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/fixed.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/i2c/twl.h>
28 #include <linux/io.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>
33
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37
38 #include "common.h"
39 #include "gpmc.h"
40 #include "gpmc-smsc911x.h"
41
42 #include <video/omapdss.h>
43 #include <video/omap-panel-data.h>
44
45 #include "board-flash.h"
46 #include "mux.h"
47 #include "hsmmc.h"
48 #include "control.h"
49 #include "common-board-devices.h"
50
51 #define LDP_SMSC911X_CS 1
52 #define LDP_SMSC911X_GPIO 152
53 #define DEBUG_BASE 0x08000000
54 #define LDP_ETHR_START DEBUG_BASE
55
56 static uint32_t board_keymap[] = {
57 KEY(0, 0, KEY_1),
58 KEY(1, 0, KEY_2),
59 KEY(2, 0, KEY_3),
60 KEY(0, 1, KEY_4),
61 KEY(1, 1, KEY_5),
62 KEY(2, 1, KEY_6),
63 KEY(3, 1, KEY_F5),
64 KEY(0, 2, KEY_7),
65 KEY(1, 2, KEY_8),
66 KEY(2, 2, KEY_9),
67 KEY(3, 2, KEY_F6),
68 KEY(0, 3, KEY_F7),
69 KEY(1, 3, KEY_0),
70 KEY(2, 3, KEY_F8),
71 PERSISTENT_KEY(4, 5),
72 KEY(4, 4, KEY_VOLUMEUP),
73 KEY(5, 5, KEY_VOLUMEDOWN),
74 0
75 };
76
77 static struct matrix_keymap_data board_map_data = {
78 .keymap = board_keymap,
79 .keymap_size = ARRAY_SIZE(board_keymap),
80 };
81
82 static struct twl4030_keypad_data ldp_kp_twl4030_data = {
83 .keymap_data = &board_map_data,
84 .rows = 6,
85 .cols = 6,
86 .rep = 1,
87 };
88
89 static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
90 [0] = {
91 .code = KEY_ENTER,
92 .gpio = 101,
93 .desc = "enter sw",
94 .active_low = 1,
95 .debounce_interval = 30,
96 },
97 [1] = {
98 .code = KEY_F1,
99 .gpio = 102,
100 .desc = "func 1",
101 .active_low = 1,
102 .debounce_interval = 30,
103 },
104 [2] = {
105 .code = KEY_F2,
106 .gpio = 103,
107 .desc = "func 2",
108 .active_low = 1,
109 .debounce_interval = 30,
110 },
111 [3] = {
112 .code = KEY_F3,
113 .gpio = 104,
114 .desc = "func 3",
115 .active_low = 1,
116 .debounce_interval = 30,
117 },
118 [4] = {
119 .code = KEY_F4,
120 .gpio = 105,
121 .desc = "func 4",
122 .active_low = 1,
123 .debounce_interval = 30,
124 },
125 [5] = {
126 .code = KEY_LEFT,
127 .gpio = 106,
128 .desc = "left sw",
129 .active_low = 1,
130 .debounce_interval = 30,
131 },
132 [6] = {
133 .code = KEY_RIGHT,
134 .gpio = 107,
135 .desc = "right sw",
136 .active_low = 1,
137 .debounce_interval = 30,
138 },
139 [7] = {
140 .code = KEY_UP,
141 .gpio = 108,
142 .desc = "up sw",
143 .active_low = 1,
144 .debounce_interval = 30,
145 },
146 [8] = {
147 .code = KEY_DOWN,
148 .gpio = 109,
149 .desc = "down sw",
150 .active_low = 1,
151 .debounce_interval = 30,
152 },
153 };
154
155 static struct gpio_keys_platform_data ldp_gpio_keys = {
156 .buttons = ldp_gpio_keys_buttons,
157 .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons),
158 .rep = 1,
159 };
160
161 static struct platform_device ldp_gpio_keys_device = {
162 .name = "gpio-keys",
163 .id = -1,
164 .dev = {
165 .platform_data = &ldp_gpio_keys,
166 },
167 };
168
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,
174 };
175
ldp_init_smsc911x(void)176 static inline void __init ldp_init_smsc911x(void)
177 {
178 gpmc_smsc911x_init(&smsc911x_cfg);
179 }
180
181 /* LCD */
182
183 #define LCD_PANEL_RESET_GPIO 55
184 #define LCD_PANEL_QVGA_GPIO 56
185
186 static const struct display_timing ldp_lcd_videomode = {
187 .pixelclock = { 0, 5400000, 0 },
188
189 .hactive = { 0, 240, 0 },
190 .hfront_porch = { 0, 3, 0 },
191 .hback_porch = { 0, 39, 0 },
192 .hsync_len = { 0, 3, 0 },
193
194 .vactive = { 0, 320, 0 },
195 .vfront_porch = { 0, 2, 0 },
196 .vback_porch = { 0, 7, 0 },
197 .vsync_len = { 0, 1, 0 },
198
199 .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
200 DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
201 };
202
203 static struct panel_dpi_platform_data ldp_lcd_pdata = {
204 .name = "lcd",
205 .source = "dpi.0",
206
207 .data_lines = 18,
208
209 .display_timing = &ldp_lcd_videomode,
210
211 .enable_gpio = -1, /* filled in code */
212 .backlight_gpio = -1, /* filled in code */
213 };
214
215 static struct platform_device ldp_lcd_device = {
216 .name = "panel-dpi",
217 .id = 0,
218 .dev.platform_data = &ldp_lcd_pdata,
219 };
220
221 static struct omap_dss_board_info ldp_dss_data = {
222 .default_display_name = "lcd",
223 };
224
ldp_display_init(void)225 static void __init ldp_display_init(void)
226 {
227 int r;
228
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"},
232 };
233
234 r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
235 if (r) {
236 pr_err("Cannot request LCD GPIOs, error %d\n", r);
237 return;
238 }
239
240 omap_display_init(&ldp_dss_data);
241 }
242
ldp_twl_gpio_setup(struct device * dev,unsigned gpio,unsigned ngpio)243 static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
244 {
245 int res;
246
247 /* LCD enable GPIO */
248 ldp_lcd_pdata.enable_gpio = gpio + 7;
249
250 /* Backlight enable GPIO */
251 ldp_lcd_pdata.backlight_gpio = gpio + 15;
252
253 res = platform_device_register(&ldp_lcd_device);
254 if (res)
255 pr_err("Unable to register LCD: %d\n", res);
256
257 return 0;
258 }
259
260 static struct twl4030_gpio_platform_data ldp_gpio_data = {
261 .setup = ldp_twl_gpio_setup,
262 };
263
264 static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
265 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
266 };
267
268 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
269 static struct regulator_init_data ldp_vmmc1 = {
270 .constraints = {
271 .min_uV = 1850000,
272 .max_uV = 3150000,
273 .valid_modes_mask = REGULATOR_MODE_NORMAL
274 | REGULATOR_MODE_STANDBY,
275 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
276 | REGULATOR_CHANGE_MODE
277 | REGULATOR_CHANGE_STATUS,
278 },
279 .num_consumer_supplies = ARRAY_SIZE(ldp_vmmc1_supply),
280 .consumer_supplies = ldp_vmmc1_supply,
281 };
282
283 /* ads7846 on SPI */
284 static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
285 REGULATOR_SUPPLY("vcc", "spi1.0"),
286 };
287
288 /* VAUX1 */
289 static struct regulator_init_data ldp_vaux1 = {
290 .constraints = {
291 .min_uV = 3000000,
292 .max_uV = 3000000,
293 .apply_uV = true,
294 .valid_modes_mask = REGULATOR_MODE_NORMAL
295 | REGULATOR_MODE_STANDBY,
296 .valid_ops_mask = REGULATOR_CHANGE_MODE
297 | REGULATOR_CHANGE_STATUS,
298 },
299 .num_consumer_supplies = ARRAY_SIZE(ldp_vaux1_supplies),
300 .consumer_supplies = ldp_vaux1_supplies,
301 };
302
303 static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
304 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
305 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dpi.0"),
306 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi.0"),
307 };
308
309 static struct regulator_init_data ldp_vpll2 = {
310 .constraints = {
311 .name = "VDVI",
312 .min_uV = 1800000,
313 .max_uV = 1800000,
314 .apply_uV = true,
315 .valid_modes_mask = REGULATOR_MODE_NORMAL
316 | REGULATOR_MODE_STANDBY,
317 .valid_ops_mask = REGULATOR_CHANGE_MODE
318 | REGULATOR_CHANGE_STATUS,
319 },
320 .num_consumer_supplies = ARRAY_SIZE(ldp_vpll2_supplies),
321 .consumer_supplies = ldp_vpll2_supplies,
322 };
323
324 static struct twl4030_platform_data ldp_twldata = {
325 /* platform_data for children goes here */
326 .vmmc1 = &ldp_vmmc1,
327 .vaux1 = &ldp_vaux1,
328 .vpll2 = &ldp_vpll2,
329 .gpio = &ldp_gpio_data,
330 .keypad = &ldp_kp_twl4030_data,
331 };
332
omap_i2c_init(void)333 static int __init omap_i2c_init(void)
334 {
335 omap3_pmic_get_config(&ldp_twldata,
336 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
337 omap3_pmic_init("twl4030", &ldp_twldata);
338 omap_register_i2c_bus(2, 400, NULL, 0);
339 omap_register_i2c_bus(3, 400, NULL, 0);
340 return 0;
341 }
342
343 static struct omap2_hsmmc_info mmc[] __initdata = {
344 {
345 .mmc = 1,
346 .caps = MMC_CAP_4_BIT_DATA,
347 .gpio_cd = -EINVAL,
348 .gpio_wp = -EINVAL,
349 },
350 {} /* Terminator */
351 };
352
353 static struct platform_device *ldp_devices[] __initdata = {
354 &ldp_gpio_keys_device,
355 };
356
357 #ifdef CONFIG_OMAP_MUX
358 static struct omap_board_mux board_mux[] __initdata = {
359 { .reg_offset = OMAP_MUX_TERMINATOR },
360 };
361 #endif
362
363 static struct mtd_partition ldp_nand_partitions[] = {
364 /* All the partition sizes are listed in terms of NAND block size */
365 {
366 .name = "X-Loader-NAND",
367 .offset = 0,
368 .size = 4 * (64 * 2048), /* 512KB, 0x80000 */
369 .mask_flags = MTD_WRITEABLE, /* force read-only */
370 },
371 {
372 .name = "U-Boot-NAND",
373 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
374 .size = 10 * (64 * 2048), /* 1.25MB, 0x140000 */
375 .mask_flags = MTD_WRITEABLE, /* force read-only */
376 },
377 {
378 .name = "Boot Env-NAND",
379 .offset = MTDPART_OFS_APPEND, /* Offset = 0x1c0000 */
380 .size = 2 * (64 * 2048), /* 256KB, 0x40000 */
381 },
382 {
383 .name = "Kernel-NAND",
384 .offset = MTDPART_OFS_APPEND, /* Offset = 0x0200000*/
385 .size = 240 * (64 * 2048), /* 30M, 0x1E00000 */
386 },
387 {
388 .name = "File System - NAND",
389 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2000000 */
390 .size = MTDPART_SIZ_FULL, /* 96MB, 0x6000000 */
391 },
392
393 };
394
395 static struct regulator_consumer_supply dummy_supplies[] = {
396 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
397 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
398 };
399
omap_ldp_init(void)400 static void __init omap_ldp_init(void)
401 {
402 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
403 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
404 ldp_init_smsc911x();
405 omap_i2c_init();
406 platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
407 omap_ads7846_init(1, 54, 310, NULL);
408 omap_serial_init();
409 omap_sdrc_init(NULL, NULL);
410 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
411 usb_musb_init(NULL);
412 board_nand_init(ldp_nand_partitions, ARRAY_SIZE(ldp_nand_partitions),
413 0, 0, nand_default_timings);
414
415 omap_hsmmc_init(mmc);
416 ldp_display_init();
417 }
418
419 MACHINE_START(OMAP_LDP, "OMAP LDP board")
420 .atag_offset = 0x100,
421 .reserve = omap_reserve,
422 .map_io = omap3_map_io,
423 .init_early = omap3430_init_early,
424 .init_irq = omap3_init_irq,
425 .init_machine = omap_ldp_init,
426 .init_late = omap3430_init_late,
427 .init_time = omap_init_time,
428 .restart = omap3xxx_restart,
429 MACHINE_END
430