471                         pr_warn("%s: MMCSD0 mux setup failed: %d\n",
1472                                 __func__, ret);
1473 
1474                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
1475                 if (ret)
1476                         pr_warn("%s: can not open GPIO %d\n",
1477                                 __func__, DA850_MMCSD_CD_PIN);
1478                 gpio_direction_input(DA850_MMCSD_CD_PIN);
1479 
1480                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
1481                 if (ret)
1482                         pr_warn("%s: can not open GPIO %d\n",
1483                                 __func__, DA850_MMCSD_WP_PIN);
1484                 gpio_direction_input(DA850_MMCSD_WP_PIN);
1485 
1486                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
1487                 if (ret)
1488                         pr_warn("%s: MMCSD0 registration failed: %d\n",
1489                                 __func__, ret);
1490 
1491                 ret = da850_wl12xx_init();
1492                 if (ret)
1493                         pr_warn("%s: WL12xx initialization failed: %d\n",
1494                                 __func__, ret);
1495         }
1496 
1497         davinci_serial_init(&da850_evm_uart_config);
1498 
1499         i2c_register_board_info(1, da850_evm_i2c_devices,
1500                         ARRAY_SIZE(da850_evm_i2c_devices));
1501 
1502         /*
1503          * shut down uart 0 and 1; they are not used on the board and
1504          * accessing them causes endless "too much work in irq53" messages
1505          * with arago fs
1506          */
1507         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1508         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1509 
1510         ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1511         if (ret)
1512                 pr_warn("%s: McASP mux setup failed: %d\n", __func__, ret);
1513 
1514         da850_evm_snd_data.sram_pool = sram_get_gen_pool();
1515         da8xx_register_mcasp(0, &da850_evm_snd_data);
1516 
1517         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1518         if (ret)
1519                 pr_warn("%s: LCDC mux setup failed: %d\n", __func__, ret);
1520 
1521         ret = da8xx_register_uio_pruss();
1522         if (ret)
1523                 pr_warn("da850_evm_init: pruss initialization failed: %d\n",
1524                                 ret);
1525 
1526         /* Handle board specific muxing for LCD here */
1527         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1528         if (ret)
1529                 pr_warn("%s: EVM specific LCD mux setup failed: %d\n",
1530                         __func__, ret);
1531 
1532         ret = da850_lcd_hw_init();
1533         if (ret)
1534                 pr_warn("%s: LCD initialization failed: %d\n", __func__, ret);
1535 
1536         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
1537         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1538         if (ret)
1539                 pr_warn("%s: LCDC registration failed: %d\n", __func__, ret);
1540 
1541         ret = da8xx_register_rtc();
1542         if (ret)
1543                 pr_warn("%s: RTC setup failed: %d\n", __func__, ret);
1544 
1545         ret = da850_evm_init_cpufreq();
1546         if (ret)
1547                 pr_warn("%s: cpufreq registration failed: %d\n", __func__, ret);
1548 
1549         ret = da8xx_register_cpuidle();
1550         if (ret)
1551                 pr_warn("%s: cpuidle registration failed: %d\n", __func__, ret);
1552 
1553         ret = da850_register_pm(&da850_pm_device);
1554         if (ret)
1555                 pr_warn("%s: suspend registration failed: %d\n", __func__, ret);
1556 
1557         da850_vpif_init();
1558 
1559         ret = spi_register_board_info(da850evm_spi_info,
1560                                       ARRAY_SIZE(da850evm_spi_info));
1561         if (ret)
1562                 pr_warn("%s: spi info registration failed: %d\n", __func__,
1563                         ret);
1564 
1565         ret = da8xx_register_spi_bus(1, ARRAY_SIZE(da850evm_spi_info));
1566         if (ret)
1567                 pr_warn("%s: SPI 1 registration failed: %d\n", __func__, ret);
1568 
1569         ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE);
1570         if (ret)
1571                 pr_warn("%s: SATA registration failed: %d\n", __func__, ret);
1572 
1573         da850_evm_setup_mac_addr();
1574 
1575         ret = da8xx_register_rproc();
1576         if (ret)
1577                 pr_warn("%s: dsp/rproc registration failed: %d\n",
1578                         __func__, ret);
1579 }
1580 
1581 #ifdef CONFIG_SERIAL_8250_CONSOLE
1582 static int __init da850_evm_console_init(void)
1583 {
1584         if (!machine_is_davinci_da850_evm())
1585                 return 0;
1586 
1587         return add_preferred_console("ttyS", 2, "115200");
1588 }
1589 console_initcall(da850_evm_console_init);
1590 #endif
1591 
1592 static void __init da850_evm_map_io(void)
1593 {
1594         da850_init();
1595 }
1596 
1597 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1598         .atag_offset    = 0x100,
1599         .map_io         = da850_evm_map_io,
1600         .init_irq       = cp_intc_init,
1601         .init_time      = davinci_timer_init,
1602         .init_machine   = da850_evm_init,
1603         .init_late      = davinci_init_late,
1604         .dma_zone_size  = SZ_128M,
1605         .restart        = da8xx_restart,
1606         .reserve        = da8xx_rproc_reserve_cma,
1607 MACHINE_END
1608 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp