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tavorevb.c
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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 <linux/platform_data/video-pxafb.h>
28 #include <linux/platform_data/keypad-pxa27x.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 = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
89  .end = PXA_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  pxa_set_fb_info(NULL, &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 <[email protected]> */
492  .atag_offset = 0x100,
493  .map_io = pxa3xx_map_io,
494  .nr_irqs = PXA_NR_IRQS,
495  .init_irq = pxa3xx_init_irq,
496  .handle_irq = pxa3xx_handle_irq,
497  .timer = &pxa_timer,
498  .init_machine = tavorevb_init,
499  .restart = pxa_restart,
500 MACHINE_END
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