OMAP: GPIO: Implement GPIO as a platform device
[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-omap2 / board-4430sdp.c
1 /*
2  * Board support file for OMAP4430 SDP.
3  *
4  * Copyright (C) 2009 Texas Instruments
5  *
6  * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
7  *
8  * Based on mach-omap2/board-3430sdp.c
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/io.h>
19 #include <linux/gpio.h>
20 #include <linux/usb/otg.h>
21 #include <linux/spi/spi.h>
22 #include <linux/i2c/twl.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/regulator/machine.h>
25 #include <linux/leds.h>
26
27 #include <mach/hardware.h>
28 #include <mach/omap4-common.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32
33 #include <plat/board.h>
34 #include <plat/common.h>
35 #include <plat/usb.h>
36 #include <plat/mmc.h>
37
38 #include "mux.h"
39 #include "hsmmc.h"
40 #include "timer-gp.h"
41 #include "control.h"
42
43 #define ETH_KS8851_IRQ                  34
44 #define ETH_KS8851_POWER_ON             48
45 #define ETH_KS8851_QUART                138
46 #define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO        184
47 #define OMAP4_SFH7741_ENABLE_GPIO               188
48
49 static struct gpio_led sdp4430_gpio_leds[] = {
50         {
51                 .name   = "omap4:green:debug0",
52                 .gpio   = 61,
53         },
54         {
55                 .name   = "omap4:green:debug1",
56                 .gpio   = 30,
57         },
58         {
59                 .name   = "omap4:green:debug2",
60                 .gpio   = 7,
61         },
62         {
63                 .name   = "omap4:green:debug3",
64                 .gpio   = 8,
65         },
66         {
67                 .name   = "omap4:green:debug4",
68                 .gpio   = 50,
69         },
70         {
71                 .name   = "omap4:blue:user",
72                 .gpio   = 169,
73         },
74         {
75                 .name   = "omap4:red:user",
76                 .gpio   = 170,
77         },
78         {
79                 .name   = "omap4:green:user",
80                 .gpio   = 139,
81         },
82
83 };
84
85 static struct gpio_keys_button sdp4430_gpio_keys[] = {
86         {
87                 .desc                   = "Proximity Sensor",
88                 .type                   = EV_SW,
89                 .code                   = SW_FRONT_PROXIMITY,
90                 .gpio                   = OMAP4_SFH7741_SENSOR_OUTPUT_GPIO,
91                 .active_low             = 0,
92         }
93 };
94
95 static struct gpio_led_platform_data sdp4430_led_data = {
96         .leds   = sdp4430_gpio_leds,
97         .num_leds       = ARRAY_SIZE(sdp4430_gpio_leds),
98 };
99
100 static int omap_prox_activate(struct device *dev)
101 {
102         gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 1);
103         return 0;
104 }
105
106 static void omap_prox_deactivate(struct device *dev)
107 {
108         gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 0);
109 }
110
111 static struct gpio_keys_platform_data sdp4430_gpio_keys_data = {
112         .buttons        = sdp4430_gpio_keys,
113         .nbuttons       = ARRAY_SIZE(sdp4430_gpio_keys),
114         .enable         = omap_prox_activate,
115         .disable        = omap_prox_deactivate,
116 };
117
118 static struct platform_device sdp4430_gpio_keys_device = {
119         .name   = "gpio-keys",
120         .id     = -1,
121         .dev    = {
122                 .platform_data  = &sdp4430_gpio_keys_data,
123         },
124 };
125
126 static struct platform_device sdp4430_leds_gpio = {
127         .name   = "leds-gpio",
128         .id     = -1,
129         .dev    = {
130                 .platform_data = &sdp4430_led_data,
131         },
132 };
133 static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
134         {
135                 .modalias               = "ks8851",
136                 .bus_num                = 1,
137                 .chip_select            = 0,
138                 .max_speed_hz           = 24000000,
139                 .irq                    = ETH_KS8851_IRQ,
140         },
141 };
142
143 static int omap_ethernet_init(void)
144 {
145         int status;
146
147         /* Request of GPIO lines */
148
149         status = gpio_request(ETH_KS8851_POWER_ON, "eth_power");
150         if (status) {
151                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON);
152                 return status;
153         }
154
155         status = gpio_request(ETH_KS8851_QUART, "quart");
156         if (status) {
157                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART);
158                 goto error1;
159         }
160
161         status = gpio_request(ETH_KS8851_IRQ, "eth_irq");
162         if (status) {
163                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ);
164                 goto error2;
165         }
166
167         /* Configuration of requested GPIO lines */
168
169         status = gpio_direction_output(ETH_KS8851_POWER_ON, 1);
170         if (status) {
171                 pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ);
172                 goto error3;
173         }
174
175         status = gpio_direction_output(ETH_KS8851_QUART, 1);
176         if (status) {
177                 pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART);
178                 goto error3;
179         }
180
181         status = gpio_direction_input(ETH_KS8851_IRQ);
182         if (status) {
183                 pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ);
184                 goto error3;
185         }
186
187         return 0;
188
189 error3:
190         gpio_free(ETH_KS8851_IRQ);
191 error2:
192         gpio_free(ETH_KS8851_QUART);
193 error1:
194         gpio_free(ETH_KS8851_POWER_ON);
195         return status;
196 }
197
198 static struct platform_device sdp4430_lcd_device = {
199         .name           = "sdp4430_lcd",
200         .id             = -1,
201 };
202
203 static struct platform_device *sdp4430_devices[] __initdata = {
204         &sdp4430_lcd_device,
205         &sdp4430_gpio_keys_device,
206         &sdp4430_leds_gpio,
207 };
208
209 static struct omap_lcd_config sdp4430_lcd_config __initdata = {
210         .ctrl_name      = "internal",
211 };
212
213 static struct omap_board_config_kernel sdp4430_config[] __initdata = {
214         { OMAP_TAG_LCD,         &sdp4430_lcd_config },
215 };
216
217 static void __init omap_4430sdp_init_irq(void)
218 {
219         omap_board_config = sdp4430_config;
220         omap_board_config_size = ARRAY_SIZE(sdp4430_config);
221         omap2_init_common_hw(NULL, NULL);
222 #ifdef CONFIG_OMAP_32K_TIMER
223         omap2_gp_clockevent_set_gptimer(1);
224 #endif
225         gic_init_irq();
226 }
227
228 static struct omap_musb_board_data musb_board_data = {
229         .interface_type         = MUSB_INTERFACE_UTMI,
230         .mode                   = MUSB_PERIPHERAL,
231         .power                  = 100,
232 };
233
234 static struct omap2_hsmmc_info mmc[] = {
235         {
236                 .mmc            = 1,
237                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
238                 .gpio_wp        = -EINVAL,
239         },
240         {
241                 .mmc            = 2,
242                 .caps           =  MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
243                 .gpio_cd        = -EINVAL,
244                 .gpio_wp        = -EINVAL,
245                 .nonremovable   = true,
246                 .ocr_mask       = MMC_VDD_29_30,
247         },
248         {}      /* Terminator */
249 };
250
251 static struct regulator_consumer_supply sdp4430_vaux_supply[] = {
252         {
253                 .supply = "vmmc",
254                 .dev_name = "mmci-omap-hs.1",
255         },
256 };
257 static struct regulator_consumer_supply sdp4430_vmmc_supply[] = {
258         {
259                 .supply = "vmmc",
260                 .dev_name = "mmci-omap-hs.0",
261         },
262 };
263
264 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
265 {
266         int ret = 0;
267         struct platform_device *pdev = container_of(dev,
268                                 struct platform_device, dev);
269         struct omap_mmc_platform_data *pdata = dev->platform_data;
270
271         /* Setting MMC1 Card detect Irq */
272         if (pdev->id == 0) {
273                 ret = twl6030_mmc_card_detect_config();
274                 if (ret)
275                         pr_err("Failed configuring MMC1 card detect\n");
276                 pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
277                                                 MMCDETECT_INTR_OFFSET;
278                 pdata->slots[0].card_detect = twl6030_mmc_card_detect;
279         }
280         return ret;
281 }
282
283 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
284 {
285         struct omap_mmc_platform_data *pdata;
286
287         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
288         if (!dev) {
289                 pr_err("Failed %s\n", __func__);
290                 return;
291         }
292         pdata = dev->platform_data;
293         pdata->init =   omap4_twl6030_hsmmc_late_init;
294 }
295
296 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
297 {
298         struct omap2_hsmmc_info *c;
299
300         omap2_hsmmc_init(controllers);
301         for (c = controllers; c->mmc; c++)
302                 omap4_twl6030_hsmmc_set_late_init(c->dev);
303
304         return 0;
305 }
306
307 static struct regulator_init_data sdp4430_vaux1 = {
308         .constraints = {
309                 .min_uV                 = 1000000,
310                 .max_uV                 = 3000000,
311                 .apply_uV               = true,
312                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
313                                         | REGULATOR_MODE_STANDBY,
314                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
315                                         | REGULATOR_CHANGE_MODE
316                                         | REGULATOR_CHANGE_STATUS,
317         },
318         .num_consumer_supplies  = 1,
319         .consumer_supplies      = sdp4430_vaux_supply,
320 };
321
322 static struct regulator_init_data sdp4430_vaux2 = {
323         .constraints = {
324                 .min_uV                 = 1200000,
325                 .max_uV                 = 2800000,
326                 .apply_uV               = true,
327                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
328                                         | REGULATOR_MODE_STANDBY,
329                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
330                                         | REGULATOR_CHANGE_MODE
331                                         | REGULATOR_CHANGE_STATUS,
332         },
333 };
334
335 static struct regulator_init_data sdp4430_vaux3 = {
336         .constraints = {
337                 .min_uV                 = 1000000,
338                 .max_uV                 = 3000000,
339                 .apply_uV               = true,
340                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
341                                         | REGULATOR_MODE_STANDBY,
342                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
343                                         | REGULATOR_CHANGE_MODE
344                                         | REGULATOR_CHANGE_STATUS,
345         },
346 };
347
348 /* VMMC1 for MMC1 card */
349 static struct regulator_init_data sdp4430_vmmc = {
350         .constraints = {
351                 .min_uV                 = 1200000,
352                 .max_uV                 = 3000000,
353                 .apply_uV               = true,
354                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
355                                         | REGULATOR_MODE_STANDBY,
356                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
357                                         | REGULATOR_CHANGE_MODE
358                                         | REGULATOR_CHANGE_STATUS,
359         },
360         .num_consumer_supplies  = 1,
361         .consumer_supplies      = sdp4430_vmmc_supply,
362 };
363
364 static struct regulator_init_data sdp4430_vpp = {
365         .constraints = {
366                 .min_uV                 = 1800000,
367                 .max_uV                 = 2500000,
368                 .apply_uV               = true,
369                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
370                                         | REGULATOR_MODE_STANDBY,
371                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
372                                         | REGULATOR_CHANGE_MODE
373                                         | REGULATOR_CHANGE_STATUS,
374         },
375 };
376
377 static struct regulator_init_data sdp4430_vusim = {
378         .constraints = {
379                 .min_uV                 = 1200000,
380                 .max_uV                 = 2900000,
381                 .apply_uV               = true,
382                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
383                                         | REGULATOR_MODE_STANDBY,
384                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
385                                         | REGULATOR_CHANGE_MODE
386                                         | REGULATOR_CHANGE_STATUS,
387         },
388 };
389
390 static struct regulator_init_data sdp4430_vana = {
391         .constraints = {
392                 .min_uV                 = 2100000,
393                 .max_uV                 = 2100000,
394                 .apply_uV               = true,
395                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
396                                         | REGULATOR_MODE_STANDBY,
397                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
398                                         | REGULATOR_CHANGE_STATUS,
399         },
400 };
401
402 static struct regulator_init_data sdp4430_vcxio = {
403         .constraints = {
404                 .min_uV                 = 1800000,
405                 .max_uV                 = 1800000,
406                 .apply_uV               = true,
407                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
408                                         | REGULATOR_MODE_STANDBY,
409                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
410                                         | REGULATOR_CHANGE_STATUS,
411         },
412 };
413
414 static struct regulator_init_data sdp4430_vdac = {
415         .constraints = {
416                 .min_uV                 = 1800000,
417                 .max_uV                 = 1800000,
418                 .apply_uV               = true,
419                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
420                                         | REGULATOR_MODE_STANDBY,
421                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
422                                         | REGULATOR_CHANGE_STATUS,
423         },
424 };
425
426 static struct regulator_init_data sdp4430_vusb = {
427         .constraints = {
428                 .min_uV                 = 3300000,
429                 .max_uV                 = 3300000,
430                 .apply_uV               = true,
431                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
432                                         | REGULATOR_MODE_STANDBY,
433                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
434                                         | REGULATOR_CHANGE_STATUS,
435         },
436 };
437
438 static struct twl4030_platform_data sdp4430_twldata = {
439         .irq_base       = TWL6030_IRQ_BASE,
440         .irq_end        = TWL6030_IRQ_END,
441
442         /* Regulators */
443         .vmmc           = &sdp4430_vmmc,
444         .vpp            = &sdp4430_vpp,
445         .vusim          = &sdp4430_vusim,
446         .vana           = &sdp4430_vana,
447         .vcxio          = &sdp4430_vcxio,
448         .vdac           = &sdp4430_vdac,
449         .vusb           = &sdp4430_vusb,
450         .vaux1          = &sdp4430_vaux1,
451         .vaux2          = &sdp4430_vaux2,
452         .vaux3          = &sdp4430_vaux3,
453 };
454
455 static struct i2c_board_info __initdata sdp4430_i2c_boardinfo[] = {
456         {
457                 I2C_BOARD_INFO("twl6030", 0x48),
458                 .flags = I2C_CLIENT_WAKE,
459                 .irq = OMAP44XX_IRQ_SYS_1N,
460                 .platform_data = &sdp4430_twldata,
461         },
462 };
463 static struct i2c_board_info __initdata sdp4430_i2c_3_boardinfo[] = {
464         {
465                 I2C_BOARD_INFO("tmp105", 0x48),
466         },
467 };
468 static struct i2c_board_info __initdata sdp4430_i2c_4_boardinfo[] = {
469         {
470                 I2C_BOARD_INFO("hmc5843", 0x1e),
471         },
472 };
473 static int __init omap4_i2c_init(void)
474 {
475         /*
476          * Phoenix Audio IC needs I2C1 to
477          * start with 400 KHz or less
478          */
479         omap_register_i2c_bus(1, 400, sdp4430_i2c_boardinfo,
480                         ARRAY_SIZE(sdp4430_i2c_boardinfo));
481         omap_register_i2c_bus(2, 400, NULL, 0);
482         omap_register_i2c_bus(3, 400, sdp4430_i2c_3_boardinfo,
483                                 ARRAY_SIZE(sdp4430_i2c_3_boardinfo));
484         omap_register_i2c_bus(4, 400, sdp4430_i2c_4_boardinfo,
485                                 ARRAY_SIZE(sdp4430_i2c_4_boardinfo));
486         return 0;
487 }
488
489 static void __init omap_sfh7741prox_init(void)
490 {
491         int  error;
492
493         error = gpio_request(OMAP4_SFH7741_ENABLE_GPIO, "sfh7741");
494         if (error < 0) {
495                 pr_err("%s:failed to request GPIO %d, error %d\n",
496                         __func__, OMAP4_SFH7741_ENABLE_GPIO, error);
497                 return;
498         }
499
500         error = gpio_direction_output(OMAP4_SFH7741_ENABLE_GPIO , 0);
501         if (error < 0) {
502                 pr_err("%s: GPIO configuration failed: GPIO %d,error %d\n",
503                          __func__, OMAP4_SFH7741_ENABLE_GPIO, error);
504                 gpio_free(OMAP4_SFH7741_ENABLE_GPIO);
505         }
506 }
507
508 #ifdef CONFIG_OMAP_MUX
509 static struct omap_board_mux board_mux[] __initdata = {
510         { .reg_offset = OMAP_MUX_TERMINATOR },
511 };
512 #else
513 #define board_mux       NULL
514 #endif
515
516 static void __init omap_4430sdp_init(void)
517 {
518         int status;
519         int package = OMAP_PACKAGE_CBS;
520
521         if (omap_rev() == OMAP4430_REV_ES1_0)
522                 package = OMAP_PACKAGE_CBL;
523         omap4_mux_init(board_mux, package);
524
525         omap4_i2c_init();
526         omap_sfh7741prox_init();
527         platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
528         omap_serial_init();
529         omap4_twl6030_hsmmc_init(mmc);
530         /* OMAP4 SDP uses internal transceiver so register nop transceiver */
531         usb_nop_xceiv_register();
532         /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
533         if (!cpu_is_omap44xx())
534                 usb_musb_init(&musb_board_data);
535
536         status = omap_ethernet_init();
537         if (status) {
538                 pr_err("Ethernet initialization failed: %d\n", status);
539         } else {
540                 sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ);
541                 spi_register_board_info(sdp4430_spi_board_info,
542                                 ARRAY_SIZE(sdp4430_spi_board_info));
543         }
544 }
545
546 static void __init omap_4430sdp_map_io(void)
547 {
548         omap2_set_globals_443x();
549         omap44xx_map_common_io();
550 }
551
552 MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
553         /* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
554         .boot_params    = 0x80000100,
555         .map_io         = omap_4430sdp_map_io,
556         .reserve        = omap_reserve,
557         .init_irq       = omap_4430sdp_init_irq,
558         .init_machine   = omap_4430sdp_init,
559         .timer          = &omap_timer,
560 MACHINE_END