Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
[linux-2.6] / arch / arm / mach-pxa / littleton.c
1 /*
2  *  linux/arch/arm/mach-pxa/littleton.c
3  *
4  *  Support for the Marvell Littleton Development Platform.
5  *
6  *  Author:     Jason Chagas (largely modified code)
7  *  Created:    Nov 20, 2006
8  *  Copyright:  (C) Copyright 2006 Marvell International Ltd.
9  *
10  *  2007-11-22  modified to align with latest kernel
11  *              eric miao <eric.miao@marvell.com>
12  *
13  *  This program is free software; you can redistribute it and/or modify
14  *  it under the terms of the GNU General Public License version 2 as
15  *  publishhed by the Free Software Foundation.
16  */
17
18 #include <linux/init.h>
19 #include <linux/interrupt.h>
20 #include <linux/delay.h>
21 #include <linux/platform_device.h>
22 #include <linux/clk.h>
23 #include <linux/gpio.h>
24 #include <linux/spi/spi.h>
25 #include <linux/smc91x.h>
26 #include <linux/i2c.h>
27 #include <linux/leds.h>
28 #include <linux/mfd/da903x.h>
29 #include <linux/i2c/max732x.h>
30
31 #include <asm/types.h>
32 #include <asm/setup.h>
33 #include <asm/memory.h>
34 #include <asm/mach-types.h>
35 #include <mach/hardware.h>
36 #include <asm/irq.h>
37
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
41
42 #include <mach/pxa-regs.h>
43 #include <mach/mfp-pxa300.h>
44 #include <mach/pxafb.h>
45 #include <mach/ssp.h>
46 #include <mach/pxa2xx_spi.h>
47 #include <mach/i2c.h>
48 #include <mach/pxa27x_keypad.h>
49 #include <mach/pxa3xx_nand.h>
50 #include <mach/littleton.h>
51
52 #include "generic.h"
53
54 /* Littleton MFP configurations */
55 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
56         /* LCD */
57         GPIO54_LCD_LDD_0,
58         GPIO55_LCD_LDD_1,
59         GPIO56_LCD_LDD_2,
60         GPIO57_LCD_LDD_3,
61         GPIO58_LCD_LDD_4,
62         GPIO59_LCD_LDD_5,
63         GPIO60_LCD_LDD_6,
64         GPIO61_LCD_LDD_7,
65         GPIO62_LCD_LDD_8,
66         GPIO63_LCD_LDD_9,
67         GPIO64_LCD_LDD_10,
68         GPIO65_LCD_LDD_11,
69         GPIO66_LCD_LDD_12,
70         GPIO67_LCD_LDD_13,
71         GPIO68_LCD_LDD_14,
72         GPIO69_LCD_LDD_15,
73         GPIO70_LCD_LDD_16,
74         GPIO71_LCD_LDD_17,
75         GPIO72_LCD_FCLK,
76         GPIO73_LCD_LCLK,
77         GPIO74_LCD_PCLK,
78         GPIO75_LCD_BIAS,
79
80         /* SSP2 */
81         GPIO25_SSP2_SCLK,
82         GPIO27_SSP2_TXD,
83         GPIO17_GPIO,    /* SFRM as chip-select */
84
85         /* Debug Ethernet */
86         GPIO90_GPIO,
87
88         /* Keypad */
89         GPIO107_KP_DKIN_0,
90         GPIO108_KP_DKIN_1,
91         GPIO115_KP_MKIN_0,
92         GPIO116_KP_MKIN_1,
93         GPIO117_KP_MKIN_2,
94         GPIO118_KP_MKIN_3,
95         GPIO119_KP_MKIN_4,
96         GPIO120_KP_MKIN_5,
97         GPIO121_KP_MKOUT_0,
98         GPIO122_KP_MKOUT_1,
99         GPIO123_KP_MKOUT_2,
100         GPIO124_KP_MKOUT_3,
101         GPIO125_KP_MKOUT_4,
102 };
103
104 static struct resource smc91x_resources[] = {
105         [0] = {
106                 .start  = (LITTLETON_ETH_PHYS + 0x300),
107                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
108                 .flags  = IORESOURCE_MEM,
109         },
110         [1] = {
111                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
112                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
113                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
114         }
115 };
116
117 static struct smc91x_platdata littleton_smc91x_info = {
118         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
119                   SMC91X_NOWAIT | SMC91X_USE_DMA,
120 };
121
122 static struct platform_device smc91x_device = {
123         .name           = "smc91x",
124         .id             = 0,
125         .num_resources  = ARRAY_SIZE(smc91x_resources),
126         .resource       = smc91x_resources,
127         .dev            = {
128                 .platform_data = &littleton_smc91x_info,
129         },
130 };
131
132 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
133 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
134         [0] = {
135                 /* VGA */
136                 .pixclock       = 38250,
137                 .xres           = 480,
138                 .yres           = 640,
139                 .bpp            = 16,
140                 .hsync_len      = 8,
141                 .left_margin    = 8,
142                 .right_margin   = 24,
143                 .vsync_len      = 2,
144                 .upper_margin   = 2,
145                 .lower_margin   = 4,
146                 .sync           = 0,
147         },
148         [1] = {
149                 /* QVGA */
150                 .pixclock       = 153000,
151                 .xres           = 240,
152                 .yres           = 320,
153                 .bpp            = 16,
154                 .hsync_len      = 8,
155                 .left_margin    = 8,
156                 .right_margin   = 88,
157                 .vsync_len      = 2,
158                 .upper_margin   = 2,
159                 .lower_margin   = 2,
160                 .sync           = 0,
161         },
162 };
163
164 static struct pxafb_mach_info littleton_lcd_info = {
165         .modes                  = tpo_tdo24mtea1_modes,
166         .num_modes              = 2,
167         .lcd_conn               = LCD_COLOR_TFT_16BPP,
168 };
169
170 static void littleton_init_lcd(void)
171 {
172         set_pxa_fb_info(&littleton_lcd_info);
173 }
174 #else
175 static inline void littleton_init_lcd(void) {};
176 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
177
178 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
179 static struct pxa2xx_spi_master littleton_spi_info = {
180         .num_chipselect         = 1,
181 };
182
183 static void littleton_tdo24m_cs(u32 cmd)
184 {
185         gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT));
186 }
187
188 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
189         .rx_threshold   = 1,
190         .tx_threshold   = 1,
191         .cs_control     = littleton_tdo24m_cs,
192 };
193
194 static struct spi_board_info littleton_spi_devices[] __initdata = {
195         {
196                 .modalias       = "tdo24m",
197                 .max_speed_hz   = 1000000,
198                 .bus_num        = 2,
199                 .chip_select    = 0,
200                 .controller_data= &littleton_tdo24m_chip,
201         },
202 };
203
204 static void __init littleton_init_spi(void)
205 {
206         int err;
207
208         err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS");
209         if (err) {
210                 pr_warning("failed to request GPIO for LCS CS\n");
211                 return;
212         }
213
214         gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1);
215
216         pxa2xx_set_spi_info(2, &littleton_spi_info);
217         spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
218 }
219 #else
220 static inline void littleton_init_spi(void) {}
221 #endif
222
223 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
224 static unsigned int littleton_matrix_key_map[] = {
225         /* KEY(row, col, key_code) */
226         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
227         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
228         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
229
230         KEY(0, 3, KEY_KPASTERISK),      /* * */
231         KEY(2, 3, KEY_KPDOT),           /* # */
232
233         KEY(5, 4, KEY_ENTER),
234
235         KEY(5, 0, KEY_UP),
236         KEY(5, 1, KEY_DOWN),
237         KEY(5, 2, KEY_LEFT),
238         KEY(5, 3, KEY_RIGHT),
239         KEY(3, 2, KEY_HOME),
240         KEY(4, 1, KEY_END),
241         KEY(3, 3, KEY_BACK),
242
243         KEY(4, 0, KEY_SEND),
244         KEY(4, 2, KEY_VOLUMEUP),
245         KEY(4, 3, KEY_VOLUMEDOWN),
246
247         KEY(3, 0, KEY_F22),     /* soft1 */
248         KEY(3, 1, KEY_F23),     /* soft2 */
249 };
250
251 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
252         .matrix_key_rows        = 6,
253         .matrix_key_cols        = 5,
254         .matrix_key_map         = littleton_matrix_key_map,
255         .matrix_key_map_size    = ARRAY_SIZE(littleton_matrix_key_map),
256
257         .enable_rotary0         = 1,
258         .rotary0_up_key         = KEY_UP,
259         .rotary0_down_key       = KEY_DOWN,
260
261         .debounce_interval      = 30,
262 };
263 static void __init littleton_init_keypad(void)
264 {
265         pxa_set_keypad_info(&littleton_keypad_info);
266 }
267 #else
268 static inline void littleton_init_keypad(void) {}
269 #endif
270
271 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
272 static struct mtd_partition littleton_nand_partitions[] = {
273         [0] = {
274                 .name        = "Bootloader",
275                 .offset      = 0,
276                 .size        = 0x060000,
277                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
278         },
279         [1] = {
280                 .name        = "Kernel",
281                 .offset      = 0x060000,
282                 .size        = 0x200000,
283                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
284         },
285         [2] = {
286                 .name        = "Filesystem",
287                 .offset      = 0x0260000,
288                 .size        = 0x3000000,     /* 48M - rootfs */
289         },
290         [3] = {
291                 .name        = "MassStorage",
292                 .offset      = 0x3260000,
293                 .size        = 0x3d40000,
294         },
295         [4] = {
296                 .name        = "BBT",
297                 .offset      = 0x6FA0000,
298                 .size        = 0x80000,
299                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
300         },
301         /* NOTE: we reserve some blocks at the end of the NAND flash for
302          * bad block management, and the max number of relocation blocks
303          * differs on different platforms. Please take care with it when
304          * defining the partition table.
305          */
306 };
307
308 static struct pxa3xx_nand_platform_data littleton_nand_info = {
309         .enable_arbiter = 1,
310         .parts          = littleton_nand_partitions,
311         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
312 };
313
314 static void __init littleton_init_nand(void)
315 {
316         pxa3xx_set_nand_info(&littleton_nand_info);
317 }
318 #else
319 static inline void littleton_init_nand(void) {}
320 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
321
322 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
323 static struct led_info littleton_da9034_leds[] = {
324         [0] = {
325                 .name   = "littleton:keypad1",
326                 .flags  = DA9034_LED_RAMP,
327         },
328         [1] = {
329                 .name   = "littleton:keypad2",
330                 .flags  = DA9034_LED_RAMP,
331         },
332         [2] = {
333                 .name   = "littleton:vibra",
334                 .flags  = 0,
335         },
336 };
337
338 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
339         {
340                 .name           = "da903x-led",
341                 .id             = DA9034_ID_LED_1,
342                 .platform_data  = &littleton_da9034_leds[0],
343         }, {
344                 .name           = "da903x-led",
345                 .id             = DA9034_ID_LED_2,
346                 .platform_data  = &littleton_da9034_leds[1],
347         }, {
348                 .name           = "da903x-led",
349                 .id             = DA9034_ID_VIBRA,
350                 .platform_data  = &littleton_da9034_leds[2],
351         }, {
352                 .name           = "da903x-backlight",
353                 .id             = DA9034_ID_WLED,
354         },
355 };
356
357 static struct da903x_platform_data littleton_da9034_info = {
358         .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
359         .subdevs        = littleton_da9034_subdevs,
360 };
361
362 static struct max732x_platform_data littleton_max7320_info = {
363         .gpio_base      = EXT0_GPIO_BASE,
364 };
365
366 static struct i2c_board_info littleton_i2c_info[] = {
367         [0] = {
368                 .type           = "da9034",
369                 .addr           = 0x34,
370                 .platform_data  = &littleton_da9034_info,
371                 .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO18)),
372         },
373         [1] = {
374                 .type           = "max7320",
375                 .addr           = 0x50,
376                 .platform_data  = &littleton_max7320_info,
377         },
378 };
379
380 static void __init littleton_init_i2c(void)
381 {
382         pxa_set_i2c_info(NULL);
383         i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
384 }
385 #else
386 static inline void littleton_init_i2c(void) {}
387 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
388
389 static void __init littleton_init(void)
390 {
391         /* initialize MFP configurations */
392         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
393
394         /*
395          * Note: we depend bootloader set the correct
396          * value to MSC register for SMC91x.
397          */
398         platform_device_register(&smc91x_device);
399
400         littleton_init_spi();
401         littleton_init_i2c();
402         littleton_init_lcd();
403         littleton_init_keypad();
404         littleton_init_nand();
405 }
406
407 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
408         .phys_io        = 0x40000000,
409         .boot_params    = 0xa0000100,
410         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
411         .map_io         = pxa_map_io,
412         .init_irq       = pxa3xx_init_irq,
413         .timer          = &pxa_timer,
414         .init_machine   = littleton_init,
415 MACHINE_END