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ARM: dts: Improve omap l4per idling with wlcore edge sensitive interrupt
[linux-block.git] / arch / arm / mach-pxa / raumfeld.c
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550ee52d
DM		 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>
a9e340dc 21#include <linux/property.h>
550ee52d
DM		 22#include <linux/platform_device.h>
23#include <linux/interrupt.h>
24#include <linux/gpio.h>
77a8f0ad 25#include <linux/gpio/machine.h>
550ee52d
DM		 26#include <linux/smsc911x.h>
27#include <linux/input.h>
550ee52d 28#include <linux/gpio_keys.h>
550ee52d
DM		 29#include <linux/leds.h>
30#include <linux/w1-gpio.h>
31#include <linux/sched.h>
390f8298 32#include <linux/pwm.h>
550ee52d
DM		 33#include <linux/pwm_backlight.h>
34#include <linux/i2c.h>
f15fc9b1 35#include <linux/platform_data/i2c-pxa.h>
550ee52d
DM		 36#include <linux/spi/spi.h>
37#include <linux/spi/spi_gpio.h>
38#include <linux/lis3lv02d.h>
39#include <linux/pda_power.h>
40#include <linux/power_supply.h>
550ee52d
DM		 41#include <linux/regulator/max8660.h>
42#include <linux/regulator/machine.h>
43#include <linux/regulator/fixed.h>
44#include <linux/regulator/consumer.h>
45#include <linux/delay.h>
46
86dfe446
OJ		 47#include <asm/system_info.h>
48
550ee52d
DM		 49#include <asm/mach-types.h>
50#include <asm/mach/arch.h>
51
4c25c5d2 52#include "pxa300.h"
293b2da1
AB		 53#include <linux/platform_data/usb-ohci-pxa27x.h>
54#include <linux/platform_data/video-pxafb.h>
55#include <linux/platform_data/mmc-pxamci.h>
56#include <linux/platform_data/mtd-nand-pxa3xx.h>
550ee52d
DM		 57
58#include "generic.h"
59#include "devices.h"
550ee52d
DM		 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,
31436bbe
DM		 230
231 /* LEDs */
232 GPIO35_GPIO | MFP_LPM_PULL_LOW,
233 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
550ee52d
DM		 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,
31436bbe
DM		 280
281 /* LEDs */
282 GPIO35_GPIO | MFP_LPM_PULL_LOW,
283 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
550ee52d
DM		 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 {
4929f5a8
HZ		 297 .start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
298 .end = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
550ee52d
DM		 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 = {
550ee52d 349 .keep_config = 1,
7576594c
MR		 350 .parts = raumfeld_nand_partitions,
351 .nr_parts = ARRAY_SIZE(raumfeld_nand_partitions),
550ee52d
DM		 352};
353
354/**
355 * USB (OHCI) support
356 */
357
358static struct pxaohci_platform_data raumfeld_ohci_info = {
359 .port_mode = PMM_GLOBAL_MODE,
360 .flags = ENABLE_PORT1,
361};
362
363/**
364 * Rotary encoder input device
365 */
366
77a8f0ad
DT		 367static struct gpiod_lookup_table raumfeld_rotary_gpios_table = {
368 .dev_id = "rotary-encoder.0",
369 .table = {
370 GPIO_LOOKUP_IDX("gpio-0",
371 GPIO_VOLENC_A, NULL, 0, GPIO_ACTIVE_LOW),
372 GPIO_LOOKUP_IDX("gpio-0",
373 GPIO_VOLENC_B, NULL, 1, GPIO_ACTIVE_HIGH),
374 { },
375 },
376};
377
3dabc19a 378static const struct property_entry raumfeld_rotary_properties[] __initconst = {
53ad4a78
AS		 379 PROPERTY_ENTRY_U32("rotary-encoder,steps-per-period", 24),
380 PROPERTY_ENTRY_U32("linux,axis", REL_X),
381 PROPERTY_ENTRY_U32("rotary-encoder,relative_axis", 1),
4d2508a5 382 { },
a9e340dc
DT		 383};
384
550ee52d
DM		 385static struct platform_device rotary_encoder_device = {
386 .name = "rotary-encoder",
387 .id = 0,
550ee52d
DM		 388};
389
390/**
391 * GPIO buttons
392 */
393
394static struct gpio_keys_button gpio_keys_button[] = {
395 {
396 .code = KEY_F1,
397 .type = EV_KEY,
398 .gpio = GPIO_KEY1,
399 .active_low = 1,
400 .wakeup = 0,
401 .debounce_interval = 5, /* ms */
402 .desc = "Button 1",
403 },
404 {
405 .code = KEY_F2,
406 .type = EV_KEY,
407 .gpio = GPIO_KEY2,
408 .active_low = 1,
409 .wakeup = 0,
410 .debounce_interval = 5, /* ms */
411 .desc = "Button 2",
412 },
413 {
414 .code = KEY_F3,
415 .type = EV_KEY,
416 .gpio = GPIO_KEY3,
417 .active_low = 1,
418 .wakeup = 0,
419 .debounce_interval = 5, /* ms */
420 .desc = "Button 3",
421 },
422 {
423 .code = KEY_F4,
424 .type = EV_KEY,
425 .gpio = GPIO_RESCUE_BOOT,
426 .active_low = 0,
427 .wakeup = 0,
428 .debounce_interval = 5, /* ms */
429 .desc = "rescue boot button",
430 },
431 {
432 .code = KEY_F5,
433 .type = EV_KEY,
434 .gpio = GPIO_DOCK_DETECT,
435 .active_low = 1,
436 .wakeup = 0,
437 .debounce_interval = 5, /* ms */
438 .desc = "dock detect",
439 },
440 {
441 .code = KEY_F6,
442 .type = EV_KEY,
443 .gpio = GPIO_ON_OFF,
444 .active_low = 0,
445 .wakeup = 0,
446 .debounce_interval = 5, /* ms */
fe3ebaad 447 .desc = "on_off button",
550ee52d
DM		 448 },
449};
450
451static struct gpio_keys_platform_data gpio_keys_platform_data = {
452 .buttons = gpio_keys_button,
453 .nbuttons = ARRAY_SIZE(gpio_keys_button),
454 .rep = 0,
455};
456
457static struct platform_device raumfeld_gpio_keys_device = {
458 .name = "gpio-keys",
459 .id = -1,
460 .dev = {
461 .platform_data = &gpio_keys_platform_data,
462 }
463};
464
465/**
466 * GPIO LEDs
467 */
468
469static struct gpio_led raumfeld_leds[] = {
470 {
471 .name = "raumfeld:1",
472 .gpio = GPIO_LED1,
473 .active_low = 1,
474 .default_state = LEDS_GPIO_DEFSTATE_ON,
475 },
476 {
477 .name = "raumfeld:2",
478 .gpio = GPIO_LED2,
479 .active_low = 0,
480 .default_state = LEDS_GPIO_DEFSTATE_OFF,
481 }
482};
483
484static struct gpio_led_platform_data raumfeld_led_platform_data = {
485 .leds = raumfeld_leds,
486 .num_leds = ARRAY_SIZE(raumfeld_leds),
487};
488
489static struct platform_device raumfeld_led_device = {
490 .name = "leds-gpio",
491 .id = -1,
492 .dev = {
493 .platform_data = &raumfeld_led_platform_data,
494 },
495};
496
497/**
498 * One-wire (W1 bus) support
499 */
500
501static void w1_enable_external_pullup(int enable)
502{
503 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
504 msleep(100);
505}
506
e0fc62a6
LW		 507static struct gpiod_lookup_table raumfeld_w1_gpiod_table = {
508 .dev_id = "w1-gpio",
509 .table = {
510 GPIO_LOOKUP_IDX("gpio-pxa", GPIO_ONE_WIRE, NULL, 0,
511 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
512 },
513};
514
550ee52d 515static struct w1_gpio_platform_data w1_gpio_platform_data = {
e0fc62a6 516 .enable_external_pullup = w1_enable_external_pullup,
550ee52d
DM		 517};
518
4a672bfe 519static struct platform_device raumfeld_w1_gpio_device = {
550ee52d
DM		 520 .name = "w1-gpio",
521 .dev = {
522 .platform_data = &w1_gpio_platform_data
523 }
524};
525
526static void __init raumfeld_w1_init(void)
527{
528 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
e0fc62a6 529 "W1 external pullup enable");
550ee52d
DM		 530
531 if (ret < 0)
7b472ac7 532 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
550ee52d
DM		 533 else
534 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
535
e0fc62a6 536 gpiod_add_lookup_table(&raumfeld_w1_gpiod_table);
550ee52d
DM		 537 platform_device_register(&raumfeld_w1_gpio_device);
538}
539
540/**
541 * Framebuffer device
542 */
543
390f8298
TR		 544static struct pwm_lookup raumfeld_pwm_lookup[] = {
545 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
546 PWM_POLARITY_NORMAL),
547};
548
550ee52d
DM		 549/* PWM controlled backlight */
550static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
550ee52d
DM		 551 .max_brightness = 100,
552 .dft_brightness = 100,
db01120c 553 .enable_gpio = -1,
550ee52d
DM		 554};
555
556static struct platform_device raumfeld_pwm_backlight_device = {
557 .name = "pwm-backlight",
558 .dev = {
559 .parent = &pxa27x_device_pwm0.dev,
560 .platform_data = &raumfeld_pwm_backlight_data,
561 }
562};
563
564/* LT3593 controlled backlight */
565static struct gpio_led raumfeld_lt3593_led = {
566 .name = "backlight",
567 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
568 .default_state = LEDS_GPIO_DEFSTATE_ON,
569};
570
571static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
572 .leds = &raumfeld_lt3593_led,
573 .num_leds = 1,
574};
575
576static struct platform_device raumfeld_lt3593_device = {
577 .name = "leds-lt3593",
578 .id = -1,
579 .dev = {
580 .platform_data = &raumfeld_lt3593_platform_data,
581 },
582};
583
584static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
585 .pixclock = 111000,
586 .xres = 480,
587 .yres = 272,
588 .bpp = 16,
a74fe119 589 .hsync_len = 41,
550ee52d
DM		 590 .left_margin = 2,
591 .right_margin = 1,
a74fe119 592 .vsync_len = 10,
550ee52d
DM		 593 .upper_margin = 3,
594 .lower_margin = 1,
595 .sync = 0,
596};
597
598static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
599 .modes = &sharp_lq043t3dx02_mode,
600 .num_modes = 1,
601 .video_mem_size = 0x400000,
602 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
aa117816
DM		 603#ifdef CONFIG_PXA3XX_GCU
604 .acceleration_enabled = 1,
605#endif
550ee52d
DM		 606};
607
608static void __init raumfeld_lcd_init(void)
609{
610 int ret;
611
550ee52d
DM		 612 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
613 if (ret < 0)
7b472ac7 614 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
550ee52d
DM		 615 else
616 gpio_direction_output(GPIO_TFT_VA_EN, 1);
617
a74fe119
SN		 618 msleep(100);
619
550ee52d
DM		 620 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
621 if (ret < 0)
7b472ac7 622 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
550ee52d
DM		 623 else
624 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
aa117816 625
a74fe119
SN		 626 /* Hardware revision 2 has the backlight regulator controlled
627 * by an LT3593, earlier and later devices use PWM for that. */
628 if ((system_rev & 0xff) == 2) {
629 platform_device_register(&raumfeld_lt3593_device);
630 } else {
631 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
632 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
390f8298
TR		 633 pwm_add_table(raumfeld_pwm_lookup,
634 ARRAY_SIZE(raumfeld_pwm_lookup));
a74fe119
SN		 635 platform_device_register(&raumfeld_pwm_backlight_device);
636 }
637
638 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
aa117816 639 platform_device_register(&pxa3xx_device_gcu);
550ee52d
DM		 640}
641
642/**
643 * SPI devices
644 */
645
4a672bfe 646static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
550ee52d
DM		 647 .num_chipselect = 3,
648};
649
650static struct platform_device raumfeld_spi_device = {
651 .name = "spi_gpio",
652 .id = 0,
653 .dev = {
654 .platform_data = &raumfeld_spi_platform_data,
655 }
656};
657
9b00bc7b
LW		 658static struct gpiod_lookup_table raumfeld_spi_gpiod_table = {
659 .dev_id = "spi_gpio",
660 .table = {
661 GPIO_LOOKUP("gpio-0", GPIO_SPI_CLK,
662 "sck", GPIO_ACTIVE_HIGH),
663 GPIO_LOOKUP("gpio-0", GPIO_SPI_MOSI,
664 "mosi", GPIO_ACTIVE_HIGH),
665 GPIO_LOOKUP("gpio-0", GPIO_SPI_MISO,
666 "miso", GPIO_ACTIVE_HIGH),
667 GPIO_LOOKUP_IDX("gpio-0", GPIO_SPDIF_CS,
668 "cs", 0, GPIO_ACTIVE_HIGH),
669 GPIO_LOOKUP_IDX("gpio-0", GPIO_ACCEL_CS,
670 "cs", 1, GPIO_ACTIVE_HIGH),
671 GPIO_LOOKUP_IDX("gpio-0", GPIO_MCLK_DAC_CS,
672 "cs", 2, GPIO_ACTIVE_HIGH),
673 { },
674 },
675};
676
550ee52d
DM		 677static struct lis3lv02d_platform_data lis3_pdata = {
678 .click_flags = LIS3_CLICK_SINGLE_X |
679 LIS3_CLICK_SINGLE_Y |
680 LIS3_CLICK_SINGLE_Z,
681 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
682 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
683 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
684 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
685 .wakeup_thresh = 10,
686 .click_thresh_x = 10,
687 .click_thresh_y = 10,
688 .click_thresh_z = 10,
689};
690
691#define SPI_AK4104 \
692{ \
9c0de494
DM		 693 .modalias = "ak4104-codec", \
694 .max_speed_hz = 10000, \
695 .bus_num = 0, \
696 .chip_select = 0, \
550ee52d
DM		 697}
698
699#define SPI_LIS3 \
700{ \
701 .modalias = "lis3lv02d_spi", \
702 .max_speed_hz = 1000000, \
703 .bus_num = 0, \
704 .chip_select = 1, \
550ee52d 705 .platform_data = &lis3_pdata, \
4929f5a8 706 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
550ee52d
DM		 707}
708
709#define SPI_DAC7512 \
710{ \
711 .modalias = "dac7512", \
712 .max_speed_hz = 1000000, \
713 .bus_num = 0, \
714 .chip_select = 2, \
550ee52d
DM		 715}
716
717static struct spi_board_info connector_spi_devices[] __initdata = {
718 SPI_AK4104,
719 SPI_DAC7512,
720};
721
722static struct spi_board_info speaker_spi_devices[] __initdata = {
723 SPI_DAC7512,
724};
725
726static struct spi_board_info controller_spi_devices[] __initdata = {
727 SPI_LIS3,
728};
729
730/**
731 * MMC for Marvell Libertas 8688 via SDIO
732 */
733
734static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
735{
736 gpio_set_value(GPIO_W2W_RESET, 1);
737 gpio_set_value(GPIO_W2W_PDN, 1);
738
739 return 0;
740}
741
742static void raumfeld_mci_exit(struct device *dev, void *data)
743{
744 gpio_set_value(GPIO_W2W_RESET, 0);
745 gpio_set_value(GPIO_W2W_PDN, 0);
746}
747
748static struct pxamci_platform_data raumfeld_mci_platform_data = {
749 .init = raumfeld_mci_init,
750 .exit = raumfeld_mci_exit,
f97cab28 751 .detect_delay_ms = 200,
550ee52d
DM		 752 .gpio_card_detect = -1,
753 .gpio_card_ro = -1,
754 .gpio_power = -1,
755};
756
757/*
758 * External power / charge logic
759 */
760
761static int power_supply_init(struct device *dev)
762{
763 return 0;
764}
765
766static void power_supply_exit(struct device *dev)
767{
768}
769
770static int raumfeld_is_ac_online(void)
771{
772 return !gpio_get_value(GPIO_CHARGE_DC_OK);
773}
774
775static int raumfeld_is_usb_online(void)
776{
777 return 0;
778}
779
780static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
781
9ceb4c99
DM		 782static void raumfeld_power_signal_charged(void)
783{
784 struct power_supply *psy =
785 power_supply_get_by_name(raumfeld_power_supplicants[0]);
786
d3a6097b 787 if (psy) {
9ceb4c99 788 power_supply_set_battery_charged(psy);
d3a6097b
KK		 789 power_supply_put(psy);
790 }
9ceb4c99
DM		 791}
792
793static int raumfeld_power_resume(void)
794{
795 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
796 if (!gpio_get_value(GPIO_CHARGE_DONE))
797 raumfeld_power_signal_charged();
798
799 return 0;
800}
801
550ee52d
DM		 802static struct pda_power_pdata power_supply_info = {
803 .init = power_supply_init,
804 .is_ac_online = raumfeld_is_ac_online,
805 .is_usb_online = raumfeld_is_usb_online,
806 .exit = power_supply_exit,
807 .supplied_to = raumfeld_power_supplicants,
9ceb4c99
DM		 808 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
809 .resume = raumfeld_power_resume,
550ee52d
DM		 810};
811
812static struct resource power_supply_resources[] = {
813 {
814 .name = "ac",
815 .flags = IORESOURCE_IRQ |
816 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
817 .start = GPIO_CHARGE_DC_OK,
818 .end = GPIO_CHARGE_DC_OK,
819 },
820};
821
822static irqreturn_t charge_done_irq(int irq, void *dev_id)
823{
9ceb4c99 824 raumfeld_power_signal_charged();
550ee52d
DM		 825 return IRQ_HANDLED;
826}
827
828static struct platform_device raumfeld_power_supply = {
829 .name = "pda-power",
830 .id = -1,
831 .dev = {
832 .platform_data = &power_supply_info,
833 },
834 .resource = power_supply_resources,
835 .num_resources = ARRAY_SIZE(power_supply_resources),
836};
837
838static void __init raumfeld_power_init(void)
839{
840 int ret;
841
842 /* Set PEN2 high to enable maximum charge current */
843 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
844 if (ret < 0)
7b472ac7 845 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
550ee52d
DM		 846 else
847 gpio_direction_output(GPIO_CHRG_PEN2, 1);
848
849 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
850 if (ret < 0)
7b472ac7 851 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
550ee52d
DM		 852
853 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
854 if (ret < 0)
7b472ac7 855 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
550ee52d
DM		 856 else
857 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
858
859 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
860 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
861
862 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
863 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
864 "charge_done", NULL);
865
866 if (ret < 0)
867 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
868 GPIO_CHARGE_DONE);
869 else
870 platform_device_register(&raumfeld_power_supply);
871}
872
873/* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
874
875static struct regulator_consumer_supply audio_va_consumer_supply =
876 REGULATOR_SUPPLY("va", "0-0048");
877
4a672bfe 878static struct regulator_init_data audio_va_initdata = {
550ee52d
DM		 879 .consumer_supplies = &audio_va_consumer_supply,
880 .num_consumer_supplies = 1,
881 .constraints = {
882 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
883 },
884};
885
886static struct fixed_voltage_config audio_va_config = {
887 .supply_name = "audio_va",
888 .microvolts = 5000000,
889 .gpio = GPIO_AUDIO_VA_ENABLE,
890 .enable_high = 1,
891 .enabled_at_boot = 0,
892 .init_data = &audio_va_initdata,
893};
894
895static struct platform_device audio_va_device = {
896 .name = "reg-fixed-voltage",
897 .id = 0,
898 .dev = {
899 .platform_data = &audio_va_config,
900 },
901};
902
903/* Dummy supplies for Codec's VD/VLC */
904
905static struct regulator_consumer_supply audio_dummy_supplies[] = {
906 REGULATOR_SUPPLY("vd", "0-0048"),
907 REGULATOR_SUPPLY("vlc", "0-0048"),
908};
909
4a672bfe 910static struct regulator_init_data audio_dummy_initdata = {
550ee52d
DM		 911 .consumer_supplies = audio_dummy_supplies,
912 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
913 .constraints = {
914 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
915 },
916};
917
918static struct fixed_voltage_config audio_dummy_config = {
919 .supply_name = "audio_vd",
920 .microvolts = 3300000,
921 .gpio = -1,
922 .init_data = &audio_dummy_initdata,
923};
924
925static struct platform_device audio_supply_dummy_device = {
926 .name = "reg-fixed-voltage",
927 .id = 1,
928 .dev = {
929 .platform_data = &audio_dummy_config,
930 },
931};
932
933static struct platform_device *audio_regulator_devices[] = {
934 &audio_va_device,
935 &audio_supply_dummy_device,
936};
937
938/**
939 * Regulator support via MAX8660
940 */
941
942static struct regulator_consumer_supply vcc_mmc_supply =
943 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
944
945static struct regulator_init_data vcc_mmc_init_data = {
946 .constraints = {
947 .min_uV = 3300000,
948 .max_uV = 3300000,
949 .valid_modes_mask = REGULATOR_MODE_NORMAL,
950 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
951 REGULATOR_CHANGE_VOLTAGE |
952 REGULATOR_CHANGE_MODE,
953 },
954 .consumer_supplies = &vcc_mmc_supply,
955 .num_consumer_supplies = 1,
956};
957
4a672bfe 958static struct max8660_subdev_data max8660_v6_subdev_data = {
550ee52d
DM		 959 .id = MAX8660_V6,
960 .name = "vmmc",
961 .platform_data = &vcc_mmc_init_data,
962};
963
964static struct max8660_platform_data max8660_pdata = {
965 .subdevs = &max8660_v6_subdev_data,
966 .num_subdevs = 1,
967};
968
969/**
970 * I2C devices
971 */
972
973static struct i2c_board_info raumfeld_pwri2c_board_info = {
974 .type = "max8660",
975 .addr = 0x34,
976 .platform_data = &max8660_pdata,
977};
978
979static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
980 .type = "cs4270",
981 .addr = 0x48,
982};
983
d99caa47
DT		 984static struct gpiod_lookup_table raumfeld_controller_gpios_table = {
985 .dev_id = "0-000a",
986 .table = {
987 GPIO_LOOKUP("gpio-pxa",
988 GPIO_TOUCH_IRQ, "attn", GPIO_ACTIVE_HIGH),
989 { },
990 },
550ee52d
DM		 991};
992
312ec92d 993static const struct resource raumfeld_controller_resources[] __initconst = {
d422be5f
DT		 994 {
995 .start = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
996 .end = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
997 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
998 },
999};
1000
550ee52d
DM		 1001static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
1002 .type = "eeti_ts",
1003 .addr = 0x0a,
d422be5f
DT		 1004 .resources = raumfeld_controller_resources,
1005 .num_resources = ARRAY_SIZE(raumfeld_controller_resources),
550ee52d
DM		 1006};
1007
1008static struct platform_device *raumfeld_common_devices[] = {
1009 &raumfeld_gpio_keys_device,
1010 &raumfeld_led_device,
1011 &raumfeld_spi_device,
1012};
1013
1014static void __init raumfeld_audio_init(void)
1015{
1016 int ret;
1017
1018 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
1019 if (ret < 0)
7b472ac7 1020 pr_warn("unable to request GPIO_CODEC_RESET\n");
550ee52d
DM		 1021 else
1022 gpio_direction_output(GPIO_CODEC_RESET, 1);
1023
1024 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
1025 if (ret < 0)
7b472ac7 1026 pr_warn("unable to request GPIO_SPDIF_RESET\n");
550ee52d
DM		 1027 else
1028 gpio_direction_output(GPIO_SPDIF_RESET, 1);
1029
1030 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
1031 if (ret < 0)
7b472ac7 1032 pr_warn("unable to request GPIO_MCLK_RESET\n");
550ee52d
DM		 1033 else
1034 gpio_direction_output(GPIO_MCLK_RESET, 1);
1035
1036 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1037}
1038
1039static void __init raumfeld_common_init(void)
1040{
1041 int ret;
1042
1043 /* The on/off button polarity has changed after revision 1 */
1044 if ((system_rev & 0xff) > 1) {
1045 int i;
1046
1047 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
299ed078 1048 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
550ee52d
DM		 1049 gpio_keys_button[i].active_low = 1;
1050 }
1051
1052 enable_irq_wake(IRQ_WAKEUP0);
1053
1054 pxa3xx_set_nand_info(&raumfeld_nand_info);
1055 pxa3xx_set_i2c_power_info(NULL);
1056 pxa_set_ohci_info(&raumfeld_ohci_info);
1057 pxa_set_mci_info(&raumfeld_mci_platform_data);
1058 pxa_set_i2c_info(NULL);
1059 pxa_set_ffuart_info(NULL);
1060
1061 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1062 if (ret < 0)
7b472ac7 1063 pr_warn("Unable to request GPIO_W2W_RESET\n");
550ee52d
DM		 1064 else
1065 gpio_direction_output(GPIO_W2W_RESET, 0);
1066
1067 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1068 if (ret < 0)
7b472ac7 1069 pr_warn("Unable to request GPIO_W2W_PDN\n");
550ee52d
DM		 1070 else
1071 gpio_direction_output(GPIO_W2W_PDN, 0);
1072
1073 /* this can be used to switch off the device */
299ed078 1074 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
550ee52d 1075 if (ret < 0)
7b472ac7 1076 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
550ee52d
DM		 1077 else
1078 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1079
9b00bc7b 1080 gpiod_add_lookup_table(&raumfeld_spi_gpiod_table);
550ee52d
DM		 1081 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1082 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1083}
1084
f41bd6af 1085static void __init __maybe_unused raumfeld_controller_init(void)
550ee52d
DM		 1086{
1087 int ret;
1088
1089 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
77a8f0ad
DT		 1090
1091 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
f4d05266
HK		 1092 device_add_properties(&rotary_encoder_device.dev,
1093 raumfeld_rotary_properties);
550ee52d 1094 platform_device_register(&rotary_encoder_device);
77a8f0ad 1095
550ee52d 1096 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
d99caa47
DT		 1097
1098 gpiod_add_lookup_table(&raumfeld_controller_gpios_table);
550ee52d
DM		 1099 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1100
1101 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1102 if (ret < 0)
7b472ac7 1103 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
550ee52d
DM		 1104 else
1105 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1106
1107 raumfeld_common_init();
1108 raumfeld_power_init();
1109 raumfeld_lcd_init();
1110 raumfeld_w1_init();
1111}
1112
f41bd6af 1113static void __init __maybe_unused raumfeld_connector_init(void)
550ee52d
DM		 1114{
1115 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1116 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1117 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1118
1119 platform_device_register(&smc91x_device);
1120
1121 raumfeld_audio_init();
1122 raumfeld_common_init();
1123}
1124
f41bd6af 1125static void __init __maybe_unused raumfeld_speaker_init(void)
550ee52d
DM		 1126{
1127 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1128 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1129 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1130
1131 platform_device_register(&smc91x_device);
77a8f0ad
DT		 1132
1133 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
f4d05266
HK		 1134 device_add_properties(&rotary_encoder_device.dev,
1135 raumfeld_rotary_properties);
550ee52d
DM		 1136 platform_device_register(&rotary_encoder_device);
1137
1138 raumfeld_audio_init();
1139 raumfeld_common_init();
1140}
1141
1142/* physical memory regions */
1143#define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1144
1145#ifdef CONFIG_MACH_RAUMFELD_RC
1146MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
7375aba6 1147 .atag_offset = 0x100,
550ee52d 1148 .init_machine = raumfeld_controller_init,
851982c1 1149 .map_io = pxa3xx_map_io,
4e611091 1150 .nr_irqs = PXA_NR_IRQS,
550ee52d 1151 .init_irq = pxa3xx_init_irq,
8a97ae2f 1152 .handle_irq = pxa3xx_handle_irq,
6bb27d73 1153 .init_time = pxa_timer_init,
271a74fc 1154 .restart = pxa_restart,
550ee52d
DM		 1155MACHINE_END
1156#endif
1157
1158#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1159MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
7375aba6 1160 .atag_offset = 0x100,
550ee52d 1161 .init_machine = raumfeld_connector_init,
851982c1 1162 .map_io = pxa3xx_map_io,
4e611091 1163 .nr_irqs = PXA_NR_IRQS,
550ee52d 1164 .init_irq = pxa3xx_init_irq,
8a97ae2f 1165 .handle_irq = pxa3xx_handle_irq,
6bb27d73 1166 .init_time = pxa_timer_init,
271a74fc 1167 .restart = pxa_restart,
550ee52d
DM		 1168MACHINE_END
1169#endif
1170
1171#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1172MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
7375aba6 1173 .atag_offset = 0x100,
550ee52d 1174 .init_machine = raumfeld_speaker_init,
851982c1 1175 .map_io = pxa3xx_map_io,
4e611091 1176 .nr_irqs = PXA_NR_IRQS,
550ee52d 1177 .init_irq = pxa3xx_init_irq,
8a97ae2f 1178 .handle_irq = pxa3xx_handle_irq,
6bb27d73 1179 .init_time = pxa_timer_init,
271a74fc 1180 .restart = pxa_restart,
550ee52d
DM		 1181MACHINE_END
1182#endif
Linux 6.x block layer and io_uring tree(s)