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>
40 #include "gpmc-smsc911x.h"
42 #include <video/omapdss.h>
43 #include <video/omap-panel-data.h>
45 #include "board-flash.h"
49 #include "common-board-devices.h"
51 #define LDP_SMSC911X_CS 1
52 #define LDP_SMSC911X_GPIO 152
53 #define DEBUG_BASE 0x08000000
54 #define LDP_ETHR_START DEBUG_BASE
56 static uint32_t board_keymap
[] = {
72 KEY(4, 4, KEY_VOLUMEUP
),
73 KEY(5, 5, KEY_VOLUMEDOWN
),
77 static struct matrix_keymap_data board_map_data
= {
78 .keymap
= board_keymap
,
79 .keymap_size
= ARRAY_SIZE(board_keymap
),
82 static struct twl4030_keypad_data ldp_kp_twl4030_data
= {
83 .keymap_data
= &board_map_data
,
89 static struct gpio_keys_button ldp_gpio_keys_buttons
[] = {
95 .debounce_interval
= 30,
102 .debounce_interval
= 30,
109 .debounce_interval
= 30,
116 .debounce_interval
= 30,
123 .debounce_interval
= 30,
130 .debounce_interval
= 30,
137 .debounce_interval
= 30,
144 .debounce_interval
= 30,
151 .debounce_interval
= 30,
155 static struct gpio_keys_platform_data ldp_gpio_keys
= {
156 .buttons
= ldp_gpio_keys_buttons
,
157 .nbuttons
= ARRAY_SIZE(ldp_gpio_keys_buttons
),
161 static struct platform_device ldp_gpio_keys_device
= {
165 .platform_data
= &ldp_gpio_keys
,
169 static struct omap_smsc911x_platform_data smsc911x_cfg
= {
170 .cs
= LDP_SMSC911X_CS
,
171 .gpio_irq
= LDP_SMSC911X_GPIO
,
172 .gpio_reset
= -EINVAL
,
173 .flags
= SMSC911X_USE_32BIT
,
176 static inline void __init
ldp_init_smsc911x(void)
178 gpmc_smsc911x_init(&smsc911x_cfg
);
183 #define LCD_PANEL_RESET_GPIO 55
184 #define LCD_PANEL_QVGA_GPIO 56
186 static const struct display_timing ldp_lcd_videomode
= {
187 .pixelclock
= { 0, 5400000, 0 },
189 .hactive
= { 0, 240, 0 },
190 .hfront_porch
= { 0, 3, 0 },
191 .hback_porch
= { 0, 39, 0 },
192 .hsync_len
= { 0, 3, 0 },
194 .vactive
= { 0, 320, 0 },
195 .vfront_porch
= { 0, 2, 0 },
196 .vback_porch
= { 0, 7, 0 },
197 .vsync_len
= { 0, 1, 0 },
199 .flags
= DISPLAY_FLAGS_HSYNC_LOW
| DISPLAY_FLAGS_VSYNC_LOW
|
200 DISPLAY_FLAGS_DE_HIGH
| DISPLAY_FLAGS_PIXDATA_POSEDGE
,
203 static struct panel_dpi_platform_data ldp_lcd_pdata
= {
209 .display_timing
= &ldp_lcd_videomode
,
211 .enable_gpio
= -1, /* filled in code */
212 .backlight_gpio
= -1, /* filled in code */
215 static struct platform_device ldp_lcd_device
= {
218 .dev
.platform_data
= &ldp_lcd_pdata
,
221 static struct omap_dss_board_info ldp_dss_data
= {
222 .default_display_name
= "lcd",
225 static void __init
ldp_display_init(void)
229 static struct gpio gpios
[] __initdata
= {
230 {LCD_PANEL_RESET_GPIO
, GPIOF_OUT_INIT_HIGH
, "LCD RESET"},
231 {LCD_PANEL_QVGA_GPIO
, GPIOF_OUT_INIT_HIGH
, "LCD QVGA"},
234 r
= gpio_request_array(gpios
, ARRAY_SIZE(gpios
));
236 pr_err("Cannot request LCD GPIOs, error %d\n", r
);
240 omap_display_init(&ldp_dss_data
);
243 static int ldp_twl_gpio_setup(struct device
*dev
, unsigned gpio
, unsigned ngpio
)
245 /* LCD enable GPIO */
246 ldp_lcd_pdata
.enable_gpio
= gpio
+ 7;
248 /* Backlight enable GPIO */
249 ldp_lcd_pdata
.backlight_gpio
= gpio
+ 15;
254 static struct twl4030_gpio_platform_data ldp_gpio_data
= {
255 .setup
= ldp_twl_gpio_setup
,
258 static struct regulator_consumer_supply ldp_vmmc1_supply
[] = {
259 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
262 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
263 static struct regulator_init_data ldp_vmmc1
= {
267 .valid_modes_mask
= REGULATOR_MODE_NORMAL
268 | REGULATOR_MODE_STANDBY
,
269 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
270 | REGULATOR_CHANGE_MODE
271 | REGULATOR_CHANGE_STATUS
,
273 .num_consumer_supplies
= ARRAY_SIZE(ldp_vmmc1_supply
),
274 .consumer_supplies
= ldp_vmmc1_supply
,
278 static struct regulator_consumer_supply ldp_vaux1_supplies
[] = {
279 REGULATOR_SUPPLY("vcc", "spi1.0"),
283 static struct regulator_init_data ldp_vaux1
= {
288 .valid_modes_mask
= REGULATOR_MODE_NORMAL
289 | REGULATOR_MODE_STANDBY
,
290 .valid_ops_mask
= REGULATOR_CHANGE_MODE
291 | REGULATOR_CHANGE_STATUS
,
293 .num_consumer_supplies
= ARRAY_SIZE(ldp_vaux1_supplies
),
294 .consumer_supplies
= ldp_vaux1_supplies
,
297 static struct regulator_consumer_supply ldp_vpll2_supplies
[] = {
298 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
299 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dpi.0"),
300 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi.0"),
303 static struct regulator_init_data ldp_vpll2
= {
309 .valid_modes_mask
= REGULATOR_MODE_NORMAL
310 | REGULATOR_MODE_STANDBY
,
311 .valid_ops_mask
= REGULATOR_CHANGE_MODE
312 | REGULATOR_CHANGE_STATUS
,
314 .num_consumer_supplies
= ARRAY_SIZE(ldp_vpll2_supplies
),
315 .consumer_supplies
= ldp_vpll2_supplies
,
318 static struct twl4030_platform_data ldp_twldata
= {
319 /* platform_data for children goes here */
323 .gpio
= &ldp_gpio_data
,
324 .keypad
= &ldp_kp_twl4030_data
,
327 static int __init
omap_i2c_init(void)
329 omap3_pmic_get_config(&ldp_twldata
,
330 TWL_COMMON_PDATA_USB
| TWL_COMMON_PDATA_MADC
, 0);
331 omap3_pmic_init("twl4030", &ldp_twldata
);
332 omap_register_i2c_bus(2, 400, NULL
, 0);
333 omap_register_i2c_bus(3, 400, NULL
, 0);
337 static struct omap2_hsmmc_info mmc
[] __initdata
= {
340 .caps
= MMC_CAP_4_BIT_DATA
,
347 static struct platform_device
*ldp_devices
[] __initdata
= {
348 &ldp_gpio_keys_device
,
352 #ifdef CONFIG_OMAP_MUX
353 static struct omap_board_mux board_mux
[] __initdata
= {
354 { .reg_offset
= OMAP_MUX_TERMINATOR
},
358 static struct mtd_partition ldp_nand_partitions
[] = {
359 /* All the partition sizes are listed in terms of NAND block size */
361 .name
= "X-Loader-NAND",
363 .size
= 4 * (64 * 2048), /* 512KB, 0x80000 */
364 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
367 .name
= "U-Boot-NAND",
368 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x80000 */
369 .size
= 10 * (64 * 2048), /* 1.25MB, 0x140000 */
370 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
373 .name
= "Boot Env-NAND",
374 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x1c0000 */
375 .size
= 2 * (64 * 2048), /* 256KB, 0x40000 */
378 .name
= "Kernel-NAND",
379 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x0200000*/
380 .size
= 240 * (64 * 2048), /* 30M, 0x1E00000 */
383 .name
= "File System - NAND",
384 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x2000000 */
385 .size
= MTDPART_SIZ_FULL
, /* 96MB, 0x6000000 */
390 static struct regulator_consumer_supply dummy_supplies
[] = {
391 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
392 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
395 static void __init
omap_ldp_init(void)
397 regulator_register_fixed(0, dummy_supplies
, ARRAY_SIZE(dummy_supplies
));
398 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
401 platform_add_devices(ldp_devices
, ARRAY_SIZE(ldp_devices
));
402 omap_ads7846_init(1, 54, 310, NULL
);
404 omap_sdrc_init(NULL
, NULL
);
405 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
407 board_nand_init(ldp_nand_partitions
, ARRAY_SIZE(ldp_nand_partitions
),
408 0, 0, nand_default_timings
);
410 omap_hsmmc_init(mmc
);
414 MACHINE_START(OMAP_LDP
, "OMAP LDP board")
415 .atag_offset
= 0x100,
416 .reserve
= omap_reserve
,
417 .map_io
= omap3_map_io
,
418 .init_early
= omap3430_init_early
,
419 .init_irq
= omap3_init_irq
,
420 .handle_irq
= omap3_intc_handle_irq
,
421 .init_machine
= omap_ldp_init
,
422 .init_late
= omap3430_init_late
,
423 .init_time
= omap3_sync32k_timer_init
,
424 .restart
= omap3xxx_restart
,