13bde0e6693463a61610eba0749ad2315571e119
[sitara-epos/sitara-epos-kernel.git] / arch / arm / mach-omap2 / board-ldp.c
1 /*
2  * linux/arch/arm/mach-omap2/board-ldp.c
3  *
4  * Copyright (C) 2008 Texas Instruments Inc.
5  * Nishant Kamat <nskamat@ti.com>
6  *
7  * Modified from mach-omap2/board-3430sdp.c
8  *
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.
12  */
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>
27 #include <linux/io.h>
28 #include <linux/smsc911x.h>
29 #include <linux/mmc/host.h>
30 #include <linux/gpio.h>
32 #include <mach/hardware.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
37 #include <plat/mcspi.h>
38 #include <plat/board.h>
39 #include "common.h"
40 #include <plat/gpmc.h>
41 #include <mach/board-zoom.h>
43 #include <asm/delay.h>
44 #include <plat/usb.h>
45 #include <plat/gpmc-smsc911x.h>
47 #include <video/omapdss.h>
48 #include <video/omap-panel-generic-dpi.h>
50 #include "board-flash.h"
51 #include "mux.h"
52 #include "hsmmc.h"
53 #include "control.h"
54 #include "common-board-devices.h"
56 #define LDP_SMSC911X_CS         1
57 #define LDP_SMSC911X_GPIO       152
58 #define DEBUG_BASE              0x08000000
59 #define LDP_ETHR_START          DEBUG_BASE
61 static uint32_t board_keymap[] = {
62         KEY(0, 0, KEY_1),
63         KEY(1, 0, KEY_2),
64         KEY(2, 0, KEY_3),
65         KEY(0, 1, KEY_4),
66         KEY(1, 1, KEY_5),
67         KEY(2, 1, KEY_6),
68         KEY(3, 1, KEY_F5),
69         KEY(0, 2, KEY_7),
70         KEY(1, 2, KEY_8),
71         KEY(2, 2, KEY_9),
72         KEY(3, 2, KEY_F6),
73         KEY(0, 3, KEY_F7),
74         KEY(1, 3, KEY_0),
75         KEY(2, 3, KEY_F8),
76         PERSISTENT_KEY(4, 5),
77         KEY(4, 4, KEY_VOLUMEUP),
78         KEY(5, 5, KEY_VOLUMEDOWN),
79         0
80 };
82 static struct matrix_keymap_data board_map_data = {
83         .keymap                 = board_keymap,
84         .keymap_size            = ARRAY_SIZE(board_keymap),
85 };
87 static struct twl4030_keypad_data ldp_kp_twl4030_data = {
88         .keymap_data    = &board_map_data,
89         .rows           = 6,
90         .cols           = 6,
91         .rep            = 1,
92 };
94 static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
95         [0] = {
96                 .code                   = KEY_ENTER,
97                 .gpio                   = 101,
98                 .desc                   = "enter sw",
99                 .active_low             = 1,
100                 .debounce_interval      = 30,
101         },
102         [1] = {
103                 .code                   = KEY_F1,
104                 .gpio                   = 102,
105                 .desc                   = "func 1",
106                 .active_low             = 1,
107                 .debounce_interval      = 30,
108         },
109         [2] = {
110                 .code                   = KEY_F2,
111                 .gpio                   = 103,
112                 .desc                   = "func 2",
113                 .active_low             = 1,
114                 .debounce_interval      = 30,
115         },
116         [3] = {
117                 .code                   = KEY_F3,
118                 .gpio                   = 104,
119                 .desc                   = "func 3",
120                 .active_low             = 1,
121                 .debounce_interval      = 30,
122         },
123         [4] = {
124                 .code                   = KEY_F4,
125                 .gpio                   = 105,
126                 .desc                   = "func 4",
127                 .active_low             = 1,
128                 .debounce_interval      = 30,
129         },
130         [5] = {
131                 .code                   = KEY_LEFT,
132                 .gpio                   = 106,
133                 .desc                   = "left sw",
134                 .active_low             = 1,
135                 .debounce_interval      = 30,
136         },
137         [6] = {
138                 .code                   = KEY_RIGHT,
139                 .gpio                   = 107,
140                 .desc                   = "right sw",
141                 .active_low             = 1,
142                 .debounce_interval      = 30,
143         },
144         [7] = {
145                 .code                   = KEY_UP,
146                 .gpio                   = 108,
147                 .desc                   = "up sw",
148                 .active_low             = 1,
149                 .debounce_interval      = 30,
150         },
151         [8] = {
152                 .code                   = KEY_DOWN,
153                 .gpio                   = 109,
154                 .desc                   = "down sw",
155                 .active_low             = 1,
156                 .debounce_interval      = 30,
157         },
158 };
160 static struct gpio_keys_platform_data ldp_gpio_keys = {
161         .buttons                = ldp_gpio_keys_buttons,
162         .nbuttons               = ARRAY_SIZE(ldp_gpio_keys_buttons),
163         .rep                    = 1,
164 };
166 static struct platform_device ldp_gpio_keys_device = {
167         .name           = "gpio-keys",
168         .id             = -1,
169         .dev            = {
170                 .platform_data  = &ldp_gpio_keys,
171         },
172 };
174 static struct omap_smsc911x_platform_data smsc911x_cfg = {
175         .cs             = LDP_SMSC911X_CS,
176         .gpio_irq       = LDP_SMSC911X_GPIO,
177         .gpio_reset     = -EINVAL,
178         .flags          = SMSC911X_USE_32BIT,
179 };
181 static inline void __init ldp_init_smsc911x(void)
183         gpmc_smsc911x_init(&smsc911x_cfg);
186 /* LCD */
188 static int ldp_backlight_gpio;
189 static int ldp_lcd_enable_gpio;
191 #define LCD_PANEL_RESET_GPIO            55
192 #define LCD_PANEL_QVGA_GPIO             56
194 static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev)
196         if (gpio_is_valid(ldp_lcd_enable_gpio))
197                 gpio_direction_output(ldp_lcd_enable_gpio, 1);
198         if (gpio_is_valid(ldp_backlight_gpio))
199                 gpio_direction_output(ldp_backlight_gpio, 1);
201         return 0;
204 static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev)
206         if (gpio_is_valid(ldp_lcd_enable_gpio))
207                 gpio_direction_output(ldp_lcd_enable_gpio, 0);
208         if (gpio_is_valid(ldp_backlight_gpio))
209                 gpio_direction_output(ldp_backlight_gpio, 0);
212 static struct panel_generic_dpi_data ldp_panel_data = {
213         .name                   = "nec_nl2432dr22-11b",
214         .platform_enable        = ldp_panel_enable_lcd,
215         .platform_disable       = ldp_panel_disable_lcd,
216 };
218 static struct omap_dss_device ldp_lcd_device = {
219         .name                   = "lcd",
220         .driver_name            = "generic_dpi_panel",
221         .type                   = OMAP_DISPLAY_TYPE_DPI,
222         .phy.dpi.data_lines     = 18,
223         .data                   = &ldp_panel_data,
224 };
226 static struct omap_dss_device *ldp_dss_devices[] = {
227         &ldp_lcd_device,
228 };
230 static struct omap_dss_board_info ldp_dss_data = {
231         .num_devices    = ARRAY_SIZE(ldp_dss_devices),
232         .devices        = ldp_dss_devices,
233         .default_device = &ldp_lcd_device,
234 };
236 static void __init ldp_display_init(void)
238         int r;
240         static struct gpio gpios[] __initdata = {
241                 {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"},
242                 {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"},
243         };
245         r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
246         if (r) {
247                 pr_err("Cannot request LCD GPIOs, error %d\n", r);
248                 return;
249         }
251         omap_display_init(&ldp_dss_data);
254 static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
256         int r;
258         struct gpio gpios[] = {
259                 {gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"},
260                 {gpio + 15, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"},
261         };
263         r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
264         if (r) {
265                 pr_err("Cannot request LCD GPIOs, error %d\n", r);
266                 ldp_backlight_gpio = -EINVAL;
267                 ldp_lcd_enable_gpio = -EINVAL;
268                 return r;
269         }
271         ldp_backlight_gpio = gpio + 15;
272         ldp_lcd_enable_gpio = gpio + 7;
274         return 0;
277 static struct twl4030_gpio_platform_data ldp_gpio_data = {
278         .gpio_base      = OMAP_MAX_GPIO_LINES,
279         .irq_base       = TWL4030_GPIO_IRQ_BASE,
280         .irq_end        = TWL4030_GPIO_IRQ_END,
281         .setup          = ldp_twl_gpio_setup,
282 };
284 static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
285         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
286 };
288 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
289 static struct regulator_init_data ldp_vmmc1 = {
290         .constraints = {
291                 .min_uV                 = 1850000,
292                 .max_uV                 = 3150000,
293                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
294                                         | REGULATOR_MODE_STANDBY,
295                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
296                                         | REGULATOR_CHANGE_MODE
297                                         | REGULATOR_CHANGE_STATUS,
298         },
299         .num_consumer_supplies  = ARRAY_SIZE(ldp_vmmc1_supply),
300         .consumer_supplies      = ldp_vmmc1_supply,
301 };
303 /* ads7846 on SPI */
304 static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
305         REGULATOR_SUPPLY("vcc", "spi1.0"),
306 };
308 /* VAUX1 */
309 static struct regulator_init_data ldp_vaux1 = {
310         .constraints = {
311                 .min_uV                 = 3000000,
312                 .max_uV                 = 3000000,
313                 .apply_uV               = true,
314                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
315                                         | REGULATOR_MODE_STANDBY,
316                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
317                                         | REGULATOR_CHANGE_STATUS,
318         },
319         .num_consumer_supplies          = ARRAY_SIZE(ldp_vaux1_supplies),
320         .consumer_supplies              = ldp_vaux1_supplies,
321 };
323 static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
324         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
325         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
326 };
328 static struct regulator_init_data ldp_vpll2 = {
329         .constraints = {
330                 .name                   = "VDVI",
331                 .min_uV                 = 1800000,
332                 .max_uV                 = 1800000,
333                 .apply_uV               = true,
334                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
335                                         | REGULATOR_MODE_STANDBY,
336                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
337                                         | REGULATOR_CHANGE_STATUS,
338         },
339         .num_consumer_supplies  = ARRAY_SIZE(ldp_vpll2_supplies),
340         .consumer_supplies      = ldp_vpll2_supplies,
341 };
343 static struct twl4030_platform_data ldp_twldata = {
344         /* platform_data for children goes here */
345         .vmmc1          = &ldp_vmmc1,
346         .vaux1          = &ldp_vaux1,
347         .vpll2          = &ldp_vpll2,
348         .gpio           = &ldp_gpio_data,
349         .keypad         = &ldp_kp_twl4030_data,
350 };
352 static int __init omap_i2c_init(void)
354         omap3_pmic_get_config(&ldp_twldata,
355                           TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
356         omap3_pmic_init("twl4030", &ldp_twldata);
357         omap_register_i2c_bus(2, 400, NULL, 0);
358         omap_register_i2c_bus(3, 400, NULL, 0);
359         return 0;
362 static struct omap2_hsmmc_info mmc[] __initdata = {
363         {
364                 .mmc            = 1,
365                 .caps           = MMC_CAP_4_BIT_DATA,
366                 .gpio_cd        = -EINVAL,
367                 .gpio_wp        = -EINVAL,
368         },
369         {}      /* Terminator */
370 };
372 static struct platform_device *ldp_devices[] __initdata = {
373         &ldp_gpio_keys_device,
374 };
376 #ifdef CONFIG_OMAP_MUX
377 static struct omap_board_mux board_mux[] __initdata = {
378         { .reg_offset = OMAP_MUX_TERMINATOR },
379 };
380 #endif
382 static struct mtd_partition ldp_nand_partitions[] = {
383         /* All the partition sizes are listed in terms of NAND block size */
384         {
385                 .name           = "X-Loader-NAND",
386                 .offset         = 0,
387                 .size           = 4 * (64 * 2048),      /* 512KB, 0x80000 */
388                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
389         },
390         {
391                 .name           = "U-Boot-NAND",
392                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
393                 .size           = 10 * (64 * 2048),     /* 1.25MB, 0x140000 */
394                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
395         },
396         {
397                 .name           = "Boot Env-NAND",
398                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
399                 .size           = 2 * (64 * 2048),      /* 256KB, 0x40000 */
400         },
401         {
402                 .name           = "Kernel-NAND",
403                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x0200000*/
404                 .size           = 240 * (64 * 2048),    /* 30M, 0x1E00000 */
405         },
406         {
407                 .name           = "File System - NAND",
408                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2000000 */
409                 .size           = MTDPART_SIZ_FULL,     /* 96MB, 0x6000000 */
410         },
412 };
414 static void __init omap_ldp_init(void)
416         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
417         ldp_init_smsc911x();
418         omap_i2c_init();
419         platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
420         omap_ads7846_init(1, 54, 310, NULL);
421         omap_serial_init();
422         omap_sdrc_init(NULL, NULL);
423         usb_musb_init(NULL);
424         board_nand_init(ldp_nand_partitions,
425                 ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0);
427         omap2_hsmmc_init(mmc);
428         ldp_display_init();
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         .timer          = &omap3_timer,
440 MACHINE_END