1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Support for Sharp SL-Cxx00 Series of PDAs
4 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
5 *
6 * Copyright (c) 2005 Richard Purdie
7 *
8 * Based on Sharp's 2.4 kernel patches/lubbock.c
9 */
10
11#include <linux/kernel.h>
12#include <linux/platform_device.h>
13#include <linux/delay.h>
14#include <linux/gpio_keys.h>
15#include <linux/gpio.h>
16#include <linux/gpio/machine.h>
17#include <linux/gpio/property.h>
18#include <linux/leds.h>
19#include <linux/i2c.h>
20#include <linux/platform_data/i2c-pxa.h>
21#include <linux/platform_data/pca953x.h>
22#include <linux/property.h>
23#include <linux/spi/spi.h>
24#include <linux/spi/ads7846.h>
25#include <linux/spi/corgi_lcd.h>
26#include <linux/mtd/sharpsl.h>
27#include <linux/mtd/physmap.h>
28#include <linux/input-event-codes.h>
29#include <linux/input/matrix_keypad.h>
30#include <linux/regulator/machine.h>
31#include <linux/io.h>
32#include <linux/property.h>
33#include <linux/reboot.h>
34#include <linux/memblock.h>
35
36#include <asm/setup.h>
37#include <asm/mach-types.h>
38#include <asm/mach/arch.h>
39#include <asm/mach/sharpsl_param.h>
40#include <asm/hardware/scoop.h>
41
42#include "pxa27x.h"
43#include "pxa27x-udc.h"
44#include "reset.h"
45#include <linux/platform_data/mmc-pxamci.h>
46#include <linux/platform_data/usb-ohci-pxa27x.h>
47#include <linux/platform_data/video-pxafb.h>
48#include "spitz.h"
49#include "sharpsl_pm.h"
50#include "smemc.h"
51
52#include "generic.h"
53#include "devices.h"
54
55/******************************************************************************
56 * Pin configuration
57 ******************************************************************************/
58static unsigned long spitz_pin_config[] __initdata = {
59 /* Chip Selects */
60 GPIO78_nCS_2, /* SCOOP #2 */
61 GPIO79_nCS_3, /* NAND */
62 GPIO80_nCS_4, /* SCOOP #1 */
63
64 /* LCD - 16bpp Active TFT */
65 GPIOxx_LCD_TFT_16BPP,
66
67 /* PC Card */
68 GPIO48_nPOE,
69 GPIO49_nPWE,
70 GPIO50_nPIOR,
71 GPIO51_nPIOW,
72 GPIO85_nPCE_1,
73 GPIO54_nPCE_2,
74 GPIO55_nPREG,
75 GPIO56_nPWAIT,
76 GPIO57_nIOIS16,
77 GPIO104_PSKTSEL,
78
79 /* I2S */
80 GPIO28_I2S_BITCLK_OUT,
81 GPIO29_I2S_SDATA_IN,
82 GPIO30_I2S_SDATA_OUT,
83 GPIO31_I2S_SYNC,
84
85 /* MMC */
86 GPIO32_MMC_CLK,
87 GPIO112_MMC_CMD,
88 GPIO92_MMC_DAT_0,
89 GPIO109_MMC_DAT_1,
90 GPIO110_MMC_DAT_2,
91 GPIO111_MMC_DAT_3,
92
93 /* GPIOs */
94 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */
95 GPIO16_GPIO, /* SPITZ_GPIO_SYNC */
96 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */
97 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */
98 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */
99 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */
100 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */
101 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */
102 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */
103 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */
104
105 /* GPIO matrix keypad */
106 GPIO88_GPIO, /* column 0 */
107 GPIO23_GPIO, /* column 1 */
108 GPIO24_GPIO, /* column 2 */
109 GPIO25_GPIO, /* column 3 */
110 GPIO26_GPIO, /* column 4 */
111 GPIO27_GPIO, /* column 5 */
112 GPIO52_GPIO, /* column 6 */
113 GPIO103_GPIO, /* column 7 */
114 GPIO107_GPIO, /* column 8 */
115 GPIO108_GPIO, /* column 9 */
116 GPIO114_GPIO, /* column 10 */
117 GPIO12_GPIO, /* row 0 */
118 GPIO17_GPIO, /* row 1 */
119 GPIO91_GPIO, /* row 2 */
120 GPIO34_GPIO, /* row 3 */
121 GPIO36_GPIO, /* row 4 */
122 GPIO38_GPIO, /* row 5 */
123 GPIO39_GPIO, /* row 6 */
124
125 /* I2C */
126 GPIO117_I2C_SCL,
127 GPIO118_I2C_SDA,
128
129 GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* SPITZ_GPIO_KEY_INT */
130 GPIO1_GPIO | WAKEUP_ON_EDGE_FALL, /* SPITZ_GPIO_RESET */
131};
132
133static const struct software_node spitz_scoop_1_gpiochip_node = {
134 .name = "sharp-scoop.0",
135};
136
137/* Only on Spitz */
138static const struct software_node spitz_scoop_2_gpiochip_node = {
139 .name = "sharp-scoop.1",
140};
141
142/* Only on Akita */
143static const struct software_node akita_max7310_gpiochip_node = {
144 .name = "i2c-max7310",
145};
146
147/******************************************************************************
148 * Scoop GPIO expander
149 ******************************************************************************/
150#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
151/* SCOOP Device #1 */
152static struct resource spitz_scoop_1_resources[] = {
153 [0] = {
154 .start = 0x10800000,
155 .end = 0x10800fff,
156 .flags = IORESOURCE_MEM,
157 },
158};
159
160static struct scoop_config spitz_scoop_1_setup = {
161 .io_dir = SPITZ_SCP_IO_DIR,
162 .io_out = SPITZ_SCP_IO_OUT,
163 .suspend_clr = SPITZ_SCP_SUS_CLR,
164 .suspend_set = SPITZ_SCP_SUS_SET,
165 .gpio_base = SPITZ_SCP_GPIO_BASE,
166};
167
168struct platform_device spitz_scoop_1_device = {
169 .name = "sharp-scoop",
170 .id = 0,
171 .dev = {
172 .platform_data = &spitz_scoop_1_setup,
173 },
174 .num_resources = ARRAY_SIZE(spitz_scoop_1_resources),
175 .resource = spitz_scoop_1_resources,
176};
177
178/* SCOOP Device #2 */
179static struct resource spitz_scoop_2_resources[] = {
180 [0] = {
181 .start = 0x08800040,
182 .end = 0x08800fff,
183 .flags = IORESOURCE_MEM,
184 },
185};
186
187static struct scoop_config spitz_scoop_2_setup = {
188 .io_dir = SPITZ_SCP2_IO_DIR,
189 .io_out = SPITZ_SCP2_IO_OUT,
190 .suspend_clr = SPITZ_SCP2_SUS_CLR,
191 .suspend_set = SPITZ_SCP2_SUS_SET,
192 .gpio_base = SPITZ_SCP2_GPIO_BASE,
193};
194
195struct platform_device spitz_scoop_2_device = {
196 .name = "sharp-scoop",
197 .id = 1,
198 .dev = {
199 .platform_data = &spitz_scoop_2_setup,
200 },
201 .num_resources = ARRAY_SIZE(spitz_scoop_2_resources),
202 .resource = spitz_scoop_2_resources,
203};
204
205static void __init spitz_scoop_init(void)
206{
207 platform_device_register(&spitz_scoop_1_device);
208
209 /* Akita doesn't have the second SCOOP chip */
210 if (!machine_is_akita())
211 platform_device_register(&spitz_scoop_2_device);
212}
213
214/* Power control is shared with between one of the CF slots and SD */
215static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
216{
217 unsigned short cpr;
218 unsigned long flags;
219
220 if (new_cpr & 0x7) {
221 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
222 mdelay(5);
223 }
224
225 local_irq_save(flags);
226
227 cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);
228
229 if (enable & new_cpr)
230 cpr |= new_cpr;
231 else
232 cpr &= ~enable;
233
234 write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);
235
236 local_irq_restore(flags);
237
238 if (!(cpr & 0x7)) {
239 mdelay(1);
240 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
241 }
242}
243
244#else
245static inline void spitz_scoop_init(void) {}
246static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
247#endif
248
249/******************************************************************************
250 * PCMCIA
251 ******************************************************************************/
252#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
253static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
254{
255 /* Only need to override behaviour for slot 0 */
256 if (nr == 0)
257 spitz_card_pwr_ctrl(
258 cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
259 else
260 write_scoop_reg(scoop, SCOOP_CPR, cpr);
261}
262
263static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
264 {
265 .dev = &spitz_scoop_1_device.dev,
266 .irq = SPITZ_IRQ_GPIO_CF_IRQ,
267 .cd_irq = SPITZ_IRQ_GPIO_CF_CD,
268 .cd_irq_str = "PCMCIA0 CD",
269 }, {
270 .dev = &spitz_scoop_2_device.dev,
271 .irq = SPITZ_IRQ_GPIO_CF2_IRQ,
272 .cd_irq = -1,
273 },
274};
275
276static struct scoop_pcmcia_config spitz_pcmcia_config = {
277 .devs = &spitz_pcmcia_scoop[0],
278 .num_devs = 2,
279 .power_ctrl = spitz_pcmcia_pwr,
280};
281
282static void __init spitz_pcmcia_init(void)
283{
284 /* Akita has only one PCMCIA slot used */
285 if (machine_is_akita())
286 spitz_pcmcia_config.num_devs = 1;
287
288 platform_scoop_config = &spitz_pcmcia_config;
289}
290#else
291static inline void spitz_pcmcia_init(void) {}
292#endif
293
294/******************************************************************************
295 * GPIO keyboard
296 ******************************************************************************/
297#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
298
299#define SPITZ_KEY_CALENDAR KEY_F1
300#define SPITZ_KEY_ADDRESS KEY_F2
301#define SPITZ_KEY_FN KEY_F3
302#define SPITZ_KEY_CANCEL KEY_F4
303#define SPITZ_KEY_EXOK KEY_F5
304#define SPITZ_KEY_EXCANCEL KEY_F6
305#define SPITZ_KEY_EXJOGDOWN KEY_F7
306#define SPITZ_KEY_EXJOGUP KEY_F8
307#define SPITZ_KEY_JAP1 KEY_LEFTALT
308#define SPITZ_KEY_JAP2 KEY_RIGHTCTRL
309#define SPITZ_KEY_SYNC KEY_F9
310#define SPITZ_KEY_MAIL KEY_F10
311#define SPITZ_KEY_OK KEY_F11
312#define SPITZ_KEY_MENU KEY_F12
313
314static const uint32_t spitz_keymap[] = {
315 KEY(0, 0, KEY_LEFTCTRL),
316 KEY(0, 1, KEY_1),
317 KEY(0, 2, KEY_3),
318 KEY(0, 3, KEY_5),
319 KEY(0, 4, KEY_6),
320 KEY(0, 5, KEY_7),
321 KEY(0, 6, KEY_9),
322 KEY(0, 7, KEY_0),
323 KEY(0, 8, KEY_BACKSPACE),
324 KEY(0, 9, SPITZ_KEY_EXOK), /* EXOK */
325 KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
326 KEY(1, 1, KEY_2),
327 KEY(1, 2, KEY_4),
328 KEY(1, 3, KEY_R),
329 KEY(1, 4, KEY_Y),
330 KEY(1, 5, KEY_8),
331 KEY(1, 6, KEY_I),
332 KEY(1, 7, KEY_O),
333 KEY(1, 8, KEY_P),
334 KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
335 KEY(1, 10, SPITZ_KEY_EXJOGUP), /* EXJOGUP */
336 KEY(2, 0, KEY_TAB),
337 KEY(2, 1, KEY_Q),
338 KEY(2, 2, KEY_E),
339 KEY(2, 3, KEY_T),
340 KEY(2, 4, KEY_G),
341 KEY(2, 5, KEY_U),
342 KEY(2, 6, KEY_J),
343 KEY(2, 7, KEY_K),
344 KEY(3, 0, SPITZ_KEY_ADDRESS), /* ADDRESS */
345 KEY(3, 1, KEY_W),
346 KEY(3, 2, KEY_S),
347 KEY(3, 3, KEY_F),
348 KEY(3, 4, KEY_V),
349 KEY(3, 5, KEY_H),
350 KEY(3, 6, KEY_M),
351 KEY(3, 7, KEY_L),
352 KEY(3, 9, KEY_RIGHTSHIFT),
353 KEY(4, 0, SPITZ_KEY_CALENDAR), /* CALENDAR */
354 KEY(4, 1, KEY_A),
355 KEY(4, 2, KEY_D),
356 KEY(4, 3, KEY_C),
357 KEY(4, 4, KEY_B),
358 KEY(4, 5, KEY_N),
359 KEY(4, 6, KEY_DOT),
360 KEY(4, 8, KEY_ENTER),
361 KEY(4, 9, KEY_LEFTSHIFT),
362 KEY(5, 0, SPITZ_KEY_MAIL), /* MAIL */
363 KEY(5, 1, KEY_Z),
364 KEY(5, 2, KEY_X),
365 KEY(5, 3, KEY_MINUS),
366 KEY(5, 4, KEY_SPACE),
367 KEY(5, 5, KEY_COMMA),
368 KEY(5, 7, KEY_UP),
369 KEY(5, 10, SPITZ_KEY_FN), /* FN */
370 KEY(6, 0, KEY_SYSRQ),
371 KEY(6, 1, SPITZ_KEY_JAP1), /* JAP1 */
372 KEY(6, 2, SPITZ_KEY_JAP2), /* JAP2 */
373 KEY(6, 3, SPITZ_KEY_CANCEL), /* CANCEL */
374 KEY(6, 4, SPITZ_KEY_OK), /* OK */
375 KEY(6, 5, SPITZ_KEY_MENU), /* MENU */
376 KEY(6, 6, KEY_LEFT),
377 KEY(6, 7, KEY_DOWN),
378 KEY(6, 8, KEY_RIGHT),
379};
380
381static const struct software_node_ref_args spitz_mkp_row_gpios[] = {
382 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 12, GPIO_ACTIVE_HIGH),
383 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 17, GPIO_ACTIVE_HIGH),
384 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 91, GPIO_ACTIVE_HIGH),
385 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 34, GPIO_ACTIVE_HIGH),
386 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 36, GPIO_ACTIVE_HIGH),
387 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 38, GPIO_ACTIVE_HIGH),
388 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 39, GPIO_ACTIVE_HIGH),
389};
390
391static const struct software_node_ref_args spitz_mkp_col_gpios[] = {
392 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 88, GPIO_ACTIVE_HIGH),
393 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 23, GPIO_ACTIVE_HIGH),
394 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 24, GPIO_ACTIVE_HIGH),
395 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 25, GPIO_ACTIVE_HIGH),
396 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 26, GPIO_ACTIVE_HIGH),
397 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 27, GPIO_ACTIVE_HIGH),
398 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 52, GPIO_ACTIVE_HIGH),
399 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 103, GPIO_ACTIVE_HIGH),
400 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 107, GPIO_ACTIVE_HIGH),
401 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 108, GPIO_ACTIVE_HIGH),
402 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 114, GPIO_ACTIVE_HIGH),
403};
404
405static const struct property_entry spitz_mkp_properties[] = {
406 PROPERTY_ENTRY_U32_ARRAY("linux,keymap", spitz_keymap),
407 PROPERTY_ENTRY_REF_ARRAY("row-gpios", spitz_mkp_row_gpios),
408 PROPERTY_ENTRY_REF_ARRAY("col-gpios", spitz_mkp_col_gpios),
409 PROPERTY_ENTRY_U32("col-scan-delay-us", 10),
410 PROPERTY_ENTRY_U32("debounce-delay-ms", 10),
411 PROPERTY_ENTRY_BOOL("wakeup-source"),
412 { }
413};
414
415static const struct platform_device_info spitz_mkp_info __initconst = {
416 .name = "matrix-keypad",
417 .id = PLATFORM_DEVID_NONE,
418 .properties = spitz_mkp_properties,
419};
420
421
422static void __init spitz_mkp_init(void)
423{
424 struct platform_device *pd;
425 int err;
426
427 pd = platform_device_register_full(pdevinfo: &spitz_mkp_info);
428 err = PTR_ERR_OR_ZERO(ptr: pd);
429 if (err)
430 pr_err("failed to create keypad device: %d\n", err);
431}
432#else
433static inline void spitz_mkp_init(void) {}
434#endif
435
436/******************************************************************************
437 * GPIO keys
438 ******************************************************************************/
439#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
440static const struct software_node spitz_gpio_keys_node = {
441 .name = "spitz-gpio-keys",
442};
443
444static const struct property_entry spitz_suspend_key_props[] = {
445 PROPERTY_ENTRY_U32("linux,input-type", EV_PWR),
446 PROPERTY_ENTRY_U32("linux,code", KEY_SUSPEND),
447 PROPERTY_ENTRY_GPIO("gpios", &pxa2xx_gpiochip_node,
448 SPITZ_GPIO_ON_KEY, GPIO_ACTIVE_HIGH),
449 PROPERTY_ENTRY_STRING("label", "On Off"),
450 PROPERTY_ENTRY_BOOL("wakeup-source"),
451 { }
452};
453
454static const struct software_node spitz_suspend_key_node = {
455 .parent = &spitz_gpio_keys_node,
456 .properties = spitz_suspend_key_props,
457};
458
459static const struct property_entry spitz_sw1_props[] = {
460 PROPERTY_ENTRY_U32("linux,input-type", EV_SW),
461 PROPERTY_ENTRY_U32("linux,code", 0),
462 PROPERTY_ENTRY_GPIO("gpios", &pxa2xx_gpiochip_node,
463 SPITZ_GPIO_SWA, GPIO_ACTIVE_HIGH),
464 PROPERTY_ENTRY_STRING("label", "Display Down"),
465 { }
466};
467
468static const struct software_node spitz_sw1_node = {
469 .parent = &spitz_gpio_keys_node,
470 .properties = spitz_sw1_props,
471};
472
473static const struct property_entry spitz_sw2_props[] = {
474 PROPERTY_ENTRY_U32("linux,input-type", EV_SW),
475 PROPERTY_ENTRY_U32("linux,code", 1),
476 PROPERTY_ENTRY_GPIO("gpios", &pxa2xx_gpiochip_node,
477 SPITZ_GPIO_SWB, GPIO_ACTIVE_HIGH),
478 PROPERTY_ENTRY_STRING("label", "Lid Closed"),
479 { }
480};
481
482static const struct software_node spitz_sw2_node = {
483 .parent = &spitz_gpio_keys_node,
484 .properties = spitz_sw2_props,
485};
486
487static const struct software_node *spitz_gpio_keys_swnodes[] = {
488 &spitz_gpio_keys_node,
489 &spitz_suspend_key_node,
490 &spitz_sw1_node,
491 &spitz_sw2_node,
492 NULL
493};
494
495static void __init spitz_keys_init(void)
496{
497 struct platform_device_info keys_info = {
498 .name = "gpio-keys",
499 .id = PLATFORM_DEVID_NONE,
500 };
501 struct platform_device *pd;
502 int err;
503
504 err = software_node_register_node_group(node_group: spitz_gpio_keys_swnodes);
505 if (err) {
506 pr_err("failed to register gpio-keys software nodes: %d\n", err);
507 return;
508 }
509
510 keys_info.fwnode = software_node_fwnode(node: &spitz_gpio_keys_node);
511
512 pd = platform_device_register_full(pdevinfo: &keys_info);
513 err = PTR_ERR_OR_ZERO(ptr: pd);
514 if (err)
515 pr_err("failed to create gpio-keys device: %d\n", err);
516}
517#else
518static inline void spitz_keys_init(void) {}
519#endif
520
521/******************************************************************************
522 * LEDs
523 ******************************************************************************/
524#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
525static const struct software_node spitz_gpio_leds_node = {
526 .name = "spitz-leds",
527};
528
529static const struct property_entry spitz_orange_led_props[] = {
530 PROPERTY_ENTRY_STRING("linux,default-trigger", "sharpsl-charge"),
531 PROPERTY_ENTRY_GPIO("gpios",
532 &spitz_scoop_1_gpiochip_node, 6, GPIO_ACTIVE_HIGH),
533 { }
534};
535
536static const struct software_node spitz_orange_led_node = {
537 .name = "spitz:amber:charge",
538 .parent = &spitz_gpio_leds_node,
539 .properties = spitz_orange_led_props,
540};
541
542static const struct property_entry spitz_green_led_props[] = {
543 PROPERTY_ENTRY_STRING("linux,default-trigger", "disk-activity"),
544 PROPERTY_ENTRY_GPIO("gpios",
545 &spitz_scoop_1_gpiochip_node, 0, GPIO_ACTIVE_HIGH),
546 { }
547};
548
549static const struct software_node spitz_green_led_node = {
550 .name = "spitz:green:hddactivity",
551 .parent = &spitz_gpio_leds_node,
552 .properties = spitz_green_led_props,
553};
554
555static const struct software_node *spitz_gpio_leds_swnodes[] = {
556 &spitz_gpio_leds_node,
557 &spitz_orange_led_node,
558 &spitz_green_led_node,
559 NULL
560};
561
562static void __init spitz_leds_init(void)
563{
564 struct platform_device_info led_info = {
565 .name = "leds-gpio",
566 .id = PLATFORM_DEVID_NONE,
567 };
568 struct platform_device *led_dev;
569 int err;
570
571 err = software_node_register_node_group(node_group: spitz_gpio_leds_swnodes);
572 if (err) {
573 pr_err("failed to register LED software nodes: %d\n", err);
574 return;
575 }
576
577 led_info.fwnode = software_node_fwnode(node: &spitz_gpio_leds_node);
578
579 led_dev = platform_device_register_full(pdevinfo: &led_info);
580 err = PTR_ERR_OR_ZERO(ptr: led_dev);
581 if (err)
582 pr_err("failed to create LED device: %d\n", err);
583}
584#else
585static inline void spitz_leds_init(void) {}
586#endif
587
588/******************************************************************************
589 * SSP Devices
590 ******************************************************************************/
591#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
592
593static const struct property_entry spitz_ads7846_props[] = {
594 PROPERTY_ENTRY_STRING("compatible", "ti,ads7846"),
595 PROPERTY_ENTRY_U32("touchscreen-max-pressure", 1024),
596 PROPERTY_ENTRY_U16("ti,x-plate-ohms", 419),
597 PROPERTY_ENTRY_U16("ti,y-plate-ohms", 486),
598 PROPERTY_ENTRY_U16("ti,vref-delay-usecs", 100),
599 PROPERTY_ENTRY_GPIO("pendown-gpios", &pxa2xx_gpiochip_node,
600 SPITZ_GPIO_TP_INT, GPIO_ACTIVE_LOW),
601 PROPERTY_ENTRY_GPIO("ti,hsync-gpios", &pxa2xx_gpiochip_node,
602 SPITZ_GPIO_HSYNC, GPIO_ACTIVE_LOW),
603 { }
604};
605
606static const struct software_node spitz_ads7846_swnode = {
607 .name = "ads7846",
608 .properties = spitz_ads7846_props,
609};
610
611static const struct property_entry spitz_lcdcon_props[] = {
612 PROPERTY_ENTRY_GPIO("BL_CONT-gpios",
613 &spitz_scoop_2_gpiochip_node, 6, GPIO_ACTIVE_LOW),
614 PROPERTY_ENTRY_GPIO("BL_ON-gpios",
615 &spitz_scoop_2_gpiochip_node, 7, GPIO_ACTIVE_HIGH),
616 { }
617};
618
619static const struct property_entry akita_lcdcon_props[] = {
620 PROPERTY_ENTRY_GPIO("BL_ON-gpios",
621 &akita_max7310_gpiochip_node, 3, GPIO_ACTIVE_HIGH),
622 PROPERTY_ENTRY_GPIO("BL_CONT-gpios",
623 &akita_max7310_gpiochip_node, 4, GPIO_ACTIVE_LOW),
624 { }
625};
626
627static struct software_node spitz_lcdcon_node = {
628 .name = "spitz-lcdcon",
629};
630
631static struct corgi_lcd_platform_data spitz_lcdcon_info = {
632 .init_mode = CORGI_LCD_MODE_VGA,
633 .max_intensity = 0x2f,
634 .default_intensity = 0x1f,
635 .limit_mask = 0x0b,
636 .kick_battery = sharpsl_battery_kick,
637};
638
639static struct spi_board_info spitz_spi_devices[] = {
640 {
641 .modalias = "ads7846",
642 .max_speed_hz = 1200000,
643 .bus_num = 2,
644 .chip_select = 0,
645 .swnode = &spitz_ads7846_swnode,
646 .irq = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT),
647 }, {
648 .modalias = "corgi-lcd",
649 .max_speed_hz = 50000,
650 .bus_num = 2,
651 .chip_select = 1,
652 .platform_data = &spitz_lcdcon_info,
653 .swnode = &spitz_lcdcon_node,
654 }, {
655 .modalias = "max1111",
656 .max_speed_hz = 450000,
657 .bus_num = 2,
658 .chip_select = 2,
659 },
660};
661
662static const struct software_node_ref_args spitz_spi_gpio_refs[] = {
663 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_ADS7846_CS,
664 GPIO_ACTIVE_LOW),
665 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_LCDCON_CS,
666 GPIO_ACTIVE_LOW),
667 SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_MAX1111_CS,
668 GPIO_ACTIVE_LOW),
669};
670
671static const struct property_entry spitz_spi_properties[] = {
672 PROPERTY_ENTRY_REF_ARRAY("gpios", spitz_spi_gpio_refs),
673 { }
674};
675
676static const struct platform_device_info spitz_spi_device_info = {
677 .name = "pxa2xx-spi",
678 /* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1 */
679 .id = 2,
680 .properties = spitz_spi_properties,
681};
682
683static void __init spitz_spi_init(void)
684{
685 struct platform_device *pd;
686 int err;
687
688 pd = platform_device_register_full(pdevinfo: &spitz_spi_device_info);
689 err = PTR_ERR_OR_ZERO(ptr: pd);
690 if (err)
691 pr_err("pxa2xx-spi: failed to instantiate SPI controller: %d\n",
692 err);
693
694 spitz_lcdcon_node.properties = machine_is_akita() ?
695 akita_lcdcon_props : spitz_lcdcon_props;
696 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
697}
698#else
699static inline void spitz_spi_init(void) {}
700#endif
701
702/******************************************************************************
703 * SD/MMC card controller
704 ******************************************************************************/
705#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
706/*
707 * NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
708 * give the card a chance to fully insert/eject.
709 */
710static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
711{
712 struct pxamci_platform_data* p_d = dev->platform_data;
713
714 if ((1 << vdd) & p_d->ocr_mask)
715 spitz_card_pwr_ctrl(enable: SCOOP_CPR_SD_3V, new_cpr: SCOOP_CPR_SD_3V);
716 else
717 spitz_card_pwr_ctrl(enable: SCOOP_CPR_SD_3V, new_cpr: 0x0);
718
719 return 0;
720}
721
722static struct pxamci_platform_data spitz_mci_platform_data = {
723 .detect_delay_ms = 250,
724 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
725 .setpower = spitz_mci_setpower,
726};
727
728static const struct property_entry spitz_mci_props[] __initconst = {
729 PROPERTY_ENTRY_GPIO("cd-gpios", &pxa2xx_gpiochip_node,
730 SPITZ_GPIO_nSD_DETECT, GPIO_ACTIVE_LOW),
731 PROPERTY_ENTRY_GPIO("wp-gpios", &pxa2xx_gpiochip_node,
732 SPITZ_GPIO_nSD_WP, GPIO_ACTIVE_LOW),
733 { }
734};
735
736static void __init spitz_mmc_init(void)
737{
738 pxa_set_mci_info(info: &spitz_mci_platform_data, props: spitz_mci_props);
739}
740#else
741static inline void spitz_mmc_init(void) {}
742#endif
743
744/******************************************************************************
745 * USB Host
746 ******************************************************************************/
747#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
748static int spitz_ohci_init(struct device *dev)
749{
750 int err;
751
752 err = gpio_request(SPITZ_GPIO_USB_HOST, label: "USB_HOST");
753 if (err)
754 return err;
755
756 /* Only Port 2 is connected, setup USB Port 2 Output Control Register */
757 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
758
759 return gpio_direction_output(SPITZ_GPIO_USB_HOST, value: 1);
760}
761
762static void spitz_ohci_exit(struct device *dev)
763{
764 gpio_free(SPITZ_GPIO_USB_HOST);
765}
766
767static struct pxaohci_platform_data spitz_ohci_platform_data = {
768 .port_mode = PMM_NPS_MODE,
769 .init = spitz_ohci_init,
770 .exit = spitz_ohci_exit,
771 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
772 .power_budget = 150,
773};
774
775static void __init spitz_uhc_init(void)
776{
777 pxa_set_ohci_info(info: &spitz_ohci_platform_data);
778}
779#else
780static inline void spitz_uhc_init(void) {}
781#endif
782
783/******************************************************************************
784 * Framebuffer
785 ******************************************************************************/
786#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
787static struct pxafb_mode_info spitz_pxafb_modes[] = {
788 {
789 .pixclock = 19231,
790 .xres = 480,
791 .yres = 640,
792 .bpp = 16,
793 .hsync_len = 40,
794 .left_margin = 46,
795 .right_margin = 125,
796 .vsync_len = 3,
797 .upper_margin = 1,
798 .lower_margin = 0,
799 .sync = 0,
800 }, {
801 .pixclock = 134617,
802 .xres = 240,
803 .yres = 320,
804 .bpp = 16,
805 .hsync_len = 20,
806 .left_margin = 20,
807 .right_margin = 46,
808 .vsync_len = 2,
809 .upper_margin = 1,
810 .lower_margin = 0,
811 .sync = 0,
812 },
813};
814
815static struct pxafb_mach_info spitz_pxafb_info = {
816 .modes = spitz_pxafb_modes,
817 .num_modes = ARRAY_SIZE(spitz_pxafb_modes),
818 .fixed_modes = 1,
819 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
820};
821
822static void __init spitz_lcd_init(void)
823{
824 pxa_set_fb_info(NULL, &spitz_pxafb_info);
825}
826#else
827static inline void spitz_lcd_init(void) {}
828#endif
829
830/******************************************************************************
831 * NAND Flash
832 ******************************************************************************/
833#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
834static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
835
836static struct nand_bbt_descr spitz_nand_bbt = {
837 .options = 0,
838 .offs = 4,
839 .len = 2,
840 .pattern = scan_ff_pattern
841};
842
843static int akita_ooblayout_ecc(struct mtd_info *mtd, int section,
844 struct mtd_oob_region *oobregion)
845{
846 if (section > 12)
847 return -ERANGE;
848
849 switch (section % 3) {
850 case 0:
851 oobregion->offset = 5;
852 oobregion->length = 1;
853 break;
854
855 case 1:
856 oobregion->offset = 1;
857 oobregion->length = 3;
858 break;
859
860 case 2:
861 oobregion->offset = 6;
862 oobregion->length = 2;
863 break;
864 }
865
866 oobregion->offset += (section / 3) * 0x10;
867
868 return 0;
869}
870
871static int akita_ooblayout_free(struct mtd_info *mtd, int section,
872 struct mtd_oob_region *oobregion)
873{
874 if (section)
875 return -ERANGE;
876
877 oobregion->offset = 8;
878 oobregion->length = 9;
879
880 return 0;
881}
882
883static const struct mtd_ooblayout_ops akita_ooblayout_ops = {
884 .ecc = akita_ooblayout_ecc,
885 .free = akita_ooblayout_free,
886};
887
888static const char * const probes[] = {
889 "cmdlinepart",
890 "ofpart",
891 "sharpslpart",
892 NULL,
893};
894
895static struct sharpsl_nand_platform_data spitz_nand_pdata = {
896 .badblock_pattern = &spitz_nand_bbt,
897 .part_parsers = probes,
898};
899
900static struct resource spitz_nand_resources[] = {
901 {
902 .start = PXA_CS3_PHYS,
903 .end = PXA_CS3_PHYS + SZ_4K - 1,
904 .flags = IORESOURCE_MEM,
905 },
906};
907
908static struct platform_device spitz_nand_device = {
909 .name = "sharpsl-nand",
910 .id = -1,
911 .resource = spitz_nand_resources,
912 .num_resources = ARRAY_SIZE(spitz_nand_resources),
913 .dev = {
914 .platform_data = &spitz_nand_pdata,
915 }
916};
917
918static void __init spitz_nand_init(void)
919{
920 if (machine_is_akita() || machine_is_borzoi()) {
921 spitz_nand_bbt.len = 1;
922 spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops;
923 }
924
925 platform_device_register(&spitz_nand_device);
926}
927#else
928static inline void spitz_nand_init(void) {}
929#endif
930
931/******************************************************************************
932 * NOR Flash
933 ******************************************************************************/
934#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
935static struct mtd_partition spitz_rom_parts[] = {
936 {
937 .name ="Boot PROM Filesystem",
938 .offset = 0x00140000,
939 .size = MTDPART_SIZ_FULL,
940 },
941};
942
943static struct physmap_flash_data spitz_rom_data = {
944 .width = 2,
945 .nr_parts = ARRAY_SIZE(spitz_rom_parts),
946 .parts = spitz_rom_parts,
947};
948
949static struct resource spitz_rom_resources[] = {
950 {
951 .start = PXA_CS0_PHYS,
952 .end = PXA_CS0_PHYS + SZ_8M - 1,
953 .flags = IORESOURCE_MEM,
954 },
955};
956
957static struct platform_device spitz_rom_device = {
958 .name = "physmap-flash",
959 .id = -1,
960 .resource = spitz_rom_resources,
961 .num_resources = ARRAY_SIZE(spitz_rom_resources),
962 .dev = {
963 .platform_data = &spitz_rom_data,
964 },
965};
966
967static void __init spitz_nor_init(void)
968{
969 platform_device_register(&spitz_rom_device);
970}
971#else
972static inline void spitz_nor_init(void) {}
973#endif
974
975/******************************************************************************
976 * I2C devices
977 ******************************************************************************/
978#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
979static struct pca953x_platform_data akita_pca953x_pdata = {
980 .gpio_base = AKITA_IOEXP_GPIO_BASE,
981};
982
983static struct i2c_board_info spitz_i2c_devs[] = {
984 {
985 .type = "wm8750",
986 .addr = 0x1b,
987 }, {
988 .type = "max7310",
989 .addr = 0x18,
990 .platform_data = &akita_pca953x_pdata,
991 },
992};
993
994static struct regulator_consumer_supply isl6271a_consumers[] = {
995 REGULATOR_SUPPLY("vcc_core", NULL),
996};
997
998static struct regulator_init_data isl6271a_info[] = {
999 {
1000 .constraints = {
1001 .name = "vcc_core range",
1002 .min_uV = 850000,
1003 .max_uV = 1600000,
1004 .always_on = 1,
1005 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
1006 },
1007 .consumer_supplies = isl6271a_consumers,
1008 .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers),
1009 }
1010};
1011
1012static struct i2c_board_info spitz_pi2c_devs[] = {
1013 {
1014 .type = "isl6271a",
1015 .addr = 0x0c,
1016 .platform_data = &isl6271a_info,
1017 },
1018};
1019
1020static void __init spitz_i2c_init(void)
1021{
1022 int size = ARRAY_SIZE(spitz_i2c_devs);
1023
1024 /* Only Akita has the max7310 chip */
1025 if (!machine_is_akita())
1026 size--;
1027
1028 pxa_set_i2c_info(NULL);
1029 pxa27x_set_i2c_power_info(NULL);
1030 i2c_register_board_info(busnum: 0, info: spitz_i2c_devs, n: size);
1031 i2c_register_board_info(busnum: 1, ARRAY_AND_SIZE(spitz_pi2c_devs));
1032}
1033#else
1034static inline void spitz_i2c_init(void) {}
1035#endif
1036
1037static const struct property_entry spitz_audio_props[] = {
1038 PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3,
1039 GPIO_ACTIVE_HIGH),
1040 PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4,
1041 GPIO_ACTIVE_HIGH),
1042 PROPERTY_ENTRY_GPIO("mic-gpios", &spitz_scoop_2_gpiochip_node, 8,
1043 GPIO_ACTIVE_HIGH),
1044 { }
1045};
1046
1047static const struct property_entry akita_audio_props[] = {
1048 PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3,
1049 GPIO_ACTIVE_HIGH),
1050 PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4,
1051 GPIO_ACTIVE_HIGH),
1052 PROPERTY_ENTRY_GPIO("mic-gpios", &akita_max7310_gpiochip_node, 2,
1053 GPIO_ACTIVE_HIGH),
1054 { }
1055};
1056
1057/******************************************************************************
1058 * Audio devices
1059 ******************************************************************************/
1060static inline void spitz_audio_init(void)
1061{
1062 struct platform_device_info audio_info = {
1063 .name = "spitz-audio",
1064 .id = PLATFORM_DEVID_NONE,
1065 .properties = machine_is_akita() ?
1066 akita_audio_props : spitz_audio_props,
1067 };
1068
1069 platform_device_register_full(pdevinfo: &audio_info);
1070}
1071
1072/******************************************************************************
1073 * Machine init
1074 ******************************************************************************/
1075static void spitz_poweroff(void)
1076{
1077 pxa_restart(REBOOT_GPIO, NULL);
1078}
1079
1080static void spitz_restart(enum reboot_mode mode, const char *cmd)
1081{
1082 uint32_t msc0 = __raw_readl(MSC0);
1083 /* Bootloader magic for a reboot */
1084 if ((msc0 & 0xffff0000) == 0x7ff00000)
1085 __raw_writel(val: (msc0 & 0xffff) | 0x7ee00000, MSC0);
1086
1087 spitz_poweroff();
1088}
1089
1090static void __init spitz_init(void)
1091{
1092 software_node_register(node: &spitz_scoop_1_gpiochip_node);
1093 if (machine_is_akita())
1094 software_node_register(node: &akita_max7310_gpiochip_node);
1095 else
1096 software_node_register(node: &spitz_scoop_2_gpiochip_node);
1097
1098 init_gpio_reset(SPITZ_GPIO_ON_RESET, output: 1, level: 0);
1099 register_platform_power_off(power_off: spitz_poweroff);
1100
1101 PMCR = 0x00;
1102
1103 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
1104 PCFR |= PCFR_OPDE;
1105
1106 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
1107
1108 pxa_set_ffuart_info(NULL);
1109 pxa_set_btuart_info(NULL);
1110 pxa_set_stuart_info(NULL);
1111
1112 spitz_spi_init();
1113 spitz_scoop_init();
1114 spitz_mkp_init();
1115 spitz_keys_init();
1116 spitz_leds_init();
1117 spitz_mmc_init();
1118 spitz_pcmcia_init();
1119 spitz_uhc_init();
1120 spitz_lcd_init();
1121 spitz_nor_init();
1122 spitz_nand_init();
1123 spitz_i2c_init();
1124 spitz_audio_init();
1125
1126 regulator_has_full_constraints();
1127}
1128
1129static void __init spitz_fixup(struct tag *tags, char **cmdline)
1130{
1131 sharpsl_save_param();
1132 memblock_add(base: 0xa0000000, SZ_64M);
1133}
1134
1135#ifdef CONFIG_MACH_SPITZ
1136MACHINE_START(SPITZ, "SHARP Spitz")
1137 .fixup = spitz_fixup,
1138 .map_io = pxa27x_map_io,
1139 .nr_irqs = PXA_NR_IRQS,
1140 .init_irq = pxa27x_init_irq,
1141 .init_machine = spitz_init,
1142 .init_time = pxa_timer_init,
1143 .restart = spitz_restart,
1144MACHINE_END
1145#endif
1146
1147#ifdef CONFIG_MACH_BORZOI
1148MACHINE_START(BORZOI, "SHARP Borzoi")
1149 .fixup = spitz_fixup,
1150 .map_io = pxa27x_map_io,
1151 .nr_irqs = PXA_NR_IRQS,
1152 .init_irq = pxa27x_init_irq,
1153 .init_machine = spitz_init,
1154 .init_time = pxa_timer_init,
1155 .restart = spitz_restart,
1156MACHINE_END
1157#endif
1158
1159#ifdef CONFIG_MACH_AKITA
1160MACHINE_START(AKITA, "SHARP Akita")
1161 .fixup = spitz_fixup,
1162 .map_io = pxa27x_map_io,
1163 .nr_irqs = PXA_NR_IRQS,
1164 .init_irq = pxa27x_init_irq,
1165 .init_machine = spitz_init,
1166 .init_time = pxa_timer_init,
1167 .restart = spitz_restart,
1168MACHINE_END
1169#endif
1170

source code of linux/arch/arm/mach-pxa/spitz.c