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/machine.h>
26 #include <linux/i2c/twl.h>
28 #include <linux/smsc911x.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>
36 #include <plat/mcspi.h>
37 #include <plat/board.h>
39 #include <plat/gpmc.h>
40 #include <mach/board-zoom.h>
42 #include <asm/delay.h>
44 #include <plat/gpmc-smsc911x.h>
46 #include <video/omapdss.h>
47 #include <video/omap-panel-generic-dpi.h>
49 #include "board-flash.h"
53 #include "common-board-devices.h"
55 #define LDP_SMSC911X_CS 1
56 #define LDP_SMSC911X_GPIO 152
57 #define DEBUG_BASE 0x08000000
58 #define LDP_ETHR_START DEBUG_BASE
60 static uint32_t board_keymap[] = {
76 KEY(4, 4, KEY_VOLUMEUP),
77 KEY(5, 5, KEY_VOLUMEDOWN),
81 static struct matrix_keymap_data board_map_data = {
82 .keymap = board_keymap,
83 .keymap_size = ARRAY_SIZE(board_keymap),
86 static struct twl4030_keypad_data ldp_kp_twl4030_data = {
87 .keymap_data = &board_map_data,
93 static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
99 .debounce_interval = 30,
106 .debounce_interval = 30,
113 .debounce_interval = 30,
120 .debounce_interval = 30,
127 .debounce_interval = 30,
134 .debounce_interval = 30,
141 .debounce_interval = 30,
148 .debounce_interval = 30,
155 .debounce_interval = 30,
159 static struct gpio_keys_platform_data ldp_gpio_keys = {
160 .buttons = ldp_gpio_keys_buttons,
161 .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons),
165 static struct platform_device ldp_gpio_keys_device = {
169 .platform_data = &ldp_gpio_keys,
173 static struct omap_smsc911x_platform_data smsc911x_cfg = {
174 .cs = LDP_SMSC911X_CS,
175 .gpio_irq = LDP_SMSC911X_GPIO,
176 .gpio_reset = -EINVAL,
177 .flags = SMSC911X_USE_32BIT,
180 static inline void __init ldp_init_smsc911x(void)
182 gpmc_smsc911x_init(&smsc911x_cfg);
187 static int ldp_backlight_gpio;
188 static int ldp_lcd_enable_gpio;
190 #define LCD_PANEL_RESET_GPIO 55
191 #define LCD_PANEL_QVGA_GPIO 56
193 static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev)
195 if (gpio_is_valid(ldp_lcd_enable_gpio))
196 gpio_direction_output(ldp_lcd_enable_gpio, 1);
197 if (gpio_is_valid(ldp_backlight_gpio))
198 gpio_direction_output(ldp_backlight_gpio, 1);
203 static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev)
205 if (gpio_is_valid(ldp_lcd_enable_gpio))
206 gpio_direction_output(ldp_lcd_enable_gpio, 0);
207 if (gpio_is_valid(ldp_backlight_gpio))
208 gpio_direction_output(ldp_backlight_gpio, 0);
211 static struct panel_generic_dpi_data ldp_panel_data = {
212 .name = "nec_nl2432dr22-11b",
213 .platform_enable = ldp_panel_enable_lcd,
214 .platform_disable = ldp_panel_disable_lcd,
217 static struct omap_dss_device ldp_lcd_device = {
219 .driver_name = "generic_dpi_panel",
220 .type = OMAP_DISPLAY_TYPE_DPI,
221 .phy.dpi.data_lines = 18,
222 .data = &ldp_panel_data,
225 static struct omap_dss_device *ldp_dss_devices[] = {
229 static struct omap_dss_board_info ldp_dss_data = {
230 .num_devices = ARRAY_SIZE(ldp_dss_devices),
231 .devices = ldp_dss_devices,
232 .default_device = &ldp_lcd_device,
235 static void __init ldp_display_init(void)
239 static struct gpio gpios[] __initdata = {
240 {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"},
241 {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"},
244 r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
246 pr_err("Cannot request LCD GPIOs, error %d\n", r);
250 omap_display_init(&ldp_dss_data);
253 static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
257 struct gpio gpios[] = {
258 {gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"},
259 {gpio + 15, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"},
262 r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
264 pr_err("Cannot request LCD GPIOs, error %d\n", r);
265 ldp_backlight_gpio = -EINVAL;
266 ldp_lcd_enable_gpio = -EINVAL;
270 ldp_backlight_gpio = gpio + 15;
271 ldp_lcd_enable_gpio = gpio + 7;
276 static struct twl4030_gpio_platform_data ldp_gpio_data = {
277 .gpio_base = OMAP_MAX_GPIO_LINES,
278 .irq_base = TWL4030_GPIO_IRQ_BASE,
279 .irq_end = TWL4030_GPIO_IRQ_END,
280 .setup = ldp_twl_gpio_setup,
283 static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
284 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
287 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
288 static struct regulator_init_data ldp_vmmc1 = {
292 .valid_modes_mask = REGULATOR_MODE_NORMAL
293 | REGULATOR_MODE_STANDBY,
294 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
295 | REGULATOR_CHANGE_MODE
296 | REGULATOR_CHANGE_STATUS,
298 .num_consumer_supplies = ARRAY_SIZE(ldp_vmmc1_supply),
299 .consumer_supplies = ldp_vmmc1_supply,
303 static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
304 REGULATOR_SUPPLY("vcc", "spi1.0"),
308 static struct regulator_init_data ldp_vaux1 = {
313 .valid_modes_mask = REGULATOR_MODE_NORMAL
314 | REGULATOR_MODE_STANDBY,
315 .valid_ops_mask = REGULATOR_CHANGE_MODE
316 | REGULATOR_CHANGE_STATUS,
318 .num_consumer_supplies = ARRAY_SIZE(ldp_vaux1_supplies),
319 .consumer_supplies = ldp_vaux1_supplies,
322 static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
323 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
324 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
327 static struct regulator_init_data ldp_vpll2 = {
333 .valid_modes_mask = REGULATOR_MODE_NORMAL
334 | REGULATOR_MODE_STANDBY,
335 .valid_ops_mask = REGULATOR_CHANGE_MODE
336 | REGULATOR_CHANGE_STATUS,
338 .num_consumer_supplies = ARRAY_SIZE(ldp_vpll2_supplies),
339 .consumer_supplies = ldp_vpll2_supplies,
342 static struct twl4030_platform_data ldp_twldata = {
343 /* platform_data for children goes here */
347 .gpio = &ldp_gpio_data,
348 .keypad = &ldp_kp_twl4030_data,
351 static int __init omap_i2c_init(void)
353 omap3_pmic_get_config(&ldp_twldata,
354 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
355 omap3_pmic_init("twl4030", &ldp_twldata);
356 omap_register_i2c_bus(2, 400, NULL, 0);
357 omap_register_i2c_bus(3, 400, NULL, 0);
361 static struct omap2_hsmmc_info mmc[] __initdata = {
364 .caps = MMC_CAP_4_BIT_DATA,
371 static struct platform_device *ldp_devices[] __initdata = {
372 &ldp_gpio_keys_device,
375 #ifdef CONFIG_OMAP_MUX
376 static struct omap_board_mux board_mux[] __initdata = {
377 { .reg_offset = OMAP_MUX_TERMINATOR },
381 static struct mtd_partition ldp_nand_partitions[] = {
382 /* All the partition sizes are listed in terms of NAND block size */
384 .name = "X-Loader-NAND",
386 .size = 4 * (64 * 2048), /* 512KB, 0x80000 */
387 .mask_flags = MTD_WRITEABLE, /* force read-only */
390 .name = "U-Boot-NAND",
391 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
392 .size = 10 * (64 * 2048), /* 1.25MB, 0x140000 */
393 .mask_flags = MTD_WRITEABLE, /* force read-only */
396 .name = "Boot Env-NAND",
397 .offset = MTDPART_OFS_APPEND, /* Offset = 0x1c0000 */
398 .size = 2 * (64 * 2048), /* 256KB, 0x40000 */
401 .name = "Kernel-NAND",
402 .offset = MTDPART_OFS_APPEND, /* Offset = 0x0200000*/
403 .size = 240 * (64 * 2048), /* 30M, 0x1E00000 */
406 .name = "File System - NAND",
407 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2000000 */
408 .size = MTDPART_SIZ_FULL, /* 96MB, 0x6000000 */
413 static void __init omap_ldp_init(void)
415 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
418 platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
419 omap_ads7846_init(1, 54, 310, NULL);
421 omap_sdrc_init(NULL, NULL);
423 board_nand_init(ldp_nand_partitions,
424 ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0);
426 omap_hsmmc_init(mmc);
430 MACHINE_START(OMAP_LDP, "OMAP LDP board")
431 .atag_offset = 0x100,
432 .reserve = omap_reserve,
433 .map_io = omap3_map_io,
434 .init_early = omap3430_init_early,
435 .init_irq = omap3_init_irq,
436 .handle_irq = omap3_intc_handle_irq,
437 .init_machine = omap_ldp_init,
438 .timer = &omap3_timer,
439 .restart = omap_prcm_restart,