Merge tag 'v4.18-rc2' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds...
[sfrench/cifs-2.6.git] / arch / arm / mach-davinci / board-da830-evm.c
1 /*
2  * TI DA830/OMAP L137 EVM board
3  *
4  * Author: Mark A. Greer <mgreer@mvista.com>
5  * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
6  *
7  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
8  * the terms of the GNU General Public License version 2. This program
9  * is licensed "as is" without any warranty of any kind, whether express
10  * or implied.
11  */
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/console.h>
15 #include <linux/interrupt.h>
16 #include <linux/gpio.h>
17 #include <linux/gpio/machine.h>
18 #include <linux/platform_device.h>
19 #include <linux/i2c.h>
20 #include <linux/platform_data/pcf857x.h>
21 #include <linux/platform_data/at24.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/partitions.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/flash.h>
26 #include <linux/platform_data/gpio-davinci.h>
27 #include <linux/platform_data/mtd-davinci.h>
28 #include <linux/platform_data/mtd-davinci-aemif.h>
29 #include <linux/platform_data/spi-davinci.h>
30 #include <linux/platform_data/usb-davinci.h>
31 #include <linux/regulator/machine.h>
32
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35
36 #include <mach/common.h>
37 #include "cp_intc.h"
38 #include <mach/mux.h>
39 #include <mach/da8xx.h>
40
41 #define DA830_EVM_PHY_ID                ""
42 /*
43  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
44  */
45 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
46 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
47
48 static const short da830_evm_usb11_pins[] = {
49         DA830_GPIO1_15, DA830_GPIO2_4,
50         -1
51 };
52
53 static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
54
55 static int da830_evm_usb_set_power(unsigned port, int on)
56 {
57         gpio_set_value(ON_BD_USB_DRV, on);
58         return 0;
59 }
60
61 static int da830_evm_usb_get_power(unsigned port)
62 {
63         return gpio_get_value(ON_BD_USB_DRV);
64 }
65
66 static int da830_evm_usb_get_oci(unsigned port)
67 {
68         return !gpio_get_value(ON_BD_USB_OVC);
69 }
70
71 static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
72
73 static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
74 {
75         int irq         = gpio_to_irq(ON_BD_USB_OVC);
76         int error       = 0;
77
78         if (handler != NULL) {
79                 da830_evm_usb_ocic_handler = handler;
80
81                 error = request_irq(irq, da830_evm_usb_ocic_irq,
82                                     IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
83                                     "OHCI over-current indicator", NULL);
84                 if (error)
85                         pr_err("%s: could not request IRQ to watch over-current indicator changes\n",
86                                __func__);
87         } else
88                 free_irq(irq, NULL);
89
90         return error;
91 }
92
93 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
94         .set_power      = da830_evm_usb_set_power,
95         .get_power      = da830_evm_usb_get_power,
96         .get_oci        = da830_evm_usb_get_oci,
97         .ocic_notify    = da830_evm_usb_ocic_notify,
98
99         /* TPS2065 switch @ 5V */
100         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
101 };
102
103 static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
104 {
105         da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
106         return IRQ_HANDLED;
107 }
108
109 static __init void da830_evm_usb_init(void)
110 {
111         int ret;
112
113         /* USB_REFCLKIN is not used. */
114         ret = da8xx_register_usb20_phy_clk(false);
115         if (ret)
116                 pr_warn("%s: USB 2.0 PHY CLK registration failed: %d\n",
117                         __func__, ret);
118
119         ret = da8xx_register_usb11_phy_clk(false);
120         if (ret)
121                 pr_warn("%s: USB 1.1 PHY CLK registration failed: %d\n",
122                         __func__, ret);
123
124         ret = da8xx_register_usb_phy();
125         if (ret)
126                 pr_warn("%s: USB PHY registration failed: %d\n",
127                         __func__, ret);
128
129         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
130         if (ret)
131                 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__, ret);
132         else {
133                 /*
134                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
135                  * with the power on to power good time of 3 ms.
136                  */
137                 ret = da8xx_register_usb20(1000, 3);
138                 if (ret)
139                         pr_warn("%s: USB 2.0 registration failed: %d\n",
140                                 __func__, ret);
141         }
142
143         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
144         if (ret) {
145                 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
146                 return;
147         }
148
149         ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
150         if (ret) {
151                 pr_err("%s: failed to request GPIO for USB 1.1 port power control: %d\n",
152                        __func__, ret);
153                 return;
154         }
155         gpio_direction_output(ON_BD_USB_DRV, 0);
156
157         ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
158         if (ret) {
159                 pr_err("%s: failed to request GPIO for USB 1.1 port over-current indicator: %d\n",
160                        __func__, ret);
161                 return;
162         }
163         gpio_direction_input(ON_BD_USB_OVC);
164
165         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
166         if (ret)
167                 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
168 }
169
170 static const short da830_evm_mcasp1_pins[] = {
171         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
172         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
173         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
174         DA830_AXR1_11,
175         -1
176 };
177
178 static u8 da830_iis_serializer_direction[] = {
179         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
180         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
181         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
182 };
183
184 static struct snd_platform_data da830_evm_snd_data = {
185         .tx_dma_offset  = 0x2000,
186         .rx_dma_offset  = 0x2000,
187         .op_mode        = DAVINCI_MCASP_IIS_MODE,
188         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
189         .tdm_slots      = 2,
190         .serial_dir     = da830_iis_serializer_direction,
191         .asp_chan_q     = EVENTQ_0,
192         .version        = MCASP_VERSION_2,
193         .txnumevt       = 1,
194         .rxnumevt       = 1,
195 };
196
197 /*
198  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
199  */
200 static const short da830_evm_mmc_sd_pins[] = {
201         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
202         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
203         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
204         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
205         -1
206 };
207
208 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
209 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
210
211 static struct gpiod_lookup_table mmc_gpios_table = {
212         .dev_id = "da830-mmc.0",
213         .table = {
214                 /* gpio chip 1 contains gpio range 32-63 */
215                 GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_CD_PIN, "cd",
216                             GPIO_ACTIVE_LOW),
217                 GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_WP_PIN, "wp",
218                             GPIO_ACTIVE_LOW),
219         },
220 };
221
222 static struct davinci_mmc_config da830_evm_mmc_config = {
223         .wires                  = 8,
224         .max_freq               = 50000000,
225         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
226 };
227
228 static inline void da830_evm_init_mmc(void)
229 {
230         int ret;
231
232         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
233         if (ret) {
234                 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__, ret);
235                 return;
236         }
237
238         gpiod_add_lookup_table(&mmc_gpios_table);
239
240         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
241         if (ret) {
242                 pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
243                 gpiod_remove_lookup_table(&mmc_gpios_table);
244         }
245 }
246
247 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
248
249 #ifdef CONFIG_DA830_UI_NAND
250 static struct mtd_partition da830_evm_nand_partitions[] = {
251         /* bootloader (U-Boot, etc) in first sector */
252         [0] = {
253                 .name           = "bootloader",
254                 .offset         = 0,
255                 .size           = SZ_128K,
256                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
257         },
258         /* bootloader params in the next sector */
259         [1] = {
260                 .name           = "params",
261                 .offset         = MTDPART_OFS_APPEND,
262                 .size           = SZ_128K,
263                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
264         },
265         /* kernel */
266         [2] = {
267                 .name           = "kernel",
268                 .offset         = MTDPART_OFS_APPEND,
269                 .size           = SZ_2M,
270                 .mask_flags     = 0,
271         },
272         /* file system */
273         [3] = {
274                 .name           = "filesystem",
275                 .offset         = MTDPART_OFS_APPEND,
276                 .size           = MTDPART_SIZ_FULL,
277                 .mask_flags     = 0,
278         }
279 };
280
281 /* flash bbt decriptors */
282 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
283 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
284
285 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
286         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
287                           NAND_BBT_WRITE | NAND_BBT_2BIT |
288                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
289         .offs           = 2,
290         .len            = 4,
291         .veroffs        = 16,
292         .maxblocks      = 4,
293         .pattern        = da830_evm_nand_bbt_pattern
294 };
295
296 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
297         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
298                           NAND_BBT_WRITE | NAND_BBT_2BIT |
299                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
300         .offs           = 2,
301         .len            = 4,
302         .veroffs        = 16,
303         .maxblocks      = 4,
304         .pattern        = da830_evm_nand_mirror_pattern
305 };
306
307 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
308         .wsetup         = 24,
309         .wstrobe        = 21,
310         .whold          = 14,
311         .rsetup         = 19,
312         .rstrobe        = 50,
313         .rhold          = 0,
314         .ta             = 20,
315 };
316
317 static struct davinci_nand_pdata da830_evm_nand_pdata = {
318         .core_chipsel   = 1,
319         .parts          = da830_evm_nand_partitions,
320         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
321         .ecc_mode       = NAND_ECC_HW,
322         .ecc_bits       = 4,
323         .bbt_options    = NAND_BBT_USE_FLASH,
324         .bbt_td         = &da830_evm_nand_bbt_main_descr,
325         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
326         .timing         = &da830_evm_nandflash_timing,
327 };
328
329 static struct resource da830_evm_nand_resources[] = {
330         [0] = {         /* First memory resource is NAND I/O window */
331                 .start  = DA8XX_AEMIF_CS3_BASE,
332                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
333                 .flags  = IORESOURCE_MEM,
334         },
335         [1] = {         /* Second memory resource is AEMIF control registers */
336                 .start  = DA8XX_AEMIF_CTL_BASE,
337                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
338                 .flags  = IORESOURCE_MEM,
339         },
340 };
341
342 static struct platform_device da830_evm_nand_device = {
343         .name           = "davinci_nand",
344         .id             = 1,
345         .dev            = {
346                 .platform_data  = &da830_evm_nand_pdata,
347         },
348         .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
349         .resource       = da830_evm_nand_resources,
350 };
351
352 /*
353  * UI board NAND/NOR flashes only use 8-bit data bus.
354  */
355 static const short da830_evm_emif25_pins[] = {
356         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
357         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
358         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
359         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
360         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
361         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
362         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
363         -1
364 };
365
366 static inline void da830_evm_init_nand(int mux_mode)
367 {
368         int ret;
369
370         if (HAS_MMC) {
371                 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
372                         "\tDisable MMC/SD for NAND support\n");
373                 return;
374         }
375
376         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
377         if (ret)
378                 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
379
380         ret = platform_device_register(&da830_evm_nand_device);
381         if (ret)
382                 pr_warn("%s: NAND device not registered\n", __func__);
383
384         if (davinci_aemif_setup(&da830_evm_nand_device))
385                 pr_warn("%s: Cannot configure AEMIF\n", __func__);
386
387         gpio_direction_output(mux_mode, 1);
388 }
389 #else
390 static inline void da830_evm_init_nand(int mux_mode) { }
391 #endif
392
393 #ifdef CONFIG_DA830_UI_LCD
394 static inline void da830_evm_init_lcdc(int mux_mode)
395 {
396         int ret;
397
398         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
399         if (ret)
400                 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
401
402         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
403         if (ret)
404                 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
405
406         gpio_direction_output(mux_mode, 0);
407 }
408 #else
409 static inline void da830_evm_init_lcdc(int mux_mode) { }
410 #endif
411
412 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
413         .byte_len       = SZ_256K / 8,
414         .page_size      = 64,
415         .flags          = AT24_FLAG_ADDR16,
416         .setup          = davinci_get_mac_addr,
417         .context        = (void *)0x7f00,
418 };
419
420 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
421                 int gpio, unsigned ngpio, void *context)
422 {
423         gpio_request(gpio + 6, "UI MUX_MODE");
424
425         /* Drive mux mode low to match the default without UI card */
426         gpio_direction_output(gpio + 6, 0);
427
428         da830_evm_init_lcdc(gpio + 6);
429
430         da830_evm_init_nand(gpio + 6);
431
432         return 0;
433 }
434
435 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
436                 unsigned ngpio, void *context)
437 {
438         gpio_free(gpio + 6);
439         return 0;
440 }
441
442 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
443         .gpio_base      = DAVINCI_N_GPIO,
444         .setup          = da830_evm_ui_expander_setup,
445         .teardown       = da830_evm_ui_expander_teardown,
446 };
447
448 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
449         {
450                 I2C_BOARD_INFO("24c256", 0x50),
451                 .platform_data  = &da830_evm_i2c_eeprom_info,
452         },
453         {
454                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
455         },
456         {
457                 I2C_BOARD_INFO("pcf8574", 0x3f),
458                 .platform_data  = &da830_evm_ui_expander_info,
459         },
460 };
461
462 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
463         .bus_freq       = 100,  /* kHz */
464         .bus_delay      = 0,    /* usec */
465 };
466
467 /*
468  * The following EDMA channels/slots are not being used by drivers (for
469  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
470  * they are being reserved for codecs on the DSP side.
471  */
472 static const s16 da830_dma_rsv_chans[][2] = {
473         /* (offset, number) */
474         { 8,  2},
475         {12,  2},
476         {24,  4},
477         {30,  2},
478         {-1, -1}
479 };
480
481 static const s16 da830_dma_rsv_slots[][2] = {
482         /* (offset, number) */
483         { 8,  2},
484         {12,  2},
485         {24,  4},
486         {30, 26},
487         {-1, -1}
488 };
489
490 static struct edma_rsv_info da830_edma_rsv[] = {
491         {
492                 .rsv_chans      = da830_dma_rsv_chans,
493                 .rsv_slots      = da830_dma_rsv_slots,
494         },
495 };
496
497 static struct mtd_partition da830evm_spiflash_part[] = {
498         [0] = {
499                 .name = "DSP-UBL",
500                 .offset = 0,
501                 .size = SZ_8K,
502                 .mask_flags = MTD_WRITEABLE,
503         },
504         [1] = {
505                 .name = "ARM-UBL",
506                 .offset = MTDPART_OFS_APPEND,
507                 .size = SZ_16K + SZ_8K,
508                 .mask_flags = MTD_WRITEABLE,
509         },
510         [2] = {
511                 .name = "U-Boot",
512                 .offset = MTDPART_OFS_APPEND,
513                 .size = SZ_256K - SZ_32K,
514                 .mask_flags = MTD_WRITEABLE,
515         },
516         [3] = {
517                 .name = "U-Boot-Environment",
518                 .offset = MTDPART_OFS_APPEND,
519                 .size = SZ_16K,
520                 .mask_flags = 0,
521         },
522         [4] = {
523                 .name = "Kernel",
524                 .offset = MTDPART_OFS_APPEND,
525                 .size = MTDPART_SIZ_FULL,
526                 .mask_flags = 0,
527         },
528 };
529
530 static struct flash_platform_data da830evm_spiflash_data = {
531         .name           = "m25p80",
532         .parts          = da830evm_spiflash_part,
533         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
534         .type           = "w25x32",
535 };
536
537 static struct davinci_spi_config da830evm_spiflash_cfg = {
538         .io_type        = SPI_IO_TYPE_DMA,
539         .c2tdelay       = 8,
540         .t2cdelay       = 8,
541 };
542
543 static struct spi_board_info da830evm_spi_info[] = {
544         {
545                 .modalias               = "m25p80",
546                 .platform_data          = &da830evm_spiflash_data,
547                 .controller_data        = &da830evm_spiflash_cfg,
548                 .mode                   = SPI_MODE_0,
549                 .max_speed_hz           = 30000000,
550                 .bus_num                = 0,
551                 .chip_select            = 0,
552         },
553 };
554
555 static __init void da830_evm_init(void)
556 {
557         struct davinci_soc_info *soc_info = &davinci_soc_info;
558         int ret;
559
560         ret = da830_register_gpio();
561         if (ret)
562                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
563
564         ret = da830_register_edma(da830_edma_rsv);
565         if (ret)
566                 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
567
568         ret = davinci_cfg_reg_list(da830_i2c0_pins);
569         if (ret)
570                 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
571
572         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
573         if (ret)
574                 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
575
576         da830_evm_usb_init();
577
578         soc_info->emac_pdata->rmii_en = 1;
579         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
580
581         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
582         if (ret)
583                 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
584
585         ret = da8xx_register_emac();
586         if (ret)
587                 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
588
589         ret = da8xx_register_watchdog();
590         if (ret)
591                 pr_warn("%s: watchdog registration failed: %d\n",
592                         __func__, ret);
593
594         davinci_serial_init(da8xx_serial_device);
595         i2c_register_board_info(1, da830_evm_i2c_devices,
596                         ARRAY_SIZE(da830_evm_i2c_devices));
597
598         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
599         if (ret)
600                 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
601
602         da8xx_register_mcasp(1, &da830_evm_snd_data);
603
604         da830_evm_init_mmc();
605
606         ret = da8xx_register_rtc();
607         if (ret)
608                 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
609
610         ret = spi_register_board_info(da830evm_spi_info,
611                                       ARRAY_SIZE(da830evm_spi_info));
612         if (ret)
613                 pr_warn("%s: spi info registration failed: %d\n",
614                         __func__, ret);
615
616         ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
617         if (ret)
618                 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
619
620         regulator_has_full_constraints();
621 }
622
623 #ifdef CONFIG_SERIAL_8250_CONSOLE
624 static int __init da830_evm_console_init(void)
625 {
626         if (!machine_is_davinci_da830_evm())
627                 return 0;
628
629         return add_preferred_console("ttyS", 2, "115200");
630 }
631 console_initcall(da830_evm_console_init);
632 #endif
633
634 static void __init da830_evm_map_io(void)
635 {
636         da830_init();
637 }
638
639 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
640         .atag_offset    = 0x100,
641         .map_io         = da830_evm_map_io,
642         .init_irq       = cp_intc_init,
643         .init_time      = da830_init_time,
644         .init_machine   = da830_evm_init,
645         .init_late      = davinci_init_late,
646         .dma_zone_size  = SZ_128M,
647 MACHINE_END