Loading...
Note: File does not exist in v5.9.
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
32#include <mach/hardware.h>
33#include <asm/mach-types.h>
34#include <asm/mach/arch.h>
35#include <asm/mach/map.h>
36
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>
42
43#include <asm/delay.h>
44#include <plat/usb.h>
45#include <plat/gpmc-smsc911x.h>
46
47#include <video/omapdss.h>
48#include <video/omap-panel-generic-dpi.h>
49
50#include "board-flash.h"
51#include "mux.h"
52#include "hsmmc.h"
53#include "control.h"
54#include "common-board-devices.h"
55
56#define LDP_SMSC911X_CS 1
57#define LDP_SMSC911X_GPIO 152
58#define DEBUG_BASE 0x08000000
59#define LDP_ETHR_START DEBUG_BASE
60
61static 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};
81
82static struct matrix_keymap_data board_map_data = {
83 .keymap = board_keymap,
84 .keymap_size = ARRAY_SIZE(board_keymap),
85};
86
87static struct twl4030_keypad_data ldp_kp_twl4030_data = {
88 .keymap_data = &board_map_data,
89 .rows = 6,
90 .cols = 6,
91 .rep = 1,
92};
93
94static 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};
159
160static 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};
165
166static struct platform_device ldp_gpio_keys_device = {
167 .name = "gpio-keys",
168 .id = -1,
169 .dev = {
170 .platform_data = &ldp_gpio_keys,
171 },
172};
173
174static 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};
180
181static inline void __init ldp_init_smsc911x(void)
182{
183 gpmc_smsc911x_init(&smsc911x_cfg);
184}
185
186/* LCD */
187
188static int ldp_backlight_gpio;
189static int ldp_lcd_enable_gpio;
190
191#define LCD_PANEL_RESET_GPIO 55
192#define LCD_PANEL_QVGA_GPIO 56
193
194static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev)
195{
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);
200
201 return 0;
202}
203
204static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev)
205{
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);
210}
211
212static 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};
217
218static 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};
225
226static struct omap_dss_device *ldp_dss_devices[] = {
227 &ldp_lcd_device,
228};
229
230static 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};
235
236static void __init ldp_display_init(void)
237{
238 int r;
239
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 };
244
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 }
250
251 omap_display_init(&ldp_dss_data);
252}
253
254static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
255{
256 int r;
257
258 struct gpio gpios[] = {
259 {gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"},
260 {gpio + 15, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"},
261 };
262
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 }
270
271 ldp_backlight_gpio = gpio + 15;
272 ldp_lcd_enable_gpio = gpio + 7;
273
274 return 0;
275}
276
277static 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};
283
284static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
285 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
286};
287
288/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
289static 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};
302
303/* ads7846 on SPI */
304static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
305 REGULATOR_SUPPLY("vcc", "spi1.0"),
306};
307
308/* VAUX1 */
309static 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};
322
323static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
324 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
325 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
326};
327
328static 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};
342
343static 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};
351
352static int __init omap_i2c_init(void)
353{
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;
360}
361
362static 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};
371
372static struct platform_device *ldp_devices[] __initdata = {
373 &ldp_gpio_keys_device,
374};
375
376#ifdef CONFIG_OMAP_MUX
377static struct omap_board_mux board_mux[] __initdata = {
378 { .reg_offset = OMAP_MUX_TERMINATOR },
379};
380#endif
381
382static 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 },
411
412};
413
414static struct regulator_consumer_supply dummy_supplies[] = {
415 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
416 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
417};
418
419static void __init omap_ldp_init(void)
420{
421 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
422 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
423 ldp_init_smsc911x();
424 omap_i2c_init();
425 platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
426 omap_ads7846_init(1, 54, 310, NULL);
427 omap_serial_init();
428 omap_sdrc_init(NULL, NULL);
429 usb_musb_init(NULL);
430 board_nand_init(ldp_nand_partitions,
431 ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0);
432
433 omap_hsmmc_init(mmc);
434 ldp_display_init();
435}
436
437MACHINE_START(OMAP_LDP, "OMAP LDP board")
438 .atag_offset = 0x100,
439 .reserve = omap_reserve,
440 .map_io = omap3_map_io,
441 .init_early = omap3430_init_early,
442 .init_irq = omap3_init_irq,
443 .handle_irq = omap3_intc_handle_irq,
444 .init_machine = omap_ldp_init,
445 .init_late = omap3430_init_late,
446 .timer = &omap3_timer,
447 .restart = omap_prcm_restart,
448MACHINE_END