Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel...
[linux-2.6.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/mfd/tps6507x.h>
21 #include <linux/gpio.h>
22 #include <linux/platform_device.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/nand.h>
25 #include <linux/mtd/partitions.h>
26 #include <linux/mtd/physmap.h>
27 #include <linux/regulator/machine.h>
28 #include <linux/regulator/tps6507x.h>
29 #include <linux/mfd/tps6507x.h>
30 #include <linux/input/tps6507x-ts.h>
31
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34
35 #include <mach/cp_intc.h>
36 #include <mach/da8xx.h>
37 #include <mach/nand.h>
38 #include <mach/mux.h>
39
40 #define DA850_EVM_PHY_MASK              0x1
41 #define DA850_EVM_MDIO_FREQUENCY        2200000 /* PHY bus frequency */
42
43 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
44 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
45
46 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
47 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
48
49 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
50
51 static struct mtd_partition da850_evm_norflash_partition[] = {
52         {
53                 .name           = "bootloaders + env",
54                 .offset         = 0,
55                 .size           = SZ_512K,
56                 .mask_flags     = MTD_WRITEABLE,
57         },
58         {
59                 .name           = "kernel",
60                 .offset         = MTDPART_OFS_APPEND,
61                 .size           = SZ_2M,
62                 .mask_flags     = 0,
63         },
64         {
65                 .name           = "filesystem",
66                 .offset         = MTDPART_OFS_APPEND,
67                 .size           = MTDPART_SIZ_FULL,
68                 .mask_flags     = 0,
69         },
70 };
71
72 static struct physmap_flash_data da850_evm_norflash_data = {
73         .width          = 2,
74         .parts          = da850_evm_norflash_partition,
75         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
76 };
77
78 static struct resource da850_evm_norflash_resource[] = {
79         {
80                 .start  = DA8XX_AEMIF_CS2_BASE,
81                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
82                 .flags  = IORESOURCE_MEM,
83         },
84 };
85
86 static struct platform_device da850_evm_norflash_device = {
87         .name           = "physmap-flash",
88         .id             = 0,
89         .dev            = {
90                 .platform_data  = &da850_evm_norflash_data,
91         },
92         .num_resources  = 1,
93         .resource       = da850_evm_norflash_resource,
94 };
95
96 static struct davinci_pm_config da850_pm_pdata = {
97         .sleepcount = 128,
98 };
99
100 static struct platform_device da850_pm_device = {
101         .name           = "pm-davinci",
102         .dev = {
103                 .platform_data  = &da850_pm_pdata,
104         },
105         .id             = -1,
106 };
107
108 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
109  * (128K blocks). It may be used instead of the (default) SPI flash
110  * to boot, using TI's tools to install the secondary boot loader
111  * (UBL) and U-Boot.
112  */
113 struct mtd_partition da850_evm_nandflash_partition[] = {
114         {
115                 .name           = "u-boot env",
116                 .offset         = 0,
117                 .size           = SZ_128K,
118                 .mask_flags     = MTD_WRITEABLE,
119          },
120         {
121                 .name           = "UBL",
122                 .offset         = MTDPART_OFS_APPEND,
123                 .size           = SZ_128K,
124                 .mask_flags     = MTD_WRITEABLE,
125         },
126         {
127                 .name           = "u-boot",
128                 .offset         = MTDPART_OFS_APPEND,
129                 .size           = 4 * SZ_128K,
130                 .mask_flags     = MTD_WRITEABLE,
131         },
132         {
133                 .name           = "kernel",
134                 .offset         = 0x200000,
135                 .size           = SZ_2M,
136                 .mask_flags     = 0,
137         },
138         {
139                 .name           = "filesystem",
140                 .offset         = MTDPART_OFS_APPEND,
141                 .size           = MTDPART_SIZ_FULL,
142                 .mask_flags     = 0,
143         },
144 };
145
146 static struct davinci_nand_pdata da850_evm_nandflash_data = {
147         .parts          = da850_evm_nandflash_partition,
148         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
149         .ecc_mode       = NAND_ECC_HW,
150         .ecc_bits       = 4,
151         .options        = NAND_USE_FLASH_BBT,
152 };
153
154 static struct resource da850_evm_nandflash_resource[] = {
155         {
156                 .start  = DA8XX_AEMIF_CS3_BASE,
157                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
158                 .flags  = IORESOURCE_MEM,
159         },
160         {
161                 .start  = DA8XX_AEMIF_CTL_BASE,
162                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
163                 .flags  = IORESOURCE_MEM,
164         },
165 };
166
167 static struct platform_device da850_evm_nandflash_device = {
168         .name           = "davinci_nand",
169         .id             = 1,
170         .dev            = {
171                 .platform_data  = &da850_evm_nandflash_data,
172         },
173         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
174         .resource       = da850_evm_nandflash_resource,
175 };
176
177 static struct platform_device *da850_evm_devices[] __initdata = {
178         &da850_evm_nandflash_device,
179         &da850_evm_norflash_device,
180 };
181
182 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
183 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
184
185 static void __init da850_evm_init_nor(void)
186 {
187         void __iomem *aemif_addr;
188
189         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
190
191         /* Configure data bus width of CS2 to 16 bit */
192         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
193                 DA8XX_AEMIF_ASIZE_16BIT,
194                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
195
196         iounmap(aemif_addr);
197 }
198
199 static u32 ui_card_detected;
200
201 #if defined(CONFIG_MMC_DAVINCI) || \
202     defined(CONFIG_MMC_DAVINCI_MODULE)
203 #define HAS_MMC 1
204 #else
205 #define HAS_MMC 0
206 #endif
207
208 static __init void da850_evm_setup_nor_nand(void)
209 {
210         int ret = 0;
211
212         if (ui_card_detected & !HAS_MMC) {
213                 ret = davinci_cfg_reg_list(da850_nand_pins);
214                 if (ret)
215                         pr_warning("da850_evm_init: nand mux setup failed: "
216                                         "%d\n", ret);
217
218                 ret = davinci_cfg_reg_list(da850_nor_pins);
219                 if (ret)
220                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
221                                 ret);
222
223                 da850_evm_init_nor();
224
225                 platform_add_devices(da850_evm_devices,
226                                         ARRAY_SIZE(da850_evm_devices));
227         }
228 }
229
230 #ifdef CONFIG_DA850_UI_RMII
231 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
232 {
233         struct davinci_soc_info *soc_info = &davinci_soc_info;
234
235         soc_info->emac_pdata->rmii_en = 1;
236         gpio_set_value(rmii_sel, 0);
237 }
238 #else
239 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
240 #endif
241
242 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
243                                                 unsigned ngpio, void *c)
244 {
245         int sel_a, sel_b, sel_c, ret;
246
247         sel_a = gpio + 7;
248         sel_b = gpio + 6;
249         sel_c = gpio + 5;
250
251         ret = gpio_request(sel_a, "sel_a");
252         if (ret) {
253                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
254                 goto exp_setup_sela_fail;
255         }
256
257         ret = gpio_request(sel_b, "sel_b");
258         if (ret) {
259                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
260                 goto exp_setup_selb_fail;
261         }
262
263         ret = gpio_request(sel_c, "sel_c");
264         if (ret) {
265                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
266                 goto exp_setup_selc_fail;
267         }
268
269         /* deselect all functionalities */
270         gpio_direction_output(sel_a, 1);
271         gpio_direction_output(sel_b, 1);
272         gpio_direction_output(sel_c, 1);
273
274         ui_card_detected = 1;
275         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
276
277         da850_evm_setup_nor_nand();
278
279         da850_evm_setup_emac_rmii(sel_a);
280
281         return 0;
282
283 exp_setup_selc_fail:
284         gpio_free(sel_b);
285 exp_setup_selb_fail:
286         gpio_free(sel_a);
287 exp_setup_sela_fail:
288         return ret;
289 }
290
291 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
292                                         unsigned gpio, unsigned ngpio, void *c)
293 {
294         /* deselect all functionalities */
295         gpio_set_value(gpio + 5, 1);
296         gpio_set_value(gpio + 6, 1);
297         gpio_set_value(gpio + 7, 1);
298
299         gpio_free(gpio + 5);
300         gpio_free(gpio + 6);
301         gpio_free(gpio + 7);
302
303         return 0;
304 }
305
306 static struct pca953x_platform_data da850_evm_ui_expander_info = {
307         .gpio_base      = DAVINCI_N_GPIO,
308         .setup          = da850_evm_ui_expander_setup,
309         .teardown       = da850_evm_ui_expander_teardown,
310 };
311
312 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
313         {
314                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
315         },
316         {
317                 I2C_BOARD_INFO("tca6416", 0x20),
318                 .platform_data = &da850_evm_ui_expander_info,
319         },
320 };
321
322 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
323         .bus_freq       = 100,  /* kHz */
324         .bus_delay      = 0,    /* usec */
325 };
326
327 static struct davinci_uart_config da850_evm_uart_config __initdata = {
328         .enabled_uarts = 0x7,
329 };
330
331 /* davinci da850 evm audio machine driver */
332 static u8 da850_iis_serializer_direction[] = {
333         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
334         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
335         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
336         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
337 };
338
339 static struct snd_platform_data da850_evm_snd_data = {
340         .tx_dma_offset  = 0x2000,
341         .rx_dma_offset  = 0x2000,
342         .op_mode        = DAVINCI_MCASP_IIS_MODE,
343         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
344         .tdm_slots      = 2,
345         .serial_dir     = da850_iis_serializer_direction,
346         .eventq_no      = EVENTQ_1,
347         .version        = MCASP_VERSION_2,
348         .txnumevt       = 1,
349         .rxnumevt       = 1,
350 };
351
352 static int da850_evm_mmc_get_ro(int index)
353 {
354         return gpio_get_value(DA850_MMCSD_WP_PIN);
355 }
356
357 static int da850_evm_mmc_get_cd(int index)
358 {
359         return !gpio_get_value(DA850_MMCSD_CD_PIN);
360 }
361
362 static struct davinci_mmc_config da850_mmc_config = {
363         .get_ro         = da850_evm_mmc_get_ro,
364         .get_cd         = da850_evm_mmc_get_cd,
365         .wires          = 4,
366         .max_freq       = 50000000,
367         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
368         .version        = MMC_CTLR_VERSION_2,
369 };
370
371 static void da850_panel_power_ctrl(int val)
372 {
373         /* lcd backlight */
374         gpio_set_value(DA850_LCD_BL_PIN, val);
375
376         /* lcd power */
377         gpio_set_value(DA850_LCD_PWR_PIN, val);
378 }
379
380 static int da850_lcd_hw_init(void)
381 {
382         int status;
383
384         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
385         if (status < 0)
386                 return status;
387
388         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
389         if (status < 0) {
390                 gpio_free(DA850_LCD_BL_PIN);
391                 return status;
392         }
393
394         gpio_direction_output(DA850_LCD_BL_PIN, 0);
395         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
396
397         /* Switch off panel power and backlight */
398         da850_panel_power_ctrl(0);
399
400         /* Switch on panel power and backlight */
401         da850_panel_power_ctrl(1);
402
403         return 0;
404 }
405
406 /* TPS65070 voltage regulator support */
407
408 /* 3.3V */
409 struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
410         {
411                 .supply = "usb0_vdda33",
412         },
413         {
414                 .supply = "usb1_vdda33",
415         },
416 };
417
418 /* 3.3V or 1.8V */
419 struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
420         {
421                 .supply = "dvdd3318_a",
422         },
423         {
424                 .supply = "dvdd3318_b",
425         },
426         {
427                 .supply = "dvdd3318_c",
428         },
429 };
430
431 /* 1.2V */
432 struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
433         {
434                 .supply = "cvdd",
435         },
436 };
437
438 /* 1.8V LDO */
439 struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
440         {
441                 .supply = "sata_vddr",
442         },
443         {
444                 .supply = "usb0_vdda18",
445         },
446         {
447                 .supply = "usb1_vdda18",
448         },
449         {
450                 .supply = "ddr_dvdd18",
451         },
452 };
453
454 /* 1.2V LDO */
455 struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
456         {
457                 .supply = "sata_vdd",
458         },
459         {
460                 .supply = "pll0_vdda",
461         },
462         {
463                 .supply = "pll1_vdda",
464         },
465         {
466                 .supply = "usbs_cvdd",
467         },
468         {
469                 .supply = "vddarnwa1",
470         },
471 };
472
473 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
474 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
475         .defdcdc_default = true,
476 };
477
478 struct regulator_init_data tps65070_regulator_data[] = {
479         /* dcdc1 */
480         {
481                 .constraints = {
482                         .min_uV = 3150000,
483                         .max_uV = 3450000,
484                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
485                                 REGULATOR_CHANGE_STATUS),
486                         .boot_on = 1,
487                 },
488                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
489                 .consumer_supplies = tps65070_dcdc1_consumers,
490         },
491
492         /* dcdc2 */
493         {
494                 .constraints = {
495                         .min_uV = 1710000,
496                         .max_uV = 3450000,
497                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
498                                 REGULATOR_CHANGE_STATUS),
499                         .boot_on = 1,
500                 },
501                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
502                 .consumer_supplies = tps65070_dcdc2_consumers,
503                 .driver_data = &tps6507x_platform_data,
504         },
505
506         /* dcdc3 */
507         {
508                 .constraints = {
509                         .min_uV = 950000,
510                         .max_uV = 1320000,
511                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
512                                 REGULATOR_CHANGE_STATUS),
513                         .boot_on = 1,
514                 },
515                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
516                 .consumer_supplies = tps65070_dcdc3_consumers,
517                 .driver_data = &tps6507x_platform_data,
518         },
519
520         /* ldo1 */
521         {
522                 .constraints = {
523                         .min_uV = 1710000,
524                         .max_uV = 1890000,
525                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
526                                 REGULATOR_CHANGE_STATUS),
527                         .boot_on = 1,
528                 },
529                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
530                 .consumer_supplies = tps65070_ldo1_consumers,
531         },
532
533         /* ldo2 */
534         {
535                 .constraints = {
536                         .min_uV = 1140000,
537                         .max_uV = 1320000,
538                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
539                                 REGULATOR_CHANGE_STATUS),
540                         .boot_on = 1,
541                 },
542                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
543                 .consumer_supplies = tps65070_ldo2_consumers,
544         },
545 };
546
547 static struct touchscreen_init_data tps6507x_touchscreen_data = {
548         .poll_period =  30,     /* ms between touch samples */
549         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
550         .vref = 0,              /* turn off vref when not using A/D */
551         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
552         .product = 65070,       /* /sys/class/input/input?/id/product */
553         .version = 0x100,       /* /sys/class/input/input?/id/version */
554 };
555
556 static struct tps6507x_board tps_board = {
557         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
558         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
559 };
560
561 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
562         {
563                 I2C_BOARD_INFO("tps6507x", 0x48),
564                 .platform_data = &tps_board,
565         },
566 };
567
568 static int __init pmic_tps65070_init(void)
569 {
570         return i2c_register_board_info(1, da850evm_tps65070_info,
571                                         ARRAY_SIZE(da850evm_tps65070_info));
572 }
573
574 static const short da850_evm_lcdc_pins[] = {
575         DA850_GPIO2_8, DA850_GPIO2_15,
576         -1
577 };
578
579 static int __init da850_evm_config_emac(void)
580 {
581         void __iomem *cfg_chip3_base;
582         int ret;
583         u32 val;
584         struct davinci_soc_info *soc_info = &davinci_soc_info;
585         u8 rmii_en = soc_info->emac_pdata->rmii_en;
586
587         if (!machine_is_davinci_da850_evm())
588                 return 0;
589
590         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
591
592         val = __raw_readl(cfg_chip3_base);
593
594         if (rmii_en) {
595                 val |= BIT(8);
596                 ret = davinci_cfg_reg_list(da850_rmii_pins);
597                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
598                                                         " functional\n");
599         } else {
600                 val &= ~BIT(8);
601                 ret = davinci_cfg_reg_list(da850_cpgmac_pins);
602                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
603                                                         " functional\n");
604         }
605
606         if (ret)
607                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
608                                 ret);
609
610         /* configure the CFGCHIP3 register for RMII or MII */
611         __raw_writel(val, cfg_chip3_base);
612
613         ret = davinci_cfg_reg(DA850_GPIO2_6);
614         if (ret)
615                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
616                                                         "failed\n");
617
618         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
619         if (ret) {
620                 pr_warning("Cannot open GPIO %d\n",
621                                         DA850_MII_MDIO_CLKEN_PIN);
622                 return ret;
623         }
624
625         /* Enable/Disable MII MDIO clock */
626         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
627
628         soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
629         soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
630
631         ret = da8xx_register_emac();
632         if (ret)
633                 pr_warning("da850_evm_init: emac registration failed: %d\n",
634                                 ret);
635
636         return 0;
637 }
638 device_initcall(da850_evm_config_emac);
639
640 static __init void da850_evm_init(void)
641 {
642         int ret;
643
644         ret = pmic_tps65070_init();
645         if (ret)
646                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
647                                 ret);
648
649         ret = da8xx_register_edma();
650         if (ret)
651                 pr_warning("da850_evm_init: edma registration failed: %d\n",
652                                 ret);
653
654         ret = davinci_cfg_reg_list(da850_i2c0_pins);
655         if (ret)
656                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
657                                 ret);
658
659         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
660         if (ret)
661                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
662                                 ret);
663
664
665         ret = da8xx_register_watchdog();
666         if (ret)
667                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
668                                 ret);
669
670         if (HAS_MMC) {
671                 ret = davinci_cfg_reg_list(da850_mmcsd0_pins);
672                 if (ret)
673                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
674                                         " %d\n", ret);
675
676                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
677                 if (ret)
678                         pr_warning("da850_evm_init: can not open GPIO %d\n",
679                                         DA850_MMCSD_CD_PIN);
680                 gpio_direction_input(DA850_MMCSD_CD_PIN);
681
682                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
683                 if (ret)
684                         pr_warning("da850_evm_init: can not open GPIO %d\n",
685                                         DA850_MMCSD_WP_PIN);
686                 gpio_direction_input(DA850_MMCSD_WP_PIN);
687
688                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
689                 if (ret)
690                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
691                                         " %d\n", ret);
692         }
693
694         davinci_serial_init(&da850_evm_uart_config);
695
696         i2c_register_board_info(1, da850_evm_i2c_devices,
697                         ARRAY_SIZE(da850_evm_i2c_devices));
698
699         /*
700          * shut down uart 0 and 1; they are not used on the board and
701          * accessing them causes endless "too much work in irq53" messages
702          * with arago fs
703          */
704         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
705         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
706
707         ret = davinci_cfg_reg_list(da850_mcasp_pins);
708         if (ret)
709                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
710                                 ret);
711
712         da8xx_register_mcasp(0, &da850_evm_snd_data);
713
714         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
715         if (ret)
716                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
717                                 ret);
718
719         /* Handle board specific muxing for LCD here */
720         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
721         if (ret)
722                 pr_warning("da850_evm_init: evm specific lcd mux setup "
723                                 "failed: %d\n", ret);
724
725         ret = da850_lcd_hw_init();
726         if (ret)
727                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
728                                 ret);
729
730         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
731         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
732         if (ret)
733                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
734                                 ret);
735
736         ret = da8xx_register_rtc();
737         if (ret)
738                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
739
740         ret = da850_register_cpufreq();
741         if (ret)
742                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
743                                 ret);
744
745         ret = da8xx_register_cpuidle();
746         if (ret)
747                 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
748                                 ret);
749
750         ret = da850_register_pm(&da850_pm_device);
751         if (ret)
752                 pr_warning("da850_evm_init: suspend registration failed: %d\n",
753                                 ret);
754 }
755
756 #ifdef CONFIG_SERIAL_8250_CONSOLE
757 static int __init da850_evm_console_init(void)
758 {
759         return add_preferred_console("ttyS", 2, "115200");
760 }
761 console_initcall(da850_evm_console_init);
762 #endif
763
764 static void __init da850_evm_map_io(void)
765 {
766         da850_init();
767 }
768
769 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
770         .phys_io        = IO_PHYS,
771         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
772         .boot_params    = (DA8XX_DDR_BASE + 0x100),
773         .map_io         = da850_evm_map_io,
774         .init_irq       = cp_intc_init,
775         .timer          = &davinci_timer,
776         .init_machine   = da850_evm_init,
777 MACHINE_END