2 * linux/arch/arm/mach-omap2/board-h4.c
4 * Copyright (C) 2005 Nokia Corporation
5 * Author: Paul Mundt <paul.mundt@nokia.com>
7 * Modified from mach-omap/omap1/board-generic.c
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/mtd/mtd.h>
18 #include <linux/mtd/partitions.h>
19 #include <linux/delay.h>
20 #include <linux/workqueue.h>
21 #include <linux/input.h>
22 #include <linux/err.h>
23 #include <linux/clk.h>
25 #include <linux/i2c.h>
26 #include <linux/gpio.h>
27 #include <linux/leds.h>
29 #include <linux/i2c/at24.h>
30 #include <linux/i2c/menelaus.h>
31 #include <linux/i2c/pcf857x.h>
33 #include <linux/spi/spi.h>
34 #include <linux/spi/tsc210x.h>
36 #include <media/v4l2-int-device.h>
38 #include <mach/hardware.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/flash.h>
44 #include <mach/control.h>
47 #include <mach/irda.h>
48 #include <mach/board.h>
49 #include <mach/common.h>
50 #include <mach/keypad.h>
52 #include <mach/gpmc.h>
55 #define H4_SMC91X_CS 1
57 #define H4_ETHR_GPIO_IRQ 92
59 /* FPGA on debug board has 32 GPIOs: 16 dedicated to leds,
60 * 8 outputs on a header, and 6 inputs from a DIP switch.
62 #define H4_DEBUG_GPIO_BASE OMAP_MAX_GPIO_LINES
63 # define H4_DEBUG_GPIO_SW3_1 (H4_DEBUG_GPIO_BASE + 24)
64 # define H4_DEBUG_GPIO_SW3_2 (H4_DEBUG_GPIO_BASE + 25)
65 # define H4_DEBUG_GPIO_SW3_3 (H4_DEBUG_GPIO_BASE + 26)
66 # define H4_DEBUG_GPIO_SW3_4 (H4_DEBUG_GPIO_BASE + 27)
67 # define H4_DEBUG_GPIO_SW3_5 (H4_DEBUG_GPIO_BASE + 28)
68 # define H4_DEBUG_GPIO_SW3_8 (H4_DEBUG_GPIO_BASE + 29)
70 /* H4 baseboard has 3 PCF8574 (8 bit) I2C GPIO expanders */
71 #define H4_U191_GPIO_BASE (H4_DEBUG_GPIO_BASE + 32)
72 # define H4_GPIO_IRDA_FIRSEL (H4_U191_GPIO_BASE + 0)
73 # define H4_GPIO_MODEM_MOD_EN (H4_U191_GPIO_BASE + 1)
74 # define H4_GPIO_WLAN_MOD_EN (H4_U191_GPIO_BASE + 2)
75 # define H4_GPIO_CAM_MODULE_EN (H4_U191_GPIO_BASE + 3)
76 # define H4_GPIO_HANDSET_EN (H4_U191_GPIO_BASE + 4)
77 # define H4_GPIO_LCD_ENBKL (H4_U191_GPIO_BASE + 5)
78 # define H4_GPIO_AUDIO_ENVDD (H4_U191_GPIO_BASE + 6)
79 # define H4_GPIO_LCD_ENVDD (H4_U191_GPIO_BASE + 7)
81 #define H4_U192_GPIO_BASE (H4_U191_GPIO_BASE + 8)
82 # define H4_GPIO_IRDA_AGPSn (H4_U192_GPIO_BASE + 0)
83 # define H4_GPIO_AGPS_PWREN (H4_U192_GPIO_BASE + 1)
84 # define H4_GPIO_AGPS_RSTn (H4_U192_GPIO_BASE + 2)
85 # define H4_GPIO_AGPS_SLEEP (H4_U192_GPIO_BASE + 3)
86 # define H4_GPIO_AGPS_PA_XMT (H4_U192_GPIO_BASE + 4)
87 # define H4_GPIO_MODEM_SPR2 (H4_U192_GPIO_BASE + 5)
88 # define H4_GPIO_MODEM_SPR1 (H4_U192_GPIO_BASE + 6)
89 # define H4_GPIO_BT_ACLK_ENn (H4_U192_GPIO_BASE + 7)
91 #define H4_U193_GPIO_BASE (H4_U192_GPIO_BASE + 8)
92 # define H4_GPIO_SPR0 (H4_U193_GPIO_BASE + 0)
93 # define H4_GPIO_SPR1 (H4_U193_GPIO_BASE + 1)
94 # define H4_GPIO_WLAN_SHUTDOWN (H4_U193_GPIO_BASE + 2)
95 # define H4_GPIO_WLAN_RESET (H4_U193_GPIO_BASE + 3)
96 # define H4_GPIO_WLAN_CLK_ENn (H4_U193_GPIO_BASE + 4)
97 /* 5, 6 not connected */
98 # define H4_GPIO_CAM_RST (H4_U193_GPIO_BASE + 7)
100 extern void h4_mmc_init(void);
102 static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 };
103 static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 };
105 static int h4_keymap[] = {
107 KEY(0, 1, KEY_RIGHT),
116 KEY(2, 0, KEY_ENTER),
130 KEY(4, 4, KEY_ENTER),
135 KEY(5, 4, KEY_ENTER),
139 static struct mtd_partition h4_partitions[] = {
140 /* bootloader (U-Boot, etc) in first sector */
142 .name = "bootloader",
145 .mask_flags = MTD_WRITEABLE, /* force read-only */
147 /* bootloader params in the next sector */
150 .offset = MTDPART_OFS_APPEND,
157 .offset = MTDPART_OFS_APPEND,
163 .name = "filesystem",
164 .offset = MTDPART_OFS_APPEND,
165 .size = MTDPART_SIZ_FULL,
170 static struct flash_platform_data h4_flash_data = {
171 .map_name = "cfi_probe",
173 .parts = h4_partitions,
174 .nr_parts = ARRAY_SIZE(h4_partitions),
177 static struct resource h4_flash_resource = {
178 .flags = IORESOURCE_MEM,
181 static struct platform_device h4_flash_device = {
185 .platform_data = &h4_flash_data,
188 .resource = &h4_flash_resource,
191 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
193 /* Select between the IrDA and aGPS module */
194 static int h4_select_irda(struct device *dev, int state)
196 /* U192.P0 = high for IRDA; else AGPS */
197 gpio_set_value_cansleep(H4_GPIO_IRDA_AGPSn, state & IR_SEL);
199 /* NOTE: UART3 can also hook up to a DB9 or to GSM ... */
203 static void set_trans_mode(struct work_struct *work)
205 struct omap_irda_config *irda_config =
206 container_of(work, struct omap_irda_config, gpio_expa.work);
207 int mode = irda_config->mode;
209 /* U191.P0 = low for SIR; else MIR/FIR */
210 gpio_set_value_cansleep(H4_GPIO_IRDA_FIRSEL, !(mode & IR_SIRMODE));
213 static int h4_transceiver_mode(struct device *dev, int mode)
215 struct omap_irda_config *irda_config = dev->platform_data;
217 irda_config->mode = mode;
218 cancel_delayed_work(&irda_config->gpio_expa);
219 PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
220 schedule_delayed_work(&irda_config->gpio_expa, 0);
225 static int h4_select_irda(struct device *dev, int state) { return 0; }
226 static int h4_transceiver_mode(struct device *dev, int mode) { return 0; }
229 static struct omap_irda_config h4_irda_data = {
230 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
231 .transceiver_mode = h4_transceiver_mode,
232 .select_irda = h4_select_irda,
233 .rx_channel = OMAP24XX_DMA_UART3_RX,
234 .tx_channel = OMAP24XX_DMA_UART3_TX,
235 .dest_start = OMAP_UART3_BASE,
236 .src_start = OMAP_UART3_BASE,
237 .tx_trigger = OMAP24XX_DMA_UART3_TX,
238 .rx_trigger = OMAP24XX_DMA_UART3_RX,
241 static struct resource h4_irda_resources[] = {
243 .start = INT_24XX_UART3_IRQ,
244 .end = INT_24XX_UART3_IRQ,
245 .flags = IORESOURCE_IRQ,
249 static struct platform_device h4_irda_device = {
253 .platform_data = &h4_irda_data,
256 .resource = h4_irda_resources,
259 static struct omap_kp_platform_data h4_kp_data = {
263 .keymapsize = ARRAY_SIZE(h4_keymap),
265 .row_gpios = row_gpios,
266 .col_gpios = col_gpios,
269 static struct platform_device h4_kp_device = {
270 .name = "omap-keypad",
273 .platform_data = &h4_kp_data,
277 static struct platform_device h4_lcd_device = {
282 static struct platform_device *h4_devices[] __initdata = {
289 /* 2420 Sysboot setup (2430 is different) */
290 static u32 get_sysboot_value(void)
292 return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
293 (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK |
294 OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK |
295 OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK));
298 /* FIXME: This function should be moved to some other file, gpmc.c? */
300 /* H4-2420's always used muxed mode, H4-2422's always use non-muxed
302 * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
303 * correctly. The macro needs to look at production_id not just hawkeye.
305 static u32 is_gpmc_muxed(void)
308 mux = get_sysboot_value();
309 if ((mux & 0xF) == 0xd)
310 return 1; /* NAND config (could be either) */
311 if (mux & 0x2) /* if mux'ed */
317 static inline void __init h4_init_debug(void)
320 unsigned long cs_mem_base;
321 unsigned int muxed, rate;
322 struct clk *gpmc_fck;
324 eth_cs = H4_SMC91X_CS;
326 gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
327 if (IS_ERR(gpmc_fck)) {
332 clk_enable(gpmc_fck);
333 rate = clk_get_rate(gpmc_fck);
334 clk_disable(gpmc_fck);
342 /* Make sure CS1 timings are correct */
343 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
346 if (rate >= 160000000) {
347 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
348 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
349 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
350 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
351 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
352 } else if (rate >= 130000000) {
353 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
354 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
355 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
356 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
357 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
358 } else {/* rate = 100000000 */
359 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
360 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
361 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
362 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
363 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
366 if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
367 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
373 omap_cfg_reg(M15_24XX_GPIO92);
374 if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0)
375 gpmc_cs_free(eth_cs);
378 clk_disable(gpmc_fck);
382 static void __init h4_init_flash(void)
386 if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
387 printk("Can't request GPMC CS for flash\n");
390 h4_flash_resource.start = base;
391 h4_flash_resource.end = base + SZ_64M - 1;
394 static void __init omap_h4_init_irq(void)
396 omap2_init_common_hw(NULL);
402 static struct omap_uart_config h4_uart_config __initdata = {
403 #ifdef CONFIG_MACH_OMAP2_H4_USB1
404 .enabled_uarts = ((1 << 0) | (1 << 1)),
406 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
410 static struct omap_lcd_config h4_lcd_config __initdata = {
411 .ctrl_name = "internal",
414 static struct omap_usb_config h4_usb_config __initdata = {
415 #ifdef CONFIG_MACH_OMAP2_H4_USB1
416 /* NOTE: usb1 could also be used with 3 wire signaling */
420 #ifdef CONFIG_MACH_OMAP_H4_OTG
421 /* S1.10 ON -- USB OTG port
422 * usb0 switched to Mini-AB port and isp1301 transceiver;
423 * S2.POS3 = OFF, S2.POS4 = ON ... to allow battery charging
427 #ifdef CONFIG_USB_GADGET_OMAP
428 /* use OTG cable, or standard A-to-MiniB */
429 .hmc_mode = 0x14, /* 0:dev/otg 1:host 2:disable */
430 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
431 /* use OTG cable, or NONSTANDARD (B-to-MiniB) */
432 .hmc_mode = 0x11, /* 0:host 1:host 2:disable */
436 /* S1.10 OFF -- usb "download port"
437 * usb0 switched to Mini-B port and isp1105 transceiver;
438 * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging
442 /* .hmc_mode = 0x14,*/ /* 0:dev 1:host 2:disable */
443 .hmc_mode = 0x00, /* 0:dev|otg 1:disable 2:disable */
447 /* ----------------------------------------------------------------------- */
449 static struct tsc210x_config tsc_platform_data = {
451 .monitor = TSC_VBAT | TSC_TEMP,
452 /* REVISIT temp calibration data -- board-specific; from EEPROM? */
453 .mclk = "sys_clkout",
456 static struct spi_board_info h4_spi_board_info[] __initdata = {
458 .modalias = "tsc2101",
462 .irq = OMAP_GPIO_IRQ(93),
463 .max_speed_hz = 16000000,
464 .platform_data = &tsc_platform_data,
467 /* nCS1 -- to lcd board, but unused
468 * nCS2 -- to WLAN/miniPCI
472 /* ----------------------------------------------------------------------- */
474 static struct omap_board_config_kernel h4_config[] __initdata = {
475 { OMAP_TAG_UART, &h4_uart_config },
476 { OMAP_TAG_LCD, &h4_lcd_config },
479 #ifdef CONFIG_MACH_OMAP_H4_TUSB
481 #include <linux/usb/musb.h>
483 static struct musb_hdrc_platform_data tusb_data = {
485 .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
487 /* 1.8V supplied by Menelaus, other voltages supplied by VBAT;
492 static void __init tusb_evm_setup(void)
494 static char announce[] __initdata =
495 KERN_INFO "TUSB 6010 EVM\n";
497 unsigned dmachan = 0;
499 /* There are at least 32 different combinations of boards that
500 * are loosely called "H4", with a 2420 ... different OMAP chip
501 * revisions (with pin mux changes for DMAREQ, GPMC errata, etc),
502 * modifications of the CPU board, mainboard, EVM, TUSB etc.
503 * Plus omap2422, omap2423, etc.
505 * So you might need to tweak this setup to make the TUSB EVM
506 * behave on your particular setup ...
509 /* Already set up: GPMC AD[0..15], CLK, nOE, nWE, nADV_ALE */
510 omap_cfg_reg(E2_GPMC_NCS2);
511 omap_cfg_reg(L2_GPMC_NCS7);
512 omap_cfg_reg(M1_GPMC_WAIT2);
514 switch ((omap_rev() >> 8) & 0x0f) {
517 /* Assume early board revision without optional ES2.0
518 * rework to swap J15 & AA10 so DMAREQ0 works
520 omap_cfg_reg(AA10_242X_GPIO13);
522 /* omap_cfg_reg(J15_24XX_DMAREQ0); */
525 /* Later Menelaus boards can support all 6 DMA request
526 * lines, at the price of boot flash A23-A26.
528 omap_cfg_reg(J15_24XX_GPIO99);
530 dmachan = (1 << 1) | (1 << 0);
531 #if !(defined(CONFIG_MTD_OMAP_NOR) || defined(CONFIG_MTD_OMAP_NOR_MODULE))
532 dmachan |= (1 << 5) | (1 << 4) (1 << 3) | (1 << 2);
537 if (tusb6010_setup_interface(&tusb_data,
538 TUSB6010_REFCLK_24, /* waitpin */ 2,
539 /* async cs */ 2, /* sync cs */ 7,
546 #if defined(CONFIG_VIDEO_OV9640) || defined(CONFIG_VIDEO_OV9640_MODULE)
548 * Common OV9640 register initialization for all image sizes, pixel formats,
551 const static struct ov9640_reg ov9640_common[] = {
552 { 0x12, 0x80 }, { 0x11, 0x80 }, { 0x13, 0x8F }, /* COM7, CLKRC, COM8 */
553 { 0x01, 0x80 }, { 0x02, 0x80 }, { 0x04, 0x00 }, /* BLUE, RED, COM1 */
554 { 0x0E, 0x81 }, { 0x0F, 0x4F }, { 0x14, 0x4A }, /* COM5, COM6, COM9 */
555 { 0x16, 0x02 }, { 0x1B, 0x01 }, { 0x24, 0x70 }, /* ?, PSHFT, AEW */
556 { 0x25, 0x68 }, { 0x26, 0xD3 }, { 0x27, 0x90 }, /* AEB, VPT, BBIAS */
557 { 0x2A, 0x00 }, { 0x2B, 0x00 }, { 0x32, 0x24 }, /* EXHCH, EXHCL, HREF */
558 { 0x33, 0x02 }, { 0x37, 0x02 }, { 0x38, 0x13 }, /* CHLF, ADC, ACOM */
559 { 0x39, 0xF0 }, { 0x3A, 0x00 }, { 0x3B, 0x01 }, /* OFON, TSLB, COM11 */
560 { 0x3D, 0x90 }, { 0x3E, 0x02 }, { 0x3F, 0xF2 }, /* COM13, COM14, EDGE */
561 { 0x41, 0x02 }, { 0x42, 0xC8 }, /* COM16, COM17 */
562 { 0x43, 0xF0 }, { 0x44, 0x10 }, { 0x45, 0x6C }, /* ?, ?, ? */
563 { 0x46, 0x6C }, { 0x47, 0x44 }, { 0x48, 0x44 }, /* ?, ?, ? */
564 { 0x49, 0x03 }, { 0x59, 0x49 }, { 0x5A, 0x94 }, /* ?, ?, ? */
565 { 0x5B, 0x46 }, { 0x5C, 0x84 }, { 0x5D, 0x5C }, /* ?, ?, ? */
566 { 0x5E, 0x08 }, { 0x5F, 0x00 }, { 0x60, 0x14 }, /* ?, ?, ? */
567 { 0x61, 0xCE }, /* ? */
568 { 0x62, 0x70 }, { 0x63, 0x00 }, { 0x64, 0x04 }, /* LCC1, LCC2, LCC3 */
569 { 0x65, 0x00 }, { 0x66, 0x00 }, /* LCC4, LCC5 */
570 { 0x69, 0x00 }, { 0x6A, 0x3E }, { 0x6B, 0x3F }, /* HV, MBD, DBLV */
571 { 0x6C, 0x40 }, { 0x6D, 0x30 }, { 0x6E, 0x4B }, /* GSP1, GSP2, GSP3 */
572 { 0x6F, 0x60 }, { 0x70, 0x70 }, { 0x71, 0x70 }, /* GSP4, GSP5, GSP6 */
573 { 0x72, 0x70 }, { 0x73, 0x70 }, { 0x74, 0x60 }, /* GSP7, GSP8, GSP9 */
574 { 0x75, 0x60 }, { 0x76, 0x50 }, { 0x77, 0x48 }, /* GSP10,GSP11,GSP12 */
575 { 0x78, 0x3A }, { 0x79, 0x2E }, { 0x7A, 0x28 }, /* GSP13,GSP14,GSP15 */
576 { 0x7B, 0x22 }, { 0x7C, 0x04 }, { 0x7D, 0x07 }, /* GSP16,GST1, GST2 */
577 { 0x7E, 0x10 }, { 0x7F, 0x28 }, { 0x80, 0x36 }, /* GST3, GST4, GST5 */
578 { 0x81, 0x44 }, { 0x82, 0x52 }, { 0x83, 0x60 }, /* GST6, GST7, GST8 */
579 { 0x84, 0x6C }, { 0x85, 0x78 }, { 0x86, 0x8C }, /* GST9, GST10,GST11 */
580 { 0x87, 0x9E }, { 0x88, 0xBB }, { 0x89, 0xD2 }, /* GST12,GST13,GST14 */
581 { 0x8A, 0xE6 }, { 0x13, 0x8F }, { 0x00, 0x7F }, /* GST15, COM8 */
582 { OV9640_REG_TERM, OV9640_VAL_TERM }
585 static int ov9640_sensor_power_set(int power)
587 /* power up the sensor? */
588 gpio_set_value_cansleep(H4_GPIO_CAM_MODULE_EN, power);
590 /* take it out of reset if it's not powered */
591 gpio_direction_output(H4_GPIO_CAM_RST, !power);
596 static struct v4l2_ifparm ifparm = {
597 .if_type = V4L2_IF_TYPE_BT656,
600 .frame_start_on_rising_vs = 1,
602 .mode = V4L2_IF_TYPE_BT656_MODE_NOBT_8BIT,
603 .clock_min = OV9640_XCLK_MIN,
604 .clock_max = OV9640_XCLK_MAX,
609 static int ov9640_ifparm(struct v4l2_ifparm *p)
616 static struct ov9640_platform_data h4_ov9640_platform_data = {
617 .power_set = ov9640_sensor_power_set,
618 .default_regs = ov9640_common,
619 .ifparm = ov9640_ifparm,
624 /* leave LCD powered off unless it will be used */
625 #if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
626 #define LCD_ENABLED true
628 #define LCD_ENABLED false
631 static struct gpio_led backlight_leds[] = {
634 .default_trigger = "backlight",
635 .gpio = H4_GPIO_LCD_ENBKL,
640 static struct gpio_led_platform_data backlight_led_data = {
642 .leds = backlight_leds,
645 static struct platform_device h4_backlight_device = {
648 .dev.platform_data = &backlight_led_data,
652 u191_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *context)
654 /* P0 = IRDA control, FIR/MIR vs SIR */
655 gpio_request(H4_GPIO_IRDA_FIRSEL, "irda_firsel");
656 gpio_direction_output(H4_GPIO_IRDA_FIRSEL, false);
658 /* P3 = camera sensor module PWDN */
659 gpio_request(H4_GPIO_CAM_MODULE_EN, "camera_en");
660 gpio_direction_output(H4_GPIO_CAM_MODULE_EN, false);
662 /* P7 = LCD_ENVDD ... controls power to LCD (including backlight)
663 * P5 = LCD_ENBKL ... switches backlight
665 gpio_request(H4_GPIO_LCD_ENVDD, "lcd_power");
666 gpio_direction_output(H4_GPIO_LCD_ENVDD, LCD_ENABLED);
668 h4_backlight_device.dev.parent = &client->dev;
669 platform_device_register(&h4_backlight_device);
672 /* P6 = AUDIO_ENVDD ... switch power to microphone */
673 gpio_request(H4_GPIO_AUDIO_ENVDD, "audio_power");
674 gpio_direction_output(H4_GPIO_AUDIO_ENVDD, true);
680 static struct pcf857x_platform_data u191_platform_data = {
681 .gpio_base = H4_U191_GPIO_BASE,
686 u192_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *context)
688 gpio_request(H4_GPIO_IRDA_AGPSn, "irda/agps");
689 gpio_direction_output(H4_GPIO_IRDA_AGPSn, false);
694 static struct pcf857x_platform_data u192_platform_data = {
695 .gpio_base = H4_U192_GPIO_BASE,
700 u193_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *context)
703 gpio_request(H4_GPIO_CAM_RST, "camera_rst");
704 gpio_direction_output(H4_GPIO_CAM_RST, true);
709 static struct pcf857x_platform_data u193_platform_data = {
710 .gpio_base = H4_U193_GPIO_BASE,
714 static struct at24_platform_data m24c01 = {
715 .byte_len = SZ_1K / 8,
719 static struct i2c_board_info __initdata h4_i2c_board_info[] = {
721 I2C_BOARD_INFO("pcf8574", 0x20),
722 .platform_data = &u191_platform_data,
725 I2C_BOARD_INFO("pcf8574", 0x21),
726 .platform_data = &u192_platform_data,
729 I2C_BOARD_INFO("pcf8574", 0x22),
730 .platform_data = &u193_platform_data,
733 I2C_BOARD_INFO("rv5c387a", 0x32),
734 /* no IRQ wired to OMAP; nINTB goes to AGPS */
737 I2C_BOARD_INFO("menelaus", 0x72),
738 .irq = INT_24XX_SYS_NIRQ,
741 I2C_BOARD_INFO("isp1301_omap", 0x2d),
742 .irq = OMAP_GPIO_IRQ(125),
744 #if defined(CONFIG_VIDEO_OV9640) || defined(CONFIG_VIDEO_OV9640_MODULE)
746 I2C_BOARD_INFO("ov9640", 0x30),
747 .platform_data = &h4_ov9640_platform_data,
750 { /* EEPROM on mainboard */
751 I2C_BOARD_INFO("24c01", 0x52),
752 .platform_data = &m24c01,
754 { /* EEPROM on cpu card */
755 I2C_BOARD_INFO("24c01", 0x57),
756 .platform_data = &m24c01,
760 static void __init omap_h4_init(void)
763 * Make sure the serial ports are muxed on at this point.
764 * You have to mux them off in device drivers later on
767 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
768 omap_cfg_reg(K15_24XX_UART3_TX);
769 omap_cfg_reg(K14_24XX_UART3_RX);
772 #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
773 if (omap_has_menelaus()) {
780 #ifdef CONFIG_MACH_OMAP2_H4_USB1
781 /* S3.3 controls whether these pins are for UART2 or USB1 */
782 omap_cfg_reg(N14_24XX_USB1_SE0);
783 omap_cfg_reg(P15_24XX_USB1_DAT);
784 omap_cfg_reg(W20_24XX_USB1_TXEN);
785 omap_cfg_reg(V19_24XX_USB1_RCV);
788 /* Menelaus interrupt */
789 omap_cfg_reg(W19_24XX_SYS_NIRQ);
791 platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
792 omap_board_config = h4_config;
793 omap_board_config_size = ARRAY_SIZE(h4_config);
795 omap_usb_init(&h4_usb_config);
797 omap_register_i2c_bus(1, 100, h4_i2c_board_info,
798 ARRAY_SIZE(h4_i2c_board_info));
800 /* smc91x, debug leds, ps/2, extra uarts */
803 #ifdef CONFIG_MACH_OMAP_H4_TUSB
807 /* defaults seem ok for:
808 * omap_cfg_reg(U18_24XX_SPI1_SCK);
809 * omap_cfg_reg(V20_24XX_SPI1_MOSI);
810 * omap_cfg_reg(T18_24XX_SPI1_MISO);
811 * omap_cfg_reg(U19_24XX_SPI1_NCS0);
815 omap_cfg_reg(P20_24XX_GPIO93);
816 gpio_request(93, "tsc_irq");
817 gpio_direction_input(93);
819 omap_cfg_reg(W14_24XX_SYS_CLKOUT); /* mclk */
820 /* defaults seem ok for:
821 * omap_cfg_reg(Y15_EAC_AC_SCLK); // bclk
822 * omap_cfg_reg(R14_EAC_AC_FS);
823 * omap_cfg_reg(V15_EAC_AC_DOUT);
824 * omap_cfg_reg(W15_EAC_AC_DIN);
827 spi_register_board_info(h4_spi_board_info,
828 ARRAY_SIZE(h4_spi_board_info));
831 static void __init omap_h4_map_io(void)
833 omap2_set_globals_242x();
834 omap2_map_common_io();
837 MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
838 /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
839 .phys_io = 0x48000000,
840 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
841 .boot_params = 0x80000100,
842 .map_io = omap_h4_map_io,
843 .init_irq = omap_h4_init_irq,
844 .init_machine = omap_h4_init,
845 .timer = &omap_timer,