1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-pxa/tavorevb.c
4 *
5 * Support for the Marvell PXA930 Evaluation Board
6 *
7 * Copyright (C) 2007-2008 Marvell International Ltd.
8 */
9
10 #include <linux/module.h>
11 #include <linux/kernel.h>
12 #include <linux/interrupt.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/clk.h>
16 #include <linux/gpio.h>
17 #include <linux/smc91x.h>
18 #include <linux/pwm.h>
19 #include <linux/pwm_backlight.h>
20
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23
24 #include "pxa930.h"
25 #include <linux/platform_data/video-pxafb.h>
26 #include <linux/platform_data/keypad-pxa27x.h>
27
28 #include "devices.h"
29 #include "generic.h"
30
31 /* Tavor EVB MFP configurations */
32 static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = {
33 /* Ethernet */
34 DF_nCS1_nCS3,
35 GPIO47_GPIO,
36
37 /* LCD */
38 GPIO23_LCD_DD0,
39 GPIO24_LCD_DD1,
40 GPIO25_LCD_DD2,
41 GPIO26_LCD_DD3,
42 GPIO27_LCD_DD4,
43 GPIO28_LCD_DD5,
44 GPIO29_LCD_DD6,
45 GPIO44_LCD_DD7,
46 GPIO21_LCD_CS,
47 GPIO22_LCD_CS2,
48
49 GPIO17_LCD_FCLK_RD,
50 GPIO18_LCD_LCLK_A0,
51 GPIO19_LCD_PCLK_WR,
52
53 /* LCD Backlight */
54 GPIO43_PWM3, /* primary backlight */
55 GPIO32_PWM0, /* secondary backlight */
56
57 /* Keypad */
58 GPIO0_KP_MKIN_0,
59 GPIO2_KP_MKIN_1,
60 GPIO4_KP_MKIN_2,
61 GPIO6_KP_MKIN_3,
62 GPIO8_KP_MKIN_4,
63 GPIO10_KP_MKIN_5,
64 GPIO12_KP_MKIN_6,
65 GPIO1_KP_MKOUT_0,
66 GPIO3_KP_MKOUT_1,
67 GPIO5_KP_MKOUT_2,
68 GPIO7_KP_MKOUT_3,
69 GPIO9_KP_MKOUT_4,
70 GPIO11_KP_MKOUT_5,
71 GPIO13_KP_MKOUT_6,
72
73 GPIO14_KP_DKIN_2,
74 GPIO15_KP_DKIN_3,
75 };
76
77 #define TAVOREVB_ETH_PHYS (0x14000000)
78
79 static struct resource smc91x_resources[] = {
80 [0] = {
81 .start = (TAVOREVB_ETH_PHYS + 0x300),
82 .end = (TAVOREVB_ETH_PHYS + 0xfffff),
83 .flags = IORESOURCE_MEM,
84 },
85 [1] = {
86 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
87 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
88 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
89 }
90 };
91
92 static struct smc91x_platdata tavorevb_smc91x_info = {
93 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
94 };
95
96 static struct platform_device smc91x_device = {
97 .name = "smc91x",
98 .id = 0,
99 .num_resources = ARRAY_SIZE(smc91x_resources),
100 .resource = smc91x_resources,
101 .dev = {
102 .platform_data = &tavorevb_smc91x_info,
103 },
104 };
105
106 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
107 static const unsigned int tavorevb_matrix_key_map[] = {
108 /* KEY(row, col, key_code) */
109 KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C),
110 KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G),
111 KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K),
112 KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O),
113 KEY(4, 5, KEY_R), KEY(4, 6, KEY_S),
114 KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W),
115
116 KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z),
117
118 KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3),
119 KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7),
120 KEY(1, 3, KEY_8), KEY(0, 2, KEY_9),
121
122 KEY(6, 6, KEY_SPACE),
123 KEY(0, 0, KEY_KPASTERISK), /* * */
124 KEY(0, 1, KEY_KPDOT), /* # */
125
126 KEY(4, 1, KEY_UP),
127 KEY(4, 3, KEY_DOWN),
128 KEY(4, 0, KEY_LEFT),
129 KEY(4, 2, KEY_RIGHT),
130 KEY(6, 0, KEY_HOME),
131 KEY(3, 2, KEY_END),
132 KEY(6, 1, KEY_DELETE),
133 KEY(5, 2, KEY_BACK),
134 KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */
135
136 KEY(4, 4, KEY_ENTER), /* scroll push */
137 KEY(6, 2, KEY_ENTER), /* keypad action */
138
139 KEY(3, 1, KEY_SEND),
140 KEY(5, 3, KEY_RECORD),
141 KEY(5, 0, KEY_VOLUMEUP),
142 KEY(5, 1, KEY_VOLUMEDOWN),
143
144 KEY(3, 0, KEY_F22), /* soft1 */
145 KEY(3, 3, KEY_F23), /* soft2 */
146 };
147
148 static struct matrix_keymap_data tavorevb_matrix_keymap_data = {
149 .keymap = tavorevb_matrix_key_map,
150 .keymap_size = ARRAY_SIZE(tavorevb_matrix_key_map),
151 };
152
153 static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
154 .matrix_key_rows = 7,
155 .matrix_key_cols = 7,
156 .matrix_keymap_data = &tavorevb_matrix_keymap_data,
157 .debounce_interval = 30,
158 };
159
tavorevb_init_keypad(void)160 static void __init tavorevb_init_keypad(void)
161 {
162 pxa_set_keypad_info(&tavorevb_keypad_info);
163 }
164 #else
tavorevb_init_keypad(void)165 static inline void tavorevb_init_keypad(void) {}
166 #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
167
168 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
169 static struct pwm_lookup tavorevb_pwm_lookup[] = {
170 PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 100000,
171 PWM_POLARITY_NORMAL),
172 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.1", NULL, 100000,
173 PWM_POLARITY_NORMAL),
174 };
175
176 static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
177 [0] = {
178 /* primary backlight */
179 .max_brightness = 100,
180 .dft_brightness = 100,
181 },
182 [1] = {
183 /* secondary backlight */
184 .max_brightness = 100,
185 .dft_brightness = 100,
186 },
187 };
188
189 static struct platform_device tavorevb_backlight_devices[] = {
190 [0] = {
191 .name = "pwm-backlight",
192 .id = 0,
193 .dev = {
194 .platform_data = &tavorevb_backlight_data[0],
195 },
196 },
197 [1] = {
198 .name = "pwm-backlight",
199 .id = 1,
200 .dev = {
201 .platform_data = &tavorevb_backlight_data[1],
202 },
203 },
204 };
205
206 static uint16_t panel_init[] = {
207 /* DSTB OUT */
208 SMART_CMD(0x00),
209 SMART_CMD_NOOP,
210 SMART_DELAY(1),
211
212 SMART_CMD(0x00),
213 SMART_CMD_NOOP,
214 SMART_DELAY(1),
215
216 SMART_CMD(0x00),
217 SMART_CMD_NOOP,
218 SMART_DELAY(1),
219
220 /* STB OUT */
221 SMART_CMD(0x00),
222 SMART_CMD(0x1D),
223 SMART_DAT(0x00),
224 SMART_DAT(0x05),
225 SMART_DELAY(1),
226
227 /* P-ON Init sequence */
228 SMART_CMD(0x00), /* OSC ON */
229 SMART_CMD(0x00),
230 SMART_DAT(0x00),
231 SMART_DAT(0x01),
232 SMART_CMD(0x00),
233 SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
234 SMART_DAT(0x01),
235 SMART_DAT(0x27),
236 SMART_CMD(0x00),
237 SMART_CMD(0x02), /* LINE INV */
238 SMART_DAT(0x02),
239 SMART_DAT(0x00),
240 SMART_CMD(0x00),
241 SMART_CMD(0x03), /* IF mode(1) */
242 SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
243 SMART_DAT(0x30),
244 SMART_CMD(0x07),
245 SMART_CMD(0x00), /* RAM Write Mode */
246 SMART_DAT(0x00),
247 SMART_DAT(0x03),
248 SMART_CMD(0x00),
249
250 /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */
251 SMART_CMD(0x07),
252 SMART_DAT(0x40), /* 16/18/19 BPP */
253 SMART_DAT(0x00),
254 SMART_CMD(0x00),
255 SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
256 SMART_DAT(0x03),
257 SMART_DAT(0x02),
258 SMART_CMD(0x00),
259 SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
260 SMART_DAT(0x00),
261 SMART_DAT(0x00),
262 SMART_CMD(0x00),
263 SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
264 SMART_DAT(0x00),
265 SMART_DAT(0x10),
266 SMART_CMD(0x00),
267 SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
268 SMART_DAT(0x03),
269 SMART_DAT(0x02),
270 SMART_CMD(0x00),
271 SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
272 SMART_DAT(0x01),
273 SMART_DAT(0x02),
274 SMART_CMD(0x00),
275 SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
276 SMART_DAT(0x00),
277 SMART_DAT(0x00),
278 SMART_CMD(0x00),
279 SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
280 SMART_DAT(0x20),
281 SMART_DAT(0x00),
282 SMART_CMD(0x00),
283 SMART_CMD(0x1C),
284 SMART_DAT(0x00),
285 SMART_DAT(0x00),
286 SMART_CMD(0x03),
287 SMART_CMD(0x00),
288 SMART_DAT(0x04),
289 SMART_DAT(0x03),
290 SMART_CMD(0x03),
291 SMART_CMD(0x01),
292 SMART_DAT(0x03),
293 SMART_DAT(0x04),
294 SMART_CMD(0x03),
295 SMART_CMD(0x02),
296 SMART_DAT(0x04),
297 SMART_DAT(0x03),
298 SMART_CMD(0x03),
299 SMART_CMD(0x03),
300 SMART_DAT(0x03),
301 SMART_DAT(0x03),
302 SMART_CMD(0x03),
303 SMART_CMD(0x04),
304 SMART_DAT(0x01),
305 SMART_DAT(0x01),
306 SMART_CMD(0x03),
307 SMART_CMD(0x05),
308 SMART_DAT(0x00),
309 SMART_DAT(0x00),
310 SMART_CMD(0x04),
311 SMART_CMD(0x02),
312 SMART_DAT(0x00),
313 SMART_DAT(0x00),
314 SMART_CMD(0x04),
315 SMART_CMD(0x03),
316 SMART_DAT(0x01),
317 SMART_DAT(0x3F),
318 SMART_DELAY(0),
319
320 /* DISP RAM setting: 240*320 */
321 SMART_CMD(0x04), /* HADDR, START 0 */
322 SMART_CMD(0x06),
323 SMART_DAT(0x00),
324 SMART_DAT(0x00), /* x1,3 */
325 SMART_CMD(0x04), /* HADDR, END 4 */
326 SMART_CMD(0x07),
327 SMART_DAT(0x00),
328 SMART_DAT(0xEF), /* x2, 7 */
329 SMART_CMD(0x04), /* VADDR, START 8 */
330 SMART_CMD(0x08),
331 SMART_DAT(0x00), /* y1, 10 */
332 SMART_DAT(0x00), /* y1, 11 */
333 SMART_CMD(0x04), /* VADDR, END 12 */
334 SMART_CMD(0x09),
335 SMART_DAT(0x01), /* y2, 14 */
336 SMART_DAT(0x3F), /* y2, 15 */
337 SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
338 SMART_CMD(0x00),
339 SMART_DAT(0x00),
340 SMART_DAT(0x00), /* x1, 19 */
341 SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
342 SMART_CMD(0x01),
343 SMART_DAT(0x00), /* y1, 22 */
344 SMART_DAT(0x00), /* y1, 23 */
345 };
346
347 static uint16_t panel_on[] = {
348 /* Power-IC ON */
349 SMART_CMD(0x01),
350 SMART_CMD(0x02),
351 SMART_DAT(0x07),
352 SMART_DAT(0x7D),
353 SMART_CMD(0x01),
354 SMART_CMD(0x03),
355 SMART_DAT(0x00),
356 SMART_DAT(0x05),
357 SMART_CMD(0x01),
358 SMART_CMD(0x04),
359 SMART_DAT(0x00),
360 SMART_DAT(0x00),
361 SMART_CMD(0x01),
362 SMART_CMD(0x05),
363 SMART_DAT(0x00),
364 SMART_DAT(0x15),
365 SMART_CMD(0x01),
366 SMART_CMD(0x00),
367 SMART_DAT(0xC0),
368 SMART_DAT(0x10),
369 SMART_DELAY(30),
370
371 /* DISP ON */
372 SMART_CMD(0x01),
373 SMART_CMD(0x01),
374 SMART_DAT(0x00),
375 SMART_DAT(0x01),
376 SMART_CMD(0x01),
377 SMART_CMD(0x00),
378 SMART_DAT(0xFF),
379 SMART_DAT(0xFE),
380 SMART_DELAY(150),
381 };
382
383 static uint16_t panel_off[] = {
384 SMART_CMD(0x00),
385 SMART_CMD(0x1E),
386 SMART_DAT(0x00),
387 SMART_DAT(0x0A),
388 SMART_CMD(0x01),
389 SMART_CMD(0x00),
390 SMART_DAT(0xFF),
391 SMART_DAT(0xEE),
392 SMART_CMD(0x01),
393 SMART_CMD(0x00),
394 SMART_DAT(0xF8),
395 SMART_DAT(0x12),
396 SMART_CMD(0x01),
397 SMART_CMD(0x00),
398 SMART_DAT(0xE8),
399 SMART_DAT(0x11),
400 SMART_CMD(0x01),
401 SMART_CMD(0x00),
402 SMART_DAT(0xC0),
403 SMART_DAT(0x11),
404 SMART_CMD(0x01),
405 SMART_CMD(0x00),
406 SMART_DAT(0x40),
407 SMART_DAT(0x11),
408 SMART_CMD(0x01),
409 SMART_CMD(0x00),
410 SMART_DAT(0x00),
411 SMART_DAT(0x10),
412 };
413
414 static uint16_t update_framedata[] = {
415 /* write ram */
416 SMART_CMD(0x02),
417 SMART_CMD(0x02),
418
419 /* write frame data */
420 SMART_CMD_WRITE_FRAME,
421 };
422
ltm020d550_lcd_power(int on,struct fb_var_screeninfo * var)423 static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
424 {
425 struct fb_info *info = container_of(var, struct fb_info, var);
426
427 if (on) {
428 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
429 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
430 } else {
431 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
432 }
433
434 if (pxafb_smart_flush(info))
435 pr_err("%s: timed out\n", __func__);
436 }
437
ltm020d550_update(struct fb_info * info)438 static void ltm020d550_update(struct fb_info *info)
439 {
440 pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
441 pxafb_smart_flush(info);
442 }
443
444 static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
445 [0] = {
446 .xres = 240,
447 .yres = 320,
448 .bpp = 16,
449 .a0csrd_set_hld = 30,
450 .a0cswr_set_hld = 30,
451 .wr_pulse_width = 30,
452 .rd_pulse_width = 170,
453 .op_hold_time = 30,
454 .cmd_inh_time = 60,
455
456 /* L_LCLK_A0 and L_LCLK_RD active low */
457 .sync = FB_SYNC_HOR_HIGH_ACT |
458 FB_SYNC_VERT_HIGH_ACT,
459 },
460 };
461
462 static struct pxafb_mach_info tavorevb_lcd_info = {
463 .modes = toshiba_ltm020d550_modes,
464 .num_modes = 1,
465 .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
466 .pxafb_lcd_power = ltm020d550_lcd_power,
467 .smart_update = ltm020d550_update,
468 };
469
tavorevb_init_lcd(void)470 static void __init tavorevb_init_lcd(void)
471 {
472 pwm_add_table(tavorevb_pwm_lookup, ARRAY_SIZE(tavorevb_pwm_lookup));
473 platform_device_register(&tavorevb_backlight_devices[0]);
474 platform_device_register(&tavorevb_backlight_devices[1]);
475 pxa_set_fb_info(NULL, &tavorevb_lcd_info);
476 }
477 #else
tavorevb_init_lcd(void)478 static inline void tavorevb_init_lcd(void) {}
479 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
480
tavorevb_init(void)481 static void __init tavorevb_init(void)
482 {
483 /* initialize MFP configurations */
484 pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
485
486 pxa_set_ffuart_info(NULL);
487 pxa_set_btuart_info(NULL);
488 pxa_set_stuart_info(NULL);
489
490 platform_device_register(&smc91x_device);
491
492 tavorevb_init_lcd();
493 tavorevb_init_keypad();
494 }
495
496 MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
497 /* Maintainer: Eric Miao <eric.miao@marvell.com> */
498 .atag_offset = 0x100,
499 .map_io = pxa3xx_map_io,
500 .nr_irqs = PXA_NR_IRQS,
501 .init_irq = pxa3xx_init_irq,
502 .handle_irq = pxa3xx_handle_irq,
503 .init_time = pxa_timer_init,
504 .init_machine = tavorevb_init,
505 .restart = pxa_restart,
506 MACHINE_END
507