First Support on Ginger and OMAP TI
[linux-ginger.git] / arch / arm / mach-davinci / board-dm355-evm.c
blobafacf7f39ae43dbf817e84edbba8354070460c96
1 /*
2 * TI DaVinci EVM board support
4 * Author: Kevin Hilman, Deep Root Systems, LLC
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.
11 #include <linux/kernel.h>
12 #include <linux/module.h>
13 #include <linux/init.h>
14 #include <linux/dma-mapping.h>
15 #include <linux/platform_device.h>
16 #include <linux/mtd/mtd.h>
17 #include <linux/mtd/partitions.h>
18 #include <linux/mtd/nand.h>
19 #include <linux/i2c.h>
20 #include <linux/io.h>
21 #include <linux/gpio.h>
22 #include <linux/clk.h>
23 #include <linux/videodev2.h>
24 #include <media/tvp514x.h>
25 #include <linux/spi/spi.h>
26 #include <linux/spi/eeprom.h>
28 #include <asm/setup.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32 #include <asm/mach/flash.h>
34 #include <mach/hardware.h>
35 #include <mach/dm355.h>
36 #include <mach/psc.h>
37 #include <mach/common.h>
38 #include <mach/i2c.h>
39 #include <mach/serial.h>
40 #include <mach/nand.h>
41 #include <mach/mmc.h>
43 #define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e10000
44 #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
46 /* NOTE: this is geared for the standard config, with a socketed
47 * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you
48 * swap chips, maybe with a different block size, partitioning may
49 * need to be changed.
51 #define NAND_BLOCK_SIZE SZ_128K
53 static struct mtd_partition davinci_nand_partitions[] = {
55 /* UBL (a few copies) plus U-Boot */
56 .name = "bootloader",
57 .offset = 0,
58 .size = 15 * NAND_BLOCK_SIZE,
59 .mask_flags = MTD_WRITEABLE, /* force read-only */
60 }, {
61 /* U-Boot environment */
62 .name = "params",
63 .offset = MTDPART_OFS_APPEND,
64 .size = 1 * NAND_BLOCK_SIZE,
65 .mask_flags = 0,
66 }, {
67 .name = "kernel",
68 .offset = MTDPART_OFS_APPEND,
69 .size = SZ_4M,
70 .mask_flags = 0,
71 }, {
72 .name = "filesystem1",
73 .offset = MTDPART_OFS_APPEND,
74 .size = SZ_512M,
75 .mask_flags = 0,
76 }, {
77 .name = "filesystem2",
78 .offset = MTDPART_OFS_APPEND,
79 .size = MTDPART_SIZ_FULL,
80 .mask_flags = 0,
82 /* two blocks with bad block table (and mirror) at the end */
85 static struct davinci_nand_pdata davinci_nand_data = {
86 .mask_chipsel = BIT(14),
87 .parts = davinci_nand_partitions,
88 .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
89 .ecc_mode = NAND_ECC_HW_SYNDROME,
90 .options = NAND_USE_FLASH_BBT,
93 static struct resource davinci_nand_resources[] = {
95 .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
96 .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
97 .flags = IORESOURCE_MEM,
98 }, {
99 .start = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
100 .end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
101 .flags = IORESOURCE_MEM,
105 static struct platform_device davinci_nand_device = {
106 .name = "davinci_nand",
107 .id = 0,
109 .num_resources = ARRAY_SIZE(davinci_nand_resources),
110 .resource = davinci_nand_resources,
112 .dev = {
113 .platform_data = &davinci_nand_data,
117 static struct davinci_i2c_platform_data i2c_pdata = {
118 .bus_freq = 400 /* kHz */,
119 .bus_delay = 0 /* usec */,
122 static struct snd_platform_data dm355_evm_snd_data;
124 static int dm355evm_mmc_gpios = -EINVAL;
126 static void dm355evm_mmcsd_gpios(unsigned gpio)
128 gpio_request(gpio + 0, "mmc0_ro");
129 gpio_request(gpio + 1, "mmc0_cd");
130 gpio_request(gpio + 2, "mmc1_ro");
131 gpio_request(gpio + 3, "mmc1_cd");
133 /* we "know" these are input-only so we don't
134 * need to call gpio_direction_input()
137 dm355evm_mmc_gpios = gpio;
140 static struct i2c_board_info dm355evm_i2c_info[] = {
141 { I2C_BOARD_INFO("dm355evm_msp", 0x25),
142 .platform_data = dm355evm_mmcsd_gpios,
144 /* { plus irq }, */
145 { I2C_BOARD_INFO("tlv320aic33", 0x1b), },
148 static void __init evm_init_i2c(void)
150 davinci_init_i2c(&i2c_pdata);
152 gpio_request(5, "dm355evm_msp");
153 gpio_direction_input(5);
154 dm355evm_i2c_info[0].irq = gpio_to_irq(5);
156 i2c_register_board_info(1, dm355evm_i2c_info,
157 ARRAY_SIZE(dm355evm_i2c_info));
160 static struct resource dm355evm_dm9000_rsrc[] = {
162 /* addr */
163 .start = 0x04014000,
164 .end = 0x04014001,
165 .flags = IORESOURCE_MEM,
166 }, {
167 /* data */
168 .start = 0x04014002,
169 .end = 0x04014003,
170 .flags = IORESOURCE_MEM,
171 }, {
172 .flags = IORESOURCE_IRQ
173 | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
177 static struct platform_device dm355evm_dm9000 = {
178 .name = "dm9000",
179 .id = -1,
180 .resource = dm355evm_dm9000_rsrc,
181 .num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc),
184 static struct tvp514x_platform_data tvp5146_pdata = {
185 .clk_polarity = 0,
186 .hs_polarity = 1,
187 .vs_polarity = 1
190 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
191 /* Inputs available at the TVP5146 */
192 static struct v4l2_input tvp5146_inputs[] = {
194 .index = 0,
195 .name = "Composite",
196 .type = V4L2_INPUT_TYPE_CAMERA,
197 .std = TVP514X_STD_ALL,
200 .index = 1,
201 .name = "S-Video",
202 .type = V4L2_INPUT_TYPE_CAMERA,
203 .std = TVP514X_STD_ALL,
208 * this is the route info for connecting each input to decoder
209 * ouput that goes to vpfe. There is a one to one correspondence
210 * with tvp5146_inputs
212 static struct vpfe_route tvp5146_routes[] = {
214 .input = INPUT_CVBS_VI2B,
215 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
218 .input = INPUT_SVIDEO_VI2C_VI1C,
219 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
223 static struct vpfe_subdev_info vpfe_sub_devs[] = {
225 .name = "tvp5146",
226 .grp_id = 0,
227 .num_inputs = ARRAY_SIZE(tvp5146_inputs),
228 .inputs = tvp5146_inputs,
229 .routes = tvp5146_routes,
230 .can_route = 1,
231 .ccdc_if_params = {
232 .if_type = VPFE_BT656,
233 .hdpol = VPFE_PINPOL_POSITIVE,
234 .vdpol = VPFE_PINPOL_POSITIVE,
236 .board_info = {
237 I2C_BOARD_INFO("tvp5146", 0x5d),
238 .platform_data = &tvp5146_pdata,
243 static struct vpfe_config vpfe_cfg = {
244 .num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
245 .i2c_adapter_id = 1,
246 .sub_devs = vpfe_sub_devs,
247 .card_name = "DM355 EVM",
248 .ccdc = "DM355 CCDC",
251 static struct platform_device *davinci_evm_devices[] __initdata = {
252 &dm355evm_dm9000,
253 &davinci_nand_device,
256 static struct davinci_uart_config uart_config __initdata = {
257 .enabled_uarts = (1 << 0),
260 static void __init dm355_evm_map_io(void)
262 /* setup input configuration for VPFE input devices */
263 dm355_set_vpfe_config(&vpfe_cfg);
264 dm355_init();
267 static int dm355evm_mmc_get_cd(int module)
269 if (!gpio_is_valid(dm355evm_mmc_gpios))
270 return -ENXIO;
271 /* low == card present */
272 return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
275 static int dm355evm_mmc_get_ro(int module)
277 if (!gpio_is_valid(dm355evm_mmc_gpios))
278 return -ENXIO;
279 /* high == card's write protect switch active */
280 return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
283 static struct davinci_mmc_config dm355evm_mmc_config = {
284 .get_cd = dm355evm_mmc_get_cd,
285 .get_ro = dm355evm_mmc_get_ro,
286 .wires = 4,
287 .max_freq = 50000000,
288 .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
289 .version = MMC_CTLR_VERSION_1,
292 /* Don't connect anything to J10 unless you're only using USB host
293 * mode *and* have to do so with some kind of gender-bender. If
294 * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
295 * the ID pin won't need any help.
297 #ifdef CONFIG_USB_MUSB_PERIPHERAL
298 #define USB_ID_VALUE 0 /* ID pulled high; *should* float */
299 #else
300 #define USB_ID_VALUE 1 /* ID pulled low */
301 #endif
303 static struct spi_eeprom at25640a = {
304 .byte_len = SZ_64K / 8,
305 .name = "at25640a",
306 .page_size = 32,
307 .flags = EE_ADDR2,
310 static struct spi_board_info dm355_evm_spi_info[] __initconst = {
312 .modalias = "at25",
313 .platform_data = &at25640a,
314 .max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */
315 .bus_num = 0,
316 .chip_select = 0,
317 .mode = SPI_MODE_0,
321 static __init void dm355_evm_init(void)
323 struct clk *aemif;
325 gpio_request(1, "dm9000");
326 gpio_direction_input(1);
327 dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
329 aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
330 if (IS_ERR(aemif))
331 WARN("%s: unable to get AEMIF clock\n", __func__);
332 else
333 clk_enable(aemif);
335 platform_add_devices(davinci_evm_devices,
336 ARRAY_SIZE(davinci_evm_devices));
337 evm_init_i2c();
338 davinci_serial_init(&uart_config);
340 /* NOTE: NAND flash timings set by the UBL are slower than
341 * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
342 * but could be 0x0400008c for about 25% faster page reads.
345 gpio_request(2, "usb_id_toggle");
346 gpio_direction_output(2, USB_ID_VALUE);
347 /* irlml6401 switches over 1A in under 8 msec */
348 setup_usb(500, 8);
350 davinci_setup_mmc(0, &dm355evm_mmc_config);
351 davinci_setup_mmc(1, &dm355evm_mmc_config);
353 dm355_init_spi0(BIT(0), dm355_evm_spi_info,
354 ARRAY_SIZE(dm355_evm_spi_info));
356 /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
357 dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN, &dm355_evm_snd_data);
360 static __init void dm355_evm_irq_init(void)
362 davinci_irq_init();
365 MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
366 .phys_io = IO_PHYS,
367 .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
368 .boot_params = (0x80000100),
369 .map_io = dm355_evm_map_io,
370 .init_irq = dm355_evm_irq_init,
371 .timer = &davinci_timer,
372 .init_machine = dm355_evm_init,
373 MACHINE_END