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Mike Rapoport3d505272007-07-18 11:31:46 +01001/*
Mike Rapoport3c85bce2008-06-16 08:16:46 +01002 * Support for CompuLab EM-X270 platform
Mike Rapoport3d505272007-07-18 11:31:46 +01003 *
Mike Rapoport3c85bce2008-06-16 08:16:46 +01004 * Copyright (C) 2007, 2008 CompuLab, Ltd.
Mike Rapoport3d505272007-07-18 11:31:46 +01005 * Author: Mike Rapoport <mike@compulab.co.il>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#include <linux/irq.h>
13#include <linux/platform_device.h>
Mike Rapoport7f14a782009-02-02 08:57:55 +020014#include <linux/delay.h>
Mike Rapoport3d505272007-07-18 11:31:46 +010015
16#include <linux/dm9000.h>
17#include <linux/rtc-v3020.h>
Mike Rapoport3d505272007-07-18 11:31:46 +010018#include <linux/mtd/nand.h>
19#include <linux/mtd/partitions.h>
Mike Rapoport28c88042008-12-03 09:38:10 +020020#include <linux/mtd/physmap.h>
Mike Rapoport3c85bce2008-06-16 08:16:46 +010021#include <linux/input.h>
22#include <linux/gpio_keys.h>
23#include <linux/gpio.h>
Mike Rapoport28c88042008-12-03 09:38:10 +020024#include <linux/mfd/da903x.h>
25#include <linux/regulator/machine.h>
26#include <linux/spi/spi.h>
27#include <linux/spi/tdo24m.h>
Mike Rapoportc9be0e32009-02-03 09:15:30 +020028#include <linux/spi/libertas_spi.h>
Sebastian Andrzej Siewior8348c252010-11-22 17:12:15 -080029#include <linux/spi/pxa2xx_spi.h>
Mike Rapoport9f055c42009-02-02 08:57:53 +020030#include <linux/power_supply.h>
31#include <linux/apm-emulation.h>
Mike Rapoport76e3fc32009-05-12 16:31:13 +030032#include <linux/i2c.h>
Vivien Didelot58774572013-08-29 15:24:14 -040033#include <linux/platform_data/pca953x.h>
Sebastian Andrzej Siewiorb4593962011-02-23 12:38:16 +010034#include <linux/i2c/pxa-i2c.h>
Mike Rapoporta37ed432009-05-18 08:53:56 +030035#include <linux/regulator/userspace-consumer.h>
Mike Rapoport28c88042008-12-03 09:38:10 +020036
37#include <media/soc_camera.h>
Mike Rapoport3d505272007-07-18 11:31:46 +010038
39#include <asm/mach-types.h>
Mike Rapoport3d505272007-07-18 11:31:46 +010040#include <asm/mach/arch.h>
41
Eric Miao51c62982009-01-02 23:17:22 +080042#include <mach/pxa27x.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010043#include <mach/pxa27x-udc.h>
44#include <mach/audio.h>
Arnd Bergmann293b2da2012-08-24 15:16:48 +020045#include <linux/platform_data/video-pxafb.h>
46#include <linux/platform_data/usb-ohci-pxa27x.h>
47#include <linux/platform_data/mmc-pxamci.h>
48#include <linux/platform_data/keypad-pxa27x.h>
49#include <linux/platform_data/camera-pxa.h>
Mike Rapoport3d505272007-07-18 11:31:46 +010050
51#include "generic.h"
Mike Rapoport6432f462009-02-02 08:57:51 +020052#include "devices.h"
Mike Rapoport3d505272007-07-18 11:31:46 +010053
Mike Rapoport7f14a782009-02-02 08:57:55 +020054/* EM-X270 specific GPIOs */
Mike Rapoport3c85bce2008-06-16 08:16:46 +010055#define GPIO13_MMC_CD (13)
Mike Rapoport6432f462009-02-02 08:57:51 +020056#define GPIO95_MMC_WP (95)
Mike Rapoport7f14a782009-02-02 08:57:55 +020057#define GPIO56_NAND_RB (56)
Mike Rapoport76e3fc32009-05-12 16:31:13 +030058#define GPIO93_CAM_RESET (93)
Mike Rapoport128d88b2009-05-12 16:31:16 +030059#define GPIO16_USB_HUB_RESET (16)
Mike Rapoport7f14a782009-02-02 08:57:55 +020060
61/* eXeda specific GPIOs */
62#define GPIO114_MMC_CD (114)
63#define GPIO20_NAND_RB (20)
64#define GPIO38_SD_PWEN (38)
Mike Rapoport76e3fc32009-05-12 16:31:13 +030065#define GPIO37_WLAN_RST (37)
66#define GPIO95_TOUCHPAD_INT (95)
67#define GPIO130_CAM_RESET (130)
Mike Rapoport128d88b2009-05-12 16:31:16 +030068#define GPIO10_USB_HUB_RESET (10)
Mike Rapoport7f14a782009-02-02 08:57:55 +020069
70/* common GPIOs */
71#define GPIO11_NAND_CS (11)
Mike Rapoport7f14a782009-02-02 08:57:55 +020072#define GPIO41_ETHIRQ (41)
Haojian Zhuang6384fda2011-10-10 14:21:08 +080073#define EM_X270_ETHIRQ PXA_GPIO_TO_IRQ(GPIO41_ETHIRQ)
Mike Rapoportc9be0e32009-02-03 09:15:30 +020074#define GPIO115_WLAN_PWEN (115)
75#define GPIO19_WLAN_STRAP (19)
Mike Rapoport128d88b2009-05-12 16:31:16 +030076#define GPIO9_USB_VBUS_EN (9)
Mike Rapoport28c88042008-12-03 09:38:10 +020077
Mike Rapoport4a697e82009-02-02 08:57:54 +020078static int mmc_cd;
79static int nand_rb;
80static int dm9000_flags;
Mike Rapoport76e3fc32009-05-12 16:31:13 +030081static int cam_reset;
Mike Rapoport128d88b2009-05-12 16:31:16 +030082static int usb_hub_reset;
Mike Rapoport4a697e82009-02-02 08:57:54 +020083
84static unsigned long common_pin_config[] = {
Mike Rapoport3c85bce2008-06-16 08:16:46 +010085 /* AC'97 */
86 GPIO28_AC97_BITCLK,
87 GPIO29_AC97_SDATA_IN_0,
88 GPIO30_AC97_SDATA_OUT,
89 GPIO31_AC97_SYNC,
90 GPIO98_AC97_SYSCLK,
91 GPIO113_AC97_nRESET,
92
93 /* BTUART */
94 GPIO42_BTUART_RXD,
95 GPIO43_BTUART_TXD,
96 GPIO44_BTUART_CTS,
97 GPIO45_BTUART_RTS,
98
99 /* STUART */
100 GPIO46_STUART_RXD,
101 GPIO47_STUART_TXD,
102
103 /* MCI controller */
104 GPIO32_MMC_CLK,
105 GPIO112_MMC_CMD,
106 GPIO92_MMC_DAT_0,
107 GPIO109_MMC_DAT_1,
108 GPIO110_MMC_DAT_2,
109 GPIO111_MMC_DAT_3,
110
111 /* LCD */
Eric Miaobedbda92010-01-04 11:37:14 +0800112 GPIOxx_LCD_TFT_16BPP,
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100113
114 /* QCI */
115 GPIO84_CIF_FV,
116 GPIO25_CIF_LV,
117 GPIO53_CIF_MCLK,
118 GPIO54_CIF_PCLK,
119 GPIO81_CIF_DD_0,
120 GPIO55_CIF_DD_1,
121 GPIO51_CIF_DD_2,
122 GPIO50_CIF_DD_3,
123 GPIO52_CIF_DD_4,
124 GPIO48_CIF_DD_5,
125 GPIO17_CIF_DD_6,
126 GPIO12_CIF_DD_7,
127
128 /* I2C */
129 GPIO117_I2C_SCL,
130 GPIO118_I2C_SDA,
131
132 /* Keypad */
133 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
134 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
135 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
136 GPIO34_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
137 GPIO39_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH,
138 GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
139 GPIO91_KP_MKIN_6 | WAKEUP_ON_LEVEL_HIGH,
140 GPIO36_KP_MKIN_7 | WAKEUP_ON_LEVEL_HIGH,
141 GPIO103_KP_MKOUT_0,
142 GPIO104_KP_MKOUT_1,
143 GPIO105_KP_MKOUT_2,
144 GPIO106_KP_MKOUT_3,
145 GPIO107_KP_MKOUT_4,
146 GPIO108_KP_MKOUT_5,
147 GPIO96_KP_MKOUT_6,
148 GPIO22_KP_MKOUT_7,
149
150 /* SSP1 */
151 GPIO26_SSP1_RXD,
152 GPIO23_SSP1_SCLK,
153 GPIO24_SSP1_SFRM,
154 GPIO57_SSP1_TXD,
155
156 /* SSP2 */
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200157 GPIO19_GPIO, /* SSP2 clock is used as GPIO for Libertas pin-strap */
158 GPIO14_GPIO,
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100159 GPIO89_SSP2_TXD,
160 GPIO88_SSP2_RXD,
161
162 /* SDRAM and local bus */
163 GPIO15_nCS_1,
164 GPIO78_nCS_2,
165 GPIO79_nCS_3,
166 GPIO80_nCS_4,
167 GPIO49_nPWE,
168 GPIO18_RDY,
169
170 /* GPIO */
Mike Rapoport6432f462009-02-02 08:57:51 +0200171 GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* sleep/resume button */
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100172
173 /* power controls */
174 GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* GPRS_PWEN */
175 GPIO115_GPIO | MFP_LPM_DRIVE_LOW, /* WLAN_PWEN */
176
177 /* NAND controls */
178 GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100179
180 /* interrupts */
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100181 GPIO41_GPIO, /* DM9000 interrupt */
182};
183
Mike Rapoport4a697e82009-02-02 08:57:54 +0200184static unsigned long em_x270_pin_config[] = {
Mike Rapoport76e3fc32009-05-12 16:31:13 +0300185 GPIO13_GPIO, /* MMC card detect */
Mike Rapoport128d88b2009-05-12 16:31:16 +0300186 GPIO16_GPIO, /* USB hub reset */
Mike Rapoport76e3fc32009-05-12 16:31:13 +0300187 GPIO56_GPIO, /* NAND Ready/Busy */
188 GPIO93_GPIO | MFP_LPM_DRIVE_LOW, /* Camera reset */
189 GPIO95_GPIO, /* MMC Write protect */
Mike Rapoport4a697e82009-02-02 08:57:54 +0200190};
191
Mike Rapoport7f14a782009-02-02 08:57:55 +0200192static unsigned long exeda_pin_config[] = {
Mike Rapoport128d88b2009-05-12 16:31:16 +0300193 GPIO10_GPIO, /* USB hub reset */
Mike Rapoport7f14a782009-02-02 08:57:55 +0200194 GPIO20_GPIO, /* NAND Ready/Busy */
195 GPIO38_GPIO | MFP_LPM_DRIVE_LOW, /* SD slot power */
Mike Rapoport76e3fc32009-05-12 16:31:13 +0300196 GPIO95_GPIO, /* touchpad IRQ */
Mike Rapoport7f14a782009-02-02 08:57:55 +0200197 GPIO114_GPIO, /* MMC card detect */
198};
199
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100200#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
201static struct resource em_x270_dm9000_resource[] = {
Mike Rapoport3d505272007-07-18 11:31:46 +0100202 [0] = {
203 .start = PXA_CS2_PHYS,
204 .end = PXA_CS2_PHYS + 3,
205 .flags = IORESOURCE_MEM,
206 },
207 [1] = {
208 .start = PXA_CS2_PHYS + 8,
209 .end = PXA_CS2_PHYS + 8 + 0x3f,
210 .flags = IORESOURCE_MEM,
211 },
212 [2] = {
213 .start = EM_X270_ETHIRQ,
214 .end = EM_X270_ETHIRQ,
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100215 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
Mike Rapoport3d505272007-07-18 11:31:46 +0100216 }
217};
218
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100219static struct dm9000_plat_data em_x270_dm9000_platdata = {
Mike Rapoport4a697e82009-02-02 08:57:54 +0200220 .flags = DM9000_PLATF_NO_EEPROM,
Mike Rapoport3d505272007-07-18 11:31:46 +0100221};
222
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100223static struct platform_device em_x270_dm9000 = {
Mike Rapoport3d505272007-07-18 11:31:46 +0100224 .name = "dm9000",
225 .id = 0,
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100226 .num_resources = ARRAY_SIZE(em_x270_dm9000_resource),
227 .resource = em_x270_dm9000_resource,
Mike Rapoport3d505272007-07-18 11:31:46 +0100228 .dev = {
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100229 .platform_data = &em_x270_dm9000_platdata,
Mike Rapoport3d505272007-07-18 11:31:46 +0100230 }
231};
232
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100233static void __init em_x270_init_dm9000(void)
234{
Mike Rapoport4a697e82009-02-02 08:57:54 +0200235 em_x270_dm9000_platdata.flags |= dm9000_flags;
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100236 platform_device_register(&em_x270_dm9000);
237}
238#else
239static inline void em_x270_init_dm9000(void) {}
240#endif
Mike Rapoport3d505272007-07-18 11:31:46 +0100241
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100242/* V3020 RTC */
243#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
Mike Rapoport3d505272007-07-18 11:31:46 +0100244static struct resource em_x270_v3020_resource[] = {
245 [0] = {
246 .start = PXA_CS4_PHYS,
247 .end = PXA_CS4_PHYS + 3,
248 .flags = IORESOURCE_MEM,
249 },
250};
251
252static struct v3020_platform_data em_x270_v3020_platdata = {
253 .leftshift = 0,
254};
255
256static struct platform_device em_x270_rtc = {
257 .name = "v3020",
258 .num_resources = ARRAY_SIZE(em_x270_v3020_resource),
259 .resource = em_x270_v3020_resource,
260 .id = -1,
261 .dev = {
262 .platform_data = &em_x270_v3020_platdata,
263 }
264};
265
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100266static void __init em_x270_init_rtc(void)
267{
268 platform_device_register(&em_x270_rtc);
269}
270#else
271static inline void em_x270_init_rtc(void) {}
272#endif
Mike Rapoport3d505272007-07-18 11:31:46 +0100273
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100274/* NAND flash */
275#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
Mike Rapoport3d505272007-07-18 11:31:46 +0100276static inline void nand_cs_on(void)
277{
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100278 gpio_set_value(GPIO11_NAND_CS, 0);
Mike Rapoport3d505272007-07-18 11:31:46 +0100279}
280
281static void nand_cs_off(void)
282{
283 dsb();
284
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100285 gpio_set_value(GPIO11_NAND_CS, 1);
Mike Rapoport3d505272007-07-18 11:31:46 +0100286}
287
288/* hardware specific access to control-lines */
289static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
290 unsigned int ctrl)
291{
292 struct nand_chip *this = mtd->priv;
293 unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
294
295 dsb();
296
297 if (ctrl & NAND_CTRL_CHANGE) {
298 if (ctrl & NAND_ALE)
299 nandaddr |= (1 << 3);
300 else
301 nandaddr &= ~(1 << 3);
302 if (ctrl & NAND_CLE)
303 nandaddr |= (1 << 2);
304 else
305 nandaddr &= ~(1 << 2);
306 if (ctrl & NAND_NCE)
307 nand_cs_on();
308 else
309 nand_cs_off();
310 }
311
312 dsb();
313 this->IO_ADDR_W = (void __iomem *)nandaddr;
314 if (dat != NAND_CMD_NONE)
315 writel(dat, this->IO_ADDR_W);
316
317 dsb();
318}
319
320/* read device ready pin */
321static int em_x270_nand_device_ready(struct mtd_info *mtd)
322{
323 dsb();
324
Mike Rapoport4a697e82009-02-02 08:57:54 +0200325 return gpio_get_value(nand_rb);
Mike Rapoport3d505272007-07-18 11:31:46 +0100326}
327
328static struct mtd_partition em_x270_partition_info[] = {
329 [0] = {
330 .name = "em_x270-0",
331 .offset = 0,
332 .size = SZ_4M,
333 },
334 [1] = {
335 .name = "em_x270-1",
336 .offset = MTDPART_OFS_APPEND,
337 .size = MTDPART_SIZ_FULL
338 },
339};
340
Mike Rapoport3d505272007-07-18 11:31:46 +0100341struct platform_nand_data em_x270_nand_platdata = {
342 .chip = {
343 .nr_chips = 1,
344 .chip_offset = 0,
345 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
346 .partitions = em_x270_partition_info,
347 .chip_delay = 20,
Mike Rapoport3d505272007-07-18 11:31:46 +0100348 },
349 .ctrl = {
350 .hwcontrol = 0,
351 .dev_ready = em_x270_nand_device_ready,
352 .select_chip = 0,
353 .cmd_ctrl = em_x270_nand_cmd_ctl,
354 },
355};
356
357static struct resource em_x270_nand_resource[] = {
358 [0] = {
359 .start = PXA_CS1_PHYS,
360 .end = PXA_CS1_PHYS + 12,
361 .flags = IORESOURCE_MEM,
362 },
363};
364
365static struct platform_device em_x270_nand = {
366 .name = "gen_nand",
367 .num_resources = ARRAY_SIZE(em_x270_nand_resource),
368 .resource = em_x270_nand_resource,
369 .id = -1,
370 .dev = {
371 .platform_data = &em_x270_nand_platdata,
372 }
373};
374
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100375static void __init em_x270_init_nand(void)
376{
377 int err;
Mike Rapoport3d505272007-07-18 11:31:46 +0100378
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100379 err = gpio_request(GPIO11_NAND_CS, "NAND CS");
380 if (err) {
381 pr_warning("EM-X270: failed to request NAND CS gpio\n");
382 return;
383 }
384
385 gpio_direction_output(GPIO11_NAND_CS, 1);
386
Mike Rapoport4a697e82009-02-02 08:57:54 +0200387 err = gpio_request(nand_rb, "NAND R/B");
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100388 if (err) {
389 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
390 gpio_free(GPIO11_NAND_CS);
391 return;
392 }
393
Mike Rapoport4a697e82009-02-02 08:57:54 +0200394 gpio_direction_input(nand_rb);
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100395
396 platform_device_register(&em_x270_nand);
397}
398#else
399static inline void em_x270_init_nand(void) {}
400#endif
Mike Rapoport3d505272007-07-18 11:31:46 +0100401
Mike Rapoport28c88042008-12-03 09:38:10 +0200402#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
403static struct mtd_partition em_x270_nor_parts[] = {
404 {
405 .name = "Bootloader",
406 .offset = 0x00000000,
407 .size = 0x00050000,
408 .mask_flags = MTD_WRITEABLE /* force read-only */
409 }, {
410 .name = "Environment",
411 .offset = 0x00050000,
412 .size = 0x00010000,
413 }, {
414 .name = "Reserved",
415 .offset = 0x00060000,
416 .size = 0x00050000,
417 .mask_flags = MTD_WRITEABLE /* force read-only */
418 }, {
419 .name = "Splashscreen",
420 .offset = 0x000b0000,
421 .size = 0x00050000,
422 }
423};
424
425static struct physmap_flash_data em_x270_nor_data[] = {
426 [0] = {
427 .width = 2,
428 .parts = em_x270_nor_parts,
429 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
430 },
431};
432
433static struct resource em_x270_nor_flash_resource = {
434 .start = PXA_CS0_PHYS,
435 .end = PXA_CS0_PHYS + SZ_1M - 1,
436 .flags = IORESOURCE_MEM,
437};
438
439static struct platform_device em_x270_physmap_flash = {
440 .name = "physmap-flash",
441 .id = 0,
442 .num_resources = 1,
443 .resource = &em_x270_nor_flash_resource,
444 .dev = {
445 .platform_data = &em_x270_nor_data,
446 },
447};
448
449static void __init em_x270_init_nor(void)
450{
451 platform_device_register(&em_x270_physmap_flash);
452}
453#else
454static inline void em_x270_init_nor(void) {}
455#endif
456
Mike Rapoport3d505272007-07-18 11:31:46 +0100457/* PXA27x OHCI controller setup */
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100458#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
Mike Rapoport128d88b2009-05-12 16:31:16 +0300459static struct regulator *em_x270_usb_ldo;
460
461static int em_x270_usb_hub_init(void)
462{
463 int err;
464
465 em_x270_usb_ldo = regulator_get(NULL, "vcc usb");
466 if (IS_ERR(em_x270_usb_ldo))
467 return PTR_ERR(em_x270_usb_ldo);
468
469 err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en");
470 if (err)
471 goto err_free_usb_ldo;
472
473 err = gpio_request(usb_hub_reset, "hub rst");
474 if (err)
475 goto err_free_vbus_gpio;
476
477 /* USB Hub power-on and reset */
Igor Grinberg1b82e4c2009-12-06 15:45:43 +0200478 gpio_direction_output(usb_hub_reset, 1);
479 gpio_direction_output(GPIO9_USB_VBUS_EN, 0);
Arnd Bergmanna829abf2013-07-05 17:51:20 +0200480 err = regulator_enable(em_x270_usb_ldo);
481 if (err)
482 goto err_free_rst_gpio;
483
Mike Rapoport128d88b2009-05-12 16:31:16 +0300484 gpio_set_value(usb_hub_reset, 0);
Igor Grinberg1b82e4c2009-12-06 15:45:43 +0200485 gpio_set_value(usb_hub_reset, 1);
Mike Rapoport128d88b2009-05-12 16:31:16 +0300486 regulator_disable(em_x270_usb_ldo);
Arnd Bergmanna829abf2013-07-05 17:51:20 +0200487 err = regulator_enable(em_x270_usb_ldo);
488 if (err)
489 goto err_free_rst_gpio;
490
Igor Grinberg1b82e4c2009-12-06 15:45:43 +0200491 gpio_set_value(usb_hub_reset, 0);
492 gpio_set_value(GPIO9_USB_VBUS_EN, 1);
Mike Rapoport128d88b2009-05-12 16:31:16 +0300493
494 return 0;
495
Arnd Bergmanna829abf2013-07-05 17:51:20 +0200496err_free_rst_gpio:
497 gpio_free(usb_hub_reset);
Mike Rapoport128d88b2009-05-12 16:31:16 +0300498err_free_vbus_gpio:
499 gpio_free(GPIO9_USB_VBUS_EN);
500err_free_usb_ldo:
501 regulator_put(em_x270_usb_ldo);
502
503 return err;
504}
505
Mike Rapoport3d505272007-07-18 11:31:46 +0100506static int em_x270_ohci_init(struct device *dev)
507{
Mike Rapoport128d88b2009-05-12 16:31:16 +0300508 int err;
509
510 /* we don't want to entirely disable USB if the HUB init failed */
511 err = em_x270_usb_hub_init();
512 if (err)
513 pr_err("USB Hub initialization failed: %d\n", err);
514
Mike Rapoport3d505272007-07-18 11:31:46 +0100515 /* enable port 2 transiever */
516 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
517
518 return 0;
519}
520
Mike Rapoport128d88b2009-05-12 16:31:16 +0300521static void em_x270_ohci_exit(struct device *dev)
522{
523 gpio_free(usb_hub_reset);
524 gpio_free(GPIO9_USB_VBUS_EN);
525
526 if (!IS_ERR(em_x270_usb_ldo)) {
527 if (regulator_is_enabled(em_x270_usb_ldo))
528 regulator_disable(em_x270_usb_ldo);
529
530 regulator_put(em_x270_usb_ldo);
531 }
532}
533
Mike Rapoport3d505272007-07-18 11:31:46 +0100534static struct pxaohci_platform_data em_x270_ohci_platform_data = {
535 .port_mode = PMM_PERPORT_MODE,
Eric Miao097b5332008-09-27 15:49:57 +0800536 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
Mike Rapoport3d505272007-07-18 11:31:46 +0100537 .init = em_x270_ohci_init,
Mike Rapoport128d88b2009-05-12 16:31:16 +0300538 .exit = em_x270_ohci_exit,
Mike Rapoport3d505272007-07-18 11:31:46 +0100539};
540
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100541static void __init em_x270_init_ohci(void)
542{
543 pxa_set_ohci_info(&em_x270_ohci_platform_data);
544}
545#else
546static inline void em_x270_init_ohci(void) {}
547#endif
Mike Rapoport3d505272007-07-18 11:31:46 +0100548
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100549/* MCI controller setup */
550#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
Mike Rapoport6432f462009-02-02 08:57:51 +0200551static struct regulator *em_x270_sdio_ldo;
552
Mike Rapoport3d505272007-07-18 11:31:46 +0100553static int em_x270_mci_init(struct device *dev,
554 irq_handler_t em_x270_detect_int,
555 void *data)
556{
Mike Rapoport6432f462009-02-02 08:57:51 +0200557 int err;
558
559 em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
560 if (IS_ERR(em_x270_sdio_ldo)) {
561 dev_err(dev, "can't request SDIO power supply: %ld\n",
562 PTR_ERR(em_x270_sdio_ldo));
563 return PTR_ERR(em_x270_sdio_ldo);
Mike Rapoport3d505272007-07-18 11:31:46 +0100564 }
565
Mike Rapoport4a697e82009-02-02 08:57:54 +0200566 err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
Mike Rapoport6432f462009-02-02 08:57:51 +0200567 IRQF_DISABLED | IRQF_TRIGGER_RISING |
568 IRQF_TRIGGER_FALLING,
569 "MMC card detect", data);
570 if (err) {
571 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
572 goto err_irq;
573 }
574
Mike Rapoport7f14a782009-02-02 08:57:55 +0200575 if (machine_is_em_x270()) {
576 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
577 if (err) {
578 dev_err(dev, "can't request MMC write protect: %d\n",
579 err);
580 goto err_gpio_wp;
581 }
582 gpio_direction_input(GPIO95_MMC_WP);
583 } else {
584 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
585 if (err) {
586 dev_err(dev, "can't request MMC power control : %d\n",
587 err);
588 goto err_gpio_wp;
589 }
590 gpio_direction_output(GPIO38_SD_PWEN, 1);
Mike Rapoport6432f462009-02-02 08:57:51 +0200591 }
592
Mike Rapoport3d505272007-07-18 11:31:46 +0100593 return 0;
Mike Rapoport6432f462009-02-02 08:57:51 +0200594
595err_gpio_wp:
Mike Rapoport4a697e82009-02-02 08:57:54 +0200596 free_irq(gpio_to_irq(mmc_cd), data);
Mike Rapoport6432f462009-02-02 08:57:51 +0200597err_irq:
598 regulator_put(em_x270_sdio_ldo);
599
600 return err;
Mike Rapoport3d505272007-07-18 11:31:46 +0100601}
602
Arnd Bergmanna829abf2013-07-05 17:51:20 +0200603static int em_x270_mci_setpower(struct device *dev, unsigned int vdd)
Mike Rapoport3d505272007-07-18 11:31:46 +0100604{
Mike Rapoport6432f462009-02-02 08:57:51 +0200605 struct pxamci_platform_data* p_d = dev->platform_data;
606
607 if ((1 << vdd) & p_d->ocr_mask) {
608 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
609
610 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
Arnd Bergmanna829abf2013-07-05 17:51:20 +0200611 return regulator_enable(em_x270_sdio_ldo);
Mike Rapoport6432f462009-02-02 08:57:51 +0200612 } else {
613 regulator_disable(em_x270_sdio_ldo);
614 }
Arnd Bergmanna829abf2013-07-05 17:51:20 +0200615 return 0;
Mike Rapoport3d505272007-07-18 11:31:46 +0100616}
617
618static void em_x270_mci_exit(struct device *dev, void *data)
619{
Mike Rapoport4a697e82009-02-02 08:57:54 +0200620 free_irq(gpio_to_irq(mmc_cd), data);
Mike Rapoport7f14a782009-02-02 08:57:55 +0200621 regulator_put(em_x270_sdio_ldo);
622
623 if (machine_is_em_x270())
624 gpio_free(GPIO95_MMC_WP);
625 else
626 gpio_free(GPIO38_SD_PWEN);
Mike Rapoport6432f462009-02-02 08:57:51 +0200627}
628
629static int em_x270_mci_get_ro(struct device *dev)
630{
631 return gpio_get_value(GPIO95_MMC_WP);
Mike Rapoport3d505272007-07-18 11:31:46 +0100632}
633
634static struct pxamci_platform_data em_x270_mci_platform_data = {
Eric Miaof97cab22010-04-14 07:00:42 +0800635 .detect_delay_ms = 250,
Robert Jarzmik7a648252009-07-06 22:16:42 +0200636 .ocr_mask = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
637 MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
638 MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
639 MMC_VDD_30_31|MMC_VDD_31_32,
640 .init = em_x270_mci_init,
641 .setpower = em_x270_mci_setpower,
642 .exit = em_x270_mci_exit,
643 .gpio_card_detect = -1,
644 .gpio_card_ro = -1,
645 .gpio_power = -1,
Mike Rapoport3d505272007-07-18 11:31:46 +0100646};
647
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100648static void __init em_x270_init_mmc(void)
649{
Mike Rapoport7f14a782009-02-02 08:57:55 +0200650 if (machine_is_em_x270())
651 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
652
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100653 pxa_set_mci_info(&em_x270_mci_platform_data);
654}
655#else
656static inline void em_x270_init_mmc(void) {}
657#endif
658
Mike Rapoport28c88042008-12-03 09:38:10 +0200659/* LCD */
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100660#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
Mike Rapoport28c88042008-12-03 09:38:10 +0200661static struct pxafb_mode_info em_x270_lcd_modes[] = {
662 [0] = {
663 .pixclock = 38250,
664 .bpp = 16,
665 .xres = 480,
666 .yres = 640,
667 .hsync_len = 8,
668 .vsync_len = 2,
669 .left_margin = 8,
670 .upper_margin = 2,
671 .right_margin = 24,
672 .lower_margin = 4,
673 .sync = 0,
674 },
675 [1] = {
676 .pixclock = 153800,
677 .bpp = 16,
678 .xres = 240,
679 .yres = 320,
680 .hsync_len = 8,
681 .vsync_len = 2,
682 .left_margin = 8,
683 .upper_margin = 2,
684 .right_margin = 88,
685 .lower_margin = 2,
686 .sync = 0,
687 },
Mike Rapoport3d505272007-07-18 11:31:46 +0100688};
689
690static struct pxafb_mach_info em_x270_lcd = {
Mike Rapoport28c88042008-12-03 09:38:10 +0200691 .modes = em_x270_lcd_modes,
692 .num_modes = 2,
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100693 .lcd_conn = LCD_COLOR_TFT_16BPP,
Mike Rapoport3d505272007-07-18 11:31:46 +0100694};
Mike Rapoport28c88042008-12-03 09:38:10 +0200695
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100696static void __init em_x270_init_lcd(void)
697{
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800698 pxa_set_fb_info(NULL, &em_x270_lcd);
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100699}
700#else
701static inline void em_x270_init_lcd(void) {}
702#endif
703
Mike Rapoport28c88042008-12-03 09:38:10 +0200704#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
705static struct pxa2xx_spi_master em_x270_spi_info = {
706 .num_chipselect = 1,
707};
708
709static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
Mike Rapoportbd9d0742009-04-14 08:32:55 +0300710 .rx_threshold = 1,
711 .tx_threshold = 1,
712 .gpio_cs = -1,
Mike Rapoport28c88042008-12-03 09:38:10 +0200713};
714
715static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
716 .model = TDO35S,
717};
718
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200719static struct pxa2xx_spi_master em_x270_spi_2_info = {
720 .num_chipselect = 1,
721 .enable_dma = 1,
722};
723
724static struct pxa2xx_spi_chip em_x270_libertas_chip = {
725 .rx_threshold = 1,
726 .tx_threshold = 1,
727 .timeout = 1000,
Mike Rapoport3cb05c92009-06-16 15:19:24 +0300728 .gpio_cs = 14,
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200729};
730
731static unsigned long em_x270_libertas_pin_config[] = {
732 /* SSP2 */
733 GPIO19_SSP2_SCLK,
734 GPIO14_GPIO,
735 GPIO89_SSP2_TXD,
736 GPIO88_SSP2_RXD,
737};
738
739static int em_x270_libertas_setup(struct spi_device *spi)
740{
741 int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
742 if (err)
743 return err;
744
Mike Rapoport2f15cb52009-05-12 16:31:14 +0300745 err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
746 if (err)
747 goto err_free_pwen;
748
749 if (machine_is_exeda()) {
750 err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
751 if (err)
752 goto err_free_strap;
753
754 gpio_direction_output(GPIO37_WLAN_RST, 1);
755 msleep(100);
756 }
757
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200758 gpio_direction_output(GPIO19_WLAN_STRAP, 1);
Mike Rapoport2f15cb52009-05-12 16:31:14 +0300759 msleep(100);
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200760
761 pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
762
763 gpio_direction_output(GPIO115_WLAN_PWEN, 0);
Mike Rapoport2f15cb52009-05-12 16:31:14 +0300764 msleep(100);
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200765 gpio_set_value(GPIO115_WLAN_PWEN, 1);
Mike Rapoport2f15cb52009-05-12 16:31:14 +0300766 msleep(100);
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200767
768 spi->bits_per_word = 16;
769 spi_setup(spi);
770
771 return 0;
Mike Rapoport2f15cb52009-05-12 16:31:14 +0300772
773err_free_strap:
774 gpio_free(GPIO19_WLAN_STRAP);
775err_free_pwen:
776 gpio_free(GPIO115_WLAN_PWEN);
777
778 return err;
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200779}
780
781static int em_x270_libertas_teardown(struct spi_device *spi)
782{
783 gpio_set_value(GPIO115_WLAN_PWEN, 0);
784 gpio_free(GPIO115_WLAN_PWEN);
Mike Rapoport2f15cb52009-05-12 16:31:14 +0300785 gpio_free(GPIO19_WLAN_STRAP);
786
787 if (machine_is_exeda()) {
788 gpio_set_value(GPIO37_WLAN_RST, 0);
789 gpio_free(GPIO37_WLAN_RST);
790 }
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200791
792 return 0;
793}
794
795struct libertas_spi_platform_data em_x270_libertas_pdata = {
796 .use_dummy_writes = 1,
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200797 .setup = em_x270_libertas_setup,
798 .teardown = em_x270_libertas_teardown,
799};
800
Mike Rapoport28c88042008-12-03 09:38:10 +0200801static struct spi_board_info em_x270_spi_devices[] __initdata = {
802 {
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200803 .modalias = "tdo24m",
804 .max_speed_hz = 1000000,
805 .bus_num = 1,
806 .chip_select = 0,
807 .controller_data = &em_x270_tdo24m_chip,
808 .platform_data = &em_x270_tdo24m_pdata,
809 },
810 {
811 .modalias = "libertas_spi",
812 .max_speed_hz = 13000000,
813 .bus_num = 2,
Haojian Zhuang6384fda2011-10-10 14:21:08 +0800814 .irq = PXA_GPIO_TO_IRQ(116),
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200815 .chip_select = 0,
816 .controller_data = &em_x270_libertas_chip,
817 .platform_data = &em_x270_libertas_pdata,
Mike Rapoport28c88042008-12-03 09:38:10 +0200818 },
819};
820
821static void __init em_x270_init_spi(void)
822{
823 pxa2xx_set_spi_info(1, &em_x270_spi_info);
Mike Rapoportc9be0e32009-02-03 09:15:30 +0200824 pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
Mike Rapoport28c88042008-12-03 09:38:10 +0200825 spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
826}
827#else
828static inline void em_x270_init_spi(void) {}
829#endif
830
Mike Rapoport303f2d72009-06-14 12:04:19 +0300831#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
Mike Rapoportc63a5752009-05-11 15:06:16 +0300832static pxa2xx_audio_ops_t em_x270_ac97_info = {
833 .reset_gpio = 113,
834};
835
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100836static void __init em_x270_init_ac97(void)
837{
Mike Rapoportc63a5752009-05-11 15:06:16 +0300838 pxa_set_ac97_info(&em_x270_ac97_info);
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100839}
840#else
841static inline void em_x270_init_ac97(void) {}
842#endif
843
844#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
Chao Xie0a085a92013-05-05 20:24:58 -0700845static const unsigned int em_x270_module_matrix_keys[] = {
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100846 KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
847 KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
848 KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
849};
850
Chao Xie0a085a92013-05-05 20:24:58 -0700851static struct matrix_keymap_data em_x270_matrix_keymap_data = {
852 .keymap = em_x270_module_matrix_keys,
853 .keymap_size = ARRAY_SIZE(em_x270_module_matrix_keys),
854};
855
Mike Rapoport7f14a782009-02-02 08:57:55 +0200856struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100857 /* code map for the matrix keys */
858 .matrix_key_rows = 3,
859 .matrix_key_cols = 3,
Chao Xie0a085a92013-05-05 20:24:58 -0700860 .matrix_keymap_data = &em_x270_matrix_keymap_data,
Mike Rapoport7f14a782009-02-02 08:57:55 +0200861};
862
Chao Xie0a085a92013-05-05 20:24:58 -0700863static const unsigned int em_x270_exeda_matrix_keys[] = {
Mike Rapoport7f14a782009-02-02 08:57:55 +0200864 KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
865 KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
866 KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
867 KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
868
869 KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
870 KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
871 KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
872 KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
873
874 KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
875 KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
876 KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
877 KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
878
879 KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
880 KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
881 KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
882 KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
883
884 KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
885 KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
886 KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
887 KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
888
889 KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
890 KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
891 KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
892 KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
893
894 KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
895 KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
896 KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
897 KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
898
899 KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
900 KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
901 KEY(7, 4, 0), KEY(7, 5, 0),
902 KEY(7, 6, 0), KEY(7, 7, 0),
903};
904
Chao Xie0a085a92013-05-05 20:24:58 -0700905static struct matrix_keymap_data em_x270_exeda_matrix_keymap_data = {
906 .keymap = em_x270_exeda_matrix_keys,
907 .keymap_size = ARRAY_SIZE(em_x270_exeda_matrix_keys),
908};
909
Mike Rapoport7f14a782009-02-02 08:57:55 +0200910struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
911 /* code map for the matrix keys */
912 .matrix_key_rows = 8,
913 .matrix_key_cols = 8,
Chao Xie0a085a92013-05-05 20:24:58 -0700914 .matrix_keymap_data = &em_x270_exeda_matrix_keymap_data,
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100915};
916
917static void __init em_x270_init_keypad(void)
918{
Mike Rapoport7f14a782009-02-02 08:57:55 +0200919 if (machine_is_em_x270())
920 pxa_set_keypad_info(&em_x270_module_keypad_info);
921 else
922 pxa_set_keypad_info(&em_x270_exeda_keypad_info);
Mike Rapoport3c85bce2008-06-16 08:16:46 +0100923}
924#else
925static inline void em_x270_init_keypad(void) {}
926#endif
927
928#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
929static struct gpio_keys_button gpio_keys_button[] = {
930 [0] = {
931 .desc = "sleep/wakeup",
932 .code = KEY_SUSPEND,
933 .type = EV_PWR,
934 .gpio = 1,
935 .wakeup = 1,
936 },
937};
938
939static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
940 .buttons = gpio_keys_button,
941 .nbuttons = 1,
942};
943
944static struct platform_device em_x270_gpio_keys = {
945 .name = "gpio-keys",
946 .id = -1,
947 .dev = {
948 .platform_data = &em_x270_gpio_keys_data,
949 },
950};
951
952static void __init em_x270_init_gpio_keys(void)
953{
954 platform_device_register(&em_x270_gpio_keys);
955}
956#else
957static inline void em_x270_init_gpio_keys(void) {}
958#endif
Mike Rapoport3d505272007-07-18 11:31:46 +0100959
Mike Rapoport28c88042008-12-03 09:38:10 +0200960/* Quick Capture Interface and sensor setup */
961#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
962static struct regulator *em_x270_camera_ldo;
963
Antonio Ospitea7f2bdb32009-11-27 21:30:23 +0100964static int em_x270_sensor_init(void)
Mike Rapoport28c88042008-12-03 09:38:10 +0200965{
966 int ret;
967
Mike Rapoport76e3fc32009-05-12 16:31:13 +0300968 ret = gpio_request(cam_reset, "camera reset");
Mike Rapoport28c88042008-12-03 09:38:10 +0200969 if (ret)
970 return ret;
971
Mike Rapoport76e3fc32009-05-12 16:31:13 +0300972 gpio_direction_output(cam_reset, 0);
Mike Rapoport28c88042008-12-03 09:38:10 +0200973
974 em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
975 if (em_x270_camera_ldo == NULL) {
Mike Rapoport76e3fc32009-05-12 16:31:13 +0300976 gpio_free(cam_reset);
Mike Rapoport28c88042008-12-03 09:38:10 +0200977 return -ENODEV;
978 }
979
980 ret = regulator_enable(em_x270_camera_ldo);
981 if (ret) {
982 regulator_put(em_x270_camera_ldo);
Mike Rapoport76e3fc32009-05-12 16:31:13 +0300983 gpio_free(cam_reset);
Mike Rapoport28c88042008-12-03 09:38:10 +0200984 return ret;
985 }
986
Mike Rapoport76e3fc32009-05-12 16:31:13 +0300987 gpio_set_value(cam_reset, 1);
Mike Rapoport28c88042008-12-03 09:38:10 +0200988
989 return 0;
990}
991
992struct pxacamera_platform_data em_x270_camera_platform_data = {
Mike Rapoport28c88042008-12-03 09:38:10 +0200993 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
994 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
995 .mclk_10khz = 2600,
996};
997
998static int em_x270_sensor_power(struct device *dev, int on)
999{
1000 int ret;
1001 int is_on = regulator_is_enabled(em_x270_camera_ldo);
1002
1003 if (on == is_on)
1004 return 0;
1005
Mike Rapoport76e3fc32009-05-12 16:31:13 +03001006 gpio_set_value(cam_reset, !on);
Mike Rapoport28c88042008-12-03 09:38:10 +02001007
1008 if (on)
1009 ret = regulator_enable(em_x270_camera_ldo);
1010 else
1011 ret = regulator_disable(em_x270_camera_ldo);
1012
1013 if (ret)
1014 return ret;
1015
Mike Rapoport76e3fc32009-05-12 16:31:13 +03001016 gpio_set_value(cam_reset, on);
Mike Rapoport28c88042008-12-03 09:38:10 +02001017
1018 return 0;
1019}
1020
Mike Rapoport28c88042008-12-03 09:38:10 +02001021static struct i2c_board_info em_x270_i2c_cam_info[] = {
1022 {
1023 I2C_BOARD_INFO("mt9m111", 0x48),
Guennadi Liakhovetski489db6a2009-05-12 18:12:29 +02001024 },
1025};
1026
1027static struct soc_camera_link iclink = {
1028 .bus_id = 0,
1029 .power = em_x270_sensor_power,
1030 .board_info = &em_x270_i2c_cam_info[0],
1031 .i2c_adapter_id = 0,
Guennadi Liakhovetski489db6a2009-05-12 18:12:29 +02001032};
1033
1034static struct platform_device em_x270_camera = {
1035 .name = "soc-camera-pdrv",
1036 .id = -1,
1037 .dev = {
Mike Rapoport28c88042008-12-03 09:38:10 +02001038 .platform_data = &iclink,
1039 },
1040};
1041
Mike Rapoport28c88042008-12-03 09:38:10 +02001042static void __init em_x270_init_camera(void)
1043{
Antonio Ospitea7f2bdb32009-11-27 21:30:23 +01001044 if (em_x270_sensor_init() == 0) {
1045 pxa_set_camera_info(&em_x270_camera_platform_data);
1046 platform_device_register(&em_x270_camera);
1047 }
Mike Rapoport28c88042008-12-03 09:38:10 +02001048}
1049#else
1050static inline void em_x270_init_camera(void) {}
1051#endif
1052
Mike Rapoporta37ed432009-05-18 08:53:56 +03001053static struct regulator_bulk_data em_x270_gps_consumer_supply = {
1054 .supply = "vcc gps",
1055};
1056
1057static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = {
1058 .name = "vcc gps",
1059 .num_supplies = 1,
1060 .supplies = &em_x270_gps_consumer_supply,
1061};
1062
1063static struct platform_device em_x270_gps_userspace_consumer = {
1064 .name = "reg-userspace-consumer",
1065 .id = 0,
1066 .dev = {
1067 .platform_data = &em_x270_gps_consumer_data,
1068 },
1069};
1070
1071static struct regulator_bulk_data em_x270_gprs_consumer_supply = {
1072 .supply = "vcc gprs",
1073};
1074
1075static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = {
1076 .name = "vcc gprs",
1077 .num_supplies = 1,
1078 .supplies = &em_x270_gprs_consumer_supply
1079};
1080
1081static struct platform_device em_x270_gprs_userspace_consumer = {
1082 .name = "reg-userspace-consumer",
1083 .id = 1,
1084 .dev = {
1085 .platform_data = &em_x270_gprs_consumer_data,
1086 }
1087};
1088
1089static struct platform_device *em_x270_userspace_consumers[] = {
1090 &em_x270_gps_userspace_consumer,
1091 &em_x270_gprs_userspace_consumer,
1092};
1093
1094static void __init em_x270_userspace_consumers_init(void)
1095{
1096 platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers));
1097}
1098
Mike Rapoport28c88042008-12-03 09:38:10 +02001099/* DA9030 related initializations */
Paul Gortmaker804d2312012-03-30 08:41:02 +08001100#define REGULATOR_CONSUMER(_name, _dev_name, _supply) \
Mike Rapoport432adf12009-02-02 08:57:52 +02001101 static struct regulator_consumer_supply _name##_consumers[] = { \
Axel Lin0bf189a2012-05-08 16:25:10 +08001102 REGULATOR_SUPPLY(_supply, _dev_name), \
Mike Rapoport432adf12009-02-02 08:57:52 +02001103 }
Mike Rapoport28c88042008-12-03 09:38:10 +02001104
Paul Gortmaker804d2312012-03-30 08:41:02 +08001105REGULATOR_CONSUMER(ldo3, "reg-userspace-consumer.0", "vcc gps");
Mike Rapoport432adf12009-02-02 08:57:52 +02001106REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
Paul Gortmaker804d2312012-03-30 08:41:02 +08001107REGULATOR_CONSUMER(ldo10, "pxa2xx-mci", "vcc sdio");
Mike Rapoport432adf12009-02-02 08:57:52 +02001108REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
Paul Gortmaker804d2312012-03-30 08:41:02 +08001109REGULATOR_CONSUMER(ldo19, "reg-userspace-consumer.1", "vcc gprs");
Mike Rapoport100a1d22009-07-26 13:48:40 +03001110REGULATOR_CONSUMER(buck2, NULL, "vcc_core");
Mike Rapoport28c88042008-12-03 09:38:10 +02001111
Mike Rapoport432adf12009-02-02 08:57:52 +02001112#define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask) \
1113 static struct regulator_init_data _ldo##_data = { \
1114 .constraints = { \
1115 .min_uV = _min_uV, \
1116 .max_uV = _max_uV, \
1117 .state_mem = { \
1118 .enabled = 0, \
1119 }, \
1120 .valid_ops_mask = _ops_mask, \
Mike Rapoporta37ed432009-05-18 08:53:56 +03001121 .apply_uV = 1, \
Mike Rapoport432adf12009-02-02 08:57:52 +02001122 }, \
1123 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers), \
1124 .consumer_supplies = _ldo##_consumers, \
1125 };
Mike Rapoport6432f462009-02-02 08:57:51 +02001126
Mike Rapoport432adf12009-02-02 08:57:52 +02001127REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1128REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1129REGULATOR_INIT(ldo10, 2000000, 3200000,
1130 REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
1131REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1132REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
Mike Rapoport100a1d22009-07-26 13:48:40 +03001133REGULATOR_INIT(buck2, 1000000, 1650000, REGULATOR_CHANGE_VOLTAGE);
Mike Rapoport28c88042008-12-03 09:38:10 +02001134
1135struct led_info em_x270_led_info = {
1136 .name = "em-x270:orange",
1137 .default_trigger = "battery-charging-or-full",
1138};
1139
Mike Rapoport9f055c42009-02-02 08:57:53 +02001140struct power_supply_info em_x270_psy_info = {
Mike Rapoport3690a0f2009-05-12 16:31:15 +03001141 .name = "battery",
Mike Rapoport9f055c42009-02-02 08:57:53 +02001142 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
1143 .voltage_max_design = 4200000,
1144 .voltage_min_design = 3000000,
1145 .use_for_apm = 1,
1146};
1147
1148static void em_x270_battery_low(void)
1149{
Mike Rapoport1d3e2162009-07-21 17:09:52 +03001150#if defined(CONFIG_APM_EMULATION)
Mike Rapoport9f055c42009-02-02 08:57:53 +02001151 apm_queue_event(APM_LOW_BATTERY);
Mike Rapoport1d3e2162009-07-21 17:09:52 +03001152#endif
Mike Rapoport9f055c42009-02-02 08:57:53 +02001153}
1154
1155static void em_x270_battery_critical(void)
1156{
Mike Rapoport1d3e2162009-07-21 17:09:52 +03001157#if defined(CONFIG_APM_EMULATION)
Mike Rapoport9f055c42009-02-02 08:57:53 +02001158 apm_queue_event(APM_CRITICAL_SUSPEND);
Mike Rapoport1d3e2162009-07-21 17:09:52 +03001159#endif
Mike Rapoport9f055c42009-02-02 08:57:53 +02001160}
1161
1162struct da9030_battery_info em_x270_batterty_info = {
1163 .battery_info = &em_x270_psy_info,
1164
1165 .charge_milliamp = 1000,
1166 .charge_millivolt = 4200,
1167
1168 .vbat_low = 3600,
1169 .vbat_crit = 3400,
1170 .vbat_charge_start = 4100,
1171 .vbat_charge_stop = 4200,
1172 .vbat_charge_restart = 4000,
1173
1174 .vcharge_min = 3200,
1175 .vcharge_max = 5500,
1176
1177 .tbat_low = 197,
1178 .tbat_high = 78,
1179 .tbat_restart = 100,
1180
1181 .batmon_interval = 0,
1182
1183 .battery_low = em_x270_battery_low,
1184 .battery_critical = em_x270_battery_critical,
1185};
1186
Mike Rapoport432adf12009-02-02 08:57:52 +02001187#define DA9030_SUBDEV(_name, _id, _pdata) \
1188 { \
1189 .name = "da903x-" #_name, \
1190 .id = DA9030_ID_##_id, \
1191 .platform_data = _pdata, \
Mike Rapoport28c88042008-12-03 09:38:10 +02001192 }
Mike Rapoport432adf12009-02-02 08:57:52 +02001193
1194#define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
1195
1196struct da903x_subdev_info em_x270_da9030_subdevs[] = {
1197 DA9030_LDO(3),
1198 DA9030_LDO(5),
1199 DA9030_LDO(10),
1200 DA9030_LDO(12),
1201 DA9030_LDO(19),
1202
Mike Rapoport100a1d22009-07-26 13:48:40 +03001203 DA9030_SUBDEV(regulator, BUCK2, &buck2_data),
1204
Mike Rapoport432adf12009-02-02 08:57:52 +02001205 DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
1206 DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
Mike Rapoport9f055c42009-02-02 08:57:53 +02001207 DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
Mike Rapoport28c88042008-12-03 09:38:10 +02001208};
1209
1210static struct da903x_platform_data em_x270_da9030_info = {
1211 .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
1212 .subdevs = em_x270_da9030_subdevs,
1213};
1214
1215static struct i2c_board_info em_x270_i2c_pmic_info = {
1216 I2C_BOARD_INFO("da9030", 0x49),
Haojian Zhuang6384fda2011-10-10 14:21:08 +08001217 .irq = PXA_GPIO_TO_IRQ(0),
Mike Rapoport28c88042008-12-03 09:38:10 +02001218 .platform_data = &em_x270_da9030_info,
1219};
1220
1221static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
1222 .use_pio = 1,
1223};
1224
1225static void __init em_x270_init_da9030(void)
1226{
1227 pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
1228 i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1229}
1230
Mike Rapoport76e3fc32009-05-12 16:31:13 +03001231static struct pca953x_platform_data exeda_gpio_ext_pdata = {
1232 .gpio_base = 128,
1233};
1234
1235static struct i2c_board_info exeda_i2c_info[] = {
1236 {
1237 I2C_BOARD_INFO("pca9555", 0x21),
1238 .platform_data = &exeda_gpio_ext_pdata,
1239 },
1240};
1241
1242static struct i2c_pxa_platform_data em_x270_i2c_info = {
1243 .fast_mode = 1,
1244};
1245
1246static void __init em_x270_init_i2c(void)
1247{
1248 pxa_set_i2c_info(&em_x270_i2c_info);
1249
1250 if (machine_is_exeda())
1251 i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info));
1252}
1253
Mike Rapoport4a697e82009-02-02 08:57:54 +02001254static void __init em_x270_module_init(void)
Mike Rapoport3d505272007-07-18 11:31:46 +01001255{
Mike Rapoport3c85bce2008-06-16 08:16:46 +01001256 pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
Mike Rapoport3d505272007-07-18 11:31:46 +01001257
Mike Rapoport4a697e82009-02-02 08:57:54 +02001258 mmc_cd = GPIO13_MMC_CD;
1259 nand_rb = GPIO56_NAND_RB;
1260 dm9000_flags = DM9000_PLATF_32BITONLY;
Mike Rapoport76e3fc32009-05-12 16:31:13 +03001261 cam_reset = GPIO93_CAM_RESET;
Mike Rapoport128d88b2009-05-12 16:31:16 +03001262 usb_hub_reset = GPIO16_USB_HUB_RESET;
Mike Rapoport4a697e82009-02-02 08:57:54 +02001263}
1264
Mike Rapoport7f14a782009-02-02 08:57:55 +02001265static void __init em_x270_exeda_init(void)
1266{
Mike Rapoport7f14a782009-02-02 08:57:55 +02001267 pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1268
1269 mmc_cd = GPIO114_MMC_CD;
1270 nand_rb = GPIO20_NAND_RB;
1271 dm9000_flags = DM9000_PLATF_16BITONLY;
Mike Rapoport76e3fc32009-05-12 16:31:13 +03001272 cam_reset = GPIO130_CAM_RESET;
Mike Rapoport128d88b2009-05-12 16:31:16 +03001273 usb_hub_reset = GPIO10_USB_HUB_RESET;
Mike Rapoport7f14a782009-02-02 08:57:55 +02001274}
1275
Mike Rapoport4a697e82009-02-02 08:57:54 +02001276static void __init em_x270_init(void)
1277{
1278 pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1279
Russell Kingcc155c62009-11-09 13:34:08 +08001280 pxa_set_ffuart_info(NULL);
1281 pxa_set_btuart_info(NULL);
1282 pxa_set_stuart_info(NULL);
1283
Mike Rapoport9599d1d2009-05-26 09:41:46 +03001284#ifdef CONFIG_PM
1285 pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
1286#endif
1287
Mike Rapoport7f14a782009-02-02 08:57:55 +02001288 if (machine_is_em_x270())
1289 em_x270_module_init();
1290 else if (machine_is_exeda())
1291 em_x270_exeda_init();
1292 else
1293 panic("Unsupported machine: %d\n", machine_arch_type);
Mike Rapoport4a697e82009-02-02 08:57:54 +02001294
Mike Rapoport28c88042008-12-03 09:38:10 +02001295 em_x270_init_da9030();
Mike Rapoport3c85bce2008-06-16 08:16:46 +01001296 em_x270_init_dm9000();
1297 em_x270_init_rtc();
1298 em_x270_init_nand();
Mike Rapoport28c88042008-12-03 09:38:10 +02001299 em_x270_init_nor();
Mike Rapoport3c85bce2008-06-16 08:16:46 +01001300 em_x270_init_lcd();
1301 em_x270_init_mmc();
1302 em_x270_init_ohci();
1303 em_x270_init_keypad();
1304 em_x270_init_gpio_keys();
1305 em_x270_init_ac97();
Mike Rapoport28c88042008-12-03 09:38:10 +02001306 em_x270_init_spi();
Mike Rapoport76e3fc32009-05-12 16:31:13 +03001307 em_x270_init_i2c();
1308 em_x270_init_camera();
Mike Rapoporta37ed432009-05-18 08:53:56 +03001309 em_x270_userspace_consumers_init();
Mike Rapoport3d505272007-07-18 11:31:46 +01001310}
1311
Mike Rapoport3c85bce2008-06-16 08:16:46 +01001312MACHINE_START(EM_X270, "Compulab EM-X270")
Nicolas Pitre7375aba2011-07-05 22:38:15 -04001313 .atag_offset = 0x100,
Marek Vasut851982c2010-10-11 02:20:19 +02001314 .map_io = pxa27x_map_io,
Rob Herring4e611092012-01-03 16:53:48 -06001315 .nr_irqs = PXA_NR_IRQS,
Mike Rapoport3d505272007-07-18 11:31:46 +01001316 .init_irq = pxa27x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +08001317 .handle_irq = pxa27x_handle_irq,
Stephen Warren6bb27d72012-11-08 12:40:59 -07001318 .init_time = pxa_timer_init,
Mike Rapoport3d505272007-07-18 11:31:46 +01001319 .init_machine = em_x270_init,
Russell King271a74f2011-11-04 14:15:53 +00001320 .restart = pxa_restart,
Mike Rapoport3d505272007-07-18 11:31:46 +01001321MACHINE_END
Mike Rapoport7f14a782009-02-02 08:57:55 +02001322
1323MACHINE_START(EXEDA, "Compulab eXeda")
Nicolas Pitre7375aba2011-07-05 22:38:15 -04001324 .atag_offset = 0x100,
Marek Vasut851982c2010-10-11 02:20:19 +02001325 .map_io = pxa27x_map_io,
Rob Herring4e611092012-01-03 16:53:48 -06001326 .nr_irqs = PXA_NR_IRQS,
Mike Rapoport7f14a782009-02-02 08:57:55 +02001327 .init_irq = pxa27x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +08001328 .handle_irq = pxa27x_handle_irq,
Stephen Warren6bb27d72012-11-08 12:40:59 -07001329 .init_time = pxa_timer_init,
Mike Rapoport7f14a782009-02-02 08:57:55 +02001330 .init_machine = em_x270_init,
Russell King271a74f2011-11-04 14:15:53 +00001331 .restart = pxa_restart,
Mike Rapoport7f14a782009-02-02 08:57:55 +02001332MACHINE_END