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
littleton_init_lcd(void)186 static void littleton_init_lcd(void)
187 {
188 pxa_set_fb_info(NULL, &littleton_lcd_info);
189 }
190 #else
littleton_init_lcd(void)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
littleton_init_spi(void)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
littleton_init_spi(void)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 };
littleton_init_keypad(void)268 static void __init littleton_init_keypad(void)
269 {
270 pxa_set_keypad_info(&littleton_keypad_info);
271 }
272 #else
littleton_init_keypad(void)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
littleton_init_mmc(void)285 static void __init littleton_init_mmc(void)
286 {
287 pxa_set_mci_info(&littleton_mci_platform_data);
288 }
289 #else
littleton_init_mmc(void)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
littleton_init_nand(void)337 static void __init littleton_init_nand(void)
338 {
339 pxa3xx_set_nand_info(&littleton_nand_info);
340 }
341 #else
littleton_init_nand(void)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
littleton_init_i2c(void)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
littleton_init_i2c(void)418 static inline void littleton_init_i2c(void) {}
419 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
420
littleton_init(void)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