Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[sfrench/cifs-2.6.git] / arch / arm / mach-davinci / board-dm355-evm.c
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>
12 #include <linux/init.h>
13 #include <linux/err.h>
14 #include <linux/platform_device.h>
15 #include <linux/mtd/mtd.h>
16 #include <linux/mtd/partitions.h>
17 #include <linux/mtd/rawnand.h>
18 #include <linux/i2c.h>
19 #include <linux/gpio.h>
20 #include <linux/gpio/machine.h>
21 #include <linux/clk.h>
22 #include <linux/dm9000.h>
23 #include <linux/videodev2.h>
24 #include <media/i2c/tvp514x.h>
25 #include <linux/spi/spi.h>
26 #include <linux/spi/eeprom.h>
27 #include <linux/platform_data/gpio-davinci.h>
28 #include <linux/platform_data/i2c-davinci.h>
29 #include <linux/platform_data/mtd-davinci.h>
30 #include <linux/platform_data/mmc-davinci.h>
31 #include <linux/platform_data/usb-davinci.h>
32
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35
36 #include <mach/serial.h>
37 #include <mach/common.h>
38
39 #include "davinci.h"
40
41 /* NOTE:  this is geared for the standard config, with a socketed
42  * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors.  If you
43  * swap chips, maybe with a different block size, partitioning may
44  * need to be changed.
45  */
46 #define NAND_BLOCK_SIZE         SZ_128K
47
48 static struct mtd_partition davinci_nand_partitions[] = {
49         {
50                 /* UBL (a few copies) plus U-Boot */
51                 .name           = "bootloader",
52                 .offset         = 0,
53                 .size           = 15 * NAND_BLOCK_SIZE,
54                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
55         }, {
56                 /* U-Boot environment */
57                 .name           = "params",
58                 .offset         = MTDPART_OFS_APPEND,
59                 .size           = 1 * NAND_BLOCK_SIZE,
60                 .mask_flags     = 0,
61         }, {
62                 .name           = "kernel",
63                 .offset         = MTDPART_OFS_APPEND,
64                 .size           = SZ_4M,
65                 .mask_flags     = 0,
66         }, {
67                 .name           = "filesystem1",
68                 .offset         = MTDPART_OFS_APPEND,
69                 .size           = SZ_512M,
70                 .mask_flags     = 0,
71         }, {
72                 .name           = "filesystem2",
73                 .offset         = MTDPART_OFS_APPEND,
74                 .size           = MTDPART_SIZ_FULL,
75                 .mask_flags     = 0,
76         }
77         /* two blocks with bad block table (and mirror) at the end */
78 };
79
80 static struct davinci_nand_pdata davinci_nand_data = {
81         .core_chipsel           = 0,
82         .mask_chipsel           = BIT(14),
83         .parts                  = davinci_nand_partitions,
84         .nr_parts               = ARRAY_SIZE(davinci_nand_partitions),
85         .ecc_mode               = NAND_ECC_HW,
86         .bbt_options            = NAND_BBT_USE_FLASH,
87         .ecc_bits               = 4,
88 };
89
90 static struct resource davinci_nand_resources[] = {
91         {
92                 .start          = DM355_ASYNC_EMIF_DATA_CE0_BASE,
93                 .end            = DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
94                 .flags          = IORESOURCE_MEM,
95         }, {
96                 .start          = DM355_ASYNC_EMIF_CONTROL_BASE,
97                 .end            = DM355_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
98                 .flags          = IORESOURCE_MEM,
99         },
100 };
101
102 static struct platform_device davinci_nand_device = {
103         .name                   = "davinci_nand",
104         .id                     = 0,
105
106         .num_resources          = ARRAY_SIZE(davinci_nand_resources),
107         .resource               = davinci_nand_resources,
108
109         .dev                    = {
110                 .platform_data  = &davinci_nand_data,
111         },
112 };
113
114 #define DM355_I2C_SDA_PIN       GPIO_TO_PIN(0, 15)
115 #define DM355_I2C_SCL_PIN       GPIO_TO_PIN(0, 14)
116
117 static struct gpiod_lookup_table i2c_recovery_gpiod_table = {
118         .dev_id = "i2c_davinci.1",
119         .table = {
120                 GPIO_LOOKUP("davinci_gpio", DM355_I2C_SDA_PIN, "sda",
121                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
122                 GPIO_LOOKUP("davinci_gpio", DM355_I2C_SCL_PIN, "scl",
123                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
124                 { }
125         },
126 };
127
128 static struct davinci_i2c_platform_data i2c_pdata = {
129         .bus_freq       = 400   /* kHz */,
130         .bus_delay      = 0     /* usec */,
131         .gpio_recovery  = true,
132 };
133
134 static int dm355evm_mmc_gpios = -EINVAL;
135
136 static void dm355evm_mmcsd_gpios(unsigned gpio)
137 {
138         gpio_request(gpio + 0, "mmc0_ro");
139         gpio_request(gpio + 1, "mmc0_cd");
140         gpio_request(gpio + 2, "mmc1_ro");
141         gpio_request(gpio + 3, "mmc1_cd");
142
143         /* we "know" these are input-only so we don't
144          * need to call gpio_direction_input()
145          */
146
147         dm355evm_mmc_gpios = gpio;
148 }
149
150 static struct i2c_board_info dm355evm_i2c_info[] = {
151         {       I2C_BOARD_INFO("dm355evm_msp", 0x25),
152                 .platform_data = dm355evm_mmcsd_gpios,
153         },
154         /* { plus irq  }, */
155         { I2C_BOARD_INFO("tlv320aic33", 0x1b), },
156 };
157
158 static void __init evm_init_i2c(void)
159 {
160         gpiod_add_lookup_table(&i2c_recovery_gpiod_table);
161         davinci_init_i2c(&i2c_pdata);
162
163         gpio_request(5, "dm355evm_msp");
164         gpio_direction_input(5);
165         dm355evm_i2c_info[0].irq = gpio_to_irq(5);
166
167         i2c_register_board_info(1, dm355evm_i2c_info,
168                         ARRAY_SIZE(dm355evm_i2c_info));
169 }
170
171 static struct resource dm355evm_dm9000_rsrc[] = {
172         {
173                 /* addr */
174                 .start  = 0x04014000,
175                 .end    = 0x04014001,
176                 .flags  = IORESOURCE_MEM,
177         }, {
178                 /* data */
179                 .start  = 0x04014002,
180                 .end    = 0x04014003,
181                 .flags  = IORESOURCE_MEM,
182         }, {
183                 .flags  = IORESOURCE_IRQ
184                         | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
185         },
186 };
187
188 static struct dm9000_plat_data dm335evm_dm9000_platdata;
189
190 static struct platform_device dm355evm_dm9000 = {
191         .name           = "dm9000",
192         .id             = -1,
193         .resource       = dm355evm_dm9000_rsrc,
194         .num_resources  = ARRAY_SIZE(dm355evm_dm9000_rsrc),
195         .dev            = {
196                 .platform_data = &dm335evm_dm9000_platdata,
197         },
198 };
199
200 static struct tvp514x_platform_data tvp5146_pdata = {
201         .clk_polarity = 0,
202         .hs_polarity = 1,
203         .vs_polarity = 1
204 };
205
206 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
207 /* Inputs available at the TVP5146 */
208 static struct v4l2_input tvp5146_inputs[] = {
209         {
210                 .index = 0,
211                 .name = "Composite",
212                 .type = V4L2_INPUT_TYPE_CAMERA,
213                 .std = TVP514X_STD_ALL,
214         },
215         {
216                 .index = 1,
217                 .name = "S-Video",
218                 .type = V4L2_INPUT_TYPE_CAMERA,
219                 .std = TVP514X_STD_ALL,
220         },
221 };
222
223 /*
224  * this is the route info for connecting each input to decoder
225  * ouput that goes to vpfe. There is a one to one correspondence
226  * with tvp5146_inputs
227  */
228 static struct vpfe_route tvp5146_routes[] = {
229         {
230                 .input = INPUT_CVBS_VI2B,
231                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
232         },
233         {
234                 .input = INPUT_SVIDEO_VI2C_VI1C,
235                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
236         },
237 };
238
239 static struct vpfe_subdev_info vpfe_sub_devs[] = {
240         {
241                 .name = "tvp5146",
242                 .grp_id = 0,
243                 .num_inputs = ARRAY_SIZE(tvp5146_inputs),
244                 .inputs = tvp5146_inputs,
245                 .routes = tvp5146_routes,
246                 .can_route = 1,
247                 .ccdc_if_params = {
248                         .if_type = VPFE_BT656,
249                         .hdpol = VPFE_PINPOL_POSITIVE,
250                         .vdpol = VPFE_PINPOL_POSITIVE,
251                 },
252                 .board_info = {
253                         I2C_BOARD_INFO("tvp5146", 0x5d),
254                         .platform_data = &tvp5146_pdata,
255                 },
256         }
257 };
258
259 static struct vpfe_config vpfe_cfg = {
260         .num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
261         .i2c_adapter_id = 1,
262         .sub_devs = vpfe_sub_devs,
263         .card_name = "DM355 EVM",
264         .ccdc = "DM355 CCDC",
265 };
266
267 /* venc standards timings */
268 static struct vpbe_enc_mode_info dm355evm_enc_preset_timing[] = {
269         {
270                 .name           = "ntsc",
271                 .timings_type   = VPBE_ENC_STD,
272                 .std_id         = V4L2_STD_NTSC,
273                 .interlaced     = 1,
274                 .xres           = 720,
275                 .yres           = 480,
276                 .aspect         = {11, 10},
277                 .fps            = {30000, 1001},
278                 .left_margin    = 0x79,
279                 .upper_margin   = 0x10,
280         },
281         {
282                 .name           = "pal",
283                 .timings_type   = VPBE_ENC_STD,
284                 .std_id         = V4L2_STD_PAL,
285                 .interlaced     = 1,
286                 .xres           = 720,
287                 .yres           = 576,
288                 .aspect         = {54, 59},
289                 .fps            = {25, 1},
290                 .left_margin    = 0x7E,
291                 .upper_margin   = 0x16
292         },
293 };
294
295 #define VENC_STD_ALL    (V4L2_STD_NTSC | V4L2_STD_PAL)
296
297 /*
298  * The outputs available from VPBE + ecnoders. Keep the
299  * the order same as that of encoders. First those from venc followed by that
300  * from encoders. Index in the output refers to index on a particular encoder.
301  * Driver uses this index to pass it to encoder when it supports more than
302  * one output. Application uses index of the array to set an output.
303  */
304 static struct vpbe_output dm355evm_vpbe_outputs[] = {
305         {
306                 .output         = {
307                         .index          = 0,
308                         .name           = "Composite",
309                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
310                         .std            = VENC_STD_ALL,
311                         .capabilities   = V4L2_OUT_CAP_STD,
312                 },
313                 .subdev_name    = DM355_VPBE_VENC_SUBDEV_NAME,
314                 .default_mode   = "ntsc",
315                 .num_modes      = ARRAY_SIZE(dm355evm_enc_preset_timing),
316                 .modes          = dm355evm_enc_preset_timing,
317                 .if_params      = MEDIA_BUS_FMT_FIXED,
318         },
319 };
320
321 static struct vpbe_config dm355evm_display_cfg = {
322         .module_name    = "dm355-vpbe-display",
323         .i2c_adapter_id = 1,
324         .osd            = {
325                 .module_name    = DM355_VPBE_OSD_SUBDEV_NAME,
326         },
327         .venc           = {
328                 .module_name    = DM355_VPBE_VENC_SUBDEV_NAME,
329         },
330         .num_outputs    = ARRAY_SIZE(dm355evm_vpbe_outputs),
331         .outputs        = dm355evm_vpbe_outputs,
332 };
333
334 static struct platform_device *davinci_evm_devices[] __initdata = {
335         &dm355evm_dm9000,
336         &davinci_nand_device,
337 };
338
339 static void __init dm355_evm_map_io(void)
340 {
341         dm355_init();
342 }
343
344 static int dm355evm_mmc_get_cd(int module)
345 {
346         if (!gpio_is_valid(dm355evm_mmc_gpios))
347                 return -ENXIO;
348         /* low == card present */
349         return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
350 }
351
352 static int dm355evm_mmc_get_ro(int module)
353 {
354         if (!gpio_is_valid(dm355evm_mmc_gpios))
355                 return -ENXIO;
356         /* high == card's write protect switch active */
357         return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
358 }
359
360 static struct davinci_mmc_config dm355evm_mmc_config = {
361         .get_cd         = dm355evm_mmc_get_cd,
362         .get_ro         = dm355evm_mmc_get_ro,
363         .wires          = 4,
364         .max_freq       = 50000000,
365         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
366 };
367
368 /* Don't connect anything to J10 unless you're only using USB host
369  * mode *and* have to do so with some kind of gender-bender.  If
370  * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
371  * the ID pin won't need any help.
372  */
373 #define USB_ID_VALUE    1       /* ID pulled low */
374
375 static struct spi_eeprom at25640a = {
376         .byte_len       = SZ_64K / 8,
377         .name           = "at25640a",
378         .page_size      = 32,
379         .flags          = EE_ADDR2,
380 };
381
382 static const struct spi_board_info dm355_evm_spi_info[] __initconst = {
383         {
384                 .modalias       = "at25",
385                 .platform_data  = &at25640a,
386                 .max_speed_hz   = 10 * 1000 * 1000,     /* at 3v3 */
387                 .bus_num        = 0,
388                 .chip_select    = 0,
389                 .mode           = SPI_MODE_0,
390         },
391 };
392
393 static __init void dm355_evm_init(void)
394 {
395         struct clk *aemif;
396         int ret;
397
398         dm355_register_clocks();
399
400         ret = dm355_gpio_register();
401         if (ret)
402                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
403
404         gpio_request(1, "dm9000");
405         gpio_direction_input(1);
406         dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
407
408         aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
409         if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n"))
410                 clk_prepare_enable(aemif);
411
412         platform_add_devices(davinci_evm_devices,
413                              ARRAY_SIZE(davinci_evm_devices));
414         evm_init_i2c();
415         davinci_serial_init(dm355_serial_device);
416
417         /* NOTE:  NAND flash timings set by the UBL are slower than
418          * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
419          * but could be 0x0400008c for about 25% faster page reads.
420          */
421
422         gpio_request(2, "usb_id_toggle");
423         gpio_direction_output(2, USB_ID_VALUE);
424         /* irlml6401 switches over 1A in under 8 msec */
425         davinci_setup_usb(1000, 8);
426
427         davinci_setup_mmc(0, &dm355evm_mmc_config);
428         davinci_setup_mmc(1, &dm355evm_mmc_config);
429
430         dm355_init_video(&vpfe_cfg, &dm355evm_display_cfg);
431
432         dm355_init_spi0(BIT(0), dm355_evm_spi_info,
433                         ARRAY_SIZE(dm355_evm_spi_info));
434
435         /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
436         dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN);
437 }
438
439 MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
440         .atag_offset  = 0x100,
441         .map_io       = dm355_evm_map_io,
442         .init_irq     = dm355_init_irq,
443         .init_time      = dm355_init_time,
444         .init_machine = dm355_evm_init,
445         .init_late      = davinci_init_late,
446         .dma_zone_size  = SZ_128M,
447 MACHINE_END