[ARM] pxa: factor pxamci gpio handling
[linux-2.6.git] / arch / arm / mach-pxa / zylonite.c
1 /*
2  * linux/arch/arm/mach-pxa/zylonite.c
3  *
4  * Support for the PXA3xx Development Platform (aka Zylonite)
5  *
6  * Copyright (C) 2006 Marvell International Ltd.
7  *
8  * 2007-09-04: eric miao <eric.miao@marvell.com>
9  *             rewrite to align with latest kernel
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License version 2 as
13  * published by the Free Software Foundation.
14  */
15
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/interrupt.h>
19 #include <linux/init.h>
20 #include <linux/platform_device.h>
21 #include <linux/gpio.h>
22 #include <linux/pwm_backlight.h>
23 #include <linux/smc91x.h>
24
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
27 #include <mach/hardware.h>
28 #include <mach/audio.h>
29 #include <mach/pxafb.h>
30 #include <mach/zylonite.h>
31 #include <mach/mmc.h>
32 #include <mach/ohci.h>
33 #include <mach/pxa27x_keypad.h>
34 #include <mach/pxa3xx_nand.h>
35
36 #include "devices.h"
37 #include "generic.h"
38
39 #define MAX_SLOTS       3
40 struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
41
42 int gpio_eth_irq;
43 int gpio_debug_led1;
44 int gpio_debug_led2;
45
46 int wm9713_irq;
47
48 int lcd_id;
49 int lcd_orientation;
50
51 static struct resource smc91x_resources[] = {
52         [0] = {
53                 .start  = ZYLONITE_ETH_PHYS + 0x300,
54                 .end    = ZYLONITE_ETH_PHYS + 0xfffff,
55                 .flags  = IORESOURCE_MEM,
56         },
57         [1] = {
58                 .start  = -1,   /* for run-time assignment */
59                 .end    = -1,
60                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
61         }
62 };
63
64 static struct smc91x_platdata zylonite_smc91x_info = {
65         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
66                   SMC91X_NOWAIT | SMC91X_USE_DMA,
67 };
68
69 static struct platform_device smc91x_device = {
70         .name           = "smc91x",
71         .id             = 0,
72         .num_resources  = ARRAY_SIZE(smc91x_resources),
73         .resource       = smc91x_resources,
74         .dev            = {
75                 .platform_data = &zylonite_smc91x_info,
76         },
77 };
78
79 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
80 static struct gpio_led zylonite_debug_leds[] = {
81         [0] = {
82                 .name                   = "zylonite:yellow:1",
83                 .default_trigger        = "heartbeat",
84         },
85         [1] = {
86                 .name                   = "zylonite:yellow:2",
87                 .default_trigger        = "default-on",
88         },
89 };
90
91 static struct gpio_led_platform_data zylonite_debug_leds_info = {
92         .leds           = zylonite_debug_leds,
93         .num_leds       = ARRAY_SIZE(zylonite_debug_leds),
94 };
95
96 static struct platform_device zylonite_device_leds = {
97         .name           = "leds-gpio",
98         .id             = -1,
99         .dev            = {
100                 .platform_data = &zylonite_debug_leds_info,
101         }
102 };
103
104 static void __init zylonite_init_leds(void)
105 {
106         zylonite_debug_leds[0].gpio = gpio_debug_led1;
107         zylonite_debug_leds[1].gpio = gpio_debug_led2;
108
109         platform_device_register(&zylonite_device_leds);
110 }
111 #else
112 static inline void zylonite_init_leds(void) {}
113 #endif
114
115 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
116 static struct platform_pwm_backlight_data zylonite_backlight_data = {
117         .pwm_id         = 3,
118         .max_brightness = 100,
119         .dft_brightness = 100,
120         .pwm_period_ns  = 10000,
121 };
122
123 static struct platform_device zylonite_backlight_device = {
124         .name           = "pwm-backlight",
125         .dev            = {
126                 .parent = &pxa27x_device_pwm1.dev,
127                 .platform_data  = &zylonite_backlight_data,
128         },
129 };
130
131 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
132         .pixclock               = 110000,
133         .xres                   = 240,
134         .yres                   = 320,
135         .bpp                    = 16,
136         .hsync_len              = 4,
137         .left_margin            = 6,
138         .right_margin           = 4,
139         .vsync_len              = 2,
140         .upper_margin           = 2,
141         .lower_margin           = 3,
142         .sync                   = FB_SYNC_VERT_HIGH_ACT,
143 };
144
145 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
146         .pixclock               = 50000,
147         .xres                   = 640,
148         .yres                   = 480,
149         .bpp                    = 16,
150         .hsync_len              = 1,
151         .left_margin            = 0x9f,
152         .right_margin           = 1,
153         .vsync_len              = 44,
154         .upper_margin           = 0,
155         .lower_margin           = 0,
156         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
157 };
158
159 static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
160         .num_modes              = 1,
161         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
162 };
163
164 static struct pxafb_mode_info sharp_ls037_modes[] = {
165         [0] = {
166                 .pixclock       = 158000,
167                 .xres           = 240,
168                 .yres           = 320,
169                 .bpp            = 16,
170                 .hsync_len      = 4,
171                 .left_margin    = 39,
172                 .right_margin   = 39,
173                 .vsync_len      = 1,
174                 .upper_margin   = 2,
175                 .lower_margin   = 3,
176                 .sync           = 0,
177         },
178         [1] = {
179                 .pixclock       = 39700,
180                 .xres           = 480,
181                 .yres           = 640,
182                 .bpp            = 16,
183                 .hsync_len      = 8,
184                 .left_margin    = 81,
185                 .right_margin   = 81,
186                 .vsync_len      = 1,
187                 .upper_margin   = 2,
188                 .lower_margin   = 7,
189                 .sync           = 0,
190         },
191 };
192
193 static struct pxafb_mach_info zylonite_sharp_lcd_info = {
194         .modes                  = sharp_ls037_modes,
195         .num_modes              = 2,
196         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
197 };
198
199 static void __init zylonite_init_lcd(void)
200 {
201         platform_device_register(&zylonite_backlight_device);
202
203         if (lcd_id & 0x20) {
204                 set_pxa_fb_info(&zylonite_sharp_lcd_info);
205                 return;
206         }
207
208         /* legacy LCD panels, it would be handy here if LCD panel type can
209          * be decided at run-time
210          */
211         if (1)
212                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
213         else
214                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
215
216         set_pxa_fb_info(&zylonite_toshiba_lcd_info);
217 }
218 #else
219 static inline void zylonite_init_lcd(void) {}
220 #endif
221
222 #if defined(CONFIG_MMC)
223 static int zylonite_mci_ro(struct device *dev)
224 {
225         struct platform_device *pdev = to_platform_device(dev);
226
227         return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
228 }
229
230 static int zylonite_mci_init(struct device *dev,
231                              irq_handler_t zylonite_detect_int,
232                              void *data)
233 {
234         struct platform_device *pdev = to_platform_device(dev);
235         int err, cd_irq, gpio_cd, gpio_wp;
236
237         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
238         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
239         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
240
241         /*
242          * setup GPIO for Zylonite MMC controller
243          */
244         err = gpio_request(gpio_cd, "mmc card detect");
245         if (err)
246                 goto err_request_cd;
247         gpio_direction_input(gpio_cd);
248
249         err = gpio_request(gpio_wp, "mmc write protect");
250         if (err)
251                 goto err_request_wp;
252         gpio_direction_input(gpio_wp);
253
254         err = request_irq(cd_irq, zylonite_detect_int,
255                           IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
256                           "MMC card detect", data);
257         if (err) {
258                 printk(KERN_ERR "%s: MMC/SD/SDIO: "
259                                 "can't request card detect IRQ\n", __func__);
260                 goto err_request_irq;
261         }
262
263         return 0;
264
265 err_request_irq:
266         gpio_free(gpio_wp);
267 err_request_wp:
268         gpio_free(gpio_cd);
269 err_request_cd:
270         return err;
271 }
272
273 static void zylonite_mci_exit(struct device *dev, void *data)
274 {
275         struct platform_device *pdev = to_platform_device(dev);
276         int cd_irq, gpio_cd, gpio_wp;
277
278         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
279         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
280         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
281
282         free_irq(cd_irq, data);
283         gpio_free(gpio_cd);
284         gpio_free(gpio_wp);
285 }
286
287 static struct pxamci_platform_data zylonite_mci_platform_data = {
288         .detect_delay   = 20,
289         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
290         .init           = zylonite_mci_init,
291         .exit           = zylonite_mci_exit,
292         .get_ro         = zylonite_mci_ro,
293         .gpio_card_detect = -1,
294         .gpio_card_ro   = -1,
295         .gpio_power     = -1,
296 };
297
298 static struct pxamci_platform_data zylonite_mci2_platform_data = {
299         .detect_delay   = 20,
300         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
301 };
302
303 static void __init zylonite_init_mmc(void)
304 {
305         pxa_set_mci_info(&zylonite_mci_platform_data);
306         pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
307         if (cpu_is_pxa310())
308                 pxa3xx_set_mci3_info(&zylonite_mci_platform_data);
309 }
310 #else
311 static inline void zylonite_init_mmc(void) {}
312 #endif
313
314 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
315 static unsigned int zylonite_matrix_key_map[] = {
316         /* KEY(row, col, key_code) */
317         KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
318         KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
319         KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
320         KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
321         KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
322         KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
323         KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
324
325         KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
326         KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
327         KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
328
329         KEY(4, 5, KEY_SPACE),
330         KEY(5, 3, KEY_KPASTERISK),      /* * */
331         KEY(5, 4, KEY_KPDOT),           /* #" */
332
333         KEY(0, 7, KEY_UP),
334         KEY(1, 7, KEY_DOWN),
335         KEY(2, 7, KEY_LEFT),
336         KEY(3, 7, KEY_RIGHT),
337         KEY(2, 6, KEY_HOME),
338         KEY(3, 6, KEY_END),
339         KEY(6, 4, KEY_DELETE),
340         KEY(6, 6, KEY_BACK),
341         KEY(6, 3, KEY_CAPSLOCK),        /* KEY_LEFTSHIFT), */
342
343         KEY(4, 6, KEY_ENTER),           /* scroll push */
344         KEY(5, 7, KEY_ENTER),           /* keypad action */
345
346         KEY(0, 4, KEY_EMAIL),
347         KEY(5, 6, KEY_SEND),
348         KEY(4, 0, KEY_CALENDAR),
349         KEY(7, 6, KEY_RECORD),
350         KEY(6, 7, KEY_VOLUMEUP),
351         KEY(7, 7, KEY_VOLUMEDOWN),
352
353         KEY(0, 6, KEY_F22),     /* soft1 */
354         KEY(1, 6, KEY_F23),     /* soft2 */
355         KEY(0, 3, KEY_AUX),     /* contact */
356 };
357
358 static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
359         .matrix_key_rows        = 8,
360         .matrix_key_cols        = 8,
361         .matrix_key_map         = zylonite_matrix_key_map,
362         .matrix_key_map_size    = ARRAY_SIZE(zylonite_matrix_key_map),
363
364         .enable_rotary0         = 1,
365         .rotary0_up_key         = KEY_UP,
366         .rotary0_down_key       = KEY_DOWN,
367
368         .debounce_interval      = 30,
369 };
370
371 static void __init zylonite_init_keypad(void)
372 {
373         pxa_set_keypad_info(&zylonite_keypad_info);
374 }
375 #else
376 static inline void zylonite_init_keypad(void) {}
377 #endif
378
379 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
380 static struct mtd_partition zylonite_nand_partitions[] = {
381         [0] = {
382                 .name        = "Bootloader",
383                 .offset      = 0,
384                 .size        = 0x060000,
385                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
386         },
387         [1] = {
388                 .name        = "Kernel",
389                 .offset      = 0x060000,
390                 .size        = 0x200000,
391                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
392         },
393         [2] = {
394                 .name        = "Filesystem",
395                 .offset      = 0x0260000,
396                 .size        = 0x3000000,     /* 48M - rootfs */
397         },
398         [3] = {
399                 .name        = "MassStorage",
400                 .offset      = 0x3260000,
401                 .size        = 0x3d40000,
402         },
403         [4] = {
404                 .name        = "BBT",
405                 .offset      = 0x6FA0000,
406                 .size        = 0x80000,
407                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
408         },
409         /* NOTE: we reserve some blocks at the end of the NAND flash for
410          * bad block management, and the max number of relocation blocks
411          * differs on different platforms. Please take care with it when
412          * defining the partition table.
413          */
414 };
415
416 static struct pxa3xx_nand_platform_data zylonite_nand_info = {
417         .enable_arbiter = 1,
418         .parts          = zylonite_nand_partitions,
419         .nr_parts       = ARRAY_SIZE(zylonite_nand_partitions),
420 };
421
422 static void __init zylonite_init_nand(void)
423 {
424         pxa3xx_set_nand_info(&zylonite_nand_info);
425 }
426 #else
427 static inline void zylonite_init_nand(void) {}
428 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
429
430 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
431 static struct pxaohci_platform_data zylonite_ohci_info = {
432         .port_mode      = PMM_PERPORT_MODE,
433         .flags          = ENABLE_PORT1 | ENABLE_PORT2 |
434                           POWER_CONTROL_LOW | POWER_SENSE_LOW,
435 };
436
437 static void __init zylonite_init_ohci(void)
438 {
439         pxa_set_ohci_info(&zylonite_ohci_info);
440 }
441 #else
442 static inline void zylonite_init_ohci(void) {}
443 #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
444
445 static void __init zylonite_init(void)
446 {
447         /* board-processor specific initialization */
448         zylonite_pxa300_init();
449         zylonite_pxa320_init();
450
451         /*
452          * Note: We depend that the bootloader set
453          * the correct value to MSC register for SMC91x.
454          */
455         smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
456         smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
457         platform_device_register(&smc91x_device);
458
459         pxa_set_ac97_info(NULL);
460         zylonite_init_lcd();
461         zylonite_init_mmc();
462         zylonite_init_keypad();
463         zylonite_init_nand();
464         zylonite_init_leds();
465         zylonite_init_ohci();
466 }
467
468 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
469         .phys_io        = 0x40000000,
470         .boot_params    = 0xa0000100,
471         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
472         .map_io         = pxa_map_io,
473         .init_irq       = pxa3xx_init_irq,
474         .timer          = &pxa_timer,
475         .init_machine   = zylonite_init,
476 MACHINE_END