GNU Linux-libre 4.19.264-gnu1
[releases.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.0", DM355_I2C_SDA_PIN, "sda",
121                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
122                 GPIO_LOOKUP("davinci_gpio.0", DM355_I2C_SCL_PIN, "scl",
123                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
124         },
125 };
126
127 static struct davinci_i2c_platform_data i2c_pdata = {
128         .bus_freq       = 400   /* kHz */,
129         .bus_delay      = 0     /* usec */,
130         .gpio_recovery  = true,
131 };
132
133 static int dm355evm_mmc_gpios = -EINVAL;
134
135 static void dm355evm_mmcsd_gpios(unsigned gpio)
136 {
137         gpio_request(gpio + 0, "mmc0_ro");
138         gpio_request(gpio + 1, "mmc0_cd");
139         gpio_request(gpio + 2, "mmc1_ro");
140         gpio_request(gpio + 3, "mmc1_cd");
141
142         /* we "know" these are input-only so we don't
143          * need to call gpio_direction_input()
144          */
145
146         dm355evm_mmc_gpios = gpio;
147 }
148
149 static struct i2c_board_info dm355evm_i2c_info[] = {
150         {       I2C_BOARD_INFO("dm355evm_msp", 0x25),
151                 .platform_data = dm355evm_mmcsd_gpios,
152         },
153         /* { plus irq  }, */
154         { I2C_BOARD_INFO("tlv320aic33", 0x1b), },
155 };
156
157 static void __init evm_init_i2c(void)
158 {
159         gpiod_add_lookup_table(&i2c_recovery_gpiod_table);
160         davinci_init_i2c(&i2c_pdata);
161
162         gpio_request(5, "dm355evm_msp");
163         gpio_direction_input(5);
164         dm355evm_i2c_info[0].irq = gpio_to_irq(5);
165
166         i2c_register_board_info(1, dm355evm_i2c_info,
167                         ARRAY_SIZE(dm355evm_i2c_info));
168 }
169
170 static struct resource dm355evm_dm9000_rsrc[] = {
171         {
172                 /* addr */
173                 .start  = 0x04014000,
174                 .end    = 0x04014001,
175                 .flags  = IORESOURCE_MEM,
176         }, {
177                 /* data */
178                 .start  = 0x04014002,
179                 .end    = 0x04014003,
180                 .flags  = IORESOURCE_MEM,
181         }, {
182                 .flags  = IORESOURCE_IRQ
183                         | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
184         },
185 };
186
187 static struct dm9000_plat_data dm335evm_dm9000_platdata;
188
189 static struct platform_device dm355evm_dm9000 = {
190         .name           = "dm9000",
191         .id             = -1,
192         .resource       = dm355evm_dm9000_rsrc,
193         .num_resources  = ARRAY_SIZE(dm355evm_dm9000_rsrc),
194         .dev            = {
195                 .platform_data = &dm335evm_dm9000_platdata,
196         },
197 };
198
199 static struct tvp514x_platform_data tvp5146_pdata = {
200         .clk_polarity = 0,
201         .hs_polarity = 1,
202         .vs_polarity = 1
203 };
204
205 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
206 /* Inputs available at the TVP5146 */
207 static struct v4l2_input tvp5146_inputs[] = {
208         {
209                 .index = 0,
210                 .name = "Composite",
211                 .type = V4L2_INPUT_TYPE_CAMERA,
212                 .std = TVP514X_STD_ALL,
213         },
214         {
215                 .index = 1,
216                 .name = "S-Video",
217                 .type = V4L2_INPUT_TYPE_CAMERA,
218                 .std = TVP514X_STD_ALL,
219         },
220 };
221
222 /*
223  * this is the route info for connecting each input to decoder
224  * ouput that goes to vpfe. There is a one to one correspondence
225  * with tvp5146_inputs
226  */
227 static struct vpfe_route tvp5146_routes[] = {
228         {
229                 .input = INPUT_CVBS_VI2B,
230                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
231         },
232         {
233                 .input = INPUT_SVIDEO_VI2C_VI1C,
234                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
235         },
236 };
237
238 static struct vpfe_subdev_info vpfe_sub_devs[] = {
239         {
240                 .name = "tvp5146",
241                 .grp_id = 0,
242                 .num_inputs = ARRAY_SIZE(tvp5146_inputs),
243                 .inputs = tvp5146_inputs,
244                 .routes = tvp5146_routes,
245                 .can_route = 1,
246                 .ccdc_if_params = {
247                         .if_type = VPFE_BT656,
248                         .hdpol = VPFE_PINPOL_POSITIVE,
249                         .vdpol = VPFE_PINPOL_POSITIVE,
250                 },
251                 .board_info = {
252                         I2C_BOARD_INFO("tvp5146", 0x5d),
253                         .platform_data = &tvp5146_pdata,
254                 },
255         }
256 };
257
258 static struct vpfe_config vpfe_cfg = {
259         .num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
260         .i2c_adapter_id = 1,
261         .sub_devs = vpfe_sub_devs,
262         .card_name = "DM355 EVM",
263         .ccdc = "DM355 CCDC",
264 };
265
266 /* venc standards timings */
267 static struct vpbe_enc_mode_info dm355evm_enc_preset_timing[] = {
268         {
269                 .name           = "ntsc",
270                 .timings_type   = VPBE_ENC_STD,
271                 .std_id         = V4L2_STD_NTSC,
272                 .interlaced     = 1,
273                 .xres           = 720,
274                 .yres           = 480,
275                 .aspect         = {11, 10},
276                 .fps            = {30000, 1001},
277                 .left_margin    = 0x79,
278                 .upper_margin   = 0x10,
279         },
280         {
281                 .name           = "pal",
282                 .timings_type   = VPBE_ENC_STD,
283                 .std_id         = V4L2_STD_PAL,
284                 .interlaced     = 1,
285                 .xres           = 720,
286                 .yres           = 576,
287                 .aspect         = {54, 59},
288                 .fps            = {25, 1},
289                 .left_margin    = 0x7E,
290                 .upper_margin   = 0x16
291         },
292 };
293
294 #define VENC_STD_ALL    (V4L2_STD_NTSC | V4L2_STD_PAL)
295
296 /*
297  * The outputs available from VPBE + ecnoders. Keep the
298  * the order same as that of encoders. First those from venc followed by that
299  * from encoders. Index in the output refers to index on a particular encoder.
300  * Driver uses this index to pass it to encoder when it supports more than
301  * one output. Application uses index of the array to set an output.
302  */
303 static struct vpbe_output dm355evm_vpbe_outputs[] = {
304         {
305                 .output         = {
306                         .index          = 0,
307                         .name           = "Composite",
308                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
309                         .std            = VENC_STD_ALL,
310                         .capabilities   = V4L2_OUT_CAP_STD,
311                 },
312                 .subdev_name    = DM355_VPBE_VENC_SUBDEV_NAME,
313                 .default_mode   = "ntsc",
314                 .num_modes      = ARRAY_SIZE(dm355evm_enc_preset_timing),
315                 .modes          = dm355evm_enc_preset_timing,
316                 .if_params      = MEDIA_BUS_FMT_FIXED,
317         },
318 };
319
320 static struct vpbe_config dm355evm_display_cfg = {
321         .module_name    = "dm355-vpbe-display",
322         .i2c_adapter_id = 1,
323         .osd            = {
324                 .module_name    = DM355_VPBE_OSD_SUBDEV_NAME,
325         },
326         .venc           = {
327                 .module_name    = DM355_VPBE_VENC_SUBDEV_NAME,
328         },
329         .num_outputs    = ARRAY_SIZE(dm355evm_vpbe_outputs),
330         .outputs        = dm355evm_vpbe_outputs,
331 };
332
333 static struct platform_device *davinci_evm_devices[] __initdata = {
334         &dm355evm_dm9000,
335         &davinci_nand_device,
336 };
337
338 static void __init dm355_evm_map_io(void)
339 {
340         dm355_init();
341 }
342
343 static int dm355evm_mmc_get_cd(int module)
344 {
345         if (!gpio_is_valid(dm355evm_mmc_gpios))
346                 return -ENXIO;
347         /* low == card present */
348         return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
349 }
350
351 static int dm355evm_mmc_get_ro(int module)
352 {
353         if (!gpio_is_valid(dm355evm_mmc_gpios))
354                 return -ENXIO;
355         /* high == card's write protect switch active */
356         return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
357 }
358
359 static struct davinci_mmc_config dm355evm_mmc_config = {
360         .get_cd         = dm355evm_mmc_get_cd,
361         .get_ro         = dm355evm_mmc_get_ro,
362         .wires          = 4,
363         .max_freq       = 50000000,
364         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
365 };
366
367 /* Don't connect anything to J10 unless you're only using USB host
368  * mode *and* have to do so with some kind of gender-bender.  If
369  * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
370  * the ID pin won't need any help.
371  */
372 #define USB_ID_VALUE    1       /* ID pulled low */
373
374 static struct spi_eeprom at25640a = {
375         .byte_len       = SZ_64K / 8,
376         .name           = "at25640a",
377         .page_size      = 32,
378         .flags          = EE_ADDR2,
379 };
380
381 static const struct spi_board_info dm355_evm_spi_info[] __initconst = {
382         {
383                 .modalias       = "at25",
384                 .platform_data  = &at25640a,
385                 .max_speed_hz   = 10 * 1000 * 1000,     /* at 3v3 */
386                 .bus_num        = 0,
387                 .chip_select    = 0,
388                 .mode           = SPI_MODE_0,
389         },
390 };
391
392 static __init void dm355_evm_init(void)
393 {
394         struct clk *aemif;
395         int ret;
396
397         dm355_register_clocks();
398
399         ret = dm355_gpio_register();
400         if (ret)
401                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
402
403         gpio_request(1, "dm9000");
404         gpio_direction_input(1);
405         dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
406
407         aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
408         if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n"))
409                 clk_prepare_enable(aemif);
410
411         platform_add_devices(davinci_evm_devices,
412                              ARRAY_SIZE(davinci_evm_devices));
413         evm_init_i2c();
414         davinci_serial_init(dm355_serial_device);
415
416         /* NOTE:  NAND flash timings set by the UBL are slower than
417          * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
418          * but could be 0x0400008c for about 25% faster page reads.
419          */
420
421         gpio_request(2, "usb_id_toggle");
422         gpio_direction_output(2, USB_ID_VALUE);
423         /* irlml6401 switches over 1A in under 8 msec */
424         davinci_setup_usb(1000, 8);
425
426         davinci_setup_mmc(0, &dm355evm_mmc_config);
427         davinci_setup_mmc(1, &dm355evm_mmc_config);
428
429         dm355_init_video(&vpfe_cfg, &dm355evm_display_cfg);
430
431         dm355_init_spi0(BIT(0), dm355_evm_spi_info,
432                         ARRAY_SIZE(dm355_evm_spi_info));
433
434         /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
435         dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN);
436 }
437
438 MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
439         .atag_offset  = 0x100,
440         .map_io       = dm355_evm_map_io,
441         .init_irq     = davinci_irq_init,
442         .init_time      = dm355_init_time,
443         .init_machine = dm355_evm_init,
444         .init_late      = davinci_init_late,
445         .dma_zone_size  = SZ_128M,
446 MACHINE_END