2 * linux/arch/arm/mach-omap2/board-omap3evm.c
4 * Copyright (C) 2008 Guangzhou EMA-Tech
6 * Modified from mach-omap2/board-omap3evm.c
8 * Initial code: Syed Mohammed Khasim
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/regulator/machine.h>
28 #include <linux/i2c/twl.h>
29 #include <linux/mmc/host.h>
31 #include <mach/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 #include <asm/mach/flash.h>
37 #include <plat/board.h>
38 #include <plat/common.h>
39 #include <plat/gpmc.h>
40 #include <plat/nand.h>
42 #include <plat/display.h>
43 #include <plat/panel-generic-dpi.h>
45 #include <plat/mcspi.h>
46 #include <linux/input/matrix_keypad.h>
47 #include <linux/spi/spi.h>
48 #include <linux/interrupt.h>
49 #include <linux/smsc911x.h>
50 #include <linux/i2c/at24.h>
52 #include "sdram-micron-mt46h32m32lf-6.h"
56 #include "common-board-devices.h"
58 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
59 #include <plat/gpmc-smsc911x.h>
61 #define OMAP3STALKER_ETHR_START 0x2c000000
62 #define OMAP3STALKER_ETHR_SIZE 1024
63 #define OMAP3STALKER_ETHR_GPIO_IRQ 19
64 #define OMAP3STALKER_SMC911X_CS 5
66 static struct omap_smsc911x_platform_data smsc911x_cfg = {
67 .cs = OMAP3STALKER_SMC911X_CS,
68 .gpio_irq = OMAP3STALKER_ETHR_GPIO_IRQ,
69 .gpio_reset = -EINVAL,
70 .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
73 static inline void __init omap3stalker_init_eth(void)
78 l3ck = clk_get(NULL, "l3_ck");
82 rate = clk_get_rate(l3ck);
84 omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
85 gpmc_smsc911x_init(&smsc911x_cfg);
89 static inline void __init omap3stalker_init_eth(void)
96 * OMAP3 DSS control signals
99 #define DSS_ENABLE_GPIO 199
100 #define LCD_PANEL_BKLIGHT_GPIO 210
101 #define ENABLE_VPLL2_DEV_GRP 0xE0
103 static int lcd_enabled;
104 static int dvi_enabled;
106 static void __init omap3_stalker_display_init(void)
111 static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
114 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
117 gpio_set_value(DSS_ENABLE_GPIO, 1);
118 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
123 static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
125 gpio_set_value(DSS_ENABLE_GPIO, 0);
126 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
130 static struct panel_generic_dpi_data lcd_panel = {
132 .platform_enable = omap3_stalker_enable_lcd,
133 .platform_disable = omap3_stalker_disable_lcd,
136 static struct omap_dss_device omap3_stalker_lcd_device = {
138 .driver_name = "generic_dpi_panel",
140 .phy.dpi.data_lines = 24,
141 .type = OMAP_DISPLAY_TYPE_DPI,
144 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
149 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
153 static struct omap_dss_device omap3_stalker_tv_device = {
155 .driver_name = "venc",
156 .type = OMAP_DISPLAY_TYPE_VENC,
157 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
158 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
159 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
160 .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE,
162 .platform_enable = omap3_stalker_enable_tv,
163 .platform_disable = omap3_stalker_disable_tv,
166 static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
169 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
172 gpio_set_value(DSS_ENABLE_GPIO, 1);
177 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
179 gpio_set_value(DSS_ENABLE_GPIO, 0);
183 static struct panel_generic_dpi_data dvi_panel = {
185 .platform_enable = omap3_stalker_enable_dvi,
186 .platform_disable = omap3_stalker_disable_dvi,
189 static struct omap_dss_device omap3_stalker_dvi_device = {
191 .type = OMAP_DISPLAY_TYPE_DPI,
192 .driver_name = "generic_dpi_panel",
194 .phy.dpi.data_lines = 24,
197 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
198 &omap3_stalker_lcd_device,
199 &omap3_stalker_tv_device,
200 &omap3_stalker_dvi_device,
203 static struct omap_dss_board_info omap3_stalker_dss_data = {
204 .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices),
205 .devices = omap3_stalker_dss_devices,
206 .default_device = &omap3_stalker_dvi_device,
209 static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
213 static struct regulator_consumer_supply omap3stalker_vsim_supply = {
214 .supply = "vmmc_aux",
217 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
218 static struct regulator_init_data omap3stalker_vmmc1 = {
222 .valid_modes_mask = REGULATOR_MODE_NORMAL
223 | REGULATOR_MODE_STANDBY,
224 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
225 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
227 .num_consumer_supplies = 1,
228 .consumer_supplies = &omap3stalker_vmmc1_supply,
231 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
232 static struct regulator_init_data omap3stalker_vsim = {
236 .valid_modes_mask = REGULATOR_MODE_NORMAL
237 | REGULATOR_MODE_STANDBY,
238 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
239 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
241 .num_consumer_supplies = 1,
242 .consumer_supplies = &omap3stalker_vsim_supply,
245 static struct omap2_hsmmc_info mmc[] = {
248 .caps = MMC_CAP_4_BIT_DATA,
255 static struct gpio_keys_button gpio_buttons[] = {
264 static struct gpio_keys_platform_data gpio_key_info = {
265 .buttons = gpio_buttons,
266 .nbuttons = ARRAY_SIZE(gpio_buttons),
269 static struct platform_device keys_gpio = {
273 .platform_data = &gpio_key_info,
277 static struct gpio_led gpio_leds[] = {
279 .name = "stalker:D8:usr0",
280 .default_trigger = "default-on",
284 .name = "stalker:D9:usr1",
285 .default_trigger = "default-on",
289 .name = "stalker:D3:mmc0",
290 .gpio = -EINVAL, /* gets replaced */
292 .default_trigger = "mmc0",
295 .name = "stalker:D4:heartbeat",
296 .gpio = -EINVAL, /* gets replaced */
298 .default_trigger = "heartbeat",
302 static struct gpio_led_platform_data gpio_led_info = {
304 .num_leds = ARRAY_SIZE(gpio_leds),
307 static struct platform_device leds_gpio = {
311 .platform_data = &gpio_led_info,
316 omap3stalker_twl_gpio_setup(struct device *dev,
317 unsigned gpio, unsigned ngpio)
319 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
320 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
321 mmc[0].gpio_cd = gpio + 0;
322 omap2_hsmmc_init(mmc);
324 /* link regulators to MMC adapters */
325 omap3stalker_vmmc1_supply.dev = mmc[0].dev;
326 omap3stalker_vsim_supply.dev = mmc[0].dev;
329 * Most GPIOs are for USB OTG. Some are mostly sent to
330 * the P2 connector; notably LEDA for the LCD backlight.
333 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
334 gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
335 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
337 /* gpio + 7 == DVI Enable */
338 gpio_request(gpio + 7, "EN_DVI");
339 gpio_direction_output(gpio + 7, 0);
341 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
342 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
343 /* GPIO + 13 == ledsync (out, heartbeat) */
344 gpio_leds[3].gpio = gpio + 13;
346 platform_device_register(&leds_gpio);
350 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
351 .gpio_base = OMAP_MAX_GPIO_LINES,
352 .irq_base = TWL4030_GPIO_IRQ_BASE,
353 .irq_end = TWL4030_GPIO_IRQ_END,
355 .setup = omap3stalker_twl_gpio_setup,
358 static struct twl4030_usb_data omap3stalker_usb_data = {
359 .usb_mode = T2_USB_MODE_ULPI,
362 static uint32_t board_keymap[] = {
365 KEY(0, 2, KEY_ENTER),
368 KEY(1, 0, KEY_RIGHT),
384 static struct matrix_keymap_data board_map_data = {
385 .keymap = board_keymap,
386 .keymap_size = ARRAY_SIZE(board_keymap),
389 static struct twl4030_keypad_data omap3stalker_kp_data = {
390 .keymap_data = &board_map_data,
396 static struct twl4030_madc_platform_data omap3stalker_madc_data = {
400 static struct twl4030_codec_audio_data omap3stalker_audio_data;
402 static struct twl4030_codec_data omap3stalker_codec_data = {
403 .audio_mclk = 26000000,
404 .audio = &omap3stalker_audio_data,
407 static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply =
408 REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
410 /* VDAC for DSS driving S-Video */
411 static struct regulator_init_data omap3_stalker_vdac = {
416 .valid_modes_mask = REGULATOR_MODE_NORMAL
417 | REGULATOR_MODE_STANDBY,
418 .valid_ops_mask = REGULATOR_CHANGE_MODE
419 | REGULATOR_CHANGE_STATUS,
421 .num_consumer_supplies = 1,
422 .consumer_supplies = &omap3_stalker_vdda_dac_supply,
425 /* VPLL2 for digital video outputs */
426 static struct regulator_consumer_supply omap3_stalker_vpll2_supplies[] = {
427 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
428 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
431 static struct regulator_init_data omap3_stalker_vpll2 = {
437 .valid_modes_mask = REGULATOR_MODE_NORMAL
438 | REGULATOR_MODE_STANDBY,
439 .valid_ops_mask = REGULATOR_CHANGE_MODE
440 | REGULATOR_CHANGE_STATUS,
442 .num_consumer_supplies = ARRAY_SIZE(omap3_stalker_vpll2_supplies),
443 .consumer_supplies = omap3_stalker_vpll2_supplies,
446 static struct twl4030_platform_data omap3stalker_twldata = {
447 .irq_base = TWL4030_IRQ_BASE,
448 .irq_end = TWL4030_IRQ_END,
450 /* platform_data for children goes here */
451 .keypad = &omap3stalker_kp_data,
452 .madc = &omap3stalker_madc_data,
453 .usb = &omap3stalker_usb_data,
454 .gpio = &omap3stalker_gpio_data,
455 .codec = &omap3stalker_codec_data,
456 .vdac = &omap3_stalker_vdac,
457 .vpll2 = &omap3_stalker_vpll2,
458 .vmmc1 = &omap3stalker_vmmc1,
459 .vsim = &omap3stalker_vsim,
462 static struct at24_platform_data fram_info = {
463 .byte_len = (64 * 1024) / 8,
465 .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
468 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
470 I2C_BOARD_INFO("24c64", 0x50),
471 .flags = I2C_CLIENT_WAKE,
472 .platform_data = &fram_info,
476 static int __init omap3_stalker_i2c_init(void)
478 omap3_pmic_init("twl4030", &omap3stalker_twldata);
479 omap_register_i2c_bus(2, 400, NULL, 0);
480 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
481 ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
485 #define OMAP3_STALKER_TS_GPIO 175
487 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
490 static void __init omap3_stalker_init_early(void)
492 omap2_init_common_infrastructure();
493 omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
496 static void __init omap3_stalker_init_irq(void)
499 #ifdef CONFIG_OMAP_32K_TIMER
500 omap2_gp_clockevent_set_gptimer(12);
504 static struct platform_device *omap3_stalker_devices[] __initdata = {
508 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
509 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
510 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
511 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
514 .reset_gpio_port[0] = -EINVAL,
515 .reset_gpio_port[1] = 21,
516 .reset_gpio_port[2] = -EINVAL,
519 #ifdef CONFIG_OMAP_MUX
520 static struct omap_board_mux board_mux[] __initdata = {
521 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
522 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
523 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
524 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
525 {.reg_offset = OMAP_MUX_TERMINATOR},
529 static struct omap_musb_board_data musb_board_data = {
530 .interface_type = MUSB_INTERFACE_ULPI,
535 static void __init omap3_stalker_init(void)
537 omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
538 omap_board_config = omap3_stalker_config;
539 omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
541 omap3_stalker_i2c_init();
543 platform_add_devices(omap3_stalker_devices,
544 ARRAY_SIZE(omap3_stalker_devices));
546 omap_display_init(&omap3_stalker_dss_data);
549 usb_musb_init(&musb_board_data);
550 usbhs_init(&usbhs_bdata);
551 omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
553 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
554 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
556 omap3stalker_init_eth();
557 omap3_stalker_display_init();
558 /* Ensure SDRC pins are mux'd for self-refresh */
559 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
560 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
563 MACHINE_START(SBC3530, "OMAP3 STALKER")
564 /* Maintainer: Jason Lam -lzg@ema-tech.com */
565 .boot_params = 0x80000100,
566 .map_io = omap3_map_io,
567 .init_early = omap3_stalker_init_early,
568 .init_irq = omap3_stalker_init_irq,
569 .init_machine = omap3_stalker_init,
570 .timer = &omap_timer,