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/platform_data/spi-omap2-mcspi.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
38 #include <plat/gpmc.h>
39 #include <mach/board-zoom.h>
41 #include "gpmc-smsc911x.h"
43 #include <video/omapdss.h>
44 #include <video/omap-panel-generic-dpi.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 static int ldp_backlight_gpio;
185 static int ldp_lcd_enable_gpio;
187 #define LCD_PANEL_RESET_GPIO 55
188 #define LCD_PANEL_QVGA_GPIO 56
190 static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev)
192 if (gpio_is_valid(ldp_lcd_enable_gpio))
193 gpio_direction_output(ldp_lcd_enable_gpio, 1);
194 if (gpio_is_valid(ldp_backlight_gpio))
195 gpio_direction_output(ldp_backlight_gpio, 1);
200 static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev)
202 if (gpio_is_valid(ldp_lcd_enable_gpio))
203 gpio_direction_output(ldp_lcd_enable_gpio, 0);
204 if (gpio_is_valid(ldp_backlight_gpio))
205 gpio_direction_output(ldp_backlight_gpio, 0);
208 static struct panel_generic_dpi_data ldp_panel_data = {
209 .name = "nec_nl2432dr22-11b",
210 .platform_enable = ldp_panel_enable_lcd,
211 .platform_disable = ldp_panel_disable_lcd,
214 static struct omap_dss_device ldp_lcd_device = {
216 .driver_name = "generic_dpi_panel",
217 .type = OMAP_DISPLAY_TYPE_DPI,
218 .phy.dpi.data_lines = 18,
219 .data = &ldp_panel_data,
222 static struct omap_dss_device *ldp_dss_devices[] = {
226 static struct omap_dss_board_info ldp_dss_data = {
227 .num_devices = ARRAY_SIZE(ldp_dss_devices),
228 .devices = ldp_dss_devices,
229 .default_device = &ldp_lcd_device,
232 static void __init ldp_display_init(void)
236 static struct gpio gpios[] __initdata = {
237 {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"},
238 {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"},
241 r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
243 pr_err("Cannot request LCD GPIOs, error %d\n", r);
247 omap_display_init(&ldp_dss_data);
250 static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
254 struct gpio gpios[] = {
255 {gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"},
256 {gpio + 15, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"},
259 r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
261 pr_err("Cannot request LCD GPIOs, error %d\n", r);
262 ldp_backlight_gpio = -EINVAL;
263 ldp_lcd_enable_gpio = -EINVAL;
267 ldp_backlight_gpio = gpio + 15;
268 ldp_lcd_enable_gpio = gpio + 7;
273 static struct twl4030_gpio_platform_data ldp_gpio_data = {
274 .setup = ldp_twl_gpio_setup,
277 static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
278 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
281 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
282 static struct regulator_init_data ldp_vmmc1 = {
286 .valid_modes_mask = REGULATOR_MODE_NORMAL
287 | REGULATOR_MODE_STANDBY,
288 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
289 | REGULATOR_CHANGE_MODE
290 | REGULATOR_CHANGE_STATUS,
292 .num_consumer_supplies = ARRAY_SIZE(ldp_vmmc1_supply),
293 .consumer_supplies = ldp_vmmc1_supply,
297 static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
298 REGULATOR_SUPPLY("vcc", "spi1.0"),
302 static struct regulator_init_data ldp_vaux1 = {
307 .valid_modes_mask = REGULATOR_MODE_NORMAL
308 | REGULATOR_MODE_STANDBY,
309 .valid_ops_mask = REGULATOR_CHANGE_MODE
310 | REGULATOR_CHANGE_STATUS,
312 .num_consumer_supplies = ARRAY_SIZE(ldp_vaux1_supplies),
313 .consumer_supplies = ldp_vaux1_supplies,
316 static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
317 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
318 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
321 static struct regulator_init_data ldp_vpll2 = {
327 .valid_modes_mask = REGULATOR_MODE_NORMAL
328 | REGULATOR_MODE_STANDBY,
329 .valid_ops_mask = REGULATOR_CHANGE_MODE
330 | REGULATOR_CHANGE_STATUS,
332 .num_consumer_supplies = ARRAY_SIZE(ldp_vpll2_supplies),
333 .consumer_supplies = ldp_vpll2_supplies,
336 static struct twl4030_platform_data ldp_twldata = {
337 /* platform_data for children goes here */
341 .gpio = &ldp_gpio_data,
342 .keypad = &ldp_kp_twl4030_data,
345 static int __init omap_i2c_init(void)
347 omap3_pmic_get_config(&ldp_twldata,
348 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
349 omap3_pmic_init("twl4030", &ldp_twldata);
350 omap_register_i2c_bus(2, 400, NULL, 0);
351 omap_register_i2c_bus(3, 400, NULL, 0);
355 static struct omap2_hsmmc_info mmc[] __initdata = {
358 .caps = MMC_CAP_4_BIT_DATA,
365 static struct platform_device *ldp_devices[] __initdata = {
366 &ldp_gpio_keys_device,
369 #ifdef CONFIG_OMAP_MUX
370 static struct omap_board_mux board_mux[] __initdata = {
371 { .reg_offset = OMAP_MUX_TERMINATOR },
375 static struct mtd_partition ldp_nand_partitions[] = {
376 /* All the partition sizes are listed in terms of NAND block size */
378 .name = "X-Loader-NAND",
380 .size = 4 * (64 * 2048), /* 512KB, 0x80000 */
381 .mask_flags = MTD_WRITEABLE, /* force read-only */
384 .name = "U-Boot-NAND",
385 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
386 .size = 10 * (64 * 2048), /* 1.25MB, 0x140000 */
387 .mask_flags = MTD_WRITEABLE, /* force read-only */
390 .name = "Boot Env-NAND",
391 .offset = MTDPART_OFS_APPEND, /* Offset = 0x1c0000 */
392 .size = 2 * (64 * 2048), /* 256KB, 0x40000 */
395 .name = "Kernel-NAND",
396 .offset = MTDPART_OFS_APPEND, /* Offset = 0x0200000*/
397 .size = 240 * (64 * 2048), /* 30M, 0x1E00000 */
400 .name = "File System - NAND",
401 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2000000 */
402 .size = MTDPART_SIZ_FULL, /* 96MB, 0x6000000 */
407 static struct regulator_consumer_supply dummy_supplies[] = {
408 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
409 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
412 static void __init omap_ldp_init(void)
414 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
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 .init_late = omap3430_init_late,
439 .timer = &omap3_timer,
440 .restart = omap_prcm_restart,