blob: 2d37f5b0e1f5ce1ab8e85e0ad19bd25846154cab [file] [log] [blame]
Kevin Hilmane38d92f2009-04-29 17:44:58 -07001/*
2 * TI DaVinci DM646X EVM board
3 *
4 * Derived from: arch/arm/mach-davinci/board-evm.c
5 * Copyright (C) 2006 Texas Instruments.
6 *
7 * (C) 2007-2008, MontaVista Software, Inc.
8 *
9 * This file is licensed under the terms of the GNU General Public License
10 * version 2. This program is licensed "as is" without any warranty of any
11 * kind, whether express or implied.
12 *
13 */
14
15/**************************************************************************
16 * Included Files
17 **************************************************************************/
18
19#include <linux/kernel.h>
Kevin Hilmane38d92f2009-04-29 17:44:58 -070020#include <linux/init.h>
Kevin Hilmane38d92f2009-04-29 17:44:58 -070021#include <linux/leds.h>
22#include <linux/gpio.h>
Kevin Hilmane38d92f2009-04-29 17:44:58 -070023#include <linux/platform_device.h>
24#include <linux/i2c.h>
Vivien Didelot25f73ed2013-09-27 15:06:28 -040025#include <linux/platform_data/at24.h>
Wolfram Sangb6480fa2017-05-21 23:57:26 +020026#include <linux/platform_data/pcf857x.h>
Kevin Hilmane38d92f2009-04-29 17:44:58 -070027
Mauro Carvalho Chehabb5dcee22015-11-10 12:01:44 -020028#include <media/i2c/tvp514x.h>
29#include <media/i2c/adv7343.h>
Muralidharan Karicheri85609c12009-09-16 13:15:30 -040030
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +053031#include <linux/mtd/mtd.h>
Boris Brezillond4092d72017-08-04 17:29:10 +020032#include <linux/mtd/rawnand.h>
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +053033#include <linux/mtd/partitions.h>
Sekhar Noric1978e12009-11-24 18:25:15 +053034#include <linux/clk.h>
Paul Gortmakerdc280942011-07-31 16:17:29 -040035#include <linux/export.h>
Philip Avinash834acb22013-08-18 10:49:02 +053036#include <linux/platform_data/gpio-davinci.h>
37#include <linux/platform_data/i2c-davinci.h>
38#include <linux/platform_data/mtd-davinci.h>
39#include <linux/platform_data/mtd-davinci-aemif.h>
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +053040
Kevin Hilmane38d92f2009-04-29 17:44:58 -070041#include <asm/mach-types.h>
42#include <asm/mach/arch.h>
Kevin Hilmane38d92f2009-04-29 17:44:58 -070043
Kevin Hilmane38d92f2009-04-29 17:44:58 -070044#include <mach/common.h>
Philip Avinash834acb22013-08-18 10:49:02 +053045#include <mach/irqs.h>
Kevin Hilmane38d92f2009-04-29 17:44:58 -070046#include <mach/serial.h>
Kevin Hilmanac7b75b2009-05-07 06:19:40 -070047
Manjunath Hadli39c6d2d2011-12-21 19:13:35 +053048#include "davinci.h"
Sekhar Noric1978e12009-11-24 18:25:15 +053049
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +053050#define NAND_BLOCK_SIZE SZ_128K
51
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +053052/* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
53 * and U-Boot environment this avoids dependency on any particular combination
54 * of UBL, U-Boot or flashing tools etc.
55 */
56static struct mtd_partition davinci_nand_partitions[] = {
57 {
58 /* UBL, U-Boot with environment */
59 .name = "bootloader",
60 .offset = MTDPART_OFS_APPEND,
61 .size = 16 * NAND_BLOCK_SIZE,
62 .mask_flags = MTD_WRITEABLE, /* force read-only */
63 }, {
64 .name = "kernel",
65 .offset = MTDPART_OFS_APPEND,
66 .size = SZ_4M,
67 .mask_flags = 0,
68 }, {
69 .name = "filesystem",
70 .offset = MTDPART_OFS_APPEND,
71 .size = MTDPART_SIZ_FULL,
72 .mask_flags = 0,
73 }
74};
75
Sekhar Nori0b3fc7b2010-08-09 15:46:40 +053076static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
77 .wsetup = 29,
78 .wstrobe = 24,
79 .whold = 14,
80 .rsetup = 19,
81 .rstrobe = 33,
82 .rhold = 0,
83 .ta = 29,
84};
85
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +053086static struct davinci_nand_pdata davinci_nand_data = {
87 .mask_cle = 0x80000,
88 .mask_ale = 0x40000,
89 .parts = davinci_nand_partitions,
90 .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
91 .ecc_mode = NAND_ECC_HW,
Sekhar Noriacd36352013-08-16 14:43:48 +053092 .ecc_bits = 1,
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +053093 .options = 0,
94};
95
96static struct resource davinci_nand_resources[] = {
97 {
Sergei Shtylyov70342172010-04-16 21:29:11 +040098 .start = DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
99 .end = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +0530100 .flags = IORESOURCE_MEM,
101 }, {
Sergei Shtylyov70342172010-04-16 21:29:11 +0400102 .start = DM646X_ASYNC_EMIF_CONTROL_BASE,
103 .end = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +0530104 .flags = IORESOURCE_MEM,
105 },
106};
107
108static struct platform_device davinci_nand_device = {
109 .name = "davinci_nand",
110 .id = 0,
111
112 .num_resources = ARRAY_SIZE(davinci_nand_resources),
113 .resource = davinci_nand_resources,
114
115 .dev = {
116 .platform_data = &davinci_nand_data,
117 },
118};
119
Sekhar Nori28d4d1d2017-03-22 19:21:01 +0100120#define HAS_ATA (IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
121 IS_ENABLED(CONFIG_PATA_BK3710))
Sekhar Norib73b5262009-11-24 18:25:14 +0530122
Arnd Bergmann8e580412016-02-01 21:35:58 +0100123#ifdef CONFIG_I2C
Sekhar Norib73b5262009-11-24 18:25:14 +0530124/* CPLD Register 0 bits to control ATA */
125#define DM646X_EVM_ATA_RST BIT(0)
126#define DM646X_EVM_ATA_PWD BIT(1)
127
Hemant Pedanekar548197b2009-07-17 23:30:36 +0530128/* CPLD Register 0 Client: used for I/O Control */
129static int cpld_reg0_probe(struct i2c_client *client,
130 const struct i2c_device_id *id)
131{
132 if (HAS_ATA) {
133 u8 data;
134 struct i2c_msg msg[2] = {
135 {
136 .addr = client->addr,
137 .flags = I2C_M_RD,
138 .len = 1,
139 .buf = &data,
140 },
141 {
142 .addr = client->addr,
143 .flags = 0,
144 .len = 1,
145 .buf = &data,
146 },
147 };
148
149 /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
150 i2c_transfer(client->adapter, msg, 1);
151 data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
152 i2c_transfer(client->adapter, msg + 1, 1);
153 }
154
155 return 0;
156}
157
158static const struct i2c_device_id cpld_reg_ids[] = {
159 { "cpld_reg0", 0, },
160 { },
161};
162
163static struct i2c_driver dm6467evm_cpld_driver = {
164 .driver.name = "cpld_reg0",
165 .id_table = cpld_reg_ids,
166 .probe = cpld_reg0_probe,
167};
168
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700169/* LEDS */
170
171static struct gpio_led evm_leds[] = {
172 { .name = "DS1", .active_low = 1, },
173 { .name = "DS2", .active_low = 1, },
174 { .name = "DS3", .active_low = 1, },
175 { .name = "DS4", .active_low = 1, },
176};
177
Sekhar Nori445094f2009-11-04 17:08:42 +0530178static const struct gpio_led_platform_data evm_led_data = {
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700179 .num_leds = ARRAY_SIZE(evm_leds),
180 .leds = evm_leds,
181};
182
183static struct platform_device *evm_led_dev;
184
185static int evm_led_setup(struct i2c_client *client, int gpio,
186 unsigned int ngpio, void *c)
187{
188 struct gpio_led *leds = evm_leds;
189 int status;
190
191 while (ngpio--) {
192 leds->gpio = gpio++;
193 leds++;
Peter Senna Tschudinbaad1b32012-09-18 18:59:59 +0200194 }
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700195
196 evm_led_dev = platform_device_alloc("leds-gpio", 0);
197 platform_device_add_data(evm_led_dev, &evm_led_data,
198 sizeof(evm_led_data));
199
200 evm_led_dev->dev.parent = &client->dev;
201 status = platform_device_add(evm_led_dev);
202 if (status < 0) {
203 platform_device_put(evm_led_dev);
204 evm_led_dev = NULL;
205 }
206 return status;
207}
208
209static int evm_led_teardown(struct i2c_client *client, int gpio,
210 unsigned ngpio, void *c)
211{
212 if (evm_led_dev) {
213 platform_device_unregister(evm_led_dev);
214 evm_led_dev = NULL;
215 }
216 return 0;
217}
218
219static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
220
221static int evm_sw_setup(struct i2c_client *client, int gpio,
222 unsigned ngpio, void *c)
223{
224 int status;
225 int i;
226 char label[10];
227
228 for (i = 0; i < 4; ++i) {
229 snprintf(label, 10, "user_sw%d", i);
230 status = gpio_request(gpio, label);
231 if (status)
232 goto out_free;
233 evm_sw_gpio[i] = gpio++;
234
235 status = gpio_direction_input(evm_sw_gpio[i]);
236 if (status) {
237 gpio_free(evm_sw_gpio[i]);
238 evm_sw_gpio[i] = -EINVAL;
239 goto out_free;
240 }
241
242 status = gpio_export(evm_sw_gpio[i], 0);
243 if (status) {
244 gpio_free(evm_sw_gpio[i]);
245 evm_sw_gpio[i] = -EINVAL;
246 goto out_free;
247 }
248 }
249 return status;
250out_free:
251 for (i = 0; i < 4; ++i) {
252 if (evm_sw_gpio[i] != -EINVAL) {
253 gpio_free(evm_sw_gpio[i]);
254 evm_sw_gpio[i] = -EINVAL;
255 }
256 }
257 return status;
258}
259
260static int evm_sw_teardown(struct i2c_client *client, int gpio,
261 unsigned ngpio, void *c)
262{
263 int i;
264
265 for (i = 0; i < 4; ++i) {
266 if (evm_sw_gpio[i] != -EINVAL) {
267 gpio_unexport(evm_sw_gpio[i]);
268 gpio_free(evm_sw_gpio[i]);
269 evm_sw_gpio[i] = -EINVAL;
270 }
271 }
272 return 0;
273}
274
275static int evm_pcf_setup(struct i2c_client *client, int gpio,
276 unsigned int ngpio, void *c)
277{
278 int status;
279
280 if (ngpio < 8)
281 return -EINVAL;
282
283 status = evm_sw_setup(client, gpio, 4, c);
284 if (status)
285 return status;
286
287 return evm_led_setup(client, gpio+4, 4, c);
288}
289
290static int evm_pcf_teardown(struct i2c_client *client, int gpio,
291 unsigned int ngpio, void *c)
292{
293 BUG_ON(ngpio < 8);
294
295 evm_sw_teardown(client, gpio, 4, c);
296 evm_led_teardown(client, gpio+4, 4, c);
297
298 return 0;
299}
300
301static struct pcf857x_platform_data pcf_data = {
302 .gpio_base = DAVINCI_N_GPIO+1,
303 .setup = evm_pcf_setup,
304 .teardown = evm_pcf_teardown,
305};
306
307/* Most of this EEPROM is unused, but U-Boot uses some data:
308 * - 0x7f00, 6 bytes Ethernet Address
309 * - ... newer boards may have more
310 */
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700311
312static struct at24_platform_data eeprom_info = {
313 .byte_len = (256*1024) / 8,
314 .page_size = 64,
315 .flags = AT24_FLAG_ADDR16,
Mark A. Greerb14dc0f2009-04-15 12:41:27 -0700316 .setup = davinci_get_mac_addr,
317 .context = (void *)0x7f00,
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700318};
Arnd Bergmann8e580412016-02-01 21:35:58 +0100319#endif
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700320
Chaithrika U S25acf552009-06-05 06:28:08 -0400321static u8 dm646x_iis_serializer_direction[] = {
322 TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
323};
324
325static u8 dm646x_dit_serializer_direction[] = {
326 TX_MODE,
327};
328
329static struct snd_platform_data dm646x_evm_snd_data[] = {
330 {
Chaithrika U S25acf552009-06-05 06:28:08 -0400331 .tx_dma_offset = 0x400,
332 .rx_dma_offset = 0x400,
333 .op_mode = DAVINCI_MCASP_IIS_MODE,
334 .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
335 .tdm_slots = 2,
336 .serial_dir = dm646x_iis_serializer_direction,
Sekhar Nori48519f02010-07-19 12:31:16 +0530337 .asp_chan_q = EVENTQ_0,
Chaithrika U S25acf552009-06-05 06:28:08 -0400338 },
339 {
Chaithrika U S25acf552009-06-05 06:28:08 -0400340 .tx_dma_offset = 0x400,
341 .rx_dma_offset = 0,
342 .op_mode = DAVINCI_MCASP_DIT_MODE,
343 .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
344 .tdm_slots = 32,
345 .serial_dir = dm646x_dit_serializer_direction,
Sekhar Nori48519f02010-07-19 12:31:16 +0530346 .asp_chan_q = EVENTQ_0,
Chaithrika U S25acf552009-06-05 06:28:08 -0400347 },
348};
349
Arnd Bergmann8e580412016-02-01 21:35:58 +0100350#ifdef CONFIG_I2C
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400351static struct i2c_client *cpld_client;
352
353static int cpld_video_probe(struct i2c_client *client,
354 const struct i2c_device_id *id)
355{
356 cpld_client = client;
357 return 0;
358}
359
Greg Kroah-Hartman351a1022012-12-21 14:02:24 -0800360static int cpld_video_remove(struct i2c_client *client)
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400361{
362 cpld_client = NULL;
363 return 0;
364}
365
366static const struct i2c_device_id cpld_video_id[] = {
367 { "cpld_video", 0 },
368 { }
369};
370
371static struct i2c_driver cpld_video_driver = {
372 .driver = {
373 .name = "cpld_video",
374 },
375 .probe = cpld_video_probe,
376 .remove = cpld_video_remove,
377 .id_table = cpld_video_id,
378};
379
380static void evm_init_cpld(void)
381{
382 i2c_add_driver(&cpld_video_driver);
383}
384
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700385static struct i2c_board_info __initdata i2c_info[] = {
386 {
387 I2C_BOARD_INFO("24c256", 0x50),
388 .platform_data = &eeprom_info,
389 },
390 {
391 I2C_BOARD_INFO("pcf8574a", 0x38),
392 .platform_data = &pcf_data,
393 },
Hemant Pedanekar548197b2009-07-17 23:30:36 +0530394 {
395 I2C_BOARD_INFO("cpld_reg0", 0x3a),
396 },
Chaithrika U S1a7ff8f2009-08-25 15:20:05 +0300397 {
398 I2C_BOARD_INFO("tlv320aic33", 0x18),
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400399 },
400 {
401 I2C_BOARD_INFO("cpld_video", 0x3b),
402 },
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700403};
404
405static struct davinci_i2c_platform_data i2c_pdata = {
406 .bus_freq = 100 /* kHz */,
407 .bus_delay = 0 /* usec */,
408};
409
Sekhar Norib73b5262009-11-24 18:25:14 +0530410#define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
411#define VCH2CLK_SYSCLK8 (BIT(9))
412#define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
413#define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
414#define VCH3CLK_SYSCLK8 (BIT(13))
415#define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
416
417#define VIDCH2CLK (BIT(10))
418#define VIDCH3CLK (BIT(11))
419#define VIDCH1CLK (BIT(4))
420#define TVP7002_INPUT (BIT(4))
421#define TVP5147_INPUT (~BIT(4))
422#define VPIF_INPUT_ONE_CHANNEL (BIT(5))
423#define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
424#define TVP5147_CH0 "tvp514x-0"
425#define TVP5147_CH1 "tvp514x-1"
426
Sekhar Norib73b5262009-11-24 18:25:14 +0530427/* spin lock for updating above registers */
428static spinlock_t vpif_reg_lock;
429
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400430static int set_vpif_clock(int mux_mode, int hd)
431{
432 unsigned long flags;
433 unsigned int value;
434 int val = 0;
435 int err = 0;
436
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530437 if (!cpld_client)
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400438 return -ENXIO;
439
440 /* disable the clock */
441 spin_lock_irqsave(&vpif_reg_lock, flags);
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530442 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400443 value |= (VIDCH3CLK | VIDCH2CLK);
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530444 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400445 spin_unlock_irqrestore(&vpif_reg_lock, flags);
446
447 val = i2c_smbus_read_byte(cpld_client);
448 if (val < 0)
449 return val;
450
451 if (mux_mode == 1)
452 val &= ~0x40;
453 else
454 val |= 0x40;
455
456 err = i2c_smbus_write_byte(cpld_client, val);
457 if (err)
458 return err;
459
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530460 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400461 value &= ~(VCH2CLK_MASK);
462 value &= ~(VCH3CLK_MASK);
463
464 if (hd >= 1)
465 value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
466 else
467 value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
468
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530469 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400470
471 spin_lock_irqsave(&vpif_reg_lock, flags);
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530472 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400473 /* enable the clock */
474 value &= ~(VIDCH3CLK | VIDCH2CLK);
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530475 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400476 spin_unlock_irqrestore(&vpif_reg_lock, flags);
477
478 return 0;
479}
480
481static struct vpif_subdev_info dm646x_vpif_subdev[] = {
482 {
483 .name = "adv7343",
484 .board_info = {
485 I2C_BOARD_INFO("adv7343", 0x2a),
486 },
487 },
488 {
489 .name = "ths7303",
490 .board_info = {
491 I2C_BOARD_INFO("ths7303", 0x2c),
492 },
493 },
494};
495
Lad, Prabhakar2bd4e582012-09-25 08:11:49 -0300496static const struct vpif_output dm6467_ch0_outputs[] = {
497 {
498 .output = {
499 .index = 0,
500 .name = "Composite",
501 .type = V4L2_OUTPUT_TYPE_ANALOG,
502 .capabilities = V4L2_OUT_CAP_STD,
503 .std = V4L2_STD_ALL,
504 },
505 .subdev_name = "adv7343",
506 .output_route = ADV7343_COMPOSITE_ID,
507 },
508 {
509 .output = {
510 .index = 1,
511 .name = "Component",
512 .type = V4L2_OUTPUT_TYPE_ANALOG,
Hans Verkuil20a005a2013-02-15 15:10:45 -0300513 .capabilities = V4L2_OUT_CAP_DV_TIMINGS,
Lad, Prabhakar2bd4e582012-09-25 08:11:49 -0300514 },
515 .subdev_name = "adv7343",
516 .output_route = ADV7343_COMPONENT_ID,
517 },
518 {
519 .output = {
520 .index = 2,
521 .name = "S-Video",
522 .type = V4L2_OUTPUT_TYPE_ANALOG,
523 .capabilities = V4L2_OUT_CAP_STD,
524 .std = V4L2_STD_ALL,
525 },
526 .subdev_name = "adv7343",
527 .output_route = ADV7343_SVIDEO_ID,
528 },
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400529};
530
531static struct vpif_display_config dm646x_vpif_display_config = {
532 .set_clock = set_vpif_clock,
533 .subdevinfo = dm646x_vpif_subdev,
534 .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev),
Lad, Prabhakar2bd4e582012-09-25 08:11:49 -0300535 .chan_config[0] = {
536 .outputs = dm6467_ch0_outputs,
537 .output_count = ARRAY_SIZE(dm6467_ch0_outputs),
538 },
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400539 .card_name = "DM646x EVM",
540};
541
542/**
543 * setup_vpif_input_path()
544 * @channel: channel id (0 - CH0, 1 - CH1)
545 * @sub_dev_name: ptr sub device name
546 *
547 * This will set vpif input to capture data from tvp514x or
548 * tvp7002.
549 */
550static int setup_vpif_input_path(int channel, const char *sub_dev_name)
551{
552 int err = 0;
553 int val;
554
555 /* for channel 1, we don't do anything */
556 if (channel != 0)
557 return 0;
558
559 if (!cpld_client)
560 return -ENXIO;
561
562 val = i2c_smbus_read_byte(cpld_client);
563 if (val < 0)
564 return val;
565
566 if (!strcmp(sub_dev_name, TVP5147_CH0) ||
567 !strcmp(sub_dev_name, TVP5147_CH1))
568 val &= TVP5147_INPUT;
569 else
570 val |= TVP7002_INPUT;
571
572 err = i2c_smbus_write_byte(cpld_client, val);
573 if (err)
574 return err;
575 return 0;
576}
577
578/**
579 * setup_vpif_input_channel_mode()
580 * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel
581 *
582 * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
583 */
584static int setup_vpif_input_channel_mode(int mux_mode)
585{
586 unsigned long flags;
587 int err = 0;
588 int val;
589 u32 value;
590
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530591 if (!cpld_client)
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400592 return -ENXIO;
593
594 val = i2c_smbus_read_byte(cpld_client);
595 if (val < 0)
596 return val;
597
598 spin_lock_irqsave(&vpif_reg_lock, flags);
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530599 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400600 if (mux_mode) {
601 val &= VPIF_INPUT_TWO_CHANNEL;
602 value |= VIDCH1CLK;
603 } else {
604 val |= VPIF_INPUT_ONE_CHANNEL;
605 value &= ~VIDCH1CLK;
606 }
Manjunath Hadli5cfb19a2011-12-21 19:13:36 +0530607 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400608 spin_unlock_irqrestore(&vpif_reg_lock, flags);
609
610 err = i2c_smbus_write_byte(cpld_client, val);
611 if (err)
612 return err;
613
614 return 0;
615}
616
617static struct tvp514x_platform_data tvp5146_pdata = {
618 .clk_polarity = 0,
619 .hs_polarity = 1,
620 .vs_polarity = 1
621};
622
623#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
624
625static struct vpif_subdev_info vpif_capture_sdev_info[] = {
626 {
627 .name = TVP5147_CH0,
628 .board_info = {
629 I2C_BOARD_INFO("tvp5146", 0x5d),
630 .platform_data = &tvp5146_pdata,
631 },
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400632 },
633 {
634 .name = TVP5147_CH1,
635 .board_info = {
636 I2C_BOARD_INFO("tvp5146", 0x5c),
637 .platform_data = &tvp5146_pdata,
638 },
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400639 },
640};
641
Kevin Hilman231ce272017-06-09 10:21:10 -0700642static struct vpif_input dm6467_ch0_inputs[] = {
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400643 {
644 .input = {
645 .index = 0,
646 .name = "Composite",
647 .type = V4L2_INPUT_TYPE_CAMERA,
Hans Verkuil7aaad132012-09-20 09:06:25 -0300648 .capabilities = V4L2_IN_CAP_STD,
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400649 .std = TVP514X_STD_ALL,
650 },
651 .subdev_name = TVP5147_CH0,
Hans Verkuil7aaad132012-09-20 09:06:25 -0300652 .input_route = INPUT_CVBS_VI2B,
653 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400654 },
655};
656
Kevin Hilman231ce272017-06-09 10:21:10 -0700657static struct vpif_input dm6467_ch1_inputs[] = {
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400658 {
659 .input = {
660 .index = 0,
661 .name = "S-Video",
662 .type = V4L2_INPUT_TYPE_CAMERA,
Hans Verkuil7aaad132012-09-20 09:06:25 -0300663 .capabilities = V4L2_IN_CAP_STD,
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400664 .std = TVP514X_STD_ALL,
665 },
666 .subdev_name = TVP5147_CH1,
Hans Verkuil7aaad132012-09-20 09:06:25 -0300667 .input_route = INPUT_SVIDEO_VI2C_VI1C,
668 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400669 },
670};
671
672static struct vpif_capture_config dm646x_vpif_capture_cfg = {
673 .setup_input_path = setup_vpif_input_path,
674 .setup_input_channel_mode = setup_vpif_input_channel_mode,
675 .subdev_info = vpif_capture_sdev_info,
676 .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
677 .chan_config[0] = {
678 .inputs = dm6467_ch0_inputs,
679 .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
Hans Verkuil0d4f35f2012-09-20 09:06:32 -0300680 .vpif_if = {
681 .if_type = VPIF_IF_BT656,
682 .hd_pol = 1,
683 .vd_pol = 1,
684 .fid_pol = 0,
685 },
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400686 },
687 .chan_config[1] = {
688 .inputs = dm6467_ch1_inputs,
689 .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
Hans Verkuil0d4f35f2012-09-20 09:06:32 -0300690 .vpif_if = {
691 .if_type = VPIF_IF_BT656,
692 .hd_pol = 1,
693 .vd_pol = 1,
694 .fid_pol = 0,
695 },
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400696 },
697};
698
699static void __init evm_init_video(void)
700{
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400701 spin_lock_init(&vpif_reg_lock);
702
703 dm646x_setup_vpif(&dm646x_vpif_display_config,
704 &dm646x_vpif_capture_cfg);
705}
706
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700707static void __init evm_init_i2c(void)
708{
709 davinci_init_i2c(&i2c_pdata);
Hemant Pedanekar548197b2009-07-17 23:30:36 +0530710 i2c_add_driver(&dm6467evm_cpld_driver);
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700711 i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
Muralidharan Karicheri85609c12009-09-16 13:15:30 -0400712 evm_init_cpld();
713 evm_init_video();
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700714}
Arnd Bergmann8e580412016-02-01 21:35:58 +0100715#endif
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700716
David Lechner96c08172018-01-19 21:20:22 -0600717#define DM646X_REF_FREQ 27000000
718#define DM646X_AUX_FREQ 24000000
Sekhar Nori56e580d2011-06-14 15:33:20 +0000719#define DM6467T_EVM_REF_FREQ 33000000
720
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700721static void __init davinci_map_io(void)
722{
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700723 dm646x_init();
David Lechner96c08172018-01-19 21:20:22 -0600724}
Sekhar Nori56e580d2011-06-14 15:33:20 +0000725
David Lechner96c08172018-01-19 21:20:22 -0600726static void __init dm646x_evm_init_time(void)
727{
728 dm646x_init_time(DM646X_REF_FREQ, DM646X_AUX_FREQ);
729}
730
731static void __init dm6467t_evm_init_time(void)
732{
733 dm646x_init_time(DM6467T_EVM_REF_FREQ, DM646X_AUX_FREQ);
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700734}
735
Sekhar Norif6f97582012-01-21 02:48:17 +0530736#define DM646X_EVM_PHY_ID "davinci_mdio-0:01"
Rajashekhara, Sudhakarcce3ddd2010-06-29 11:35:15 +0530737/*
738 * The following EDMA channels/slots are not being used by drivers (for
739 * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
740 * reserved for codecs on the DSP side.
741 */
742static const s16 dm646x_dma_rsv_chans[][2] = {
743 /* (offset, number) */
744 { 0, 4},
745 {13, 3},
746 {24, 4},
747 {30, 2},
748 {54, 3},
749 {-1, -1}
750};
751
752static const s16 dm646x_dma_rsv_slots[][2] = {
753 /* (offset, number) */
754 { 0, 4},
755 {13, 3},
756 {24, 4},
757 {30, 2},
758 {54, 3},
759 {128, 384},
760 {-1, -1}
761};
762
763static struct edma_rsv_info dm646x_edma_rsv[] = {
764 {
765 .rsv_chans = dm646x_dma_rsv_chans,
766 .rsv_slots = dm646x_dma_rsv_slots,
767 },
768};
769
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700770static __init void evm_init(void)
771{
Philip Avinash834acb22013-08-18 10:49:02 +0530772 int ret;
Mark A. Greer972412b2009-04-15 12:40:56 -0700773 struct davinci_soc_info *soc_info = &davinci_soc_info;
774
Philip Avinash834acb22013-08-18 10:49:02 +0530775 ret = dm646x_gpio_register();
776 if (ret)
777 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
778
Arnd Bergmann8e580412016-02-01 21:35:58 +0100779#ifdef CONFIG_I2C
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700780 evm_init_i2c();
Arnd Bergmann8e580412016-02-01 21:35:58 +0100781#endif
782
Manjunathappa, Prakashfcf71572013-06-19 14:45:42 +0530783 davinci_serial_init(dm646x_serial_device);
Chaithrika U S25acf552009-06-05 06:28:08 -0400784 dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
785 dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
Mark A. Greer972412b2009-04-15 12:40:56 -0700786
Sekhar Nori0b3fc7b2010-08-09 15:46:40 +0530787 if (machine_is_davinci_dm6467tevm())
788 davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
789
Hemant Pedanekar50fbabf2009-09-18 23:09:29 +0530790 platform_device_register(&davinci_nand_device);
791
Ivan Khoronzhuk67f51852014-01-30 13:03:40 +0200792 if (davinci_aemif_setup(&davinci_nand_device))
793 pr_warn("%s: Cannot configure AEMIF.\n", __func__);
794
Rajashekhara, Sudhakarcce3ddd2010-06-29 11:35:15 +0530795 dm646x_init_edma(dm646x_edma_rsv);
796
Hemant Pedanekar548197b2009-07-17 23:30:36 +0530797 if (HAS_ATA)
Sergei Shtylyov7a9978a2010-04-21 18:11:33 +0400798 davinci_init_ide();
Hemant Pedanekar548197b2009-07-17 23:30:36 +0530799
Cyril Chemparathy782f2d72010-09-15 10:11:25 -0400800 soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700801}
802
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700803MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
Nicolas Pitree7e56012011-07-05 22:38:11 -0400804 .atag_offset = 0x100,
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700805 .map_io = davinci_map_io,
Cyril Chemparathybd808942010-05-07 17:06:37 -0400806 .init_irq = davinci_irq_init,
David Lechner96c08172018-01-19 21:20:22 -0600807 .init_time = dm646x_evm_init_time,
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700808 .init_machine = evm_init,
Shawn Guo3aa3e842012-04-26 09:45:39 +0800809 .init_late = davinci_init_late,
Nicolas Pitref68deab2011-07-05 22:28:08 -0400810 .dma_zone_size = SZ_128M,
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700811MACHINE_END
812
Sekhar Noric1978e12009-11-24 18:25:15 +0530813MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
Nicolas Pitree7e56012011-07-05 22:38:11 -0400814 .atag_offset = 0x100,
Sekhar Noric1978e12009-11-24 18:25:15 +0530815 .map_io = davinci_map_io,
Cyril Chemparathybd808942010-05-07 17:06:37 -0400816 .init_irq = davinci_irq_init,
David Lechner96c08172018-01-19 21:20:22 -0600817 .init_time = dm6467t_evm_init_time,
Sekhar Noric1978e12009-11-24 18:25:15 +0530818 .init_machine = evm_init,
Shawn Guo3aa3e842012-04-26 09:45:39 +0800819 .init_late = davinci_init_late,
Nicolas Pitref68deab2011-07-05 22:28:08 -0400820 .dma_zone_size = SZ_128M,
Sekhar Noric1978e12009-11-24 18:25:15 +0530821MACHINE_END
822