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 */
34static 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
81static 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
94static struct smc91x_platdata tavorevb_smc91x_info = {
95	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
96};
97
98static 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)
109static const 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
150static struct matrix_keymap_data tavorevb_matrix_keymap_data = {
151	.keymap		= tavorevb_matrix_key_map,
152	.keymap_size	= ARRAY_SIZE(tavorevb_matrix_key_map),
153};
154
155static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
156	.matrix_key_rows	= 7,
157	.matrix_key_cols	= 7,
158	.matrix_keymap_data	= &tavorevb_matrix_keymap_data,
159	.debounce_interval	= 30,
160};
161
162static void __init tavorevb_init_keypad(void)
163{
164	pxa_set_keypad_info(&tavorevb_keypad_info);
165}
166#else
167static inline void tavorevb_init_keypad(void) {}
168#endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
169
170#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
171static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
172	[0] = {
173		/* primary backlight */
174		.pwm_id		= 2,
175		.max_brightness	= 100,
176		.dft_brightness	= 100,
177		.pwm_period_ns	= 100000,
178		.enable_gpio	= -1,
179	},
180	[1] = {
181		/* secondary backlight */
182		.pwm_id		= 0,
183		.max_brightness	= 100,
184		.dft_brightness	= 100,
185		.pwm_period_ns	= 100000,
186		.enable_gpio	= -1,
187	},
188};
189
190static struct platform_device tavorevb_backlight_devices[] = {
191	[0] = {
192		.name		= "pwm-backlight",
193		.id		= 0,
194		.dev		= {
195			.platform_data = &tavorevb_backlight_data[0],
196		},
197	},
198	[1] = {
199		.name		= "pwm-backlight",
200		.id		= 1,
201		.dev		= {
202			.platform_data = &tavorevb_backlight_data[1],
203		},
204	},
205};
206
207static uint16_t panel_init[] = {
208	/* DSTB OUT */
209	SMART_CMD(0x00),
210	SMART_CMD_NOOP,
211	SMART_DELAY(1),
212
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	/* STB OUT */
222	SMART_CMD(0x00),
223	SMART_CMD(0x1D),
224	SMART_DAT(0x00),
225	SMART_DAT(0x05),
226	SMART_DELAY(1),
227
228	/* P-ON Init sequence */
229	SMART_CMD(0x00), /* OSC ON */
230	SMART_CMD(0x00),
231	SMART_DAT(0x00),
232	SMART_DAT(0x01),
233	SMART_CMD(0x00),
234	SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
235	SMART_DAT(0x01),
236	SMART_DAT(0x27),
237	SMART_CMD(0x00),
238	SMART_CMD(0x02), /* LINE INV */
239	SMART_DAT(0x02),
240	SMART_DAT(0x00),
241	SMART_CMD(0x00),
242	SMART_CMD(0x03), /* IF mode(1) */
243	SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
244	SMART_DAT(0x30),
245	SMART_CMD(0x07),
246	SMART_CMD(0x00), /* RAM Write Mode */
247	SMART_DAT(0x00),
248	SMART_DAT(0x03),
249	SMART_CMD(0x00),
250
251	/* DISPLAY Setting,  262K, fixed(NO scroll), no split screen */
252	SMART_CMD(0x07),
253	SMART_DAT(0x40), /* 16/18/19 BPP */
254	SMART_DAT(0x00),
255	SMART_CMD(0x00),
256	SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
257	SMART_DAT(0x03),
258	SMART_DAT(0x02),
259	SMART_CMD(0x00),
260	SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
261	SMART_DAT(0x00),
262	SMART_DAT(0x00),
263	SMART_CMD(0x00),
264	SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
265	SMART_DAT(0x00),
266	SMART_DAT(0x10),
267	SMART_CMD(0x00),
268	SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
269	SMART_DAT(0x03),
270	SMART_DAT(0x02),
271	SMART_CMD(0x00),
272	SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
273	SMART_DAT(0x01),
274	SMART_DAT(0x02),
275	SMART_CMD(0x00),
276	SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
277	SMART_DAT(0x00),
278	SMART_DAT(0x00),
279	SMART_CMD(0x00),
280	SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
281	SMART_DAT(0x20),
282	SMART_DAT(0x00),
283	SMART_CMD(0x00),
284	SMART_CMD(0x1C),
285	SMART_DAT(0x00),
286	SMART_DAT(0x00),
287	SMART_CMD(0x03),
288	SMART_CMD(0x00),
289	SMART_DAT(0x04),
290	SMART_DAT(0x03),
291	SMART_CMD(0x03),
292	SMART_CMD(0x01),
293	SMART_DAT(0x03),
294	SMART_DAT(0x04),
295	SMART_CMD(0x03),
296	SMART_CMD(0x02),
297	SMART_DAT(0x04),
298	SMART_DAT(0x03),
299	SMART_CMD(0x03),
300	SMART_CMD(0x03),
301	SMART_DAT(0x03),
302	SMART_DAT(0x03),
303	SMART_CMD(0x03),
304	SMART_CMD(0x04),
305	SMART_DAT(0x01),
306	SMART_DAT(0x01),
307	SMART_CMD(0x03),
308	SMART_CMD(0x05),
309	SMART_DAT(0x00),
310	SMART_DAT(0x00),
311	SMART_CMD(0x04),
312	SMART_CMD(0x02),
313	SMART_DAT(0x00),
314	SMART_DAT(0x00),
315	SMART_CMD(0x04),
316	SMART_CMD(0x03),
317	SMART_DAT(0x01),
318	SMART_DAT(0x3F),
319	SMART_DELAY(0),
320
321	/* DISP RAM setting: 240*320 */
322	SMART_CMD(0x04), /* HADDR, START 0 */
323	SMART_CMD(0x06),
324	SMART_DAT(0x00),
325	SMART_DAT(0x00), /* x1,3 */
326	SMART_CMD(0x04), /* HADDR,  END   4 */
327	SMART_CMD(0x07),
328	SMART_DAT(0x00),
329	SMART_DAT(0xEF), /* x2, 7 */
330	SMART_CMD(0x04), /* VADDR, START 8 */
331	SMART_CMD(0x08),
332	SMART_DAT(0x00), /* y1, 10 */
333	SMART_DAT(0x00), /* y1, 11 */
334	SMART_CMD(0x04), /* VADDR, END 12 */
335	SMART_CMD(0x09),
336	SMART_DAT(0x01), /* y2, 14 */
337	SMART_DAT(0x3F), /* y2, 15 */
338	SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
339	SMART_CMD(0x00),
340	SMART_DAT(0x00),
341	SMART_DAT(0x00), /* x1, 19 */
342	SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
343	SMART_CMD(0x01),
344	SMART_DAT(0x00), /* y1, 22 */
345	SMART_DAT(0x00), /* y1, 23 */
346};
347
348static uint16_t panel_on[] = {
349	/* Power-IC ON */
350	SMART_CMD(0x01),
351	SMART_CMD(0x02),
352	SMART_DAT(0x07),
353	SMART_DAT(0x7D),
354	SMART_CMD(0x01),
355	SMART_CMD(0x03),
356	SMART_DAT(0x00),
357	SMART_DAT(0x05),
358	SMART_CMD(0x01),
359	SMART_CMD(0x04),
360	SMART_DAT(0x00),
361	SMART_DAT(0x00),
362	SMART_CMD(0x01),
363	SMART_CMD(0x05),
364	SMART_DAT(0x00),
365	SMART_DAT(0x15),
366	SMART_CMD(0x01),
367	SMART_CMD(0x00),
368	SMART_DAT(0xC0),
369	SMART_DAT(0x10),
370	SMART_DELAY(30),
371
372	/* DISP ON */
373	SMART_CMD(0x01),
374	SMART_CMD(0x01),
375	SMART_DAT(0x00),
376	SMART_DAT(0x01),
377	SMART_CMD(0x01),
378	SMART_CMD(0x00),
379	SMART_DAT(0xFF),
380	SMART_DAT(0xFE),
381	SMART_DELAY(150),
382};
383
384static uint16_t panel_off[] = {
385	SMART_CMD(0x00),
386	SMART_CMD(0x1E),
387	SMART_DAT(0x00),
388	SMART_DAT(0x0A),
389	SMART_CMD(0x01),
390	SMART_CMD(0x00),
391	SMART_DAT(0xFF),
392	SMART_DAT(0xEE),
393	SMART_CMD(0x01),
394	SMART_CMD(0x00),
395	SMART_DAT(0xF8),
396	SMART_DAT(0x12),
397	SMART_CMD(0x01),
398	SMART_CMD(0x00),
399	SMART_DAT(0xE8),
400	SMART_DAT(0x11),
401	SMART_CMD(0x01),
402	SMART_CMD(0x00),
403	SMART_DAT(0xC0),
404	SMART_DAT(0x11),
405	SMART_CMD(0x01),
406	SMART_CMD(0x00),
407	SMART_DAT(0x40),
408	SMART_DAT(0x11),
409	SMART_CMD(0x01),
410	SMART_CMD(0x00),
411	SMART_DAT(0x00),
412	SMART_DAT(0x10),
413};
414
415static uint16_t update_framedata[] = {
416	/* write ram */
417	SMART_CMD(0x02),
418	SMART_CMD(0x02),
419
420	/* write frame data */
421	SMART_CMD_WRITE_FRAME,
422};
423
424static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
425{
426	struct fb_info *info = container_of(var, struct fb_info, var);
427
428	if (on) {
429		pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
430		pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
431	} else {
432		pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
433	}
434
435	if (pxafb_smart_flush(info))
436		pr_err("%s: timed out\n", __func__);
437}
438
439static void ltm020d550_update(struct fb_info *info)
440{
441	pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
442	pxafb_smart_flush(info);
443}
444
445static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
446	[0] = {
447		.xres			= 240,
448		.yres			= 320,
449		.bpp			= 16,
450		.a0csrd_set_hld		= 30,
451		.a0cswr_set_hld		= 30,
452		.wr_pulse_width		= 30,
453		.rd_pulse_width 	= 170,
454		.op_hold_time 		= 30,
455		.cmd_inh_time		= 60,
456
457		/* L_LCLK_A0 and L_LCLK_RD active low */
458		.sync			= FB_SYNC_HOR_HIGH_ACT |
459					  FB_SYNC_VERT_HIGH_ACT,
460	},
461};
462
463static struct pxafb_mach_info tavorevb_lcd_info = {
464	.modes			= toshiba_ltm020d550_modes,
465	.num_modes		= 1,
466	.lcd_conn		= LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
467	.pxafb_lcd_power	= ltm020d550_lcd_power,
468	.smart_update		= ltm020d550_update,
469};
470
471static void __init tavorevb_init_lcd(void)
472{
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
478static inline void tavorevb_init_lcd(void) {}
479#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
480
481static 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
496MACHINE_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,
506MACHINE_END
507