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 <video/omapdss.h>
43 #include <video/omap-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"
55 #include "common-board-devices.h"
57 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
58 #include <plat/gpmc-smsc911x.h>
60 #define OMAP3STALKER_ETHR_START 0x2c000000
61 #define OMAP3STALKER_ETHR_SIZE 1024
62 #define OMAP3STALKER_ETHR_GPIO_IRQ 19
63 #define OMAP3STALKER_SMC911X_CS 5
65 static struct omap_smsc911x_platform_data smsc911x_cfg = {
66 .cs = OMAP3STALKER_SMC911X_CS,
67 .gpio_irq = OMAP3STALKER_ETHR_GPIO_IRQ,
68 .gpio_reset = -EINVAL,
69 .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
72 static inline void __init omap3stalker_init_eth(void)
77 l3ck = clk_get(NULL, "l3_ck");
81 rate = clk_get_rate(l3ck);
83 omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
84 gpmc_smsc911x_init(&smsc911x_cfg);
88 static inline void __init omap3stalker_init_eth(void)
95 * OMAP3 DSS control signals
98 #define DSS_ENABLE_GPIO 199
99 #define LCD_PANEL_BKLIGHT_GPIO 210
100 #define ENABLE_VPLL2_DEV_GRP 0xE0
102 static int lcd_enabled;
103 static int dvi_enabled;
105 static void __init omap3_stalker_display_init(void)
110 static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
113 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
116 gpio_set_value(DSS_ENABLE_GPIO, 1);
117 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
122 static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
124 gpio_set_value(DSS_ENABLE_GPIO, 0);
125 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
129 static struct panel_generic_dpi_data lcd_panel = {
131 .platform_enable = omap3_stalker_enable_lcd,
132 .platform_disable = omap3_stalker_disable_lcd,
135 static struct omap_dss_device omap3_stalker_lcd_device = {
137 .driver_name = "generic_dpi_panel",
139 .phy.dpi.data_lines = 24,
140 .type = OMAP_DISPLAY_TYPE_DPI,
143 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
148 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
152 static struct omap_dss_device omap3_stalker_tv_device = {
154 .driver_name = "venc",
155 .type = OMAP_DISPLAY_TYPE_VENC,
156 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
157 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
158 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
159 .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE,
161 .platform_enable = omap3_stalker_enable_tv,
162 .platform_disable = omap3_stalker_disable_tv,
165 static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
168 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
171 gpio_set_value(DSS_ENABLE_GPIO, 1);
176 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
178 gpio_set_value(DSS_ENABLE_GPIO, 0);
182 static struct panel_generic_dpi_data dvi_panel = {
184 .platform_enable = omap3_stalker_enable_dvi,
185 .platform_disable = omap3_stalker_disable_dvi,
188 static struct omap_dss_device omap3_stalker_dvi_device = {
190 .type = OMAP_DISPLAY_TYPE_DPI,
191 .driver_name = "generic_dpi_panel",
193 .phy.dpi.data_lines = 24,
196 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
197 &omap3_stalker_lcd_device,
198 &omap3_stalker_tv_device,
199 &omap3_stalker_dvi_device,
202 static struct omap_dss_board_info omap3_stalker_dss_data = {
203 .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices),
204 .devices = omap3_stalker_dss_devices,
205 .default_device = &omap3_stalker_dvi_device,
208 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
209 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
212 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
213 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
216 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
217 static struct regulator_init_data omap3stalker_vmmc1 = {
221 .valid_modes_mask = REGULATOR_MODE_NORMAL
222 | REGULATOR_MODE_STANDBY,
223 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
224 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
226 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vmmc1_supply),
227 .consumer_supplies = omap3stalker_vmmc1_supply,
230 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
231 static struct regulator_init_data omap3stalker_vsim = {
235 .valid_modes_mask = REGULATOR_MODE_NORMAL
236 | REGULATOR_MODE_STANDBY,
237 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
238 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
240 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vsim_supply),
241 .consumer_supplies = omap3stalker_vsim_supply,
244 static struct omap2_hsmmc_info mmc[] = {
247 .caps = MMC_CAP_4_BIT_DATA,
254 static struct gpio_keys_button gpio_buttons[] = {
263 static struct gpio_keys_platform_data gpio_key_info = {
264 .buttons = gpio_buttons,
265 .nbuttons = ARRAY_SIZE(gpio_buttons),
268 static struct platform_device keys_gpio = {
272 .platform_data = &gpio_key_info,
276 static struct gpio_led gpio_leds[] = {
278 .name = "stalker:D8:usr0",
279 .default_trigger = "default-on",
283 .name = "stalker:D9:usr1",
284 .default_trigger = "default-on",
288 .name = "stalker:D3:mmc0",
289 .gpio = -EINVAL, /* gets replaced */
291 .default_trigger = "mmc0",
294 .name = "stalker:D4:heartbeat",
295 .gpio = -EINVAL, /* gets replaced */
297 .default_trigger = "heartbeat",
301 static struct gpio_led_platform_data gpio_led_info = {
303 .num_leds = ARRAY_SIZE(gpio_leds),
306 static struct platform_device leds_gpio = {
310 .platform_data = &gpio_led_info,
315 omap3stalker_twl_gpio_setup(struct device *dev,
316 unsigned gpio, unsigned ngpio)
318 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
319 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
320 mmc[0].gpio_cd = gpio + 0;
321 omap2_hsmmc_init(mmc);
324 * Most GPIOs are for USB OTG. Some are mostly sent to
325 * the P2 connector; notably LEDA for the LCD backlight.
328 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
329 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
332 /* gpio + 7 == DVI Enable */
333 gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
335 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
336 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
337 /* GPIO + 13 == ledsync (out, heartbeat) */
338 gpio_leds[3].gpio = gpio + 13;
340 platform_device_register(&leds_gpio);
344 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
345 .gpio_base = OMAP_MAX_GPIO_LINES,
346 .irq_base = TWL4030_GPIO_IRQ_BASE,
347 .irq_end = TWL4030_GPIO_IRQ_END,
349 .setup = omap3stalker_twl_gpio_setup,
352 static uint32_t board_keymap[] = {
355 KEY(0, 2, KEY_ENTER),
358 KEY(1, 0, KEY_RIGHT),
374 static struct matrix_keymap_data board_map_data = {
375 .keymap = board_keymap,
376 .keymap_size = ARRAY_SIZE(board_keymap),
379 static struct twl4030_keypad_data omap3stalker_kp_data = {
380 .keymap_data = &board_map_data,
386 static struct twl4030_platform_data omap3stalker_twldata = {
387 /* platform_data for children goes here */
388 .keypad = &omap3stalker_kp_data,
389 .gpio = &omap3stalker_gpio_data,
390 .vmmc1 = &omap3stalker_vmmc1,
391 .vsim = &omap3stalker_vsim,
394 static struct at24_platform_data fram_info = {
395 .byte_len = (64 * 1024) / 8,
397 .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
400 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
402 I2C_BOARD_INFO("24c64", 0x50),
403 .flags = I2C_CLIENT_WAKE,
404 .platform_data = &fram_info,
408 static int __init omap3_stalker_i2c_init(void)
410 omap3_pmic_get_config(&omap3stalker_twldata,
411 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
412 TWL_COMMON_PDATA_AUDIO,
413 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
415 omap3stalker_twldata.vdac->constraints.apply_uV = true;
416 omap3stalker_twldata.vpll2->constraints.apply_uV = true;
417 omap3stalker_twldata.vpll2->constraints.name = "VDVI";
419 omap3_pmic_init("twl4030", &omap3stalker_twldata);
420 omap_register_i2c_bus(2, 400, NULL, 0);
421 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
422 ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
426 #define OMAP3_STALKER_TS_GPIO 175
428 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
431 static void __init omap3_stalker_init_early(void)
433 omap2_init_common_infrastructure();
434 omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
437 static void __init omap3_stalker_init_irq(void)
442 static struct platform_device *omap3_stalker_devices[] __initdata = {
446 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
447 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
448 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
449 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
452 .reset_gpio_port[0] = -EINVAL,
453 .reset_gpio_port[1] = 21,
454 .reset_gpio_port[2] = -EINVAL,
457 #ifdef CONFIG_OMAP_MUX
458 static struct omap_board_mux board_mux[] __initdata = {
459 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
460 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
461 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
462 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
463 {.reg_offset = OMAP_MUX_TERMINATOR},
467 static void __init omap3_stalker_init(void)
469 omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
470 omap_board_config = omap3_stalker_config;
471 omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
473 omap3_stalker_i2c_init();
475 platform_add_devices(omap3_stalker_devices,
476 ARRAY_SIZE(omap3_stalker_devices));
478 omap_display_init(&omap3_stalker_dss_data);
482 usbhs_init(&usbhs_bdata);
483 omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
485 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
486 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
488 omap3stalker_init_eth();
489 omap3_stalker_display_init();
490 /* Ensure SDRC pins are mux'd for self-refresh */
491 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
492 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
495 MACHINE_START(SBC3530, "OMAP3 STALKER")
496 /* Maintainer: Jason Lam -lzg@ema-tech.com */
497 .boot_params = 0x80000100,
498 .map_io = omap3_map_io,
499 .init_early = omap3_stalker_init_early,
500 .init_irq = omap3_stalker_init_irq,
501 .init_machine = omap3_stalker_init,
502 .timer = &omap3_secure_timer,