1/*
2 * arch/arm/mach-pxa/raumfeld.c
3 *
4 * Support for the following Raumfeld devices:
5 *
6 * 	* Controller
7 *  	* Connector
8 *  	* Speaker S/M
9 *
10 * See http://www.raumfeld.com for details.
11 *
12 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18
19#include <linux/init.h>
20#include <linux/kernel.h>
21#include <linux/platform_device.h>
22#include <linux/interrupt.h>
23#include <linux/gpio.h>
24#include <linux/smsc911x.h>
25#include <linux/input.h>
26#include <linux/rotary_encoder.h>
27#include <linux/gpio_keys.h>
28#include <linux/input/eeti_ts.h>
29#include <linux/leds.h>
30#include <linux/w1-gpio.h>
31#include <linux/sched.h>
32#include <linux/pwm_backlight.h>
33#include <linux/i2c.h>
34#include <linux/i2c/pxa-i2c.h>
35#include <linux/spi/spi.h>
36#include <linux/spi/spi_gpio.h>
37#include <linux/lis3lv02d.h>
38#include <linux/pda_power.h>
39#include <linux/power_supply.h>
40#include <linux/regulator/max8660.h>
41#include <linux/regulator/machine.h>
42#include <linux/regulator/fixed.h>
43#include <linux/regulator/consumer.h>
44#include <linux/delay.h>
45
46#include <asm/system_info.h>
47
48#include <asm/mach-types.h>
49#include <asm/mach/arch.h>
50
51#include <mach/pxa300.h>
52#include <linux/platform_data/usb-ohci-pxa27x.h>
53#include <linux/platform_data/video-pxafb.h>
54#include <linux/platform_data/mmc-pxamci.h>
55#include <linux/platform_data/mtd-nand-pxa3xx.h>
56
57#include "generic.h"
58#include "devices.h"
59#include "clock.h"
60
61/* common GPIO	definitions */
62
63/* inputs */
64#define GPIO_ON_OFF		(14)
65#define GPIO_VOLENC_A		(19)
66#define GPIO_VOLENC_B		(20)
67#define GPIO_CHARGE_DONE	(23)
68#define GPIO_CHARGE_IND		(27)
69#define GPIO_TOUCH_IRQ		(32)
70#define GPIO_ETH_IRQ		(40)
71#define GPIO_SPI_MISO		(98)
72#define GPIO_ACCEL_IRQ		(104)
73#define GPIO_RESCUE_BOOT	(115)
74#define GPIO_DOCK_DETECT	(116)
75#define GPIO_KEY1		(117)
76#define GPIO_KEY2		(118)
77#define GPIO_KEY3		(119)
78#define GPIO_CHARGE_USB_OK	(112)
79#define GPIO_CHARGE_DC_OK	(101)
80#define GPIO_CHARGE_USB_SUSP	(102)
81
82/* outputs */
83#define GPIO_SHUTDOWN_SUPPLY	(16)
84#define GPIO_SHUTDOWN_BATT	(18)
85#define GPIO_CHRG_PEN2		(31)
86#define GPIO_TFT_VA_EN		(33)
87#define GPIO_SPDIF_CS		(34)
88#define GPIO_LED2		(35)
89#define GPIO_LED1		(36)
90#define GPIO_SPDIF_RESET	(38)
91#define GPIO_SPI_CLK		(95)
92#define GPIO_MCLK_DAC_CS	(96)
93#define GPIO_SPI_MOSI		(97)
94#define GPIO_W1_PULLUP_ENABLE	(105)
95#define GPIO_DISPLAY_ENABLE	(106)
96#define GPIO_MCLK_RESET		(111)
97#define GPIO_W2W_RESET		(113)
98#define GPIO_W2W_PDN		(114)
99#define GPIO_CODEC_RESET	(120)
100#define GPIO_AUDIO_VA_ENABLE	(124)
101#define GPIO_ACCEL_CS		(125)
102#define GPIO_ONE_WIRE		(126)
103
104/*
105 * GPIO configurations
106 */
107static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
108	/* UART1 */
109	GPIO77_UART1_RXD,
110	GPIO78_UART1_TXD,
111	GPIO79_UART1_CTS,
112	GPIO81_UART1_DSR,
113	GPIO83_UART1_DTR,
114	GPIO84_UART1_RTS,
115
116	/* UART3 */
117	GPIO110_UART3_RXD,
118
119	/* USB Host */
120	GPIO0_2_USBH_PEN,
121	GPIO1_2_USBH_PWR,
122
123	/* I2C */
124	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
125	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
126
127	/* SPI */
128	GPIO34_GPIO,	/* SPDIF_CS */
129	GPIO96_GPIO,	/* MCLK_CS */
130	GPIO125_GPIO,	/* ACCEL_CS */
131
132	/* MMC */
133	GPIO3_MMC1_DAT0,
134	GPIO4_MMC1_DAT1,
135	GPIO5_MMC1_DAT2,
136	GPIO6_MMC1_DAT3,
137	GPIO7_MMC1_CLK,
138	GPIO8_MMC1_CMD,
139
140	/* One-wire */
141	GPIO126_GPIO | MFP_LPM_FLOAT,
142	GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
143
144	/* CHRG_USB_OK */
145	GPIO101_GPIO | MFP_PULL_HIGH,
146	/* CHRG_USB_OK */
147	GPIO112_GPIO | MFP_PULL_HIGH,
148	/* CHRG_USB_SUSP */
149	GPIO102_GPIO,
150	/* DISPLAY_ENABLE */
151	GPIO106_GPIO,
152	/* DOCK_DETECT */
153	GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
154
155	/* LCD */
156	GPIO54_LCD_LDD_0,
157	GPIO55_LCD_LDD_1,
158	GPIO56_LCD_LDD_2,
159	GPIO57_LCD_LDD_3,
160	GPIO58_LCD_LDD_4,
161	GPIO59_LCD_LDD_5,
162	GPIO60_LCD_LDD_6,
163	GPIO61_LCD_LDD_7,
164	GPIO62_LCD_LDD_8,
165	GPIO63_LCD_LDD_9,
166	GPIO64_LCD_LDD_10,
167	GPIO65_LCD_LDD_11,
168	GPIO66_LCD_LDD_12,
169	GPIO67_LCD_LDD_13,
170	GPIO68_LCD_LDD_14,
171	GPIO69_LCD_LDD_15,
172	GPIO70_LCD_LDD_16,
173	GPIO71_LCD_LDD_17,
174	GPIO72_LCD_FCLK,
175	GPIO73_LCD_LCLK,
176	GPIO74_LCD_PCLK,
177	GPIO75_LCD_BIAS,
178};
179
180static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
181	/* UART1 */
182	GPIO77_UART1_RXD,
183	GPIO78_UART1_TXD,
184	GPIO79_UART1_CTS,
185	GPIO81_UART1_DSR,
186	GPIO83_UART1_DTR,
187	GPIO84_UART1_RTS,
188
189	/* UART3 */
190	GPIO110_UART3_RXD,
191
192	/* USB Host */
193	GPIO0_2_USBH_PEN,
194	GPIO1_2_USBH_PWR,
195
196	/* I2C */
197	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
198	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
199
200	/* SPI */
201	GPIO34_GPIO,	/* SPDIF_CS */
202	GPIO96_GPIO,	/* MCLK_CS */
203	GPIO125_GPIO,	/* ACCEL_CS */
204
205	/* MMC */
206	GPIO3_MMC1_DAT0,
207	GPIO4_MMC1_DAT1,
208	GPIO5_MMC1_DAT2,
209	GPIO6_MMC1_DAT3,
210	GPIO7_MMC1_CLK,
211	GPIO8_MMC1_CMD,
212
213	/* Ethernet */
214	GPIO1_nCS2,			/* CS */
215	GPIO40_GPIO | MFP_PULL_HIGH,	/* IRQ */
216
217	/* SSP for I2S */
218	GPIO85_SSP1_SCLK,
219	GPIO89_SSP1_EXTCLK,
220	GPIO86_SSP1_FRM,
221	GPIO87_SSP1_TXD,
222	GPIO88_SSP1_RXD,
223	GPIO90_SSP1_SYSCLK,
224
225	/* SSP2 for S/PDIF */
226	GPIO25_SSP2_SCLK,
227	GPIO26_SSP2_FRM,
228	GPIO27_SSP2_TXD,
229	GPIO29_SSP2_EXTCLK,
230
231	/* LEDs */
232	GPIO35_GPIO | MFP_LPM_PULL_LOW,
233	GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
234};
235
236static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
237	/* UART1 */
238	GPIO77_UART1_RXD,
239	GPIO78_UART1_TXD,
240	GPIO79_UART1_CTS,
241	GPIO81_UART1_DSR,
242	GPIO83_UART1_DTR,
243	GPIO84_UART1_RTS,
244
245	/* UART3 */
246	GPIO110_UART3_RXD,
247
248	/* USB Host */
249	GPIO0_2_USBH_PEN,
250	GPIO1_2_USBH_PWR,
251
252	/* I2C */
253	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
254	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
255
256	/* SPI */
257	GPIO34_GPIO,	/* SPDIF_CS */
258	GPIO96_GPIO,	/* MCLK_CS */
259	GPIO125_GPIO,	/* ACCEL_CS */
260
261	/* MMC */
262	GPIO3_MMC1_DAT0,
263	GPIO4_MMC1_DAT1,
264	GPIO5_MMC1_DAT2,
265	GPIO6_MMC1_DAT3,
266	GPIO7_MMC1_CLK,
267	GPIO8_MMC1_CMD,
268
269	/* Ethernet */
270	GPIO1_nCS2,			/* CS */
271	GPIO40_GPIO | MFP_PULL_HIGH,	/* IRQ */
272
273	/* SSP for I2S */
274	GPIO85_SSP1_SCLK,
275	GPIO89_SSP1_EXTCLK,
276	GPIO86_SSP1_FRM,
277	GPIO87_SSP1_TXD,
278	GPIO88_SSP1_RXD,
279	GPIO90_SSP1_SYSCLK,
280
281	/* LEDs */
282	GPIO35_GPIO | MFP_LPM_PULL_LOW,
283	GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
284};
285
286/*
287 * SMSC LAN9220 Ethernet
288 */
289
290static struct resource smc91x_resources[] = {
291	{
292		.start	= PXA3xx_CS2_PHYS,
293		.end	= PXA3xx_CS2_PHYS + 0xfffff,
294		.flags	= IORESOURCE_MEM,
295	},
296	{
297		.start	= PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
298		.end	= PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
299		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
300	}
301};
302
303static struct smsc911x_platform_config raumfeld_smsc911x_config = {
304	.phy_interface	= PHY_INTERFACE_MODE_MII,
305	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
306	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
307	.flags		= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
308};
309
310static struct platform_device smc91x_device = {
311	.name		= "smsc911x",
312	.id		= -1,
313	.num_resources	= ARRAY_SIZE(smc91x_resources),
314	.resource	= smc91x_resources,
315	.dev		= {
316		.platform_data = &raumfeld_smsc911x_config,
317	}
318};
319
320/**
321 * NAND
322 */
323
324static struct mtd_partition raumfeld_nand_partitions[] = {
325	{
326		.name		= "Bootloader",
327		.offset		= 0,
328		.size		= 0xa0000,
329		.mask_flags	= MTD_WRITEABLE, /* force read-only */
330	},
331	{
332		.name		= "BootloaderEnvironment",
333		.offset		= 0xa0000,
334		.size		= 0x20000,
335	},
336	{
337		.name		= "BootloaderSplashScreen",
338		.offset		= 0xc0000,
339		.size		= 0x60000,
340	},
341	{
342		.name		= "UBI",
343		.offset		= 0x120000,
344		.size		= MTDPART_SIZ_FULL,
345	},
346};
347
348static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
349	.enable_arbiter	= 1,
350	.keep_config	= 1,
351	.num_cs		= 1,
352	.parts[0]	= raumfeld_nand_partitions,
353	.nr_parts[0]	= ARRAY_SIZE(raumfeld_nand_partitions),
354};
355
356/**
357 * USB (OHCI) support
358 */
359
360static struct pxaohci_platform_data raumfeld_ohci_info = {
361	.port_mode      = PMM_GLOBAL_MODE,
362	.flags		= ENABLE_PORT1,
363};
364
365/**
366 * Rotary encoder input device
367 */
368
369static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
370	.steps		= 24,
371	.axis		= REL_X,
372	.relative_axis	= 1,
373	.gpio_a		= GPIO_VOLENC_A,
374	.gpio_b		= GPIO_VOLENC_B,
375	.inverted_a	= 1,
376	.inverted_b	= 0,
377};
378
379static struct platform_device rotary_encoder_device = {
380	.name		= "rotary-encoder",
381	.id		= 0,
382	.dev		= {
383		.platform_data = &raumfeld_rotary_encoder_info,
384	}
385};
386
387/**
388 * GPIO buttons
389 */
390
391static struct gpio_keys_button gpio_keys_button[] = {
392	{
393		.code			= KEY_F1,
394		.type			= EV_KEY,
395		.gpio			= GPIO_KEY1,
396		.active_low		= 1,
397		.wakeup			= 0,
398		.debounce_interval	= 5, /* ms */
399		.desc			= "Button 1",
400	},
401	{
402		.code			= KEY_F2,
403		.type			= EV_KEY,
404		.gpio			= GPIO_KEY2,
405		.active_low		= 1,
406		.wakeup			= 0,
407		.debounce_interval	= 5, /* ms */
408		.desc			= "Button 2",
409	},
410	{
411		.code			= KEY_F3,
412		.type			= EV_KEY,
413		.gpio			= GPIO_KEY3,
414		.active_low		= 1,
415		.wakeup			= 0,
416		.debounce_interval	= 5, /* ms */
417		.desc			= "Button 3",
418	},
419	{
420		.code			= KEY_F4,
421		.type			= EV_KEY,
422		.gpio			= GPIO_RESCUE_BOOT,
423		.active_low		= 0,
424		.wakeup			= 0,
425		.debounce_interval	= 5, /* ms */
426		.desc			= "rescue boot button",
427	},
428	{
429		.code			= KEY_F5,
430		.type			= EV_KEY,
431		.gpio			= GPIO_DOCK_DETECT,
432		.active_low		= 1,
433		.wakeup			= 0,
434		.debounce_interval	= 5, /* ms */
435		.desc			= "dock detect",
436	},
437	{
438		.code			= KEY_F6,
439		.type			= EV_KEY,
440		.gpio			= GPIO_ON_OFF,
441		.active_low		= 0,
442		.wakeup			= 0,
443		.debounce_interval	= 5, /* ms */
444		.desc			= "on_off button",
445	},
446};
447
448static struct gpio_keys_platform_data gpio_keys_platform_data = {
449	.buttons	= gpio_keys_button,
450	.nbuttons	= ARRAY_SIZE(gpio_keys_button),
451	.rep		= 0,
452};
453
454static struct platform_device raumfeld_gpio_keys_device = {
455	.name	= "gpio-keys",
456	.id	= -1,
457	.dev 	= {
458		.platform_data	= &gpio_keys_platform_data,
459	}
460};
461
462/**
463 * GPIO LEDs
464 */
465
466static struct gpio_led raumfeld_leds[] = {
467	{
468		.name		= "raumfeld:1",
469		.gpio		= GPIO_LED1,
470		.active_low	= 1,
471		.default_state	= LEDS_GPIO_DEFSTATE_ON,
472	},
473	{
474		.name		= "raumfeld:2",
475		.gpio		= GPIO_LED2,
476		.active_low	= 0,
477		.default_state	= LEDS_GPIO_DEFSTATE_OFF,
478	}
479};
480
481static struct gpio_led_platform_data raumfeld_led_platform_data = {
482	.leds		= raumfeld_leds,
483	.num_leds	= ARRAY_SIZE(raumfeld_leds),
484};
485
486static struct platform_device raumfeld_led_device = {
487	.name	= "leds-gpio",
488	.id	= -1,
489	.dev	= {
490		.platform_data = &raumfeld_led_platform_data,
491	},
492};
493
494/**
495 * One-wire (W1 bus) support
496 */
497
498static void w1_enable_external_pullup(int enable)
499{
500	gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
501	msleep(100);
502}
503
504static struct w1_gpio_platform_data w1_gpio_platform_data = {
505	.pin			= GPIO_ONE_WIRE,
506	.is_open_drain		= 0,
507	.enable_external_pullup	= w1_enable_external_pullup,
508	.ext_pullup_enable_pin	= -EINVAL,
509};
510
511struct platform_device raumfeld_w1_gpio_device = {
512	.name	= "w1-gpio",
513	.dev	= {
514		.platform_data = &w1_gpio_platform_data
515	}
516};
517
518static void __init raumfeld_w1_init(void)
519{
520	int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
521				"W1 external pullup enable");
522
523	if (ret < 0)
524		pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
525	else
526		gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
527
528	platform_device_register(&raumfeld_w1_gpio_device);
529}
530
531/**
532 * Framebuffer device
533 */
534
535/* PWM controlled backlight */
536static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
537	.pwm_id		= 0,
538	.max_brightness	= 100,
539	.dft_brightness	= 100,
540	/* 10000 ns = 10 ms ^= 100 kHz */
541	.pwm_period_ns	= 10000,
542	.enable_gpio	= -1,
543};
544
545static struct platform_device raumfeld_pwm_backlight_device = {
546	.name	= "pwm-backlight",
547	.dev	= {
548		.parent		= &pxa27x_device_pwm0.dev,
549		.platform_data	= &raumfeld_pwm_backlight_data,
550	}
551};
552
553/* LT3593 controlled backlight */
554static struct gpio_led raumfeld_lt3593_led = {
555	.name		= "backlight",
556	.gpio		= mfp_to_gpio(MFP_PIN_GPIO17),
557	.default_state	= LEDS_GPIO_DEFSTATE_ON,
558};
559
560static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
561	.leds		= &raumfeld_lt3593_led,
562	.num_leds	= 1,
563};
564
565static struct platform_device raumfeld_lt3593_device = {
566	.name	= "leds-lt3593",
567	.id	= -1,
568	.dev	= {
569		.platform_data = &raumfeld_lt3593_platform_data,
570	},
571};
572
573static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
574	.pixclock	= 111000,
575	.xres		= 480,
576	.yres		= 272,
577	.bpp		= 16,
578	.hsync_len	= 41,
579	.left_margin	= 2,
580	.right_margin	= 1,
581	.vsync_len	= 10,
582	.upper_margin	= 3,
583	.lower_margin	= 1,
584	.sync		= 0,
585};
586
587static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
588	.modes		= &sharp_lq043t3dx02_mode,
589	.num_modes	= 1,
590	.video_mem_size = 0x400000,
591	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
592#ifdef CONFIG_PXA3XX_GCU
593	.acceleration_enabled = 1,
594#endif
595};
596
597static void __init raumfeld_lcd_init(void)
598{
599	int ret;
600
601	ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
602	if (ret < 0)
603		pr_warn("Unable to request GPIO_TFT_VA_EN\n");
604	else
605		gpio_direction_output(GPIO_TFT_VA_EN, 1);
606
607	msleep(100);
608
609	ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
610	if (ret < 0)
611		pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
612	else
613		gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
614
615	/* Hardware revision 2 has the backlight regulator controlled
616	 * by an LT3593, earlier and later devices use PWM for that. */
617	if ((system_rev & 0xff) == 2) {
618		platform_device_register(&raumfeld_lt3593_device);
619	} else {
620		mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
621		pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
622		platform_device_register(&raumfeld_pwm_backlight_device);
623	}
624
625	pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
626	platform_device_register(&pxa3xx_device_gcu);
627}
628
629/**
630 * SPI devices
631 */
632
633struct spi_gpio_platform_data raumfeld_spi_platform_data = {
634	.sck		= GPIO_SPI_CLK,
635	.mosi		= GPIO_SPI_MOSI,
636	.miso		= GPIO_SPI_MISO,
637	.num_chipselect	= 3,
638};
639
640static struct platform_device raumfeld_spi_device = {
641	.name	= "spi_gpio",
642	.id	= 0,
643	.dev 	= {
644		.platform_data	= &raumfeld_spi_platform_data,
645	}
646};
647
648static struct lis3lv02d_platform_data lis3_pdata = {
649	.click_flags 	= LIS3_CLICK_SINGLE_X |
650			  LIS3_CLICK_SINGLE_Y |
651			  LIS3_CLICK_SINGLE_Z,
652	.irq_cfg	= LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
653	.wakeup_flags	= LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
654			  LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
655			  LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
656	.wakeup_thresh	= 10,
657	.click_thresh_x = 10,
658	.click_thresh_y = 10,
659	.click_thresh_z = 10,
660};
661
662#define SPI_AK4104	\
663{			\
664	.modalias	= "ak4104-codec",	\
665	.max_speed_hz	= 10000,		\
666	.bus_num	= 0,			\
667	.chip_select	= 0,			\
668	.controller_data = (void *) GPIO_SPDIF_CS,	\
669}
670
671#define SPI_LIS3	\
672{			\
673	.modalias	= "lis3lv02d_spi",	\
674	.max_speed_hz	= 1000000,		\
675	.bus_num	= 0,			\
676	.chip_select	= 1,			\
677	.controller_data = (void *) GPIO_ACCEL_CS,	\
678	.platform_data	= &lis3_pdata,		\
679	.irq		= PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ),	\
680}
681
682#define SPI_DAC7512	\
683{	\
684	.modalias	= "dac7512",		\
685	.max_speed_hz	= 1000000,		\
686	.bus_num	= 0,			\
687	.chip_select	= 2,			\
688	.controller_data = (void *) GPIO_MCLK_DAC_CS,	\
689}
690
691static struct spi_board_info connector_spi_devices[] __initdata = {
692	SPI_AK4104,
693	SPI_DAC7512,
694};
695
696static struct spi_board_info speaker_spi_devices[] __initdata = {
697	SPI_DAC7512,
698};
699
700static struct spi_board_info controller_spi_devices[] __initdata = {
701	SPI_LIS3,
702};
703
704/**
705 * MMC for Marvell Libertas 8688 via SDIO
706 */
707
708static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
709{
710	gpio_set_value(GPIO_W2W_RESET, 1);
711	gpio_set_value(GPIO_W2W_PDN, 1);
712
713	return 0;
714}
715
716static void raumfeld_mci_exit(struct device *dev, void *data)
717{
718	gpio_set_value(GPIO_W2W_RESET, 0);
719	gpio_set_value(GPIO_W2W_PDN, 0);
720}
721
722static struct pxamci_platform_data raumfeld_mci_platform_data = {
723	.init			= raumfeld_mci_init,
724	.exit			= raumfeld_mci_exit,
725	.detect_delay_ms	= 200,
726	.gpio_card_detect	= -1,
727	.gpio_card_ro		= -1,
728	.gpio_power		= -1,
729};
730
731/*
732 * External power / charge logic
733 */
734
735static int power_supply_init(struct device *dev)
736{
737	return 0;
738}
739
740static void power_supply_exit(struct device *dev)
741{
742}
743
744static int raumfeld_is_ac_online(void)
745{
746	return !gpio_get_value(GPIO_CHARGE_DC_OK);
747}
748
749static int raumfeld_is_usb_online(void)
750{
751	return 0;
752}
753
754static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
755
756static void raumfeld_power_signal_charged(void)
757{
758	struct power_supply *psy =
759		power_supply_get_by_name(raumfeld_power_supplicants[0]);
760
761	if (psy) {
762		power_supply_set_battery_charged(psy);
763		power_supply_put(psy);
764	}
765}
766
767static int raumfeld_power_resume(void)
768{
769	/* check if GPIO_CHARGE_DONE went low while we were sleeping */
770	if (!gpio_get_value(GPIO_CHARGE_DONE))
771		raumfeld_power_signal_charged();
772
773	return 0;
774}
775
776static struct pda_power_pdata power_supply_info = {
777	.init			= power_supply_init,
778	.is_ac_online		= raumfeld_is_ac_online,
779	.is_usb_online		= raumfeld_is_usb_online,
780	.exit			= power_supply_exit,
781	.supplied_to		= raumfeld_power_supplicants,
782	.num_supplicants	= ARRAY_SIZE(raumfeld_power_supplicants),
783	.resume			= raumfeld_power_resume,
784};
785
786static struct resource power_supply_resources[] = {
787	{
788		.name  = "ac",
789		.flags = IORESOURCE_IRQ |
790			 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
791		.start = GPIO_CHARGE_DC_OK,
792		.end   = GPIO_CHARGE_DC_OK,
793	},
794};
795
796static irqreturn_t charge_done_irq(int irq, void *dev_id)
797{
798	raumfeld_power_signal_charged();
799	return IRQ_HANDLED;
800}
801
802static struct platform_device raumfeld_power_supply = {
803	.name = "pda-power",
804	.id   = -1,
805	.dev  = {
806		.platform_data = &power_supply_info,
807	},
808	.resource      = power_supply_resources,
809	.num_resources = ARRAY_SIZE(power_supply_resources),
810};
811
812static void __init raumfeld_power_init(void)
813{
814	int ret;
815
816	/* Set PEN2 high to enable maximum charge current */
817	ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
818	if (ret < 0)
819		pr_warn("Unable to request GPIO_CHRG_PEN2\n");
820	else
821		gpio_direction_output(GPIO_CHRG_PEN2, 1);
822
823	ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
824	if (ret < 0)
825		pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
826
827	ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
828	if (ret < 0)
829		pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
830	else
831		gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
832
833	power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
834	power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
835
836	ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
837			&charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
838			"charge_done", NULL);
839
840	if (ret < 0)
841		printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
842			GPIO_CHARGE_DONE);
843	else
844		platform_device_register(&raumfeld_power_supply);
845}
846
847/* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
848
849static struct regulator_consumer_supply audio_va_consumer_supply =
850	REGULATOR_SUPPLY("va", "0-0048");
851
852struct regulator_init_data audio_va_initdata = {
853	.consumer_supplies = &audio_va_consumer_supply,
854	.num_consumer_supplies = 1,
855	.constraints = {
856		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
857	},
858};
859
860static struct fixed_voltage_config audio_va_config = {
861	.supply_name		= "audio_va",
862	.microvolts		= 5000000,
863	.gpio			= GPIO_AUDIO_VA_ENABLE,
864	.enable_high		= 1,
865	.enabled_at_boot	= 0,
866	.init_data		= &audio_va_initdata,
867};
868
869static struct platform_device audio_va_device = {
870	.name	= "reg-fixed-voltage",
871	.id	= 0,
872	.dev	= {
873		.platform_data = &audio_va_config,
874	},
875};
876
877/* Dummy supplies for Codec's VD/VLC */
878
879static struct regulator_consumer_supply audio_dummy_supplies[] = {
880	REGULATOR_SUPPLY("vd", "0-0048"),
881	REGULATOR_SUPPLY("vlc", "0-0048"),
882};
883
884struct regulator_init_data audio_dummy_initdata = {
885	.consumer_supplies = audio_dummy_supplies,
886	.num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
887	.constraints = {
888		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
889	},
890};
891
892static struct fixed_voltage_config audio_dummy_config = {
893	.supply_name		= "audio_vd",
894	.microvolts		= 3300000,
895	.gpio			= -1,
896	.init_data		= &audio_dummy_initdata,
897};
898
899static struct platform_device audio_supply_dummy_device = {
900	.name	= "reg-fixed-voltage",
901	.id	= 1,
902	.dev	= {
903		.platform_data = &audio_dummy_config,
904	},
905};
906
907static struct platform_device *audio_regulator_devices[] = {
908	&audio_va_device,
909	&audio_supply_dummy_device,
910};
911
912/**
913 * Regulator support via MAX8660
914 */
915
916static struct regulator_consumer_supply vcc_mmc_supply =
917	REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
918
919static struct regulator_init_data vcc_mmc_init_data = {
920	.constraints = {
921		.min_uV			= 3300000,
922		.max_uV			= 3300000,
923		.valid_modes_mask	= REGULATOR_MODE_NORMAL,
924		.valid_ops_mask		= REGULATOR_CHANGE_STATUS |
925					  REGULATOR_CHANGE_VOLTAGE |
926					  REGULATOR_CHANGE_MODE,
927	},
928	.consumer_supplies = &vcc_mmc_supply,
929	.num_consumer_supplies = 1,
930};
931
932struct max8660_subdev_data max8660_v6_subdev_data = {
933	.id		= MAX8660_V6,
934	.name		= "vmmc",
935	.platform_data	= &vcc_mmc_init_data,
936};
937
938static struct max8660_platform_data max8660_pdata = {
939	.subdevs = &max8660_v6_subdev_data,
940	.num_subdevs = 1,
941};
942
943/**
944 * I2C devices
945 */
946
947static struct i2c_board_info raumfeld_pwri2c_board_info = {
948	.type		= "max8660",
949	.addr		= 0x34,
950	.platform_data	= &max8660_pdata,
951};
952
953static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
954	.type	= "cs4270",
955	.addr	= 0x48,
956};
957
958static struct eeti_ts_platform_data eeti_ts_pdata = {
959	.irq_active_high = 1,
960	.irq_gpio = GPIO_TOUCH_IRQ,
961};
962
963static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
964	.type	= "eeti_ts",
965	.addr	= 0x0a,
966	.platform_data = &eeti_ts_pdata,
967};
968
969static struct platform_device *raumfeld_common_devices[] = {
970	&raumfeld_gpio_keys_device,
971	&raumfeld_led_device,
972	&raumfeld_spi_device,
973};
974
975static void __init raumfeld_audio_init(void)
976{
977	int ret;
978
979	ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
980	if (ret < 0)
981		pr_warn("unable to request GPIO_CODEC_RESET\n");
982	else
983		gpio_direction_output(GPIO_CODEC_RESET, 1);
984
985	ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
986	if (ret < 0)
987		pr_warn("unable to request GPIO_SPDIF_RESET\n");
988	else
989		gpio_direction_output(GPIO_SPDIF_RESET, 1);
990
991	ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
992	if (ret < 0)
993		pr_warn("unable to request GPIO_MCLK_RESET\n");
994	else
995		gpio_direction_output(GPIO_MCLK_RESET, 1);
996
997	platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
998}
999
1000static void __init raumfeld_common_init(void)
1001{
1002	int ret;
1003
1004	/* The on/off button polarity has changed after revision 1 */
1005	if ((system_rev & 0xff) > 1) {
1006		int i;
1007
1008		for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1009			if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1010				gpio_keys_button[i].active_low = 1;
1011	}
1012
1013	enable_irq_wake(IRQ_WAKEUP0);
1014
1015	pxa3xx_set_nand_info(&raumfeld_nand_info);
1016	pxa3xx_set_i2c_power_info(NULL);
1017	pxa_set_ohci_info(&raumfeld_ohci_info);
1018	pxa_set_mci_info(&raumfeld_mci_platform_data);
1019	pxa_set_i2c_info(NULL);
1020	pxa_set_ffuart_info(NULL);
1021
1022	ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1023	if (ret < 0)
1024		pr_warn("Unable to request GPIO_W2W_RESET\n");
1025	else
1026		gpio_direction_output(GPIO_W2W_RESET, 0);
1027
1028	ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1029	if (ret < 0)
1030		pr_warn("Unable to request GPIO_W2W_PDN\n");
1031	else
1032		gpio_direction_output(GPIO_W2W_PDN, 0);
1033
1034	/* this can be used to switch off the device */
1035	ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1036	if (ret < 0)
1037		pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1038	else
1039		gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1040
1041	platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1042	i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1043}
1044
1045static void __init raumfeld_controller_init(void)
1046{
1047	int ret;
1048
1049	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1050	platform_device_register(&rotary_encoder_device);
1051	spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1052	i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1053
1054	ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1055	if (ret < 0)
1056		pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1057	else
1058		gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1059
1060	raumfeld_common_init();
1061	raumfeld_power_init();
1062	raumfeld_lcd_init();
1063	raumfeld_w1_init();
1064}
1065
1066static void __init raumfeld_connector_init(void)
1067{
1068	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1069	spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1070	i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1071
1072	platform_device_register(&smc91x_device);
1073
1074	raumfeld_audio_init();
1075	raumfeld_common_init();
1076}
1077
1078static void __init raumfeld_speaker_init(void)
1079{
1080	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1081	spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1082	i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1083
1084	platform_device_register(&smc91x_device);
1085	platform_device_register(&rotary_encoder_device);
1086
1087	raumfeld_audio_init();
1088	raumfeld_common_init();
1089}
1090
1091/* physical memory regions */
1092#define	RAUMFELD_SDRAM_BASE	0xa0000000	/* SDRAM region */
1093
1094#ifdef CONFIG_MACH_RAUMFELD_RC
1095MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1096	.atag_offset	= 0x100,
1097	.init_machine	= raumfeld_controller_init,
1098	.map_io		= pxa3xx_map_io,
1099	.nr_irqs	= PXA_NR_IRQS,
1100	.init_irq	= pxa3xx_init_irq,
1101	.handle_irq	= pxa3xx_handle_irq,
1102	.init_time	= pxa_timer_init,
1103	.restart	= pxa_restart,
1104MACHINE_END
1105#endif
1106
1107#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1108MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1109	.atag_offset	= 0x100,
1110	.init_machine	= raumfeld_connector_init,
1111	.map_io		= pxa3xx_map_io,
1112	.nr_irqs	= PXA_NR_IRQS,
1113	.init_irq	= pxa3xx_init_irq,
1114	.handle_irq	= pxa3xx_handle_irq,
1115	.init_time	= pxa_timer_init,
1116	.restart	= pxa_restart,
1117MACHINE_END
1118#endif
1119
1120#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1121MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1122	.atag_offset	= 0x100,
1123	.init_machine	= raumfeld_speaker_init,
1124	.map_io		= pxa3xx_map_io,
1125	.nr_irqs	= PXA_NR_IRQS,
1126	.init_irq	= pxa3xx_init_irq,
1127	.handle_irq	= pxa3xx_handle_irq,
1128	.init_time	= pxa_timer_init,
1129	.restart	= pxa_restart,
1130MACHINE_END
1131#endif
1132