2 * linux/arch/arm/mach-omap2/board-omap3touchbook.c
4 * Copyright (C) 2009 Always Innovating
6 * Modified from mach-omap2/board-omap3beagleboard.c
8 * Initial code: Grégoire Gentil, Tim Yamin
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/err.h>
20 #include <linux/clk.h>
22 #include <linux/leds.h>
23 #include <linux/gpio.h>
24 #include <linux/input.h>
25 #include <linux/gpio_keys.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/mtd/nand.h>
30 #include <linux/mmc/host.h>
32 #include <plat/mcspi.h>
33 #include <linux/spi/spi.h>
35 #include <linux/spi/ads7846.h>
37 #include <linux/regulator/machine.h>
38 #include <linux/i2c/twl.h>
40 #include <mach/hardware.h>
41 #include <asm/mach-types.h>
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/flash.h>
46 #include <plat/board.h>
47 #include <plat/common.h>
48 #include <plat/gpmc.h>
49 #include <plat/nand.h>
55 #include "common-board-devices.h"
57 #include <asm/setup.h>
59 #define NAND_BLOCK_SIZE SZ_128K
61 #define OMAP3_AC_GPIO 136
62 #define OMAP3_TS_GPIO 162
63 #define TB_BL_PWM_TIMER 9
64 #define TB_KILL_POWER_GPIO 168
66 static unsigned long touchbook_revision;
68 static struct mtd_partition omap3touchbook_nand_partitions[] = {
69 /* All the partition sizes are listed in terms of NAND block size */
73 .size = 4 * NAND_BLOCK_SIZE,
74 .mask_flags = MTD_WRITEABLE, /* force read-only */
78 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
79 .size = 15 * NAND_BLOCK_SIZE,
80 .mask_flags = MTD_WRITEABLE, /* force read-only */
84 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
85 .size = 1 * NAND_BLOCK_SIZE,
89 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
90 .size = 32 * NAND_BLOCK_SIZE,
93 .name = "File System",
94 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
95 .size = MTDPART_SIZ_FULL,
99 #include "sdram-micron-mt46h32m32lf-6.h"
101 static struct omap2_hsmmc_info mmc[] = {
104 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
110 static struct platform_device omap3_touchbook_lcd_device = {
111 .name = "omap3touchbook_lcd",
115 static struct omap_lcd_config omap3_touchbook_lcd_config __initdata = {
116 .ctrl_name = "internal",
119 static struct regulator_consumer_supply touchbook_vmmc1_supply = {
123 static struct regulator_consumer_supply touchbook_vsim_supply = {
124 .supply = "vmmc_aux",
127 static struct gpio_led gpio_leds[];
129 static int touchbook_twl_gpio_setup(struct device *dev,
130 unsigned gpio, unsigned ngpio)
132 if (system_rev >= 0x20 && system_rev <= 0x34301000) {
133 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
136 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
138 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
139 mmc[0].gpio_cd = gpio + 0;
140 omap2_hsmmc_init(mmc);
142 /* link regulators to MMC adapters */
143 touchbook_vmmc1_supply.dev = mmc[0].dev;
144 touchbook_vsim_supply.dev = mmc[0].dev;
146 /* REVISIT: need ehci-omap hooks for external VBUS
147 * power switch and overcurrent detect
150 gpio_request(gpio + 1, "EHCI_nOC");
151 gpio_direction_input(gpio + 1);
153 /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
154 gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
155 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
157 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
158 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
163 static struct twl4030_gpio_platform_data touchbook_gpio_data = {
164 .gpio_base = OMAP_MAX_GPIO_LINES,
165 .irq_base = TWL4030_GPIO_IRQ_BASE,
166 .irq_end = TWL4030_GPIO_IRQ_END,
169 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
170 | BIT(15) | BIT(16) | BIT(17),
171 .setup = touchbook_twl_gpio_setup,
174 static struct regulator_consumer_supply touchbook_vdac_supply = {
176 .dev = &omap3_touchbook_lcd_device.dev,
179 static struct regulator_consumer_supply touchbook_vdvi_supply = {
181 .dev = &omap3_touchbook_lcd_device.dev,
184 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
185 static struct regulator_init_data touchbook_vmmc1 = {
189 .valid_modes_mask = REGULATOR_MODE_NORMAL
190 | REGULATOR_MODE_STANDBY,
191 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
192 | REGULATOR_CHANGE_MODE
193 | REGULATOR_CHANGE_STATUS,
195 .num_consumer_supplies = 1,
196 .consumer_supplies = &touchbook_vmmc1_supply,
199 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
200 static struct regulator_init_data touchbook_vsim = {
204 .valid_modes_mask = REGULATOR_MODE_NORMAL
205 | REGULATOR_MODE_STANDBY,
206 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
207 | REGULATOR_CHANGE_MODE
208 | REGULATOR_CHANGE_STATUS,
210 .num_consumer_supplies = 1,
211 .consumer_supplies = &touchbook_vsim_supply,
214 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
215 static struct regulator_init_data touchbook_vdac = {
219 .valid_modes_mask = REGULATOR_MODE_NORMAL
220 | REGULATOR_MODE_STANDBY,
221 .valid_ops_mask = REGULATOR_CHANGE_MODE
222 | REGULATOR_CHANGE_STATUS,
224 .num_consumer_supplies = 1,
225 .consumer_supplies = &touchbook_vdac_supply,
228 /* VPLL2 for digital video outputs */
229 static struct regulator_init_data touchbook_vpll2 = {
234 .valid_modes_mask = REGULATOR_MODE_NORMAL
235 | REGULATOR_MODE_STANDBY,
236 .valid_ops_mask = REGULATOR_CHANGE_MODE
237 | REGULATOR_CHANGE_STATUS,
239 .num_consumer_supplies = 1,
240 .consumer_supplies = &touchbook_vdvi_supply,
243 static struct twl4030_usb_data touchbook_usb_data = {
244 .usb_mode = T2_USB_MODE_ULPI,
247 static struct twl4030_codec_audio_data touchbook_audio_data;
249 static struct twl4030_codec_data touchbook_codec_data = {
250 .audio_mclk = 26000000,
251 .audio = &touchbook_audio_data,
254 static struct twl4030_platform_data touchbook_twldata = {
255 .irq_base = TWL4030_IRQ_BASE,
256 .irq_end = TWL4030_IRQ_END,
258 /* platform_data for children goes here */
259 .usb = &touchbook_usb_data,
260 .gpio = &touchbook_gpio_data,
261 .codec = &touchbook_codec_data,
262 .vmmc1 = &touchbook_vmmc1,
263 .vsim = &touchbook_vsim,
264 .vdac = &touchbook_vdac,
265 .vpll2 = &touchbook_vpll2,
268 static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
270 I2C_BOARD_INFO("bq27200", 0x55),
274 static int __init omap3_touchbook_i2c_init(void)
276 /* Standard TouchBook bus */
277 omap3_pmic_init("twl4030", &touchbook_twldata);
279 /* Additional TouchBook bus */
280 omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
281 ARRAY_SIZE(touchBook_i2c_boardinfo));
286 static struct ads7846_platform_data ads7846_pdata = {
296 .gpio_pendown = OMAP3_TS_GPIO,
300 static struct gpio_led gpio_leds[] = {
302 .name = "touchbook::usr0",
303 .default_trigger = "heartbeat",
307 .name = "touchbook::usr1",
308 .default_trigger = "mmc0",
312 .name = "touchbook::pmu_stat",
313 .gpio = -EINVAL, /* gets replaced */
318 static struct gpio_led_platform_data gpio_led_info = {
320 .num_leds = ARRAY_SIZE(gpio_leds),
323 static struct platform_device leds_gpio = {
327 .platform_data = &gpio_led_info,
331 static struct gpio_keys_button gpio_buttons[] = {
346 static struct gpio_keys_platform_data gpio_key_info = {
347 .buttons = gpio_buttons,
348 .nbuttons = ARRAY_SIZE(gpio_buttons),
351 static struct platform_device keys_gpio = {
355 .platform_data = &gpio_key_info,
359 static struct omap_board_config_kernel omap3_touchbook_config[] __initdata = {
360 { OMAP_TAG_LCD, &omap3_touchbook_lcd_config },
363 #ifdef CONFIG_OMAP_MUX
364 static struct omap_board_mux board_mux[] __initdata = {
365 { .reg_offset = OMAP_MUX_TERMINATOR },
369 static void __init omap3_touchbook_init_early(void)
371 omap2_init_common_infrastructure();
372 omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
373 mt46h32m32lf6_sdrc_params);
376 static void __init omap3_touchbook_init_irq(void)
379 #ifdef CONFIG_OMAP_32K_TIMER
380 omap2_gp_clockevent_set_gptimer(12);
384 static struct platform_device *omap3_touchbook_devices[] __initdata = {
385 &omap3_touchbook_lcd_device,
390 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
392 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
393 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
394 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
397 .reset_gpio_port[0] = -EINVAL,
398 .reset_gpio_port[1] = 147,
399 .reset_gpio_port[2] = -EINVAL
402 static void omap3_touchbook_poweroff(void)
406 r = gpio_request(TB_KILL_POWER_GPIO, "DVI reset");
408 printk(KERN_ERR "Unable to get kill power GPIO\n");
412 gpio_direction_output(TB_KILL_POWER_GPIO, 0);
415 static int __init early_touchbook_revision(char *p)
420 return strict_strtoul(p, 10, &touchbook_revision);
422 early_param("tbr", early_touchbook_revision);
424 static struct omap_musb_board_data musb_board_data = {
425 .interface_type = MUSB_INTERFACE_ULPI,
430 static void __init omap3_touchbook_init(void)
432 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
433 omap_board_config = omap3_touchbook_config;
434 omap_board_config_size = ARRAY_SIZE(omap3_touchbook_config);
436 pm_power_off = omap3_touchbook_poweroff;
438 omap3_touchbook_i2c_init();
439 platform_add_devices(omap3_touchbook_devices,
440 ARRAY_SIZE(omap3_touchbook_devices));
443 omap_mux_init_gpio(170, OMAP_PIN_INPUT);
444 gpio_request(176, "DVI_nPD");
445 /* REVISIT leave DVI powered down until it's needed ... */
446 gpio_direction_output(176, true);
448 /* Touchscreen and accelerometer */
449 omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
450 usb_musb_init(&musb_board_data);
451 usbhs_init(&usbhs_bdata);
452 omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions,
453 ARRAY_SIZE(omap3touchbook_nand_partitions));
455 /* Ensure SDRC pins are mux'd for self-refresh */
456 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
457 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
460 MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
461 /* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */
462 .boot_params = 0x80000100,
463 .reserve = omap_reserve,
464 .map_io = omap3_map_io,
465 .init_early = omap3_touchbook_init_early,
466 .init_irq = omap3_touchbook_init_irq,
467 .init_machine = omap3_touchbook_init,
468 .timer = &omap_timer,