2 * linux/arch/arm/mach-omap2/board-ldp.c
4 * Copyright (C) 2008 Texas Instruments Inc.
5 * Nishant Kamat <nskamat@ti.com>
7 * Modified from mach-omap2/board-3430sdp.c
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
13 #include <linux/gpio.h>
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/delay.h>
18 #include <linux/input.h>
19 #include <linux/input/matrix_keypad.h>
20 #include <linux/gpio_keys.h>
21 #include <linux/workqueue.h>
22 #include <linux/err.h>
23 #include <linux/clk.h>
24 #include <linux/spi/spi.h>
25 #include <linux/regulator/fixed.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/i2c/twl.h>
29 #include <linux/smsc911x.h>
30 #include <linux/mmc/host.h>
31 #include <linux/usb/phy.h>
32 #include <linux/platform_data/spi-omap2-mcspi.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
39 #include "board-zoom.h"
41 #include "gpmc-smsc911x.h"
43 #include <video/omapdss.h>
44 #include <video/omap-panel-data.h>
46 #include "board-flash.h"
50 #include "common-board-devices.h"
52 #define LDP_SMSC911X_CS 1
53 #define LDP_SMSC911X_GPIO 152
54 #define DEBUG_BASE 0x08000000
55 #define LDP_ETHR_START DEBUG_BASE
57 static uint32_t board_keymap[] = {
73 KEY(4, 4, KEY_VOLUMEUP),
74 KEY(5, 5, KEY_VOLUMEDOWN),
78 static struct matrix_keymap_data board_map_data = {
79 .keymap = board_keymap,
80 .keymap_size = ARRAY_SIZE(board_keymap),
83 static struct twl4030_keypad_data ldp_kp_twl4030_data = {
84 .keymap_data = &board_map_data,
90 static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
96 .debounce_interval = 30,
103 .debounce_interval = 30,
110 .debounce_interval = 30,
117 .debounce_interval = 30,
124 .debounce_interval = 30,
131 .debounce_interval = 30,
138 .debounce_interval = 30,
145 .debounce_interval = 30,
152 .debounce_interval = 30,
156 static struct gpio_keys_platform_data ldp_gpio_keys = {
157 .buttons = ldp_gpio_keys_buttons,
158 .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons),
162 static struct platform_device ldp_gpio_keys_device = {
166 .platform_data = &ldp_gpio_keys,
170 static struct omap_smsc911x_platform_data smsc911x_cfg = {
171 .cs = LDP_SMSC911X_CS,
172 .gpio_irq = LDP_SMSC911X_GPIO,
173 .gpio_reset = -EINVAL,
174 .flags = SMSC911X_USE_32BIT,
177 static inline void __init ldp_init_smsc911x(void)
179 gpmc_smsc911x_init(&smsc911x_cfg);
184 #define LCD_PANEL_RESET_GPIO 55
185 #define LCD_PANEL_QVGA_GPIO 56
187 static const struct display_timing ldp_lcd_videomode = {
188 .pixelclock = { 0, 5400000, 0 },
190 .hactive = { 0, 240, 0 },
191 .hfront_porch = { 0, 3, 0 },
192 .hback_porch = { 0, 39, 0 },
193 .hsync_len = { 0, 3, 0 },
195 .vactive = { 0, 320, 0 },
196 .vfront_porch = { 0, 2, 0 },
197 .vback_porch = { 0, 7, 0 },
198 .vsync_len = { 0, 1, 0 },
200 .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
201 DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
204 static struct panel_dpi_platform_data ldp_lcd_pdata = {
210 .display_timing = &ldp_lcd_videomode,
212 .enable_gpio = -1, /* filled in code */
213 .backlight_gpio = -1, /* filled in code */
216 static struct platform_device ldp_lcd_device = {
219 .dev.platform_data = &ldp_lcd_pdata,
222 static struct omap_dss_board_info ldp_dss_data = {
223 .default_display_name = "lcd",
226 static void __init ldp_display_init(void)
230 static struct gpio gpios[] __initdata = {
231 {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"},
232 {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"},
235 r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
237 pr_err("Cannot request LCD GPIOs, error %d\n", r);
241 omap_display_init(&ldp_dss_data);
244 static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
246 /* LCD enable GPIO */
247 ldp_lcd_pdata.enable_gpio = gpio + 7;
249 /* Backlight enable GPIO */
250 ldp_lcd_pdata.backlight_gpio = gpio + 15;
255 static struct twl4030_gpio_platform_data ldp_gpio_data = {
256 .setup = ldp_twl_gpio_setup,
259 static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
260 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
263 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
264 static struct regulator_init_data ldp_vmmc1 = {
268 .valid_modes_mask = REGULATOR_MODE_NORMAL
269 | REGULATOR_MODE_STANDBY,
270 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
271 | REGULATOR_CHANGE_MODE
272 | REGULATOR_CHANGE_STATUS,
274 .num_consumer_supplies = ARRAY_SIZE(ldp_vmmc1_supply),
275 .consumer_supplies = ldp_vmmc1_supply,
279 static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
280 REGULATOR_SUPPLY("vcc", "spi1.0"),
284 static struct regulator_init_data ldp_vaux1 = {
289 .valid_modes_mask = REGULATOR_MODE_NORMAL
290 | REGULATOR_MODE_STANDBY,
291 .valid_ops_mask = REGULATOR_CHANGE_MODE
292 | REGULATOR_CHANGE_STATUS,
294 .num_consumer_supplies = ARRAY_SIZE(ldp_vaux1_supplies),
295 .consumer_supplies = ldp_vaux1_supplies,
298 static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
299 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
300 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dpi.0"),
301 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi.0"),
304 static struct regulator_init_data ldp_vpll2 = {
310 .valid_modes_mask = REGULATOR_MODE_NORMAL
311 | REGULATOR_MODE_STANDBY,
312 .valid_ops_mask = REGULATOR_CHANGE_MODE
313 | REGULATOR_CHANGE_STATUS,
315 .num_consumer_supplies = ARRAY_SIZE(ldp_vpll2_supplies),
316 .consumer_supplies = ldp_vpll2_supplies,
319 static struct twl4030_platform_data ldp_twldata = {
320 /* platform_data for children goes here */
324 .gpio = &ldp_gpio_data,
325 .keypad = &ldp_kp_twl4030_data,
328 static int __init omap_i2c_init(void)
330 omap3_pmic_get_config(&ldp_twldata,
331 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
332 omap3_pmic_init("twl4030", &ldp_twldata);
333 omap_register_i2c_bus(2, 400, NULL, 0);
334 omap_register_i2c_bus(3, 400, NULL, 0);
338 static struct omap2_hsmmc_info mmc[] __initdata = {
341 .caps = MMC_CAP_4_BIT_DATA,
348 static struct platform_device *ldp_devices[] __initdata = {
349 &ldp_gpio_keys_device,
353 #ifdef CONFIG_OMAP_MUX
354 static struct omap_board_mux board_mux[] __initdata = {
355 { .reg_offset = OMAP_MUX_TERMINATOR },
359 static struct mtd_partition ldp_nand_partitions[] = {
360 /* All the partition sizes are listed in terms of NAND block size */
362 .name = "X-Loader-NAND",
364 .size = 4 * (64 * 2048), /* 512KB, 0x80000 */
365 .mask_flags = MTD_WRITEABLE, /* force read-only */
368 .name = "U-Boot-NAND",
369 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
370 .size = 10 * (64 * 2048), /* 1.25MB, 0x140000 */
371 .mask_flags = MTD_WRITEABLE, /* force read-only */
374 .name = "Boot Env-NAND",
375 .offset = MTDPART_OFS_APPEND, /* Offset = 0x1c0000 */
376 .size = 2 * (64 * 2048), /* 256KB, 0x40000 */
379 .name = "Kernel-NAND",
380 .offset = MTDPART_OFS_APPEND, /* Offset = 0x0200000*/
381 .size = 240 * (64 * 2048), /* 30M, 0x1E00000 */
384 .name = "File System - NAND",
385 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2000000 */
386 .size = MTDPART_SIZ_FULL, /* 96MB, 0x6000000 */
391 static struct regulator_consumer_supply dummy_supplies[] = {
392 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
393 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
396 static void __init omap_ldp_init(void)
398 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
399 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
402 platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
403 omap_ads7846_init(1, 54, 310, NULL);
405 omap_sdrc_init(NULL, NULL);
406 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
408 board_nand_init(ldp_nand_partitions, ARRAY_SIZE(ldp_nand_partitions),
409 ZOOM_NAND_CS, 0, nand_default_timings);
411 omap_hsmmc_init(mmc);
415 MACHINE_START(OMAP_LDP, "OMAP LDP board")
416 .atag_offset = 0x100,
417 .reserve = omap_reserve,
418 .map_io = omap3_map_io,
419 .init_early = omap3430_init_early,
420 .init_irq = omap3_init_irq,
421 .handle_irq = omap3_intc_handle_irq,
422 .init_machine = omap_ldp_init,
423 .init_late = omap3430_init_late,
424 .init_time = omap3_sync32k_timer_init,
425 .restart = omap3xxx_restart,