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Linux/arch/arm/mach-pxa/littleton.c

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  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/spi/pxa2xx_spi.h>
 26 #include <linux/smc91x.h>
 27 #include <linux/i2c.h>
 28 #include <linux/leds.h>
 29 #include <linux/mfd/da903x.h>
 30 #include <linux/i2c/max732x.h>
 31 #include <linux/i2c/pxa-i2c.h>
 32 
 33 #include <asm/types.h>
 34 #include <asm/setup.h>
 35 #include <asm/memory.h>
 36 #include <asm/mach-types.h>
 37 #include <mach/hardware.h>
 38 #include <asm/irq.h>
 39 
 40 #include <asm/mach/arch.h>
 41 #include <asm/mach/map.h>
 42 #include <asm/mach/irq.h>
 43 
 44 #include <mach/pxa300.h>
 45 #include <linux/platform_data/video-pxafb.h>
 46 #include <linux/platform_data/mmc-pxamci.h>
 47 #include <linux/platform_data/keypad-pxa27x.h>
 48 #include <mach/littleton.h>
 49 #include <linux/platform_data/mtd-nand-pxa3xx.h>
 50 
 51 #include "generic.h"
 52 
 53 #define GPIO_MMC1_CARD_DETECT   mfp_to_gpio(MFP_PIN_GPIO15)
 54 
 55 /* Littleton MFP configurations */
 56 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
 57         /* LCD */
 58         GPIO54_LCD_LDD_0,
 59         GPIO55_LCD_LDD_1,
 60         GPIO56_LCD_LDD_2,
 61         GPIO57_LCD_LDD_3,
 62         GPIO58_LCD_LDD_4,
 63         GPIO59_LCD_LDD_5,
 64         GPIO60_LCD_LDD_6,
 65         GPIO61_LCD_LDD_7,
 66         GPIO62_LCD_LDD_8,
 67         GPIO63_LCD_LDD_9,
 68         GPIO64_LCD_LDD_10,
 69         GPIO65_LCD_LDD_11,
 70         GPIO66_LCD_LDD_12,
 71         GPIO67_LCD_LDD_13,
 72         GPIO68_LCD_LDD_14,
 73         GPIO69_LCD_LDD_15,
 74         GPIO70_LCD_LDD_16,
 75         GPIO71_LCD_LDD_17,
 76         GPIO72_LCD_FCLK,
 77         GPIO73_LCD_LCLK,
 78         GPIO74_LCD_PCLK,
 79         GPIO75_LCD_BIAS,
 80 
 81         /* SSP2 */
 82         GPIO25_SSP2_SCLK,
 83         GPIO27_SSP2_TXD,
 84         GPIO17_GPIO,    /* SFRM as chip-select */
 85 
 86         /* Debug Ethernet */
 87         GPIO90_GPIO,
 88 
 89         /* Keypad */
 90         GPIO107_KP_DKIN_0,
 91         GPIO108_KP_DKIN_1,
 92         GPIO115_KP_MKIN_0,
 93         GPIO116_KP_MKIN_1,
 94         GPIO117_KP_MKIN_2,
 95         GPIO118_KP_MKIN_3,
 96         GPIO119_KP_MKIN_4,
 97         GPIO120_KP_MKIN_5,
 98         GPIO121_KP_MKOUT_0,
 99         GPIO122_KP_MKOUT_1,
100         GPIO123_KP_MKOUT_2,
101         GPIO124_KP_MKOUT_3,
102         GPIO125_KP_MKOUT_4,
103 
104         /* MMC1 */
105         GPIO3_MMC1_DAT0,
106         GPIO4_MMC1_DAT1,
107         GPIO5_MMC1_DAT2,
108         GPIO6_MMC1_DAT3,
109         GPIO7_MMC1_CLK,
110         GPIO8_MMC1_CMD,
111         GPIO15_GPIO, /* card detect */
112 
113         /* UART3 */
114         GPIO107_UART3_CTS,
115         GPIO108_UART3_RTS,
116         GPIO109_UART3_TXD,
117         GPIO110_UART3_RXD,
118 };
119 
120 static struct resource smc91x_resources[] = {
121         [0] = {
122                 .start  = (LITTLETON_ETH_PHYS + 0x300),
123                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
124                 .flags  = IORESOURCE_MEM,
125         },
126         [1] = {
127                 .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
128                 .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
129                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
130         }
131 };
132 
133 static struct smc91x_platdata littleton_smc91x_info = {
134         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
135                   SMC91X_NOWAIT | SMC91X_USE_DMA,
136 };
137 
138 static struct platform_device smc91x_device = {
139         .name           = "smc91x",
140         .id             = 0,
141         .num_resources  = ARRAY_SIZE(smc91x_resources),
142         .resource       = smc91x_resources,
143         .dev            = {
144                 .platform_data = &littleton_smc91x_info,
145         },
146 };
147 
148 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
149 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
150         [0] = {
151                 /* VGA */
152                 .pixclock       = 38250,
153                 .xres           = 480,
154                 .yres           = 640,
155                 .bpp            = 16,
156                 .hsync_len      = 8,
157                 .left_margin    = 8,
158                 .right_margin   = 24,
159                 .vsync_len      = 2,
160                 .upper_margin   = 2,
161                 .lower_margin   = 4,
162                 .sync           = 0,
163         },
164         [1] = {
165                 /* QVGA */
166                 .pixclock       = 153000,
167                 .xres           = 240,
168                 .yres           = 320,
169                 .bpp            = 16,
170                 .hsync_len      = 8,
171                 .left_margin    = 8,
172                 .right_margin   = 88,
173                 .vsync_len      = 2,
174                 .upper_margin   = 2,
175                 .lower_margin   = 2,
176                 .sync           = 0,
177         },
178 };
179 
180 static struct pxafb_mach_info littleton_lcd_info = {
181         .modes                  = tpo_tdo24mtea1_modes,
182         .num_modes              = 2,
183         .lcd_conn               = LCD_COLOR_TFT_16BPP,
184 };
185 
186 static void littleton_init_lcd(void)
187 {
188         pxa_set_fb_info(NULL, &littleton_lcd_info);
189 }
190 #else
191 static inline void littleton_init_lcd(void) {};
192 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
193 
194 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
195 static struct pxa2xx_spi_master littleton_spi_info = {
196         .num_chipselect         = 1,
197 };
198 
199 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
200         .rx_threshold   = 1,
201         .tx_threshold   = 1,
202         .gpio_cs        = LITTLETON_GPIO_LCD_CS,
203 };
204 
205 static struct spi_board_info littleton_spi_devices[] __initdata = {
206         {
207                 .modalias       = "tdo24m",
208                 .max_speed_hz   = 1000000,
209                 .bus_num        = 2,
210                 .chip_select    = 0,
211                 .controller_data= &littleton_tdo24m_chip,
212         },
213 };
214 
215 static void __init littleton_init_spi(void)
216 {
217         pxa2xx_set_spi_info(2, &littleton_spi_info);
218         spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
219 }
220 #else
221 static inline void littleton_init_spi(void) {}
222 #endif
223 
224 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
225 static const unsigned int littleton_matrix_key_map[] = {
226         /* KEY(row, col, key_code) */
227         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
228         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
229         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
230 
231         KEY(0, 3, KEY_KPASTERISK),      /* * */
232         KEY(2, 3, KEY_KPDOT),           /* # */
233 
234         KEY(5, 4, KEY_ENTER),
235 
236         KEY(5, 0, KEY_UP),
237         KEY(5, 1, KEY_DOWN),
238         KEY(5, 2, KEY_LEFT),
239         KEY(5, 3, KEY_RIGHT),
240         KEY(3, 2, KEY_HOME),
241         KEY(4, 1, KEY_END),
242         KEY(3, 3, KEY_BACK),
243 
244         KEY(4, 0, KEY_SEND),
245         KEY(4, 2, KEY_VOLUMEUP),
246         KEY(4, 3, KEY_VOLUMEDOWN),
247 
248         KEY(3, 0, KEY_F22),     /* soft1 */
249         KEY(3, 1, KEY_F23),     /* soft2 */
250 };
251 
252 static struct matrix_keymap_data littleton_matrix_keymap_data = {
253         .keymap                 = littleton_matrix_key_map,
254         .keymap_size            = ARRAY_SIZE(littleton_matrix_key_map),
255 };
256 
257 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
258         .matrix_key_rows        = 6,
259         .matrix_key_cols        = 5,
260         .matrix_keymap_data     = &littleton_matrix_keymap_data,
261 
262         .enable_rotary0         = 1,
263         .rotary0_up_key         = KEY_UP,
264         .rotary0_down_key       = KEY_DOWN,
265 
266         .debounce_interval      = 30,
267 };
268 static void __init littleton_init_keypad(void)
269 {
270         pxa_set_keypad_info(&littleton_keypad_info);
271 }
272 #else
273 static inline void littleton_init_keypad(void) {}
274 #endif
275 
276 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
277 static struct pxamci_platform_data littleton_mci_platform_data = {
278         .detect_delay_ms        = 200,
279         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
280         .gpio_card_detect       = GPIO_MMC1_CARD_DETECT,
281         .gpio_card_ro           = -1,
282         .gpio_power             = -1,
283 };
284 
285 static void __init littleton_init_mmc(void)
286 {
287         pxa_set_mci_info(&littleton_mci_platform_data);
288 }
289 #else
290 static inline void littleton_init_mmc(void) {}
291 #endif
292 
293 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
294 static struct mtd_partition littleton_nand_partitions[] = {
295         [0] = {
296                 .name        = "Bootloader",
297                 .offset      = 0,
298                 .size        = 0x060000,
299                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
300         },
301         [1] = {
302                 .name        = "Kernel",
303                 .offset      = 0x060000,
304                 .size        = 0x200000,
305                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
306         },
307         [2] = {
308                 .name        = "Filesystem",
309                 .offset      = 0x0260000,
310                 .size        = 0x3000000,     /* 48M - rootfs */
311         },
312         [3] = {
313                 .name        = "MassStorage",
314                 .offset      = 0x3260000,
315                 .size        = 0x3d40000,
316         },
317         [4] = {
318                 .name        = "BBT",
319                 .offset      = 0x6FA0000,
320                 .size        = 0x80000,
321                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
322         },
323         /* NOTE: we reserve some blocks at the end of the NAND flash for
324          * bad block management, and the max number of relocation blocks
325          * differs on different platforms. Please take care with it when
326          * defining the partition table.
327          */
328 };
329 
330 static struct pxa3xx_nand_platform_data littleton_nand_info = {
331         .enable_arbiter = 1,
332         .num_cs         = 1,
333         .parts[0]       = littleton_nand_partitions,
334         .nr_parts[0]    = ARRAY_SIZE(littleton_nand_partitions),
335 };
336 
337 static void __init littleton_init_nand(void)
338 {
339         pxa3xx_set_nand_info(&littleton_nand_info);
340 }
341 #else
342 static inline void littleton_init_nand(void) {}
343 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
344 
345 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
346 static struct led_info littleton_da9034_leds[] = {
347         [0] = {
348                 .name   = "littleton:keypad1",
349                 .flags  = DA9034_LED_RAMP,
350         },
351         [1] = {
352                 .name   = "littleton:keypad2",
353                 .flags  = DA9034_LED_RAMP,
354         },
355         [2] = {
356                 .name   = "littleton:vibra",
357                 .flags  = 0,
358         },
359 };
360 
361 static struct da9034_touch_pdata littleton_da9034_touch = {
362         .x_inverted     = 1,
363         .interval_ms    = 20,
364 };
365 
366 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
367         {
368                 .name           = "da903x-led",
369                 .id             = DA9034_ID_LED_1,
370                 .platform_data  = &littleton_da9034_leds[0],
371         }, {
372                 .name           = "da903x-led",
373                 .id             = DA9034_ID_LED_2,
374                 .platform_data  = &littleton_da9034_leds[1],
375         }, {
376                 .name           = "da903x-led",
377                 .id             = DA9034_ID_VIBRA,
378                 .platform_data  = &littleton_da9034_leds[2],
379         }, {
380                 .name           = "da903x-backlight",
381                 .id             = DA9034_ID_WLED,
382         }, {
383                 .name           = "da9034-touch",
384                 .id             = DA9034_ID_TOUCH,
385                 .platform_data  = &littleton_da9034_touch,
386         },
387 };
388 
389 static struct da903x_platform_data littleton_da9034_info = {
390         .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
391         .subdevs        = littleton_da9034_subdevs,
392 };
393 
394 static struct max732x_platform_data littleton_max7320_info = {
395         .gpio_base      = EXT0_GPIO_BASE,
396 };
397 
398 static struct i2c_board_info littleton_i2c_info[] = {
399         [0] = {
400                 .type           = "da9034",
401                 .addr           = 0x34,
402                 .platform_data  = &littleton_da9034_info,
403                 .irq            = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
404         },
405         [1] = {
406                 .type           = "max7320",
407                 .addr           = 0x50,
408                 .platform_data  = &littleton_max7320_info,
409         },
410 };
411 
412 static void __init littleton_init_i2c(void)
413 {
414         pxa_set_i2c_info(NULL);
415         i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
416 }
417 #else
418 static inline void littleton_init_i2c(void) {}
419 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
420 
421 static void __init littleton_init(void)
422 {
423         /* initialize MFP configurations */
424         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
425 
426         pxa_set_ffuart_info(NULL);
427         pxa_set_btuart_info(NULL);
428         pxa_set_stuart_info(NULL);
429 
430         /*
431          * Note: we depend bootloader set the correct
432          * value to MSC register for SMC91x.
433          */
434         platform_device_register(&smc91x_device);
435 
436         littleton_init_spi();
437         littleton_init_i2c();
438         littleton_init_mmc();
439         littleton_init_lcd();
440         littleton_init_keypad();
441         littleton_init_nand();
442 }
443 
444 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
445         .atag_offset    = 0x100,
446         .map_io         = pxa3xx_map_io,
447         .nr_irqs        = LITTLETON_NR_IRQS,
448         .init_irq       = pxa3xx_init_irq,
449         .handle_irq     = pxa3xx_handle_irq,
450         .init_time      = pxa_timer_init,
451         .init_machine   = littleton_init,
452         .restart        = pxa_restart,
453 MACHINE_END
454 

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