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.h>
22 #include <linux/pwm_backlight.h>
23
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26
27 #include "pxa930.h"
28 #include <linux/platform_data/video-pxafb.h>
29 #include <linux/platform_data/keypad-pxa27x.h>
30
31 #include "devices.h"
32 #include "generic.h"
33
34 /* Tavor EVB MFP configurations */
35 static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = {
36 /* Ethernet */
37 DF_nCS1_nCS3,
38 GPIO47_GPIO,
39
40 /* LCD */
41 GPIO23_LCD_DD0,
42 GPIO24_LCD_DD1,
43 GPIO25_LCD_DD2,
44 GPIO26_LCD_DD3,
45 GPIO27_LCD_DD4,
46 GPIO28_LCD_DD5,
47 GPIO29_LCD_DD6,
48 GPIO44_LCD_DD7,
49 GPIO21_LCD_CS,
50 GPIO22_LCD_CS2,
51
52 GPIO17_LCD_FCLK_RD,
53 GPIO18_LCD_LCLK_A0,
54 GPIO19_LCD_PCLK_WR,
55
56 /* LCD Backlight */
57 GPIO43_PWM3, /* primary backlight */
58 GPIO32_PWM0, /* secondary backlight */
59
60 /* Keypad */
61 GPIO0_KP_MKIN_0,
62 GPIO2_KP_MKIN_1,
63 GPIO4_KP_MKIN_2,
64 GPIO6_KP_MKIN_3,
65 GPIO8_KP_MKIN_4,
66 GPIO10_KP_MKIN_5,
67 GPIO12_KP_MKIN_6,
68 GPIO1_KP_MKOUT_0,
69 GPIO3_KP_MKOUT_1,
70 GPIO5_KP_MKOUT_2,
71 GPIO7_KP_MKOUT_3,
72 GPIO9_KP_MKOUT_4,
73 GPIO11_KP_MKOUT_5,
74 GPIO13_KP_MKOUT_6,
75
76 GPIO14_KP_DKIN_2,
77 GPIO15_KP_DKIN_3,
78 };
79
80 #define TAVOREVB_ETH_PHYS (0x14000000)
81
82 static struct resource smc91x_resources[] = {
83 [0] = {
84 .start = (TAVOREVB_ETH_PHYS + 0x300),
85 .end = (TAVOREVB_ETH_PHYS + 0xfffff),
86 .flags = IORESOURCE_MEM,
87 },
88 [1] = {
89 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
90 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
91 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
92 }
93 };
94
95 static struct smc91x_platdata tavorevb_smc91x_info = {
96 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
97 };
98
99 static struct platform_device smc91x_device = {
100 .name = "smc91x",
101 .id = 0,
102 .num_resources = ARRAY_SIZE(smc91x_resources),
103 .resource = smc91x_resources,
104 .dev = {
105 .platform_data = &tavorevb_smc91x_info,
106 },
107 };
108
109 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
110 static const unsigned int tavorevb_matrix_key_map[] = {
111 /* KEY(row, col, key_code) */
112 KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C),
113 KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G),
114 KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K),
115 KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O),
116 KEY(4, 5, KEY_R), KEY(4, 6, KEY_S),
117 KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W),
118
119 KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z),
120
121 KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3),
122 KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7),
123 KEY(1, 3, KEY_8), KEY(0, 2, KEY_9),
124
125 KEY(6, 6, KEY_SPACE),
126 KEY(0, 0, KEY_KPASTERISK), /* * */
127 KEY(0, 1, KEY_KPDOT), /* # */
128
129 KEY(4, 1, KEY_UP),
130 KEY(4, 3, KEY_DOWN),
131 KEY(4, 0, KEY_LEFT),
132 KEY(4, 2, KEY_RIGHT),
133 KEY(6, 0, KEY_HOME),
134 KEY(3, 2, KEY_END),
135 KEY(6, 1, KEY_DELETE),
136 KEY(5, 2, KEY_BACK),
137 KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */
138
139 KEY(4, 4, KEY_ENTER), /* scroll push */
140 KEY(6, 2, KEY_ENTER), /* keypad action */
141
142 KEY(3, 1, KEY_SEND),
143 KEY(5, 3, KEY_RECORD),
144 KEY(5, 0, KEY_VOLUMEUP),
145 KEY(5, 1, KEY_VOLUMEDOWN),
146
147 KEY(3, 0, KEY_F22), /* soft1 */
148 KEY(3, 3, KEY_F23), /* soft2 */
149 };
150
151 static struct matrix_keymap_data tavorevb_matrix_keymap_data = {
152 .keymap = tavorevb_matrix_key_map,
153 .keymap_size = ARRAY_SIZE(tavorevb_matrix_key_map),
154 };
155
156 static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
157 .matrix_key_rows = 7,
158 .matrix_key_cols = 7,
159 .matrix_keymap_data = &tavorevb_matrix_keymap_data,
160 .debounce_interval = 30,
161 };
162
tavorevb_init_keypad(void)163 static void __init tavorevb_init_keypad(void)
164 {
165 pxa_set_keypad_info(&tavorevb_keypad_info);
166 }
167 #else
tavorevb_init_keypad(void)168 static inline void tavorevb_init_keypad(void) {}
169 #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
170
171 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
172 static struct pwm_lookup tavorevb_pwm_lookup[] = {
173 PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 100000,
174 PWM_POLARITY_NORMAL),
175 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.1", NULL, 100000,
176 PWM_POLARITY_NORMAL),
177 };
178
179 static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
180 [0] = {
181 /* primary backlight */
182 .max_brightness = 100,
183 .dft_brightness = 100,
184 .enable_gpio = -1,
185 },
186 [1] = {
187 /* secondary backlight */
188 .max_brightness = 100,
189 .dft_brightness = 100,
190 .enable_gpio = -1,
191 },
192 };
193
194 static struct platform_device tavorevb_backlight_devices[] = {
195 [0] = {
196 .name = "pwm-backlight",
197 .id = 0,
198 .dev = {
199 .platform_data = &tavorevb_backlight_data[0],
200 },
201 },
202 [1] = {
203 .name = "pwm-backlight",
204 .id = 1,
205 .dev = {
206 .platform_data = &tavorevb_backlight_data[1],
207 },
208 },
209 };
210
211 static uint16_t panel_init[] = {
212 /* DSTB OUT */
213 SMART_CMD(0x00),
214 SMART_CMD_NOOP,
215 SMART_DELAY(1),
216
217 SMART_CMD(0x00),
218 SMART_CMD_NOOP,
219 SMART_DELAY(1),
220
221 SMART_CMD(0x00),
222 SMART_CMD_NOOP,
223 SMART_DELAY(1),
224
225 /* STB OUT */
226 SMART_CMD(0x00),
227 SMART_CMD(0x1D),
228 SMART_DAT(0x00),
229 SMART_DAT(0x05),
230 SMART_DELAY(1),
231
232 /* P-ON Init sequence */
233 SMART_CMD(0x00), /* OSC ON */
234 SMART_CMD(0x00),
235 SMART_DAT(0x00),
236 SMART_DAT(0x01),
237 SMART_CMD(0x00),
238 SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
239 SMART_DAT(0x01),
240 SMART_DAT(0x27),
241 SMART_CMD(0x00),
242 SMART_CMD(0x02), /* LINE INV */
243 SMART_DAT(0x02),
244 SMART_DAT(0x00),
245 SMART_CMD(0x00),
246 SMART_CMD(0x03), /* IF mode(1) */
247 SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
248 SMART_DAT(0x30),
249 SMART_CMD(0x07),
250 SMART_CMD(0x00), /* RAM Write Mode */
251 SMART_DAT(0x00),
252 SMART_DAT(0x03),
253 SMART_CMD(0x00),
254
255 /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */
256 SMART_CMD(0x07),
257 SMART_DAT(0x40), /* 16/18/19 BPP */
258 SMART_DAT(0x00),
259 SMART_CMD(0x00),
260 SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
261 SMART_DAT(0x03),
262 SMART_DAT(0x02),
263 SMART_CMD(0x00),
264 SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
265 SMART_DAT(0x00),
266 SMART_DAT(0x00),
267 SMART_CMD(0x00),
268 SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
269 SMART_DAT(0x00),
270 SMART_DAT(0x10),
271 SMART_CMD(0x00),
272 SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
273 SMART_DAT(0x03),
274 SMART_DAT(0x02),
275 SMART_CMD(0x00),
276 SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
277 SMART_DAT(0x01),
278 SMART_DAT(0x02),
279 SMART_CMD(0x00),
280 SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
281 SMART_DAT(0x00),
282 SMART_DAT(0x00),
283 SMART_CMD(0x00),
284 SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
285 SMART_DAT(0x20),
286 SMART_DAT(0x00),
287 SMART_CMD(0x00),
288 SMART_CMD(0x1C),
289 SMART_DAT(0x00),
290 SMART_DAT(0x00),
291 SMART_CMD(0x03),
292 SMART_CMD(0x00),
293 SMART_DAT(0x04),
294 SMART_DAT(0x03),
295 SMART_CMD(0x03),
296 SMART_CMD(0x01),
297 SMART_DAT(0x03),
298 SMART_DAT(0x04),
299 SMART_CMD(0x03),
300 SMART_CMD(0x02),
301 SMART_DAT(0x04),
302 SMART_DAT(0x03),
303 SMART_CMD(0x03),
304 SMART_CMD(0x03),
305 SMART_DAT(0x03),
306 SMART_DAT(0x03),
307 SMART_CMD(0x03),
308 SMART_CMD(0x04),
309 SMART_DAT(0x01),
310 SMART_DAT(0x01),
311 SMART_CMD(0x03),
312 SMART_CMD(0x05),
313 SMART_DAT(0x00),
314 SMART_DAT(0x00),
315 SMART_CMD(0x04),
316 SMART_CMD(0x02),
317 SMART_DAT(0x00),
318 SMART_DAT(0x00),
319 SMART_CMD(0x04),
320 SMART_CMD(0x03),
321 SMART_DAT(0x01),
322 SMART_DAT(0x3F),
323 SMART_DELAY(0),
324
325 /* DISP RAM setting: 240*320 */
326 SMART_CMD(0x04), /* HADDR, START 0 */
327 SMART_CMD(0x06),
328 SMART_DAT(0x00),
329 SMART_DAT(0x00), /* x1,3 */
330 SMART_CMD(0x04), /* HADDR, END 4 */
331 SMART_CMD(0x07),
332 SMART_DAT(0x00),
333 SMART_DAT(0xEF), /* x2, 7 */
334 SMART_CMD(0x04), /* VADDR, START 8 */
335 SMART_CMD(0x08),
336 SMART_DAT(0x00), /* y1, 10 */
337 SMART_DAT(0x00), /* y1, 11 */
338 SMART_CMD(0x04), /* VADDR, END 12 */
339 SMART_CMD(0x09),
340 SMART_DAT(0x01), /* y2, 14 */
341 SMART_DAT(0x3F), /* y2, 15 */
342 SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
343 SMART_CMD(0x00),
344 SMART_DAT(0x00),
345 SMART_DAT(0x00), /* x1, 19 */
346 SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
347 SMART_CMD(0x01),
348 SMART_DAT(0x00), /* y1, 22 */
349 SMART_DAT(0x00), /* y1, 23 */
350 };
351
352 static uint16_t panel_on[] = {
353 /* Power-IC ON */
354 SMART_CMD(0x01),
355 SMART_CMD(0x02),
356 SMART_DAT(0x07),
357 SMART_DAT(0x7D),
358 SMART_CMD(0x01),
359 SMART_CMD(0x03),
360 SMART_DAT(0x00),
361 SMART_DAT(0x05),
362 SMART_CMD(0x01),
363 SMART_CMD(0x04),
364 SMART_DAT(0x00),
365 SMART_DAT(0x00),
366 SMART_CMD(0x01),
367 SMART_CMD(0x05),
368 SMART_DAT(0x00),
369 SMART_DAT(0x15),
370 SMART_CMD(0x01),
371 SMART_CMD(0x00),
372 SMART_DAT(0xC0),
373 SMART_DAT(0x10),
374 SMART_DELAY(30),
375
376 /* DISP ON */
377 SMART_CMD(0x01),
378 SMART_CMD(0x01),
379 SMART_DAT(0x00),
380 SMART_DAT(0x01),
381 SMART_CMD(0x01),
382 SMART_CMD(0x00),
383 SMART_DAT(0xFF),
384 SMART_DAT(0xFE),
385 SMART_DELAY(150),
386 };
387
388 static uint16_t panel_off[] = {
389 SMART_CMD(0x00),
390 SMART_CMD(0x1E),
391 SMART_DAT(0x00),
392 SMART_DAT(0x0A),
393 SMART_CMD(0x01),
394 SMART_CMD(0x00),
395 SMART_DAT(0xFF),
396 SMART_DAT(0xEE),
397 SMART_CMD(0x01),
398 SMART_CMD(0x00),
399 SMART_DAT(0xF8),
400 SMART_DAT(0x12),
401 SMART_CMD(0x01),
402 SMART_CMD(0x00),
403 SMART_DAT(0xE8),
404 SMART_DAT(0x11),
405 SMART_CMD(0x01),
406 SMART_CMD(0x00),
407 SMART_DAT(0xC0),
408 SMART_DAT(0x11),
409 SMART_CMD(0x01),
410 SMART_CMD(0x00),
411 SMART_DAT(0x40),
412 SMART_DAT(0x11),
413 SMART_CMD(0x01),
414 SMART_CMD(0x00),
415 SMART_DAT(0x00),
416 SMART_DAT(0x10),
417 };
418
419 static uint16_t update_framedata[] = {
420 /* write ram */
421 SMART_CMD(0x02),
422 SMART_CMD(0x02),
423
424 /* write frame data */
425 SMART_CMD_WRITE_FRAME,
426 };
427
ltm020d550_lcd_power(int on,struct fb_var_screeninfo * var)428 static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
429 {
430 struct fb_info *info = container_of(var, struct fb_info, var);
431
432 if (on) {
433 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
434 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
435 } else {
436 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
437 }
438
439 if (pxafb_smart_flush(info))
440 pr_err("%s: timed out\n", __func__);
441 }
442
ltm020d550_update(struct fb_info * info)443 static void ltm020d550_update(struct fb_info *info)
444 {
445 pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
446 pxafb_smart_flush(info);
447 }
448
449 static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
450 [0] = {
451 .xres = 240,
452 .yres = 320,
453 .bpp = 16,
454 .a0csrd_set_hld = 30,
455 .a0cswr_set_hld = 30,
456 .wr_pulse_width = 30,
457 .rd_pulse_width = 170,
458 .op_hold_time = 30,
459 .cmd_inh_time = 60,
460
461 /* L_LCLK_A0 and L_LCLK_RD active low */
462 .sync = FB_SYNC_HOR_HIGH_ACT |
463 FB_SYNC_VERT_HIGH_ACT,
464 },
465 };
466
467 static struct pxafb_mach_info tavorevb_lcd_info = {
468 .modes = toshiba_ltm020d550_modes,
469 .num_modes = 1,
470 .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
471 .pxafb_lcd_power = ltm020d550_lcd_power,
472 .smart_update = ltm020d550_update,
473 };
474
tavorevb_init_lcd(void)475 static void __init tavorevb_init_lcd(void)
476 {
477 pwm_add_table(tavorevb_pwm_lookup, ARRAY_SIZE(tavorevb_pwm_lookup));
478 platform_device_register(&tavorevb_backlight_devices[0]);
479 platform_device_register(&tavorevb_backlight_devices[1]);
480 pxa_set_fb_info(NULL, &tavorevb_lcd_info);
481 }
482 #else
tavorevb_init_lcd(void)483 static inline void tavorevb_init_lcd(void) {}
484 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
485
tavorevb_init(void)486 static void __init tavorevb_init(void)
487 {
488 /* initialize MFP configurations */
489 pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
490
491 pxa_set_ffuart_info(NULL);
492 pxa_set_btuart_info(NULL);
493 pxa_set_stuart_info(NULL);
494
495 platform_device_register(&smc91x_device);
496
497 tavorevb_init_lcd();
498 tavorevb_init_keypad();
499 }
500
501 MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
502 /* Maintainer: Eric Miao <eric.miao@marvell.com> */
503 .atag_offset = 0x100,
504 .map_io = pxa3xx_map_io,
505 .nr_irqs = PXA_NR_IRQS,
506 .init_irq = pxa3xx_init_irq,
507 .handle_irq = pxa3xx_handle_irq,
508 .init_time = pxa_timer_init,
509 .init_machine = tavorevb_init,
510 .restart = pxa_restart,
511 MACHINE_END
512