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>
32 #include <mach/hardware.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
36 #include <asm/mach/flash.h>
38 #include <plat/board.h>
40 #include <plat/gpmc.h>
41 #include <plat/nand.h>
43 #include <video/omapdss.h>
44 #include <video/omap-panel-generic-dpi.h>
45 #include <video/omap-panel-dvi.h>
47 #include <plat/mcspi.h>
48 #include <linux/input/matrix_keypad.h>
49 #include <linux/spi/spi.h>
50 #include <linux/interrupt.h>
51 #include <linux/smsc911x.h>
52 #include <linux/i2c/at24.h>
54 #include "sdram-micron-mt46h32m32lf-6.h"
57 #include "common-board-devices.h"
59 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
60 #include <plat/gpmc-smsc911x.h>
62 #define OMAP3STALKER_ETHR_START 0x2c000000
63 #define OMAP3STALKER_ETHR_SIZE 1024
64 #define OMAP3STALKER_ETHR_GPIO_IRQ 19
65 #define OMAP3STALKER_SMC911X_CS 5
67 static struct omap_smsc911x_platform_data smsc911x_cfg = {
68 .cs = OMAP3STALKER_SMC911X_CS,
69 .gpio_irq = OMAP3STALKER_ETHR_GPIO_IRQ,
70 .gpio_reset = -EINVAL,
71 .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
74 static inline void __init omap3stalker_init_eth(void)
76 omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
77 gpmc_smsc911x_init(&smsc911x_cfg);
81 static inline void __init omap3stalker_init_eth(void)
88 * OMAP3 DSS control signals
91 #define DSS_ENABLE_GPIO 199
92 #define LCD_PANEL_BKLIGHT_GPIO 210
93 #define ENABLE_VPLL2_DEV_GRP 0xE0
95 static int lcd_enabled;
96 static int dvi_enabled;
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 int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
128 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
131 gpio_set_value(DSS_ENABLE_GPIO, 1);
136 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
138 gpio_set_value(DSS_ENABLE_GPIO, 0);
142 static struct panel_dvi_platform_data dvi_panel = {
143 .platform_enable = omap3_stalker_enable_dvi,
144 .platform_disable = omap3_stalker_disable_dvi,
147 static struct omap_dss_device omap3_stalker_dvi_device = {
149 .type = OMAP_DISPLAY_TYPE_DPI,
150 .driver_name = "dvi",
152 .phy.dpi.data_lines = 24,
155 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
156 &omap3_stalker_tv_device,
157 &omap3_stalker_dvi_device,
160 static struct omap_dss_board_info omap3_stalker_dss_data = {
161 .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices),
162 .devices = omap3_stalker_dss_devices,
163 .default_device = &omap3_stalker_dvi_device,
166 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
167 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
170 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
171 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
174 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
175 static struct regulator_init_data omap3stalker_vmmc1 = {
179 .valid_modes_mask = REGULATOR_MODE_NORMAL
180 | REGULATOR_MODE_STANDBY,
181 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
182 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
184 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vmmc1_supply),
185 .consumer_supplies = omap3stalker_vmmc1_supply,
188 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
189 static struct regulator_init_data omap3stalker_vsim = {
193 .valid_modes_mask = REGULATOR_MODE_NORMAL
194 | REGULATOR_MODE_STANDBY,
195 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
196 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
198 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vsim_supply),
199 .consumer_supplies = omap3stalker_vsim_supply,
202 static struct omap2_hsmmc_info mmc[] = {
205 .caps = MMC_CAP_4_BIT_DATA,
213 static struct gpio_keys_button gpio_buttons[] = {
222 static struct gpio_keys_platform_data gpio_key_info = {
223 .buttons = gpio_buttons,
224 .nbuttons = ARRAY_SIZE(gpio_buttons),
227 static struct platform_device keys_gpio = {
231 .platform_data = &gpio_key_info,
235 static struct gpio_led gpio_leds[] = {
237 .name = "stalker:D8:usr0",
238 .default_trigger = "default-on",
242 .name = "stalker:D9:usr1",
243 .default_trigger = "default-on",
247 .name = "stalker:D3:mmc0",
248 .gpio = -EINVAL, /* gets replaced */
250 .default_trigger = "mmc0",
253 .name = "stalker:D4:heartbeat",
254 .gpio = -EINVAL, /* gets replaced */
256 .default_trigger = "heartbeat",
260 static struct gpio_led_platform_data gpio_led_info = {
262 .num_leds = ARRAY_SIZE(gpio_leds),
265 static struct platform_device leds_gpio = {
269 .platform_data = &gpio_led_info,
274 omap3stalker_twl_gpio_setup(struct device *dev,
275 unsigned gpio, unsigned ngpio)
277 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
278 mmc[0].gpio_cd = gpio + 0;
279 omap_hsmmc_late_init(mmc);
282 * Most GPIOs are for USB OTG. Some are mostly sent to
283 * the P2 connector; notably LEDA for the LCD backlight.
286 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
287 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
290 /* gpio + 7 == DVI Enable */
291 gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
293 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
294 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
295 /* GPIO + 13 == ledsync (out, heartbeat) */
296 gpio_leds[3].gpio = gpio + 13;
298 platform_device_register(&leds_gpio);
302 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
303 .gpio_base = OMAP_MAX_GPIO_LINES,
304 .irq_base = TWL4030_GPIO_IRQ_BASE,
305 .irq_end = TWL4030_GPIO_IRQ_END,
307 .setup = omap3stalker_twl_gpio_setup,
310 static uint32_t board_keymap[] = {
313 KEY(0, 2, KEY_ENTER),
316 KEY(1, 0, KEY_RIGHT),
332 static struct matrix_keymap_data board_map_data = {
333 .keymap = board_keymap,
334 .keymap_size = ARRAY_SIZE(board_keymap),
337 static struct twl4030_keypad_data omap3stalker_kp_data = {
338 .keymap_data = &board_map_data,
344 static struct twl4030_platform_data omap3stalker_twldata = {
345 /* platform_data for children goes here */
346 .keypad = &omap3stalker_kp_data,
347 .gpio = &omap3stalker_gpio_data,
348 .vmmc1 = &omap3stalker_vmmc1,
349 .vsim = &omap3stalker_vsim,
352 static struct at24_platform_data fram_info = {
353 .byte_len = (64 * 1024) / 8,
355 .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
358 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
360 I2C_BOARD_INFO("24c64", 0x50),
361 .flags = I2C_CLIENT_WAKE,
362 .platform_data = &fram_info,
366 static int __init omap3_stalker_i2c_init(void)
368 omap3_pmic_get_config(&omap3stalker_twldata,
369 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
370 TWL_COMMON_PDATA_AUDIO,
371 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
373 omap3stalker_twldata.vdac->constraints.apply_uV = true;
374 omap3stalker_twldata.vpll2->constraints.apply_uV = true;
375 omap3stalker_twldata.vpll2->constraints.name = "VDVI";
377 omap3_pmic_init("twl4030", &omap3stalker_twldata);
378 omap_register_i2c_bus(2, 400, NULL, 0);
379 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
380 ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
384 #define OMAP3_STALKER_TS_GPIO 175
386 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
389 static struct platform_device *omap3_stalker_devices[] __initdata = {
393 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
394 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
395 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
396 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
399 .reset_gpio_port[0] = -EINVAL,
400 .reset_gpio_port[1] = 21,
401 .reset_gpio_port[2] = -EINVAL,
404 #ifdef CONFIG_OMAP_MUX
405 static struct omap_board_mux board_mux[] __initdata = {
406 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
407 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
408 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
409 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
410 {.reg_offset = OMAP_MUX_TERMINATOR},
414 static struct regulator_consumer_supply dummy_supplies[] = {
415 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
416 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
419 static void __init omap3_stalker_init(void)
421 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
422 omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
423 omap_board_config = omap3_stalker_config;
424 omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
426 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
427 omap_hsmmc_init(mmc);
429 omap3_stalker_i2c_init();
431 platform_add_devices(omap3_stalker_devices,
432 ARRAY_SIZE(omap3_stalker_devices));
434 omap_display_init(&omap3_stalker_dss_data);
437 omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
439 usbhs_init(&usbhs_bdata);
440 omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
442 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
443 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
445 omap3stalker_init_eth();
446 omap3_stalker_display_init();
447 /* Ensure SDRC pins are mux'd for self-refresh */
448 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
449 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
452 MACHINE_START(SBC3530, "OMAP3 STALKER")
453 /* Maintainer: Jason Lam -lzg@ema-tech.com */
454 .atag_offset = 0x100,
455 .map_io = omap3_map_io,
456 .init_early = omap35xx_init_early,
457 .init_irq = omap3_init_irq,
458 .handle_irq = omap3_intc_handle_irq,
459 .init_machine = omap3_stalker_init,
460 .timer = &omap3_secure_timer,
461 .restart = omap_prcm_restart,