Merge branch 'linus' into cpus4096
[pandora-kernel.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/pwm_backlight.h>
22
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <asm/hardware.h>
26 #include <asm/arch/audio.h>
27 #include <asm/arch/gpio.h>
28 #include <asm/arch/pxafb.h>
29 #include <asm/arch/zylonite.h>
30 #include <asm/arch/mmc.h>
31 #include <asm/arch/pxa27x_keypad.h>
32
33 #include "devices.h"
34 #include "generic.h"
35
36 #define MAX_SLOTS       3
37 struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
38
39 int gpio_eth_irq;
40
41 int wm9713_irq;
42
43 int lcd_id;
44 int lcd_orientation;
45
46 static struct resource smc91x_resources[] = {
47         [0] = {
48                 .start  = ZYLONITE_ETH_PHYS + 0x300,
49                 .end    = ZYLONITE_ETH_PHYS + 0xfffff,
50                 .flags  = IORESOURCE_MEM,
51         },
52         [1] = {
53                 .start  = -1,   /* for run-time assignment */
54                 .end    = -1,
55                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
56         }
57 };
58
59 static struct platform_device smc91x_device = {
60         .name           = "smc91x",
61         .id             = 0,
62         .num_resources  = ARRAY_SIZE(smc91x_resources),
63         .resource       = smc91x_resources,
64 };
65
66 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
67 static struct platform_pwm_backlight_data zylonite_backlight_data = {
68         .pwm_id         = 3,
69         .max_brightness = 100,
70         .dft_brightness = 100,
71         .pwm_period_ns  = 10000,
72 };
73
74 static struct platform_device zylonite_backlight_device = {
75         .name           = "pwm-backlight",
76         .dev            = {
77                 .parent = &pxa27x_device_pwm1.dev,
78                 .platform_data  = &zylonite_backlight_data,
79         },
80 };
81
82 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
83         .pixclock               = 110000,
84         .xres                   = 240,
85         .yres                   = 320,
86         .bpp                    = 16,
87         .hsync_len              = 4,
88         .left_margin            = 6,
89         .right_margin           = 4,
90         .vsync_len              = 2,
91         .upper_margin           = 2,
92         .lower_margin           = 3,
93         .sync                   = FB_SYNC_VERT_HIGH_ACT,
94 };
95
96 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
97         .pixclock               = 50000,
98         .xres                   = 640,
99         .yres                   = 480,
100         .bpp                    = 16,
101         .hsync_len              = 1,
102         .left_margin            = 0x9f,
103         .right_margin           = 1,
104         .vsync_len              = 44,
105         .upper_margin           = 0,
106         .lower_margin           = 0,
107         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
108 };
109
110 static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
111         .num_modes              = 1,
112         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
113 };
114
115 static struct pxafb_mode_info sharp_ls037_modes[] = {
116         [0] = {
117                 .pixclock       = 158000,
118                 .xres           = 240,
119                 .yres           = 320,
120                 .bpp            = 16,
121                 .hsync_len      = 4,
122                 .left_margin    = 39,
123                 .right_margin   = 39,
124                 .vsync_len      = 1,
125                 .upper_margin   = 2,
126                 .lower_margin   = 3,
127                 .sync           = 0,
128         },
129         [1] = {
130                 .pixclock       = 39700,
131                 .xres           = 480,
132                 .yres           = 640,
133                 .bpp            = 16,
134                 .hsync_len      = 8,
135                 .left_margin    = 81,
136                 .right_margin   = 81,
137                 .vsync_len      = 1,
138                 .upper_margin   = 2,
139                 .lower_margin   = 7,
140                 .sync           = 0,
141         },
142 };
143
144 static struct pxafb_mach_info zylonite_sharp_lcd_info = {
145         .modes                  = sharp_ls037_modes,
146         .num_modes              = 2,
147         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
148 };
149
150 static void __init zylonite_init_lcd(void)
151 {
152         platform_device_register(&zylonite_backlight_device);
153
154         if (lcd_id & 0x20) {
155                 set_pxa_fb_info(&zylonite_sharp_lcd_info);
156                 return;
157         }
158
159         /* legacy LCD panels, it would be handy here if LCD panel type can
160          * be decided at run-time
161          */
162         if (1)
163                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
164         else
165                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
166
167         set_pxa_fb_info(&zylonite_toshiba_lcd_info);
168 }
169 #else
170 static inline void zylonite_init_lcd(void) {}
171 #endif
172
173 #if defined(CONFIG_MMC)
174 static int zylonite_mci_ro(struct device *dev)
175 {
176         struct platform_device *pdev = to_platform_device(dev);
177
178         return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
179 }
180
181 static int zylonite_mci_init(struct device *dev,
182                              irq_handler_t zylonite_detect_int,
183                              void *data)
184 {
185         struct platform_device *pdev = to_platform_device(dev);
186         int err, cd_irq, gpio_cd, gpio_wp;
187
188         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
189         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
190         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
191
192         /*
193          * setup GPIO for Zylonite MMC controller
194          */
195         err = gpio_request(gpio_cd, "mmc card detect");
196         if (err)
197                 goto err_request_cd;
198         gpio_direction_input(gpio_cd);
199
200         err = gpio_request(gpio_wp, "mmc write protect");
201         if (err)
202                 goto err_request_wp;
203         gpio_direction_input(gpio_wp);
204
205         err = request_irq(cd_irq, zylonite_detect_int,
206                           IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
207                           "MMC card detect", data);
208         if (err) {
209                 printk(KERN_ERR "%s: MMC/SD/SDIO: "
210                                 "can't request card detect IRQ\n", __func__);
211                 goto err_request_irq;
212         }
213
214         return 0;
215
216 err_request_irq:
217         gpio_free(gpio_wp);
218 err_request_wp:
219         gpio_free(gpio_cd);
220 err_request_cd:
221         return err;
222 }
223
224 static void zylonite_mci_exit(struct device *dev, void *data)
225 {
226         struct platform_device *pdev = to_platform_device(dev);
227         int cd_irq, gpio_cd, gpio_wp;
228
229         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
230         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
231         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
232
233         free_irq(cd_irq, data);
234         gpio_free(gpio_cd);
235         gpio_free(gpio_wp);
236 }
237
238 static struct pxamci_platform_data zylonite_mci_platform_data = {
239         .detect_delay   = 20,
240         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
241         .init           = zylonite_mci_init,
242         .exit           = zylonite_mci_exit,
243         .get_ro         = zylonite_mci_ro,
244 };
245
246 static struct pxamci_platform_data zylonite_mci2_platform_data = {
247         .detect_delay   = 20,
248         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
249 };
250
251 static void __init zylonite_init_mmc(void)
252 {
253         pxa_set_mci_info(&zylonite_mci_platform_data);
254         pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
255         if (cpu_is_pxa310())
256                 pxa3xx_set_mci3_info(&zylonite_mci_platform_data);
257 }
258 #else
259 static inline void zylonite_init_mmc(void) {}
260 #endif
261
262 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULES)
263 static unsigned int zylonite_matrix_key_map[] = {
264         /* KEY(row, col, key_code) */
265         KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
266         KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
267         KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
268         KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
269         KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
270         KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
271         KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
272
273         KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
274         KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
275         KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
276
277         KEY(4, 5, KEY_SPACE),
278         KEY(5, 3, KEY_KPASTERISK),      /* * */
279         KEY(5, 4, KEY_KPDOT),           /* #" */
280
281         KEY(0, 7, KEY_UP),
282         KEY(1, 7, KEY_DOWN),
283         KEY(2, 7, KEY_LEFT),
284         KEY(3, 7, KEY_RIGHT),
285         KEY(2, 6, KEY_HOME),
286         KEY(3, 6, KEY_END),
287         KEY(6, 4, KEY_DELETE),
288         KEY(6, 6, KEY_BACK),
289         KEY(6, 3, KEY_CAPSLOCK),        /* KEY_LEFTSHIFT), */
290
291         KEY(4, 6, KEY_ENTER),           /* scroll push */
292         KEY(5, 7, KEY_ENTER),           /* keypad action */
293
294         KEY(0, 4, KEY_EMAIL),
295         KEY(5, 6, KEY_SEND),
296         KEY(4, 0, KEY_CALENDAR),
297         KEY(7, 6, KEY_RECORD),
298         KEY(6, 7, KEY_VOLUMEUP),
299         KEY(7, 7, KEY_VOLUMEDOWN),
300
301         KEY(0, 6, KEY_F22),     /* soft1 */
302         KEY(1, 6, KEY_F23),     /* soft2 */
303         KEY(0, 3, KEY_AUX),     /* contact */
304 };
305
306 static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
307         .matrix_key_rows        = 8,
308         .matrix_key_cols        = 8,
309         .matrix_key_map         = zylonite_matrix_key_map,
310         .matrix_key_map_size    = ARRAY_SIZE(zylonite_matrix_key_map),
311
312         .enable_rotary0         = 1,
313         .rotary0_up_key         = KEY_UP,
314         .rotary0_down_key       = KEY_DOWN,
315
316         .debounce_interval      = 30,
317 };
318
319 static void __init zylonite_init_keypad(void)
320 {
321         pxa_set_keypad_info(&zylonite_keypad_info);
322 }
323 #else
324 static inline void zylonite_init_keypad(void) {}
325 #endif
326
327 static void __init zylonite_init(void)
328 {
329         /* board-processor specific initialization */
330         zylonite_pxa300_init();
331         zylonite_pxa320_init();
332
333         /*
334          * Note: We depend that the bootloader set
335          * the correct value to MSC register for SMC91x.
336          */
337         smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
338         smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
339         platform_device_register(&smc91x_device);
340
341         pxa_set_ac97_info(NULL);
342         zylonite_init_lcd();
343         zylonite_init_mmc();
344         zylonite_init_keypad();
345 }
346
347 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
348         .phys_io        = 0x40000000,
349         .boot_params    = 0xa0000100,
350         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
351         .map_io         = pxa_map_io,
352         .init_irq       = pxa3xx_init_irq,
353         .timer          = &pxa_timer,
354         .init_machine   = zylonite_init,
355 MACHINE_END