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
littleton_init_lcd(void)170 static void littleton_init_lcd(void)
171 {
172 set_pxa_fb_info(&littleton_lcd_info);
173 }
174 #else
littleton_init_lcd(void)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
littleton_tdo24m_cs(u32 cmd)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
littleton_init_spi(void)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
littleton_init_spi(void)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 };
littleton_init_keypad(void)263 static void __init littleton_init_keypad(void)
264 {
265 pxa_set_keypad_info(&littleton_keypad_info);
266 }
267 #else
littleton_init_keypad(void)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
littleton_init_nand(void)314 static void __init littleton_init_nand(void)
315 {
316 pxa3xx_set_nand_info(&littleton_nand_info);
317 }
318 #else
littleton_init_nand(void)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
littleton_init_i2c(void)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
littleton_init_i2c(void)386 static inline void littleton_init_i2c(void) {}
387 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
388
littleton_init(void)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
416