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/fixed.h>
28 #include <linux/regulator/machine.h>
29 #include <linux/i2c/twl.h>
30 #include <linux/mmc/host.h>
31 #include <linux/input/matrix_keypad.h>
32 #include <linux/spi/spi.h>
33 #include <linux/interrupt.h>
34 #include <linux/smsc911x.h>
35 #include <linux/i2c/at24.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/flash.h>
43 #include <plat/gpmc.h>
44 #include <linux/platform_data/mtd-nand-omap2.h>
46 #include <video/omapdss.h>
47 #include <video/omap-panel-generic-dpi.h>
48 #include <video/omap-panel-tfp410.h>
50 #include <linux/platform_data/spi-omap2-mcspi.h>
51 #include <linux/input/matrix_keypad.h>
52 #include <linux/spi/spi.h>
53 #include <linux/interrupt.h>
54 #include <linux/smsc911x.h>
55 #include <linux/i2c/at24.h>
57 #include "sdram-micron-mt46h32m32lf-6.h"
60 #include "common-board-devices.h"
62 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
63 #include "gpmc-smsc911x.h"
65 #define OMAP3STALKER_ETHR_START 0x2c000000
66 #define OMAP3STALKER_ETHR_SIZE 1024
67 #define OMAP3STALKER_ETHR_GPIO_IRQ 19
68 #define OMAP3STALKER_SMC911X_CS 5
70 static struct omap_smsc911x_platform_data smsc911x_cfg = {
71 .cs = OMAP3STALKER_SMC911X_CS,
72 .gpio_irq = OMAP3STALKER_ETHR_GPIO_IRQ,
73 .gpio_reset = -EINVAL,
74 .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
77 static inline void __init omap3stalker_init_eth(void)
79 omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
80 gpmc_smsc911x_init(&smsc911x_cfg);
84 static inline void __init omap3stalker_init_eth(void)
91 * OMAP3 DSS control signals
94 #define DSS_ENABLE_GPIO 199
95 #define LCD_PANEL_BKLIGHT_GPIO 210
96 #define ENABLE_VPLL2_DEV_GRP 0xE0
98 static void __init omap3_stalker_display_init(void)
103 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
108 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
112 static struct omap_dss_device omap3_stalker_tv_device = {
114 .driver_name = "venc",
115 .type = OMAP_DISPLAY_TYPE_VENC,
116 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
117 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
118 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
119 .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE,
121 .platform_enable = omap3_stalker_enable_tv,
122 .platform_disable = omap3_stalker_disable_tv,
125 static struct tfp410_platform_data dvi_panel = {
126 .power_down_gpio = DSS_ENABLE_GPIO,
129 static struct omap_dss_device omap3_stalker_dvi_device = {
131 .type = OMAP_DISPLAY_TYPE_DPI,
132 .driver_name = "tfp410",
134 .phy.dpi.data_lines = 24,
137 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
138 &omap3_stalker_tv_device,
139 &omap3_stalker_dvi_device,
142 static struct omap_dss_board_info omap3_stalker_dss_data = {
143 .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices),
144 .devices = omap3_stalker_dss_devices,
145 .default_device = &omap3_stalker_dvi_device,
148 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
149 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
152 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
153 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
156 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
157 static struct regulator_init_data omap3stalker_vmmc1 = {
161 .valid_modes_mask = REGULATOR_MODE_NORMAL
162 | REGULATOR_MODE_STANDBY,
163 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
164 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
166 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vmmc1_supply),
167 .consumer_supplies = omap3stalker_vmmc1_supply,
170 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
171 static struct regulator_init_data omap3stalker_vsim = {
175 .valid_modes_mask = REGULATOR_MODE_NORMAL
176 | REGULATOR_MODE_STANDBY,
177 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
178 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
180 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vsim_supply),
181 .consumer_supplies = omap3stalker_vsim_supply,
184 static struct omap2_hsmmc_info mmc[] = {
187 .caps = MMC_CAP_4_BIT_DATA,
195 static struct gpio_keys_button gpio_buttons[] = {
204 static struct gpio_keys_platform_data gpio_key_info = {
205 .buttons = gpio_buttons,
206 .nbuttons = ARRAY_SIZE(gpio_buttons),
209 static struct platform_device keys_gpio = {
213 .platform_data = &gpio_key_info,
217 static struct gpio_led gpio_leds[] = {
219 .name = "stalker:D8:usr0",
220 .default_trigger = "default-on",
224 .name = "stalker:D9:usr1",
225 .default_trigger = "default-on",
229 .name = "stalker:D3:mmc0",
230 .gpio = -EINVAL, /* gets replaced */
232 .default_trigger = "mmc0",
235 .name = "stalker:D4:heartbeat",
236 .gpio = -EINVAL, /* gets replaced */
238 .default_trigger = "heartbeat",
242 static struct gpio_led_platform_data gpio_led_info = {
244 .num_leds = ARRAY_SIZE(gpio_leds),
247 static struct platform_device leds_gpio = {
251 .platform_data = &gpio_led_info,
256 omap3stalker_twl_gpio_setup(struct device *dev,
257 unsigned gpio, unsigned ngpio)
259 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
260 mmc[0].gpio_cd = gpio + 0;
261 omap_hsmmc_late_init(mmc);
264 * Most GPIOs are for USB OTG. Some are mostly sent to
265 * the P2 connector; notably LEDA for the LCD backlight.
268 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
269 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
272 /* gpio + 7 == DVI Enable */
273 gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
275 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
276 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
277 /* GPIO + 13 == ledsync (out, heartbeat) */
278 gpio_leds[3].gpio = gpio + 13;
280 platform_device_register(&leds_gpio);
284 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
286 .setup = omap3stalker_twl_gpio_setup,
289 static uint32_t board_keymap[] = {
292 KEY(0, 2, KEY_ENTER),
295 KEY(1, 0, KEY_RIGHT),
311 static struct matrix_keymap_data board_map_data = {
312 .keymap = board_keymap,
313 .keymap_size = ARRAY_SIZE(board_keymap),
316 static struct twl4030_keypad_data omap3stalker_kp_data = {
317 .keymap_data = &board_map_data,
323 static struct twl4030_platform_data omap3stalker_twldata = {
324 /* platform_data for children goes here */
325 .keypad = &omap3stalker_kp_data,
326 .gpio = &omap3stalker_gpio_data,
327 .vmmc1 = &omap3stalker_vmmc1,
328 .vsim = &omap3stalker_vsim,
331 static struct at24_platform_data fram_info = {
332 .byte_len = (64 * 1024) / 8,
334 .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
337 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
339 I2C_BOARD_INFO("24c64", 0x50),
340 .flags = I2C_CLIENT_WAKE,
341 .platform_data = &fram_info,
345 static int __init omap3_stalker_i2c_init(void)
347 omap3_pmic_get_config(&omap3stalker_twldata,
348 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
349 TWL_COMMON_PDATA_AUDIO,
350 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
352 omap3stalker_twldata.vdac->constraints.apply_uV = true;
353 omap3stalker_twldata.vpll2->constraints.apply_uV = true;
354 omap3stalker_twldata.vpll2->constraints.name = "VDVI";
356 omap3_pmic_init("twl4030", &omap3stalker_twldata);
357 omap_register_i2c_bus(2, 400, NULL, 0);
358 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
359 ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
363 #define OMAP3_STALKER_TS_GPIO 175
365 static struct platform_device *omap3_stalker_devices[] __initdata = {
369 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
370 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
371 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
372 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
375 .reset_gpio_port[0] = -EINVAL,
376 .reset_gpio_port[1] = 21,
377 .reset_gpio_port[2] = -EINVAL,
380 #ifdef CONFIG_OMAP_MUX
381 static struct omap_board_mux board_mux[] __initdata = {
382 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
383 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
384 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
385 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
386 {.reg_offset = OMAP_MUX_TERMINATOR},
390 static struct regulator_consumer_supply dummy_supplies[] = {
391 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
392 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
395 static void __init omap3_stalker_init(void)
397 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
398 omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
400 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
401 omap_hsmmc_init(mmc);
403 omap3_stalker_i2c_init();
405 platform_add_devices(omap3_stalker_devices,
406 ARRAY_SIZE(omap3_stalker_devices));
408 omap_display_init(&omap3_stalker_dss_data);
411 omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
413 usbhs_init(&usbhs_bdata);
414 omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
416 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
417 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
419 omap3stalker_init_eth();
420 omap3_stalker_display_init();
421 /* Ensure SDRC pins are mux'd for self-refresh */
422 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
423 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
426 MACHINE_START(SBC3530, "OMAP3 STALKER")
427 /* Maintainer: Jason Lam -lzg@ema-tech.com */
428 .atag_offset = 0x100,
429 .map_io = omap3_map_io,
430 .init_early = omap35xx_init_early,
431 .init_irq = omap3_init_irq,
432 .handle_irq = omap3_intc_handle_irq,
433 .init_machine = omap3_stalker_init,
434 .init_late = omap35xx_init_late,
435 .timer = &omap3_secure_timer,
436 .restart = omap_prcm_restart,