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 "board-zoom.h"
40 #include "gpmc-smsc911x.h"
42 #include <video/omapdss.h>
43 #include <video/omap-panel-generic-dpi.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 static int ldp_backlight_gpio
;
184 static int ldp_lcd_enable_gpio
;
186 #define LCD_PANEL_RESET_GPIO 55
187 #define LCD_PANEL_QVGA_GPIO 56
189 static int ldp_panel_enable_lcd(struct omap_dss_device
*dssdev
)
191 if (gpio_is_valid(ldp_lcd_enable_gpio
))
192 gpio_direction_output(ldp_lcd_enable_gpio
, 1);
193 if (gpio_is_valid(ldp_backlight_gpio
))
194 gpio_direction_output(ldp_backlight_gpio
, 1);
199 static void ldp_panel_disable_lcd(struct omap_dss_device
*dssdev
)
201 if (gpio_is_valid(ldp_lcd_enable_gpio
))
202 gpio_direction_output(ldp_lcd_enable_gpio
, 0);
203 if (gpio_is_valid(ldp_backlight_gpio
))
204 gpio_direction_output(ldp_backlight_gpio
, 0);
207 static struct panel_generic_dpi_data ldp_panel_data
= {
208 .name
= "nec_nl2432dr22-11b",
209 .platform_enable
= ldp_panel_enable_lcd
,
210 .platform_disable
= ldp_panel_disable_lcd
,
213 static struct omap_dss_device ldp_lcd_device
= {
215 .driver_name
= "generic_dpi_panel",
216 .type
= OMAP_DISPLAY_TYPE_DPI
,
217 .phy
.dpi
.data_lines
= 18,
218 .data
= &ldp_panel_data
,
221 static struct omap_dss_device
*ldp_dss_devices
[] = {
225 static struct omap_dss_board_info ldp_dss_data
= {
226 .num_devices
= ARRAY_SIZE(ldp_dss_devices
),
227 .devices
= ldp_dss_devices
,
228 .default_device
= &ldp_lcd_device
,
231 static void __init
ldp_display_init(void)
235 static struct gpio gpios
[] __initdata
= {
236 {LCD_PANEL_RESET_GPIO
, GPIOF_OUT_INIT_HIGH
, "LCD RESET"},
237 {LCD_PANEL_QVGA_GPIO
, GPIOF_OUT_INIT_HIGH
, "LCD QVGA"},
240 r
= gpio_request_array(gpios
, ARRAY_SIZE(gpios
));
242 pr_err("Cannot request LCD GPIOs, error %d\n", r
);
246 omap_display_init(&ldp_dss_data
);
249 static int ldp_twl_gpio_setup(struct device
*dev
, unsigned gpio
, unsigned ngpio
)
253 struct gpio gpios
[] = {
254 {gpio
+ 7 , GPIOF_OUT_INIT_LOW
, "LCD ENABLE"},
255 {gpio
+ 15, GPIOF_OUT_INIT_LOW
, "LCD BACKLIGHT"},
258 r
= gpio_request_array(gpios
, ARRAY_SIZE(gpios
));
260 pr_err("Cannot request LCD GPIOs, error %d\n", r
);
261 ldp_backlight_gpio
= -EINVAL
;
262 ldp_lcd_enable_gpio
= -EINVAL
;
266 ldp_backlight_gpio
= gpio
+ 15;
267 ldp_lcd_enable_gpio
= gpio
+ 7;
272 static struct twl4030_gpio_platform_data ldp_gpio_data
= {
273 .setup
= ldp_twl_gpio_setup
,
276 static struct regulator_consumer_supply ldp_vmmc1_supply
[] = {
277 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
280 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
281 static struct regulator_init_data ldp_vmmc1
= {
285 .valid_modes_mask
= REGULATOR_MODE_NORMAL
286 | REGULATOR_MODE_STANDBY
,
287 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
288 | REGULATOR_CHANGE_MODE
289 | REGULATOR_CHANGE_STATUS
,
291 .num_consumer_supplies
= ARRAY_SIZE(ldp_vmmc1_supply
),
292 .consumer_supplies
= ldp_vmmc1_supply
,
296 static struct regulator_consumer_supply ldp_vaux1_supplies
[] = {
297 REGULATOR_SUPPLY("vcc", "spi1.0"),
301 static struct regulator_init_data ldp_vaux1
= {
306 .valid_modes_mask
= REGULATOR_MODE_NORMAL
307 | REGULATOR_MODE_STANDBY
,
308 .valid_ops_mask
= REGULATOR_CHANGE_MODE
309 | REGULATOR_CHANGE_STATUS
,
311 .num_consumer_supplies
= ARRAY_SIZE(ldp_vaux1_supplies
),
312 .consumer_supplies
= ldp_vaux1_supplies
,
315 static struct regulator_consumer_supply ldp_vpll2_supplies
[] = {
316 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
317 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
320 static struct regulator_init_data ldp_vpll2
= {
326 .valid_modes_mask
= REGULATOR_MODE_NORMAL
327 | REGULATOR_MODE_STANDBY
,
328 .valid_ops_mask
= REGULATOR_CHANGE_MODE
329 | REGULATOR_CHANGE_STATUS
,
331 .num_consumer_supplies
= ARRAY_SIZE(ldp_vpll2_supplies
),
332 .consumer_supplies
= ldp_vpll2_supplies
,
335 static struct twl4030_platform_data ldp_twldata
= {
336 /* platform_data for children goes here */
340 .gpio
= &ldp_gpio_data
,
341 .keypad
= &ldp_kp_twl4030_data
,
344 static int __init
omap_i2c_init(void)
346 omap3_pmic_get_config(&ldp_twldata
,
347 TWL_COMMON_PDATA_USB
| TWL_COMMON_PDATA_MADC
, 0);
348 omap3_pmic_init("twl4030", &ldp_twldata
);
349 omap_register_i2c_bus(2, 400, NULL
, 0);
350 omap_register_i2c_bus(3, 400, NULL
, 0);
354 static struct omap2_hsmmc_info mmc
[] __initdata
= {
357 .caps
= MMC_CAP_4_BIT_DATA
,
364 static struct platform_device
*ldp_devices
[] __initdata
= {
365 &ldp_gpio_keys_device
,
368 #ifdef CONFIG_OMAP_MUX
369 static struct omap_board_mux board_mux
[] __initdata
= {
370 { .reg_offset
= OMAP_MUX_TERMINATOR
},
374 static struct mtd_partition ldp_nand_partitions
[] = {
375 /* All the partition sizes are listed in terms of NAND block size */
377 .name
= "X-Loader-NAND",
379 .size
= 4 * (64 * 2048), /* 512KB, 0x80000 */
380 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
383 .name
= "U-Boot-NAND",
384 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x80000 */
385 .size
= 10 * (64 * 2048), /* 1.25MB, 0x140000 */
386 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
389 .name
= "Boot Env-NAND",
390 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x1c0000 */
391 .size
= 2 * (64 * 2048), /* 256KB, 0x40000 */
394 .name
= "Kernel-NAND",
395 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x0200000*/
396 .size
= 240 * (64 * 2048), /* 30M, 0x1E00000 */
399 .name
= "File System - NAND",
400 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x2000000 */
401 .size
= MTDPART_SIZ_FULL
, /* 96MB, 0x6000000 */
406 static struct regulator_consumer_supply dummy_supplies
[] = {
407 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
408 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
411 static void __init
omap_ldp_init(void)
413 regulator_register_fixed(0, dummy_supplies
, ARRAY_SIZE(dummy_supplies
));
414 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
417 platform_add_devices(ldp_devices
, ARRAY_SIZE(ldp_devices
));
418 omap_ads7846_init(1, 54, 310, NULL
);
420 omap_sdrc_init(NULL
, NULL
);
422 board_nand_init(ldp_nand_partitions
, ARRAY_SIZE(ldp_nand_partitions
),
423 ZOOM_NAND_CS
, 0, nand_default_timings
);
425 omap_hsmmc_init(mmc
);
429 MACHINE_START(OMAP_LDP
, "OMAP LDP board")
430 .atag_offset
= 0x100,
431 .reserve
= omap_reserve
,
432 .map_io
= omap3_map_io
,
433 .init_early
= omap3430_init_early
,
434 .init_irq
= omap3_init_irq
,
435 .handle_irq
= omap3_intc_handle_irq
,
436 .init_machine
= omap_ldp_init
,
437 .init_late
= omap3430_init_late
,
438 .timer
= &omap3_timer
,
439 .restart
= omap_prcm_restart
,