2 * TI DaVinci DM646X EVM board
4 * Derived from: arch/arm/mach-davinci/board-evm.c
5 * Copyright (C) 2006 Texas Instruments.
7 * (C) 2007-2008, MontaVista Software, Inc.
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.
15 /**************************************************************************
17 **************************************************************************/
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/leds.h>
22 #include <linux/gpio.h>
23 #include <linux/platform_device.h>
24 #include <linux/i2c.h>
25 #include <linux/property.h>
26 #include <linux/platform_data/pcf857x.h>
27 #include <linux/platform_data/ti-aemif.h>
29 #include <media/i2c/tvp514x.h>
30 #include <media/i2c/adv7343.h>
32 #include <linux/mtd/mtd.h>
33 #include <linux/mtd/rawnand.h>
34 #include <linux/mtd/partitions.h>
35 #include <linux/nvmem-provider.h>
36 #include <linux/clk.h>
37 #include <linux/export.h>
38 #include <linux/platform_data/gpio-davinci.h>
39 #include <linux/platform_data/i2c-davinci.h>
40 #include <linux/platform_data/mtd-davinci.h>
41 #include <linux/platform_data/mtd-davinci-aemif.h>
43 #include <asm/mach-types.h>
44 #include <asm/mach/arch.h>
46 #include <mach/common.h>
47 #include <mach/serial.h>
52 #define NAND_BLOCK_SIZE SZ_128K
54 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
55 * and U-Boot environment this avoids dependency on any particular combination
56 * of UBL, U-Boot or flashing tools etc.
58 static struct mtd_partition davinci_nand_partitions
[] = {
60 /* UBL, U-Boot with environment */
62 .offset
= MTDPART_OFS_APPEND
,
63 .size
= 16 * NAND_BLOCK_SIZE
,
64 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
67 .offset
= MTDPART_OFS_APPEND
,
72 .offset
= MTDPART_OFS_APPEND
,
73 .size
= MTDPART_SIZ_FULL
,
78 static struct davinci_aemif_timing dm6467tevm_nandflash_timing
= {
88 static struct davinci_nand_pdata davinci_nand_data
= {
92 .parts
= davinci_nand_partitions
,
93 .nr_parts
= ARRAY_SIZE(davinci_nand_partitions
),
94 .engine_type
= NAND_ECC_ENGINE_TYPE_ON_HOST
,
99 static struct resource davinci_nand_resources
[] = {
101 .start
= DM646X_ASYNC_EMIF_CS2_SPACE_BASE
,
102 .end
= DM646X_ASYNC_EMIF_CS2_SPACE_BASE
+ SZ_32M
- 1,
103 .flags
= IORESOURCE_MEM
,
105 .start
= DM646X_ASYNC_EMIF_CONTROL_BASE
,
106 .end
= DM646X_ASYNC_EMIF_CONTROL_BASE
+ SZ_4K
- 1,
107 .flags
= IORESOURCE_MEM
,
111 static struct platform_device davinci_aemif_devices
[] = {
113 .name
= "davinci_nand",
115 .num_resources
= ARRAY_SIZE(davinci_nand_resources
),
116 .resource
= davinci_nand_resources
,
118 .platform_data
= &davinci_nand_data
,
123 static struct resource davinci_aemif_resources
[] = {
125 .start
= DM646X_ASYNC_EMIF_CONTROL_BASE
,
126 .end
= DM646X_ASYNC_EMIF_CONTROL_BASE
+ SZ_4K
- 1,
127 .flags
= IORESOURCE_MEM
,
131 static struct aemif_abus_data davinci_aemif_abus_data
[] = {
137 static struct aemif_platform_data davinci_aemif_pdata
= {
138 .abus_data
= davinci_aemif_abus_data
,
139 .num_abus_data
= ARRAY_SIZE(davinci_aemif_abus_data
),
140 .sub_devices
= davinci_aemif_devices
,
141 .num_sub_devices
= ARRAY_SIZE(davinci_aemif_devices
),
144 static struct platform_device davinci_aemif_device
= {
148 .platform_data
= &davinci_aemif_pdata
,
150 .resource
= davinci_aemif_resources
,
151 .num_resources
= ARRAY_SIZE(davinci_aemif_resources
),
154 #define HAS_ATA (IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
155 IS_ENABLED(CONFIG_PATA_BK3710))
158 /* CPLD Register 0 bits to control ATA */
159 #define DM646X_EVM_ATA_RST BIT(0)
160 #define DM646X_EVM_ATA_PWD BIT(1)
162 /* CPLD Register 0 Client: used for I/O Control */
163 static int cpld_reg0_probe(struct i2c_client
*client
)
167 struct i2c_msg msg
[2] = {
169 .addr
= client
->addr
,
175 .addr
= client
->addr
,
182 /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
183 i2c_transfer(client
->adapter
, msg
, 1);
184 data
&= ~(DM646X_EVM_ATA_RST
| DM646X_EVM_ATA_PWD
);
185 i2c_transfer(client
->adapter
, msg
+ 1, 1);
191 static const struct i2c_device_id cpld_reg_ids
[] = {
196 static struct i2c_driver dm6467evm_cpld_driver
= {
197 .driver
.name
= "cpld_reg0",
198 .id_table
= cpld_reg_ids
,
199 .probe_new
= cpld_reg0_probe
,
204 static struct gpio_led evm_leds
[] = {
205 { .name
= "DS1", .active_low
= 1, },
206 { .name
= "DS2", .active_low
= 1, },
207 { .name
= "DS3", .active_low
= 1, },
208 { .name
= "DS4", .active_low
= 1, },
211 static const struct gpio_led_platform_data evm_led_data
= {
212 .num_leds
= ARRAY_SIZE(evm_leds
),
216 static struct platform_device
*evm_led_dev
;
218 static int evm_led_setup(struct i2c_client
*client
, int gpio
,
219 unsigned int ngpio
, void *c
)
221 struct gpio_led
*leds
= evm_leds
;
229 evm_led_dev
= platform_device_alloc("leds-gpio", 0);
230 platform_device_add_data(evm_led_dev
, &evm_led_data
,
231 sizeof(evm_led_data
));
233 evm_led_dev
->dev
.parent
= &client
->dev
;
234 status
= platform_device_add(evm_led_dev
);
236 platform_device_put(evm_led_dev
);
242 static int evm_led_teardown(struct i2c_client
*client
, int gpio
,
243 unsigned ngpio
, void *c
)
246 platform_device_unregister(evm_led_dev
);
252 static int evm_sw_gpio
[4] = { -EINVAL
, -EINVAL
, -EINVAL
, -EINVAL
};
254 static int evm_sw_setup(struct i2c_client
*client
, int gpio
,
255 unsigned ngpio
, void *c
)
261 for (i
= 0; i
< 4; ++i
) {
262 snprintf(label
, 10, "user_sw%d", i
);
263 status
= gpio_request(gpio
, label
);
266 evm_sw_gpio
[i
] = gpio
++;
268 status
= gpio_direction_input(evm_sw_gpio
[i
]);
272 status
= gpio_export(evm_sw_gpio
[i
], 0);
279 for (i
= 0; i
< 4; ++i
) {
280 if (evm_sw_gpio
[i
] != -EINVAL
) {
281 gpio_free(evm_sw_gpio
[i
]);
282 evm_sw_gpio
[i
] = -EINVAL
;
288 static int evm_sw_teardown(struct i2c_client
*client
, int gpio
,
289 unsigned ngpio
, void *c
)
293 for (i
= 0; i
< 4; ++i
) {
294 if (evm_sw_gpio
[i
] != -EINVAL
) {
295 gpio_unexport(evm_sw_gpio
[i
]);
296 gpio_free(evm_sw_gpio
[i
]);
297 evm_sw_gpio
[i
] = -EINVAL
;
303 static int evm_pcf_setup(struct i2c_client
*client
, int gpio
,
304 unsigned int ngpio
, void *c
)
311 status
= evm_sw_setup(client
, gpio
, 4, c
);
315 return evm_led_setup(client
, gpio
+4, 4, c
);
318 static int evm_pcf_teardown(struct i2c_client
*client
, int gpio
,
319 unsigned int ngpio
, void *c
)
323 evm_sw_teardown(client
, gpio
, 4, c
);
324 evm_led_teardown(client
, gpio
+4, 4, c
);
329 static struct pcf857x_platform_data pcf_data
= {
330 .gpio_base
= DAVINCI_N_GPIO
+1,
331 .setup
= evm_pcf_setup
,
332 .teardown
= evm_pcf_teardown
,
335 /* Most of this EEPROM is unused, but U-Boot uses some data:
336 * - 0x7f00, 6 bytes Ethernet Address
337 * - ... newer boards may have more
340 static struct nvmem_cell_info dm646x_evm_nvmem_cells
[] = {
348 static struct nvmem_cell_table dm646x_evm_nvmem_cell_table
= {
349 .nvmem_name
= "1-00500",
350 .cells
= dm646x_evm_nvmem_cells
,
351 .ncells
= ARRAY_SIZE(dm646x_evm_nvmem_cells
),
354 static struct nvmem_cell_lookup dm646x_evm_nvmem_cell_lookup
= {
355 .nvmem_name
= "1-00500",
356 .cell_name
= "macaddr",
357 .dev_id
= "davinci_emac.1",
358 .con_id
= "mac-address",
361 static const struct property_entry eeprom_properties
[] = {
362 PROPERTY_ENTRY_U32("pagesize", 64),
367 static u8 dm646x_iis_serializer_direction
[] = {
368 TX_MODE
, RX_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
371 static u8 dm646x_dit_serializer_direction
[] = {
375 static struct snd_platform_data dm646x_evm_snd_data
[] = {
377 .tx_dma_offset
= 0x400,
378 .rx_dma_offset
= 0x400,
379 .op_mode
= DAVINCI_MCASP_IIS_MODE
,
380 .num_serializer
= ARRAY_SIZE(dm646x_iis_serializer_direction
),
382 .serial_dir
= dm646x_iis_serializer_direction
,
383 .asp_chan_q
= EVENTQ_0
,
386 .tx_dma_offset
= 0x400,
388 .op_mode
= DAVINCI_MCASP_DIT_MODE
,
389 .num_serializer
= ARRAY_SIZE(dm646x_dit_serializer_direction
),
391 .serial_dir
= dm646x_dit_serializer_direction
,
392 .asp_chan_q
= EVENTQ_0
,
397 static struct i2c_client
*cpld_client
;
399 static int cpld_video_probe(struct i2c_client
*client
)
401 cpld_client
= client
;
405 static int cpld_video_remove(struct i2c_client
*client
)
411 static const struct i2c_device_id cpld_video_id
[] = {
416 static struct i2c_driver cpld_video_driver
= {
418 .name
= "cpld_video",
420 .probe_new
= cpld_video_probe
,
421 .remove
= cpld_video_remove
,
422 .id_table
= cpld_video_id
,
425 static void evm_init_cpld(void)
427 i2c_add_driver(&cpld_video_driver
);
430 static struct i2c_board_info __initdata i2c_info
[] = {
432 I2C_BOARD_INFO("24c256", 0x50),
433 .properties
= eeprom_properties
,
436 I2C_BOARD_INFO("pcf8574a", 0x38),
437 .platform_data
= &pcf_data
,
440 I2C_BOARD_INFO("cpld_reg0", 0x3a),
443 I2C_BOARD_INFO("tlv320aic33", 0x18),
446 I2C_BOARD_INFO("cpld_video", 0x3b),
450 static struct davinci_i2c_platform_data i2c_pdata
= {
451 .bus_freq
= 100 /* kHz */,
452 .bus_delay
= 0 /* usec */,
455 #define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
456 #define VCH2CLK_SYSCLK8 (BIT(9))
457 #define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
458 #define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
459 #define VCH3CLK_SYSCLK8 (BIT(13))
460 #define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
462 #define VIDCH2CLK (BIT(10))
463 #define VIDCH3CLK (BIT(11))
464 #define VIDCH1CLK (BIT(4))
465 #define TVP7002_INPUT (BIT(4))
466 #define TVP5147_INPUT (~BIT(4))
467 #define VPIF_INPUT_ONE_CHANNEL (BIT(5))
468 #define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
469 #define TVP5147_CH0 "tvp514x-0"
470 #define TVP5147_CH1 "tvp514x-1"
472 /* spin lock for updating above registers */
473 static spinlock_t vpif_reg_lock
;
475 static int set_vpif_clock(int mux_mode
, int hd
)
485 /* disable the clock */
486 spin_lock_irqsave(&vpif_reg_lock
, flags
);
487 value
= __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS
));
488 value
|= (VIDCH3CLK
| VIDCH2CLK
);
489 __raw_writel(value
, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS
));
490 spin_unlock_irqrestore(&vpif_reg_lock
, flags
);
492 val
= i2c_smbus_read_byte(cpld_client
);
501 err
= i2c_smbus_write_byte(cpld_client
, val
);
505 value
= __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL
));
506 value
&= ~(VCH2CLK_MASK
);
507 value
&= ~(VCH3CLK_MASK
);
510 value
|= (VCH2CLK_SYSCLK8
| VCH3CLK_SYSCLK8
);
512 value
|= (VCH2CLK_AUXCLK
| VCH3CLK_AUXCLK
);
514 __raw_writel(value
, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL
));
516 spin_lock_irqsave(&vpif_reg_lock
, flags
);
517 value
= __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS
));
518 /* enable the clock */
519 value
&= ~(VIDCH3CLK
| VIDCH2CLK
);
520 __raw_writel(value
, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS
));
521 spin_unlock_irqrestore(&vpif_reg_lock
, flags
);
526 static struct vpif_subdev_info dm646x_vpif_subdev
[] = {
530 I2C_BOARD_INFO("adv7343", 0x2a),
536 I2C_BOARD_INFO("ths7303", 0x2c),
541 static const struct vpif_output dm6467_ch0_outputs
[] = {
546 .type
= V4L2_OUTPUT_TYPE_ANALOG
,
547 .capabilities
= V4L2_OUT_CAP_STD
,
550 .subdev_name
= "adv7343",
551 .output_route
= ADV7343_COMPOSITE_ID
,
557 .type
= V4L2_OUTPUT_TYPE_ANALOG
,
558 .capabilities
= V4L2_OUT_CAP_DV_TIMINGS
,
560 .subdev_name
= "adv7343",
561 .output_route
= ADV7343_COMPONENT_ID
,
567 .type
= V4L2_OUTPUT_TYPE_ANALOG
,
568 .capabilities
= V4L2_OUT_CAP_STD
,
571 .subdev_name
= "adv7343",
572 .output_route
= ADV7343_SVIDEO_ID
,
576 static struct vpif_display_config dm646x_vpif_display_config
= {
577 .set_clock
= set_vpif_clock
,
578 .subdevinfo
= dm646x_vpif_subdev
,
579 .subdev_count
= ARRAY_SIZE(dm646x_vpif_subdev
),
582 .outputs
= dm6467_ch0_outputs
,
583 .output_count
= ARRAY_SIZE(dm6467_ch0_outputs
),
585 .card_name
= "DM646x EVM Video Display",
589 * setup_vpif_input_path()
590 * @channel: channel id (0 - CH0, 1 - CH1)
591 * @sub_dev_name: ptr sub device name
593 * This will set vpif input to capture data from tvp514x or
596 static int setup_vpif_input_path(int channel
, const char *sub_dev_name
)
601 /* for channel 1, we don't do anything */
608 val
= i2c_smbus_read_byte(cpld_client
);
612 if (!strcmp(sub_dev_name
, TVP5147_CH0
) ||
613 !strcmp(sub_dev_name
, TVP5147_CH1
))
614 val
&= TVP5147_INPUT
;
616 val
|= TVP7002_INPUT
;
618 err
= i2c_smbus_write_byte(cpld_client
, val
);
625 * setup_vpif_input_channel_mode()
626 * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel
628 * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
630 static int setup_vpif_input_channel_mode(int mux_mode
)
640 val
= i2c_smbus_read_byte(cpld_client
);
644 spin_lock_irqsave(&vpif_reg_lock
, flags
);
645 value
= __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL
));
647 val
&= VPIF_INPUT_TWO_CHANNEL
;
650 val
|= VPIF_INPUT_ONE_CHANNEL
;
653 __raw_writel(value
, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL
));
654 spin_unlock_irqrestore(&vpif_reg_lock
, flags
);
656 err
= i2c_smbus_write_byte(cpld_client
, val
);
663 static struct tvp514x_platform_data tvp5146_pdata
= {
669 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
671 static struct vpif_subdev_info vpif_capture_sdev_info
[] = {
675 I2C_BOARD_INFO("tvp5146", 0x5d),
676 .platform_data
= &tvp5146_pdata
,
682 I2C_BOARD_INFO("tvp5146", 0x5c),
683 .platform_data
= &tvp5146_pdata
,
688 static struct vpif_input dm6467_ch0_inputs
[] = {
693 .type
= V4L2_INPUT_TYPE_CAMERA
,
694 .capabilities
= V4L2_IN_CAP_STD
,
695 .std
= TVP514X_STD_ALL
,
697 .subdev_name
= TVP5147_CH0
,
698 .input_route
= INPUT_CVBS_VI2B
,
699 .output_route
= OUTPUT_10BIT_422_EMBEDDED_SYNC
,
703 static struct vpif_input dm6467_ch1_inputs
[] = {
708 .type
= V4L2_INPUT_TYPE_CAMERA
,
709 .capabilities
= V4L2_IN_CAP_STD
,
710 .std
= TVP514X_STD_ALL
,
712 .subdev_name
= TVP5147_CH1
,
713 .input_route
= INPUT_SVIDEO_VI2C_VI1C
,
714 .output_route
= OUTPUT_10BIT_422_EMBEDDED_SYNC
,
718 static struct vpif_capture_config dm646x_vpif_capture_cfg
= {
719 .setup_input_path
= setup_vpif_input_path
,
720 .setup_input_channel_mode
= setup_vpif_input_channel_mode
,
721 .subdev_info
= vpif_capture_sdev_info
,
722 .subdev_count
= ARRAY_SIZE(vpif_capture_sdev_info
),
725 .inputs
= dm6467_ch0_inputs
,
726 .input_count
= ARRAY_SIZE(dm6467_ch0_inputs
),
728 .if_type
= VPIF_IF_BT656
,
735 .inputs
= dm6467_ch1_inputs
,
736 .input_count
= ARRAY_SIZE(dm6467_ch1_inputs
),
738 .if_type
= VPIF_IF_BT656
,
744 .card_name
= "DM646x EVM Video Capture",
747 static void __init
evm_init_video(void)
749 spin_lock_init(&vpif_reg_lock
);
751 dm646x_setup_vpif(&dm646x_vpif_display_config
,
752 &dm646x_vpif_capture_cfg
);
755 static void __init
evm_init_i2c(void)
757 davinci_init_i2c(&i2c_pdata
);
758 i2c_add_driver(&dm6467evm_cpld_driver
);
759 i2c_register_board_info(1, i2c_info
, ARRAY_SIZE(i2c_info
));
765 #define DM646X_REF_FREQ 27000000
766 #define DM646X_AUX_FREQ 24000000
767 #define DM6467T_EVM_REF_FREQ 33000000
769 static void __init
davinci_map_io(void)
774 static void __init
dm646x_evm_init_time(void)
776 dm646x_init_time(DM646X_REF_FREQ
, DM646X_AUX_FREQ
);
779 static void __init
dm6467t_evm_init_time(void)
781 dm646x_init_time(DM6467T_EVM_REF_FREQ
, DM646X_AUX_FREQ
);
784 #define DM646X_EVM_PHY_ID "davinci_mdio-0:01"
786 * The following EDMA channels/slots are not being used by drivers (for
787 * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
788 * reserved for codecs on the DSP side.
790 static const s16 dm646x_dma_rsv_chans
[][2] = {
791 /* (offset, number) */
800 static const s16 dm646x_dma_rsv_slots
[][2] = {
801 /* (offset, number) */
811 static struct edma_rsv_info dm646x_edma_rsv
[] = {
813 .rsv_chans
= dm646x_dma_rsv_chans
,
814 .rsv_slots
= dm646x_dma_rsv_slots
,
818 static __init
void evm_init(void)
821 struct davinci_soc_info
*soc_info
= &davinci_soc_info
;
823 dm646x_register_clocks();
825 ret
= dm646x_gpio_register();
827 pr_warn("%s: GPIO init failed: %d\n", __func__
, ret
);
830 nvmem_add_cell_table(&dm646x_evm_nvmem_cell_table
);
831 nvmem_add_cell_lookups(&dm646x_evm_nvmem_cell_lookup
, 1);
835 davinci_serial_init(dm646x_serial_device
);
836 dm646x_init_mcasp0(&dm646x_evm_snd_data
[0]);
837 dm646x_init_mcasp1(&dm646x_evm_snd_data
[1]);
839 if (machine_is_davinci_dm6467tevm())
840 davinci_nand_data
.timing
= &dm6467tevm_nandflash_timing
;
842 if (platform_device_register(&davinci_aemif_device
))
843 pr_warn("%s: Cannot register AEMIF device.\n", __func__
);
845 dm646x_init_edma(dm646x_edma_rsv
);
850 soc_info
->emac_pdata
->phy_id
= DM646X_EVM_PHY_ID
;
853 MACHINE_START(DAVINCI_DM6467_EVM
, "DaVinci DM646x EVM")
854 .atag_offset
= 0x100,
855 .map_io
= davinci_map_io
,
856 .init_irq
= dm646x_init_irq
,
857 .init_time
= dm646x_evm_init_time
,
858 .init_machine
= evm_init
,
859 .init_late
= davinci_init_late
,
860 .dma_zone_size
= SZ_128M
,
863 MACHINE_START(DAVINCI_DM6467TEVM
, "DaVinci DM6467T EVM")
864 .atag_offset
= 0x100,
865 .map_io
= davinci_map_io
,
866 .init_irq
= dm646x_init_irq
,
867 .init_time
= dm6467t_evm_init_time
,
868 .init_machine
= evm_init
,
869 .init_late
= davinci_init_late
,
870 .dma_zone_size
= SZ_128M
,