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-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
);
422 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
424 board_nand_init(ldp_nand_partitions
, ARRAY_SIZE(ldp_nand_partitions
),
425 ZOOM_NAND_CS
, 0, nand_default_timings
);
427 omap_hsmmc_init(mmc
);
431 MACHINE_START(OMAP_LDP
, "OMAP LDP board")
432 .atag_offset
= 0x100,
433 .reserve
= omap_reserve
,
434 .map_io
= omap3_map_io
,
435 .init_early
= omap3430_init_early
,
436 .init_irq
= omap3_init_irq
,
437 .handle_irq
= omap3_intc_handle_irq
,
438 .init_machine
= omap_ldp_init
,
439 .init_late
= omap3430_init_late
,
440 .init_time
= omap3_sync32k_timer_init
,
441 .restart
= omap3xxx_restart
,