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1 | /* |
2 | * linux/arch/arm/mach-pxa/tavorevb.c |
3 | * |
4 | * Support for the Marvell PXA930 Evaluation Board |
5 | * |
6 | * Copyright (C) 2007-2008 Marvell International Ltd. |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License version 2 as |
10 | * publishhed by the Free Software Foundation. |
11 | */ |
12 | |
13 | #include <linux/module.h> |
14 | #include <linux/kernel.h> |
15 | #include <linux/interrupt.h> |
16 | #include <linux/init.h> |
17 | #include <linux/platform_device.h> |
18 | #include <linux/clk.h> |
19 | #include <linux/gpio.h> |
20 | #include <linux/smc91x.h> |
21 | #include <linux/pwm_backlight.h> |
22 | |
23 | #include <asm/mach-types.h> |
24 | #include <asm/mach/arch.h> |
25 | |
26 | #include <mach/pxa930.h> |
27 | #include <mach/pxafb.h> |
28 | #include <plat/pxa27x_keypad.h> |
29 | |
30 | #include "devices.h" |
31 | #include "generic.h" |
32 | |
33 | /* Tavor EVB MFP configurations */ |
34 | static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = { |
35 | /* Ethernet */ |
36 | DF_nCS1_nCS3, |
37 | GPIO47_GPIO, |
38 | |
39 | /* LCD */ |
40 | GPIO23_LCD_DD0, |
41 | GPIO24_LCD_DD1, |
42 | GPIO25_LCD_DD2, |
43 | GPIO26_LCD_DD3, |
44 | GPIO27_LCD_DD4, |
45 | GPIO28_LCD_DD5, |
46 | GPIO29_LCD_DD6, |
47 | GPIO44_LCD_DD7, |
48 | GPIO21_LCD_CS, |
49 | GPIO22_LCD_CS2, |
50 | |
51 | GPIO17_LCD_FCLK_RD, |
52 | GPIO18_LCD_LCLK_A0, |
53 | GPIO19_LCD_PCLK_WR, |
54 | |
55 | /* LCD Backlight */ |
56 | GPIO43_PWM3, /* primary backlight */ |
57 | GPIO32_PWM0, /* secondary backlight */ |
58 | |
59 | /* Keypad */ |
60 | GPIO0_KP_MKIN_0, |
61 | GPIO2_KP_MKIN_1, |
62 | GPIO4_KP_MKIN_2, |
63 | GPIO6_KP_MKIN_3, |
64 | GPIO8_KP_MKIN_4, |
65 | GPIO10_KP_MKIN_5, |
66 | GPIO12_KP_MKIN_6, |
67 | GPIO1_KP_MKOUT_0, |
68 | GPIO3_KP_MKOUT_1, |
69 | GPIO5_KP_MKOUT_2, |
70 | GPIO7_KP_MKOUT_3, |
71 | GPIO9_KP_MKOUT_4, |
72 | GPIO11_KP_MKOUT_5, |
73 | GPIO13_KP_MKOUT_6, |
74 | |
75 | GPIO14_KP_DKIN_2, |
76 | GPIO15_KP_DKIN_3, |
77 | }; |
78 | |
79 | #define TAVOREVB_ETH_PHYS (0x14000000) |
80 | |
81 | static struct resource smc91x_resources[] = { |
82 | [0] = { |
83 | .start = (TAVOREVB_ETH_PHYS + 0x300), |
84 | .end = (TAVOREVB_ETH_PHYS + 0xfffff), |
85 | .flags = IORESOURCE_MEM, |
86 | }, |
87 | [1] = { |
88 | .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)), |
89 | .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)), |
90 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
91 | } |
92 | }; |
93 | |
94 | static struct smc91x_platdata tavorevb_smc91x_info = { |
95 | .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA, |
96 | }; |
97 | |
98 | static struct platform_device smc91x_device = { |
99 | .name = "smc91x", |
100 | .id = 0, |
101 | .num_resources = ARRAY_SIZE(smc91x_resources), |
102 | .resource = smc91x_resources, |
103 | .dev = { |
104 | .platform_data = &tavorevb_smc91x_info, |
105 | }, |
106 | }; |
107 | |
108 | #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) |
109 | static unsigned int tavorevb_matrix_key_map[] = { |
110 | /* KEY(row, col, key_code) */ |
111 | KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C), |
112 | KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G), |
113 | KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K), |
114 | KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O), |
115 | KEY(4, 5, KEY_R), KEY(4, 6, KEY_S), |
116 | KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W), |
117 | |
118 | KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z), |
119 | |
120 | KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3), |
121 | KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7), |
122 | KEY(1, 3, KEY_8), KEY(0, 2, KEY_9), |
123 | |
124 | KEY(6, 6, KEY_SPACE), |
125 | KEY(0, 0, KEY_KPASTERISK), /* * */ |
126 | KEY(0, 1, KEY_KPDOT), /* # */ |
127 | |
128 | KEY(4, 1, KEY_UP), |
129 | KEY(4, 3, KEY_DOWN), |
130 | KEY(4, 0, KEY_LEFT), |
131 | KEY(4, 2, KEY_RIGHT), |
132 | KEY(6, 0, KEY_HOME), |
133 | KEY(3, 2, KEY_END), |
134 | KEY(6, 1, KEY_DELETE), |
135 | KEY(5, 2, KEY_BACK), |
136 | KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */ |
137 | |
138 | KEY(4, 4, KEY_ENTER), /* scroll push */ |
139 | KEY(6, 2, KEY_ENTER), /* keypad action */ |
140 | |
141 | KEY(3, 1, KEY_SEND), |
142 | KEY(5, 3, KEY_RECORD), |
143 | KEY(5, 0, KEY_VOLUMEUP), |
144 | KEY(5, 1, KEY_VOLUMEDOWN), |
145 | |
146 | KEY(3, 0, KEY_F22), /* soft1 */ |
147 | KEY(3, 3, KEY_F23), /* soft2 */ |
148 | }; |
149 | |
150 | static struct pxa27x_keypad_platform_data tavorevb_keypad_info = { |
151 | .matrix_key_rows = 7, |
152 | .matrix_key_cols = 7, |
153 | .matrix_key_map = tavorevb_matrix_key_map, |
154 | .matrix_key_map_size = ARRAY_SIZE(tavorevb_matrix_key_map), |
155 | .debounce_interval = 30, |
156 | }; |
157 | |
158 | static void __init tavorevb_init_keypad(void) |
159 | { |
160 | pxa_set_keypad_info(&tavorevb_keypad_info); |
161 | } |
162 | #else |
163 | static inline void tavorevb_init_keypad(void) {} |
164 | #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */ |
165 | |
166 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
167 | static struct platform_pwm_backlight_data tavorevb_backlight_data[] = { |
168 | [0] = { |
169 | /* primary backlight */ |
170 | .pwm_id = 2, |
171 | .max_brightness = 100, |
172 | .dft_brightness = 100, |
173 | .pwm_period_ns = 100000, |
174 | }, |
175 | [1] = { |
176 | /* secondary backlight */ |
177 | .pwm_id = 0, |
178 | .max_brightness = 100, |
179 | .dft_brightness = 100, |
180 | .pwm_period_ns = 100000, |
181 | }, |
182 | }; |
183 | |
184 | static struct platform_device tavorevb_backlight_devices[] = { |
185 | [0] = { |
186 | .name = "pwm-backlight", |
187 | .id = 0, |
188 | .dev = { |
189 | .platform_data = &tavorevb_backlight_data[0], |
190 | }, |
191 | }, |
192 | [1] = { |
193 | .name = "pwm-backlight", |
194 | .id = 1, |
195 | .dev = { |
196 | .platform_data = &tavorevb_backlight_data[1], |
197 | }, |
198 | }, |
199 | }; |
200 | |
201 | static uint16_t panel_init[] = { |
202 | /* DSTB OUT */ |
203 | SMART_CMD(0x00), |
204 | SMART_CMD_NOOP, |
205 | SMART_DELAY(1), |
206 | |
207 | SMART_CMD(0x00), |
208 | SMART_CMD_NOOP, |
209 | SMART_DELAY(1), |
210 | |
211 | SMART_CMD(0x00), |
212 | SMART_CMD_NOOP, |
213 | SMART_DELAY(1), |
214 | |
215 | /* STB OUT */ |
216 | SMART_CMD(0x00), |
217 | SMART_CMD(0x1D), |
218 | SMART_DAT(0x00), |
219 | SMART_DAT(0x05), |
220 | SMART_DELAY(1), |
221 | |
222 | /* P-ON Init sequence */ |
223 | SMART_CMD(0x00), /* OSC ON */ |
224 | SMART_CMD(0x00), |
225 | SMART_DAT(0x00), |
226 | SMART_DAT(0x01), |
227 | SMART_CMD(0x00), |
228 | SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */ |
229 | SMART_DAT(0x01), |
230 | SMART_DAT(0x27), |
231 | SMART_CMD(0x00), |
232 | SMART_CMD(0x02), /* LINE INV */ |
233 | SMART_DAT(0x02), |
234 | SMART_DAT(0x00), |
235 | SMART_CMD(0x00), |
236 | SMART_CMD(0x03), /* IF mode(1) */ |
237 | SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */ |
238 | SMART_DAT(0x30), |
239 | SMART_CMD(0x07), |
240 | SMART_CMD(0x00), /* RAM Write Mode */ |
241 | SMART_DAT(0x00), |
242 | SMART_DAT(0x03), |
243 | SMART_CMD(0x00), |
244 | |
245 | /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */ |
246 | SMART_CMD(0x07), |
247 | SMART_DAT(0x40), /* 16/18/19 BPP */ |
248 | SMART_DAT(0x00), |
249 | SMART_CMD(0x00), |
250 | SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */ |
251 | SMART_DAT(0x03), |
252 | SMART_DAT(0x02), |
253 | SMART_CMD(0x00), |
254 | SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */ |
255 | SMART_DAT(0x00), |
256 | SMART_DAT(0x00), |
257 | SMART_CMD(0x00), |
258 | SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */ |
259 | SMART_DAT(0x00), |
260 | SMART_DAT(0x10), |
261 | SMART_CMD(0x00), |
262 | SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */ |
263 | SMART_DAT(0x03), |
264 | SMART_DAT(0x02), |
265 | SMART_CMD(0x00), |
266 | SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */ |
267 | SMART_DAT(0x01), |
268 | SMART_DAT(0x02), |
269 | SMART_CMD(0x00), |
270 | SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */ |
271 | SMART_DAT(0x00), |
272 | SMART_DAT(0x00), |
273 | SMART_CMD(0x00), |
274 | SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */ |
275 | SMART_DAT(0x20), |
276 | SMART_DAT(0x00), |
277 | SMART_CMD(0x00), |
278 | SMART_CMD(0x1C), |
279 | SMART_DAT(0x00), |
280 | SMART_DAT(0x00), |
281 | SMART_CMD(0x03), |
282 | SMART_CMD(0x00), |
283 | SMART_DAT(0x04), |
284 | SMART_DAT(0x03), |
285 | SMART_CMD(0x03), |
286 | SMART_CMD(0x01), |
287 | SMART_DAT(0x03), |
288 | SMART_DAT(0x04), |
289 | SMART_CMD(0x03), |
290 | SMART_CMD(0x02), |
291 | SMART_DAT(0x04), |
292 | SMART_DAT(0x03), |
293 | SMART_CMD(0x03), |
294 | SMART_CMD(0x03), |
295 | SMART_DAT(0x03), |
296 | SMART_DAT(0x03), |
297 | SMART_CMD(0x03), |
298 | SMART_CMD(0x04), |
299 | SMART_DAT(0x01), |
300 | SMART_DAT(0x01), |
301 | SMART_CMD(0x03), |
302 | SMART_CMD(0x05), |
303 | SMART_DAT(0x00), |
304 | SMART_DAT(0x00), |
305 | SMART_CMD(0x04), |
306 | SMART_CMD(0x02), |
307 | SMART_DAT(0x00), |
308 | SMART_DAT(0x00), |
309 | SMART_CMD(0x04), |
310 | SMART_CMD(0x03), |
311 | SMART_DAT(0x01), |
312 | SMART_DAT(0x3F), |
313 | SMART_DELAY(0), |
314 | |
315 | /* DISP RAM setting: 240*320 */ |
316 | SMART_CMD(0x04), /* HADDR, START 0 */ |
317 | SMART_CMD(0x06), |
318 | SMART_DAT(0x00), |
319 | SMART_DAT(0x00), /* x1,3 */ |
320 | SMART_CMD(0x04), /* HADDR, END 4 */ |
321 | SMART_CMD(0x07), |
322 | SMART_DAT(0x00), |
323 | SMART_DAT(0xEF), /* x2, 7 */ |
324 | SMART_CMD(0x04), /* VADDR, START 8 */ |
325 | SMART_CMD(0x08), |
326 | SMART_DAT(0x00), /* y1, 10 */ |
327 | SMART_DAT(0x00), /* y1, 11 */ |
328 | SMART_CMD(0x04), /* VADDR, END 12 */ |
329 | SMART_CMD(0x09), |
330 | SMART_DAT(0x01), /* y2, 14 */ |
331 | SMART_DAT(0x3F), /* y2, 15 */ |
332 | SMART_CMD(0x02), /* RAM ADDR SETTING 16 */ |
333 | SMART_CMD(0x00), |
334 | SMART_DAT(0x00), |
335 | SMART_DAT(0x00), /* x1, 19 */ |
336 | SMART_CMD(0x02), /* RAM ADDR SETTING 20 */ |
337 | SMART_CMD(0x01), |
338 | SMART_DAT(0x00), /* y1, 22 */ |
339 | SMART_DAT(0x00), /* y1, 23 */ |
340 | }; |
341 | |
342 | static uint16_t panel_on[] = { |
343 | /* Power-IC ON */ |
344 | SMART_CMD(0x01), |
345 | SMART_CMD(0x02), |
346 | SMART_DAT(0x07), |
347 | SMART_DAT(0x7D), |
348 | SMART_CMD(0x01), |
349 | SMART_CMD(0x03), |
350 | SMART_DAT(0x00), |
351 | SMART_DAT(0x05), |
352 | SMART_CMD(0x01), |
353 | SMART_CMD(0x04), |
354 | SMART_DAT(0x00), |
355 | SMART_DAT(0x00), |
356 | SMART_CMD(0x01), |
357 | SMART_CMD(0x05), |
358 | SMART_DAT(0x00), |
359 | SMART_DAT(0x15), |
360 | SMART_CMD(0x01), |
361 | SMART_CMD(0x00), |
362 | SMART_DAT(0xC0), |
363 | SMART_DAT(0x10), |
364 | SMART_DELAY(30), |
365 | |
366 | /* DISP ON */ |
367 | SMART_CMD(0x01), |
368 | SMART_CMD(0x01), |
369 | SMART_DAT(0x00), |
370 | SMART_DAT(0x01), |
371 | SMART_CMD(0x01), |
372 | SMART_CMD(0x00), |
373 | SMART_DAT(0xFF), |
374 | SMART_DAT(0xFE), |
375 | SMART_DELAY(150), |
376 | }; |
377 | |
378 | static uint16_t panel_off[] = { |
379 | SMART_CMD(0x00), |
380 | SMART_CMD(0x1E), |
381 | SMART_DAT(0x00), |
382 | SMART_DAT(0x0A), |
383 | SMART_CMD(0x01), |
384 | SMART_CMD(0x00), |
385 | SMART_DAT(0xFF), |
386 | SMART_DAT(0xEE), |
387 | SMART_CMD(0x01), |
388 | SMART_CMD(0x00), |
389 | SMART_DAT(0xF8), |
390 | SMART_DAT(0x12), |
391 | SMART_CMD(0x01), |
392 | SMART_CMD(0x00), |
393 | SMART_DAT(0xE8), |
394 | SMART_DAT(0x11), |
395 | SMART_CMD(0x01), |
396 | SMART_CMD(0x00), |
397 | SMART_DAT(0xC0), |
398 | SMART_DAT(0x11), |
399 | SMART_CMD(0x01), |
400 | SMART_CMD(0x00), |
401 | SMART_DAT(0x40), |
402 | SMART_DAT(0x11), |
403 | SMART_CMD(0x01), |
404 | SMART_CMD(0x00), |
405 | SMART_DAT(0x00), |
406 | SMART_DAT(0x10), |
407 | }; |
408 | |
409 | static uint16_t update_framedata[] = { |
410 | /* write ram */ |
411 | SMART_CMD(0x02), |
412 | SMART_CMD(0x02), |
413 | |
414 | /* write frame data */ |
415 | SMART_CMD_WRITE_FRAME, |
416 | }; |
417 | |
418 | static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var) |
419 | { |
420 | struct fb_info *info = container_of(var, struct fb_info, var); |
421 | |
422 | if (on) { |
423 | pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init)); |
424 | pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on)); |
425 | } else { |
426 | pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off)); |
427 | } |
428 | |
429 | if (pxafb_smart_flush(info)) |
430 | pr_err("%s: timed out\n", __func__); |
431 | } |
432 | |
433 | static void ltm020d550_update(struct fb_info *info) |
434 | { |
435 | pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata)); |
436 | pxafb_smart_flush(info); |
437 | } |
438 | |
439 | static struct pxafb_mode_info toshiba_ltm020d550_modes[] = { |
440 | [0] = { |
441 | .xres = 240, |
442 | .yres = 320, |
443 | .bpp = 16, |
444 | .a0csrd_set_hld = 30, |
445 | .a0cswr_set_hld = 30, |
446 | .wr_pulse_width = 30, |
447 | .rd_pulse_width = 170, |
448 | .op_hold_time = 30, |
449 | .cmd_inh_time = 60, |
450 | |
451 | /* L_LCLK_A0 and L_LCLK_RD active low */ |
452 | .sync = FB_SYNC_HOR_HIGH_ACT | |
453 | FB_SYNC_VERT_HIGH_ACT, |
454 | }, |
455 | }; |
456 | |
457 | static struct pxafb_mach_info tavorevb_lcd_info = { |
458 | .modes = toshiba_ltm020d550_modes, |
459 | .num_modes = 1, |
460 | .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL, |
461 | .pxafb_lcd_power = ltm020d550_lcd_power, |
462 | .smart_update = ltm020d550_update, |
463 | }; |
464 | |
465 | static void __init tavorevb_init_lcd(void) |
466 | { |
467 | platform_device_register(&tavorevb_backlight_devices[0]); |
468 | platform_device_register(&tavorevb_backlight_devices[1]); |
469 | set_pxa_fb_info(&tavorevb_lcd_info); |
470 | } |
471 | #else |
472 | static inline void tavorevb_init_lcd(void) {} |
473 | #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ |
474 | |
475 | static void __init tavorevb_init(void) |
476 | { |
477 | /* initialize MFP configurations */ |
478 | pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg)); |
479 | |
480 | pxa_set_ffuart_info(NULL); |
481 | pxa_set_btuart_info(NULL); |
482 | pxa_set_stuart_info(NULL); |
483 | |
484 | platform_device_register(&smc91x_device); |
485 | |
486 | tavorevb_init_lcd(); |
487 | tavorevb_init_keypad(); |
488 | } |
489 | |
490 | MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)") |
491 | /* Maintainer: Eric Miao <eric.miao@marvell.com> */ |
492 | .boot_params = 0xa0000100, |
493 | .map_io = pxa_map_io, |
494 | .init_irq = pxa3xx_init_irq, |
495 | .timer = &pxa_timer, |
496 | .init_machine = tavorevb_init, |
497 | MACHINE_END |
498 |
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