Commit | Line | Data |
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95a3477f KH |
1 | /* |
2 | * TI DaVinci EVM board support | |
3 | * | |
4 | * Author: Kevin Hilman, Deep Root Systems, LLC | |
5 | * | |
6 | * 2007 (c) MontaVista Software, Inc. This file is licensed under | |
7 | * the terms of the GNU General Public License version 2. This program | |
8 | * is licensed "as is" without any warranty of any kind, whether express | |
9 | * or implied. | |
10 | */ | |
11 | #include <linux/kernel.h> | |
95a3477f | 12 | #include <linux/init.h> |
42d399e4 | 13 | #include <linux/err.h> |
95a3477f KH |
14 | #include <linux/platform_device.h> |
15 | #include <linux/mtd/mtd.h> | |
16 | #include <linux/mtd/partitions.h> | |
d4092d76 | 17 | #include <linux/mtd/rawnand.h> |
95a3477f | 18 | #include <linux/i2c.h> |
95a3477f | 19 | #include <linux/gpio.h> |
e5353765 | 20 | #include <linux/gpio/machine.h> |
95a3477f | 21 | #include <linux/clk.h> |
51e68e27 | 22 | #include <linux/videodev2.h> |
b5dcee22 | 23 | #include <media/i2c/tvp514x.h> |
95a3477f KH |
24 | #include <linux/spi/spi.h> |
25 | #include <linux/spi/eeprom.h> | |
834acb2a PA |
26 | #include <linux/platform_data/gpio-davinci.h> |
27 | #include <linux/platform_data/i2c-davinci.h> | |
28 | #include <linux/platform_data/mtd-davinci.h> | |
29 | #include <linux/platform_data/mmc-davinci.h> | |
30 | #include <linux/platform_data/usb-davinci.h> | |
95a3477f | 31 | |
95a3477f KH |
32 | #include <asm/mach-types.h> |
33 | #include <asm/mach/arch.h> | |
95a3477f | 34 | |
95a3477f | 35 | #include <mach/serial.h> |
834acb2a | 36 | #include <mach/common.h> |
95a3477f | 37 | |
39c6d2d1 MH |
38 | #include "davinci.h" |
39 | ||
95a3477f KH |
40 | /* NOTE: this is geared for the standard config, with a socketed |
41 | * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you | |
42 | * swap chips, maybe with a different block size, partitioning may | |
43 | * need to be changed. | |
44 | */ | |
45 | #define NAND_BLOCK_SIZE SZ_128K | |
46 | ||
47 | static struct mtd_partition davinci_nand_partitions[] = { | |
48 | { | |
49 | /* UBL (a few copies) plus U-Boot */ | |
50 | .name = "bootloader", | |
51 | .offset = 0, | |
52 | .size = 15 * NAND_BLOCK_SIZE, | |
53 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
54 | }, { | |
55 | /* U-Boot environment */ | |
56 | .name = "params", | |
57 | .offset = MTDPART_OFS_APPEND, | |
58 | .size = 1 * NAND_BLOCK_SIZE, | |
59 | .mask_flags = 0, | |
60 | }, { | |
61 | .name = "kernel", | |
62 | .offset = MTDPART_OFS_APPEND, | |
63 | .size = SZ_4M, | |
64 | .mask_flags = 0, | |
65 | }, { | |
66 | .name = "filesystem1", | |
67 | .offset = MTDPART_OFS_APPEND, | |
68 | .size = SZ_512M, | |
69 | .mask_flags = 0, | |
70 | }, { | |
71 | .name = "filesystem2", | |
72 | .offset = MTDPART_OFS_APPEND, | |
73 | .size = MTDPART_SIZ_FULL, | |
74 | .mask_flags = 0, | |
75 | } | |
76 | /* two blocks with bad block table (and mirror) at the end */ | |
77 | }; | |
78 | ||
79 | static struct davinci_nand_pdata davinci_nand_data = { | |
80 | .mask_chipsel = BIT(14), | |
81 | .parts = davinci_nand_partitions, | |
82 | .nr_parts = ARRAY_SIZE(davinci_nand_partitions), | |
74c987a0 | 83 | .ecc_mode = NAND_ECC_HW, |
bb9ebd4e | 84 | .bbt_options = NAND_BBT_USE_FLASH, |
74c987a0 | 85 | .ecc_bits = 4, |
95a3477f KH |
86 | }; |
87 | ||
88 | static struct resource davinci_nand_resources[] = { | |
89 | { | |
70342174 SS |
90 | .start = DM355_ASYNC_EMIF_DATA_CE0_BASE, |
91 | .end = DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1, | |
95a3477f KH |
92 | .flags = IORESOURCE_MEM, |
93 | }, { | |
70342174 SS |
94 | .start = DM355_ASYNC_EMIF_CONTROL_BASE, |
95 | .end = DM355_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, | |
95a3477f KH |
96 | .flags = IORESOURCE_MEM, |
97 | }, | |
98 | }; | |
99 | ||
100 | static struct platform_device davinci_nand_device = { | |
101 | .name = "davinci_nand", | |
102 | .id = 0, | |
103 | ||
104 | .num_resources = ARRAY_SIZE(davinci_nand_resources), | |
105 | .resource = davinci_nand_resources, | |
106 | ||
107 | .dev = { | |
108 | .platform_data = &davinci_nand_data, | |
109 | }, | |
110 | }; | |
111 | ||
e5353765 LW |
112 | static struct gpiod_lookup_table i2c_recovery_gpiod_table = { |
113 | .dev_id = "i2c_davinci", | |
114 | .table = { | |
115 | GPIO_LOOKUP("davinci_gpio", 15, "sda", | |
116 | GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), | |
117 | GPIO_LOOKUP("davinci_gpio", 14, "scl", | |
118 | GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), | |
119 | }, | |
120 | }; | |
121 | ||
95a3477f KH |
122 | static struct davinci_i2c_platform_data i2c_pdata = { |
123 | .bus_freq = 400 /* kHz */, | |
124 | .bus_delay = 0 /* usec */, | |
e5353765 | 125 | .gpio_recovery = true, |
95a3477f KH |
126 | }; |
127 | ||
128 | static int dm355evm_mmc_gpios = -EINVAL; | |
129 | ||
130 | static void dm355evm_mmcsd_gpios(unsigned gpio) | |
131 | { | |
132 | gpio_request(gpio + 0, "mmc0_ro"); | |
133 | gpio_request(gpio + 1, "mmc0_cd"); | |
134 | gpio_request(gpio + 2, "mmc1_ro"); | |
135 | gpio_request(gpio + 3, "mmc1_cd"); | |
136 | ||
137 | /* we "know" these are input-only so we don't | |
138 | * need to call gpio_direction_input() | |
139 | */ | |
140 | ||
141 | dm355evm_mmc_gpios = gpio; | |
142 | } | |
143 | ||
144 | static struct i2c_board_info dm355evm_i2c_info[] = { | |
51e68e27 | 145 | { I2C_BOARD_INFO("dm355evm_msp", 0x25), |
95a3477f | 146 | .platform_data = dm355evm_mmcsd_gpios, |
51e68e27 MK |
147 | }, |
148 | /* { plus irq }, */ | |
1a7ff8ff | 149 | { I2C_BOARD_INFO("tlv320aic33", 0x1b), }, |
95a3477f KH |
150 | }; |
151 | ||
152 | static void __init evm_init_i2c(void) | |
153 | { | |
e5353765 | 154 | gpiod_add_lookup_table(&i2c_recovery_gpiod_table); |
95a3477f KH |
155 | davinci_init_i2c(&i2c_pdata); |
156 | ||
157 | gpio_request(5, "dm355evm_msp"); | |
158 | gpio_direction_input(5); | |
159 | dm355evm_i2c_info[0].irq = gpio_to_irq(5); | |
160 | ||
161 | i2c_register_board_info(1, dm355evm_i2c_info, | |
162 | ARRAY_SIZE(dm355evm_i2c_info)); | |
163 | } | |
164 | ||
165 | static struct resource dm355evm_dm9000_rsrc[] = { | |
166 | { | |
167 | /* addr */ | |
168 | .start = 0x04014000, | |
169 | .end = 0x04014001, | |
170 | .flags = IORESOURCE_MEM, | |
171 | }, { | |
172 | /* data */ | |
173 | .start = 0x04014002, | |
174 | .end = 0x04014003, | |
175 | .flags = IORESOURCE_MEM, | |
176 | }, { | |
177 | .flags = IORESOURCE_IRQ | |
178 | | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */, | |
179 | }, | |
180 | }; | |
181 | ||
182 | static struct platform_device dm355evm_dm9000 = { | |
183 | .name = "dm9000", | |
184 | .id = -1, | |
185 | .resource = dm355evm_dm9000_rsrc, | |
186 | .num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc), | |
187 | }; | |
188 | ||
51e68e27 MK |
189 | static struct tvp514x_platform_data tvp5146_pdata = { |
190 | .clk_polarity = 0, | |
191 | .hs_polarity = 1, | |
192 | .vs_polarity = 1 | |
193 | }; | |
194 | ||
195 | #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) | |
196 | /* Inputs available at the TVP5146 */ | |
197 | static struct v4l2_input tvp5146_inputs[] = { | |
198 | { | |
199 | .index = 0, | |
200 | .name = "Composite", | |
201 | .type = V4L2_INPUT_TYPE_CAMERA, | |
202 | .std = TVP514X_STD_ALL, | |
203 | }, | |
204 | { | |
205 | .index = 1, | |
206 | .name = "S-Video", | |
207 | .type = V4L2_INPUT_TYPE_CAMERA, | |
208 | .std = TVP514X_STD_ALL, | |
209 | }, | |
210 | }; | |
211 | ||
212 | /* | |
213 | * this is the route info for connecting each input to decoder | |
214 | * ouput that goes to vpfe. There is a one to one correspondence | |
215 | * with tvp5146_inputs | |
216 | */ | |
217 | static struct vpfe_route tvp5146_routes[] = { | |
218 | { | |
219 | .input = INPUT_CVBS_VI2B, | |
220 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, | |
221 | }, | |
222 | { | |
223 | .input = INPUT_SVIDEO_VI2C_VI1C, | |
224 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, | |
225 | }, | |
226 | }; | |
227 | ||
228 | static struct vpfe_subdev_info vpfe_sub_devs[] = { | |
229 | { | |
230 | .name = "tvp5146", | |
231 | .grp_id = 0, | |
232 | .num_inputs = ARRAY_SIZE(tvp5146_inputs), | |
233 | .inputs = tvp5146_inputs, | |
234 | .routes = tvp5146_routes, | |
235 | .can_route = 1, | |
236 | .ccdc_if_params = { | |
237 | .if_type = VPFE_BT656, | |
238 | .hdpol = VPFE_PINPOL_POSITIVE, | |
239 | .vdpol = VPFE_PINPOL_POSITIVE, | |
240 | }, | |
241 | .board_info = { | |
242 | I2C_BOARD_INFO("tvp5146", 0x5d), | |
243 | .platform_data = &tvp5146_pdata, | |
244 | }, | |
245 | } | |
246 | }; | |
247 | ||
248 | static struct vpfe_config vpfe_cfg = { | |
249 | .num_subdevs = ARRAY_SIZE(vpfe_sub_devs), | |
077639f4 | 250 | .i2c_adapter_id = 1, |
51e68e27 MK |
251 | .sub_devs = vpfe_sub_devs, |
252 | .card_name = "DM355 EVM", | |
253 | .ccdc = "DM355 CCDC", | |
254 | }; | |
255 | ||
87756177 LP |
256 | /* venc standards timings */ |
257 | static struct vpbe_enc_mode_info dm355evm_enc_preset_timing[] = { | |
258 | { | |
259 | .name = "ntsc", | |
260 | .timings_type = VPBE_ENC_STD, | |
89cdbba8 | 261 | .std_id = V4L2_STD_NTSC, |
87756177 LP |
262 | .interlaced = 1, |
263 | .xres = 720, | |
264 | .yres = 480, | |
265 | .aspect = {11, 10}, | |
266 | .fps = {30000, 1001}, | |
267 | .left_margin = 0x79, | |
268 | .upper_margin = 0x10, | |
269 | }, | |
270 | { | |
271 | .name = "pal", | |
272 | .timings_type = VPBE_ENC_STD, | |
89cdbba8 | 273 | .std_id = V4L2_STD_PAL, |
87756177 LP |
274 | .interlaced = 1, |
275 | .xres = 720, | |
276 | .yres = 576, | |
277 | .aspect = {54, 59}, | |
278 | .fps = {25, 1}, | |
279 | .left_margin = 0x7E, | |
280 | .upper_margin = 0x16 | |
281 | }, | |
282 | }; | |
283 | ||
284 | #define VENC_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) | |
285 | ||
286 | /* | |
287 | * The outputs available from VPBE + ecnoders. Keep the | |
288 | * the order same as that of encoders. First those from venc followed by that | |
289 | * from encoders. Index in the output refers to index on a particular encoder. | |
290 | * Driver uses this index to pass it to encoder when it supports more than | |
291 | * one output. Application uses index of the array to set an output. | |
292 | */ | |
293 | static struct vpbe_output dm355evm_vpbe_outputs[] = { | |
294 | { | |
295 | .output = { | |
296 | .index = 0, | |
297 | .name = "Composite", | |
298 | .type = V4L2_OUTPUT_TYPE_ANALOG, | |
299 | .std = VENC_STD_ALL, | |
300 | .capabilities = V4L2_OUT_CAP_STD, | |
301 | }, | |
302 | .subdev_name = DM355_VPBE_VENC_SUBDEV_NAME, | |
303 | .default_mode = "ntsc", | |
304 | .num_modes = ARRAY_SIZE(dm355evm_enc_preset_timing), | |
305 | .modes = dm355evm_enc_preset_timing, | |
27ffaeb0 | 306 | .if_params = MEDIA_BUS_FMT_FIXED, |
87756177 LP |
307 | }, |
308 | }; | |
309 | ||
310 | static struct vpbe_config dm355evm_display_cfg = { | |
311 | .module_name = "dm355-vpbe-display", | |
312 | .i2c_adapter_id = 1, | |
313 | .osd = { | |
314 | .module_name = DM355_VPBE_OSD_SUBDEV_NAME, | |
315 | }, | |
316 | .venc = { | |
317 | .module_name = DM355_VPBE_VENC_SUBDEV_NAME, | |
318 | }, | |
319 | .num_outputs = ARRAY_SIZE(dm355evm_vpbe_outputs), | |
320 | .outputs = dm355evm_vpbe_outputs, | |
321 | }; | |
322 | ||
95a3477f KH |
323 | static struct platform_device *davinci_evm_devices[] __initdata = { |
324 | &dm355evm_dm9000, | |
325 | &davinci_nand_device, | |
326 | }; | |
327 | ||
95a3477f KH |
328 | static void __init dm355_evm_map_io(void) |
329 | { | |
95a3477f KH |
330 | dm355_init(); |
331 | } | |
332 | ||
2dbf56ae KH |
333 | static int dm355evm_mmc_get_cd(int module) |
334 | { | |
335 | if (!gpio_is_valid(dm355evm_mmc_gpios)) | |
336 | return -ENXIO; | |
337 | /* low == card present */ | |
338 | return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1); | |
339 | } | |
340 | ||
341 | static int dm355evm_mmc_get_ro(int module) | |
342 | { | |
343 | if (!gpio_is_valid(dm355evm_mmc_gpios)) | |
344 | return -ENXIO; | |
345 | /* high == card's write protect switch active */ | |
346 | return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0); | |
347 | } | |
348 | ||
349 | static struct davinci_mmc_config dm355evm_mmc_config = { | |
350 | .get_cd = dm355evm_mmc_get_cd, | |
351 | .get_ro = dm355evm_mmc_get_ro, | |
352 | .wires = 4, | |
353 | .max_freq = 50000000, | |
354 | .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, | |
2dbf56ae KH |
355 | }; |
356 | ||
95a3477f KH |
357 | /* Don't connect anything to J10 unless you're only using USB host |
358 | * mode *and* have to do so with some kind of gender-bender. If | |
359 | * you have proper Mini-B or Mini-A cables (or Mini-A adapters) | |
360 | * the ID pin won't need any help. | |
361 | */ | |
95a3477f | 362 | #define USB_ID_VALUE 1 /* ID pulled low */ |
95a3477f KH |
363 | |
364 | static struct spi_eeprom at25640a = { | |
365 | .byte_len = SZ_64K / 8, | |
366 | .name = "at25640a", | |
367 | .page_size = 32, | |
368 | .flags = EE_ADDR2, | |
369 | }; | |
370 | ||
eec51afc | 371 | static const struct spi_board_info dm355_evm_spi_info[] __initconst = { |
95a3477f KH |
372 | { |
373 | .modalias = "at25", | |
374 | .platform_data = &at25640a, | |
375 | .max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */ | |
376 | .bus_num = 0, | |
377 | .chip_select = 0, | |
378 | .mode = SPI_MODE_0, | |
379 | }, | |
380 | }; | |
381 | ||
382 | static __init void dm355_evm_init(void) | |
383 | { | |
384 | struct clk *aemif; | |
834acb2a PA |
385 | int ret; |
386 | ||
387 | ret = dm355_gpio_register(); | |
388 | if (ret) | |
389 | pr_warn("%s: GPIO init failed: %d\n", __func__, ret); | |
95a3477f KH |
390 | |
391 | gpio_request(1, "dm9000"); | |
392 | gpio_direction_input(1); | |
393 | dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1); | |
394 | ||
395 | aemif = clk_get(&dm355evm_dm9000.dev, "aemif"); | |
5bcd9272 | 396 | if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n")) |
b6f1ffed | 397 | clk_prepare_enable(aemif); |
95a3477f KH |
398 | |
399 | platform_add_devices(davinci_evm_devices, | |
400 | ARRAY_SIZE(davinci_evm_devices)); | |
401 | evm_init_i2c(); | |
fcf7157b | 402 | davinci_serial_init(dm355_serial_device); |
95a3477f KH |
403 | |
404 | /* NOTE: NAND flash timings set by the UBL are slower than | |
405 | * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204 | |
406 | * but could be 0x0400008c for about 25% faster page reads. | |
407 | */ | |
408 | ||
409 | gpio_request(2, "usb_id_toggle"); | |
410 | gpio_direction_output(2, USB_ID_VALUE); | |
411 | /* irlml6401 switches over 1A in under 8 msec */ | |
355fb4e3 | 412 | davinci_setup_usb(1000, 8); |
95a3477f | 413 | |
2dbf56ae KH |
414 | davinci_setup_mmc(0, &dm355evm_mmc_config); |
415 | davinci_setup_mmc(1, &dm355evm_mmc_config); | |
416 | ||
87756177 | 417 | dm355_init_video(&vpfe_cfg, &dm355evm_display_cfg); |
62a2d6cd | 418 | |
95a3477f KH |
419 | dm355_init_spi0(BIT(0), dm355_evm_spi_info, |
420 | ARRAY_SIZE(dm355_evm_spi_info)); | |
25acf553 C |
421 | |
422 | /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */ | |
6bce5efd | 423 | dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN); |
95a3477f KH |
424 | } |
425 | ||
95a3477f | 426 | MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM") |
e7e56014 | 427 | .atag_offset = 0x100, |
95a3477f | 428 | .map_io = dm355_evm_map_io, |
bd808947 | 429 | .init_irq = davinci_irq_init, |
6bb27d73 | 430 | .init_time = davinci_timer_init, |
95a3477f | 431 | .init_machine = dm355_evm_init, |
3aa3e840 | 432 | .init_late = davinci_init_late, |
f68deabf | 433 | .dma_zone_size = SZ_128M, |
c6121ddd | 434 | .restart = davinci_restart, |
95a3477f | 435 | MACHINE_END |