1/*
2 *  linux/arch/arm/mach-pxa/littleton.c
3 *
4 *  Support for the Marvell Littleton Development Platform.
5 *
6 *  Author:	Jason Chagas (largely modified code)
7 *  Created:	Nov 20, 2006
8 *  Copyright:	(C) Copyright 2006 Marvell International Ltd.
9 *
10 *  2007-11-22  modified to align with latest kernel
11 *              eric miao <eric.miao@marvell.com>
12 *
13 *  This program is free software; you can redistribute it and/or modify
14 *  it under the terms of the GNU General Public License version 2 as
15 *  publishhed by the Free Software Foundation.
16 */
17
18#include <linux/init.h>
19#include <linux/interrupt.h>
20#include <linux/delay.h>
21#include <linux/platform_device.h>
22#include <linux/clk.h>
23#include <linux/gpio.h>
24#include <linux/spi/spi.h>
25#include <linux/spi/pxa2xx_spi.h>
26#include <linux/smc91x.h>
27#include <linux/i2c.h>
28#include <linux/leds.h>
29#include <linux/mfd/da903x.h>
30#include <linux/i2c/max732x.h>
31#include <linux/i2c/pxa-i2c.h>
32
33#include <asm/types.h>
34#include <asm/setup.h>
35#include <asm/memory.h>
36#include <asm/mach-types.h>
37#include <mach/hardware.h>
38#include <asm/irq.h>
39
40#include <asm/mach/arch.h>
41#include <asm/mach/map.h>
42#include <asm/mach/irq.h>
43
44#include <mach/pxa300.h>
45#include <linux/platform_data/video-pxafb.h>
46#include <linux/platform_data/mmc-pxamci.h>
47#include <linux/platform_data/keypad-pxa27x.h>
48#include <mach/littleton.h>
49#include <linux/platform_data/mtd-nand-pxa3xx.h>
50
51#include "generic.h"
52
53#define GPIO_MMC1_CARD_DETECT	mfp_to_gpio(MFP_PIN_GPIO15)
54
55/* Littleton MFP configurations */
56static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
57	/* LCD */
58	GPIO54_LCD_LDD_0,
59	GPIO55_LCD_LDD_1,
60	GPIO56_LCD_LDD_2,
61	GPIO57_LCD_LDD_3,
62	GPIO58_LCD_LDD_4,
63	GPIO59_LCD_LDD_5,
64	GPIO60_LCD_LDD_6,
65	GPIO61_LCD_LDD_7,
66	GPIO62_LCD_LDD_8,
67	GPIO63_LCD_LDD_9,
68	GPIO64_LCD_LDD_10,
69	GPIO65_LCD_LDD_11,
70	GPIO66_LCD_LDD_12,
71	GPIO67_LCD_LDD_13,
72	GPIO68_LCD_LDD_14,
73	GPIO69_LCD_LDD_15,
74	GPIO70_LCD_LDD_16,
75	GPIO71_LCD_LDD_17,
76	GPIO72_LCD_FCLK,
77	GPIO73_LCD_LCLK,
78	GPIO74_LCD_PCLK,
79	GPIO75_LCD_BIAS,
80
81	/* SSP2 */
82	GPIO25_SSP2_SCLK,
83	GPIO27_SSP2_TXD,
84	GPIO17_GPIO,	/* SFRM as chip-select */
85
86	/* Debug Ethernet */
87	GPIO90_GPIO,
88
89	/* Keypad */
90	GPIO107_KP_DKIN_0,
91	GPIO108_KP_DKIN_1,
92	GPIO115_KP_MKIN_0,
93	GPIO116_KP_MKIN_1,
94	GPIO117_KP_MKIN_2,
95	GPIO118_KP_MKIN_3,
96	GPIO119_KP_MKIN_4,
97	GPIO120_KP_MKIN_5,
98	GPIO121_KP_MKOUT_0,
99	GPIO122_KP_MKOUT_1,
100	GPIO123_KP_MKOUT_2,
101	GPIO124_KP_MKOUT_3,
102	GPIO125_KP_MKOUT_4,
103
104	/* MMC1 */
105	GPIO3_MMC1_DAT0,
106	GPIO4_MMC1_DAT1,
107	GPIO5_MMC1_DAT2,
108	GPIO6_MMC1_DAT3,
109	GPIO7_MMC1_CLK,
110	GPIO8_MMC1_CMD,
111	GPIO15_GPIO, /* card detect */
112
113	/* UART3 */
114	GPIO107_UART3_CTS,
115	GPIO108_UART3_RTS,
116	GPIO109_UART3_TXD,
117	GPIO110_UART3_RXD,
118};
119
120static struct resource smc91x_resources[] = {
121	[0] = {
122		.start	= (LITTLETON_ETH_PHYS + 0x300),
123		.end	= (LITTLETON_ETH_PHYS + 0xfffff),
124		.flags	= IORESOURCE_MEM,
125	},
126	[1] = {
127		.start	= PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
128		.end	= PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
129		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
130	}
131};
132
133static struct smc91x_platdata littleton_smc91x_info = {
134	.flags	= SMC91X_USE_8BIT | SMC91X_USE_16BIT |
135		  SMC91X_NOWAIT | SMC91X_USE_DMA,
136};
137
138static struct platform_device smc91x_device = {
139	.name		= "smc91x",
140	.id		= 0,
141	.num_resources	= ARRAY_SIZE(smc91x_resources),
142	.resource	= smc91x_resources,
143	.dev		= {
144		.platform_data = &littleton_smc91x_info,
145	},
146};
147
148#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
149static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
150	[0] = {
151		/* VGA */
152		.pixclock	= 38250,
153		.xres		= 480,
154		.yres		= 640,
155		.bpp		= 16,
156		.hsync_len	= 8,
157		.left_margin	= 8,
158		.right_margin	= 24,
159		.vsync_len	= 2,
160		.upper_margin	= 2,
161		.lower_margin	= 4,
162		.sync		= 0,
163	},
164	[1] = {
165		/* QVGA */
166		.pixclock	= 153000,
167		.xres		= 240,
168		.yres		= 320,
169		.bpp		= 16,
170		.hsync_len	= 8,
171		.left_margin	= 8,
172		.right_margin	= 88,
173		.vsync_len	= 2,
174		.upper_margin	= 2,
175		.lower_margin	= 2,
176		.sync		= 0,
177	},
178};
179
180static struct pxafb_mach_info littleton_lcd_info = {
181	.modes			= tpo_tdo24mtea1_modes,
182	.num_modes		= 2,
183	.lcd_conn		= LCD_COLOR_TFT_16BPP,
184};
185
186static void littleton_init_lcd(void)
187{
188	pxa_set_fb_info(NULL, &littleton_lcd_info);
189}
190#else
191static inline void littleton_init_lcd(void) {};
192#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
193
194#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
195static struct pxa2xx_spi_master littleton_spi_info = {
196	.num_chipselect		= 1,
197};
198
199static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
200	.rx_threshold	= 1,
201	.tx_threshold	= 1,
202	.gpio_cs	= LITTLETON_GPIO_LCD_CS,
203};
204
205static struct spi_board_info littleton_spi_devices[] __initdata = {
206	{
207		.modalias	= "tdo24m",
208		.max_speed_hz	= 1000000,
209		.bus_num	= 2,
210		.chip_select	= 0,
211		.controller_data= &littleton_tdo24m_chip,
212	},
213};
214
215static void __init littleton_init_spi(void)
216{
217	pxa2xx_set_spi_info(2, &littleton_spi_info);
218	spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
219}
220#else
221static inline void littleton_init_spi(void) {}
222#endif
223
224#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
225static const unsigned int littleton_matrix_key_map[] = {
226	/* KEY(row, col, key_code) */
227	KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
228	KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
229	KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
230
231	KEY(0, 3, KEY_KPASTERISK), 	/* * */
232	KEY(2, 3, KEY_KPDOT), 		/* # */
233
234	KEY(5, 4, KEY_ENTER),
235
236	KEY(5, 0, KEY_UP),
237	KEY(5, 1, KEY_DOWN),
238	KEY(5, 2, KEY_LEFT),
239	KEY(5, 3, KEY_RIGHT),
240	KEY(3, 2, KEY_HOME),
241	KEY(4, 1, KEY_END),
242	KEY(3, 3, KEY_BACK),
243
244	KEY(4, 0, KEY_SEND),
245	KEY(4, 2, KEY_VOLUMEUP),
246	KEY(4, 3, KEY_VOLUMEDOWN),
247
248	KEY(3, 0, KEY_F22),	/* soft1 */
249	KEY(3, 1, KEY_F23),	/* soft2 */
250};
251
252static struct matrix_keymap_data littleton_matrix_keymap_data = {
253	.keymap			= littleton_matrix_key_map,
254	.keymap_size		= ARRAY_SIZE(littleton_matrix_key_map),
255};
256
257static struct pxa27x_keypad_platform_data littleton_keypad_info = {
258	.matrix_key_rows	= 6,
259	.matrix_key_cols	= 5,
260	.matrix_keymap_data	= &littleton_matrix_keymap_data,
261
262	.enable_rotary0		= 1,
263	.rotary0_up_key		= KEY_UP,
264	.rotary0_down_key	= KEY_DOWN,
265
266	.debounce_interval	= 30,
267};
268static void __init littleton_init_keypad(void)
269{
270	pxa_set_keypad_info(&littleton_keypad_info);
271}
272#else
273static inline void littleton_init_keypad(void) {}
274#endif
275
276#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
277static struct pxamci_platform_data littleton_mci_platform_data = {
278	.detect_delay_ms	= 200,
279	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
280	.gpio_card_detect	= GPIO_MMC1_CARD_DETECT,
281	.gpio_card_ro		= -1,
282	.gpio_power		= -1,
283};
284
285static void __init littleton_init_mmc(void)
286{
287	pxa_set_mci_info(&littleton_mci_platform_data);
288}
289#else
290static inline void littleton_init_mmc(void) {}
291#endif
292
293#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
294static struct mtd_partition littleton_nand_partitions[] = {
295	[0] = {
296		.name        = "Bootloader",
297		.offset      = 0,
298		.size        = 0x060000,
299		.mask_flags  = MTD_WRITEABLE, /* force read-only */
300	},
301	[1] = {
302		.name        = "Kernel",
303		.offset      = 0x060000,
304		.size        = 0x200000,
305		.mask_flags  = MTD_WRITEABLE, /* force read-only */
306	},
307	[2] = {
308		.name        = "Filesystem",
309		.offset      = 0x0260000,
310		.size        = 0x3000000,     /* 48M - rootfs */
311	},
312	[3] = {
313		.name        = "MassStorage",
314		.offset      = 0x3260000,
315		.size        = 0x3d40000,
316	},
317	[4] = {
318		.name        = "BBT",
319		.offset      = 0x6FA0000,
320		.size        = 0x80000,
321		.mask_flags  = MTD_WRITEABLE,  /* force read-only */
322	},
323	/* NOTE: we reserve some blocks at the end of the NAND flash for
324	 * bad block management, and the max number of relocation blocks
325	 * differs on different platforms. Please take care with it when
326	 * defining the partition table.
327	 */
328};
329
330static struct pxa3xx_nand_platform_data littleton_nand_info = {
331	.enable_arbiter	= 1,
332	.num_cs		= 1,
333	.parts[0]	= littleton_nand_partitions,
334	.nr_parts[0]	= ARRAY_SIZE(littleton_nand_partitions),
335};
336
337static void __init littleton_init_nand(void)
338{
339	pxa3xx_set_nand_info(&littleton_nand_info);
340}
341#else
342static inline void littleton_init_nand(void) {}
343#endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
344
345#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
346static struct led_info littleton_da9034_leds[] = {
347	[0] = {
348		.name	= "littleton:keypad1",
349		.flags	= DA9034_LED_RAMP,
350	},
351	[1] = {
352		.name	= "littleton:keypad2",
353		.flags	= DA9034_LED_RAMP,
354	},
355	[2] = {
356		.name	= "littleton:vibra",
357		.flags	= 0,
358	},
359};
360
361static struct da9034_touch_pdata littleton_da9034_touch = {
362	.x_inverted     = 1,
363	.interval_ms    = 20,
364};
365
366static struct da903x_subdev_info littleton_da9034_subdevs[] = {
367	{
368		.name		= "da903x-led",
369		.id		= DA9034_ID_LED_1,
370		.platform_data	= &littleton_da9034_leds[0],
371	}, {
372		.name		= "da903x-led",
373		.id		= DA9034_ID_LED_2,
374		.platform_data	= &littleton_da9034_leds[1],
375	}, {
376		.name		= "da903x-led",
377		.id		= DA9034_ID_VIBRA,
378		.platform_data	= &littleton_da9034_leds[2],
379	}, {
380		.name		= "da903x-backlight",
381		.id		= DA9034_ID_WLED,
382	}, {
383		.name		= "da9034-touch",
384		.id		= DA9034_ID_TOUCH,
385		.platform_data	= &littleton_da9034_touch,
386	},
387};
388
389static struct da903x_platform_data littleton_da9034_info = {
390	.num_subdevs	= ARRAY_SIZE(littleton_da9034_subdevs),
391	.subdevs	= littleton_da9034_subdevs,
392};
393
394static struct max732x_platform_data littleton_max7320_info = {
395	.gpio_base	= EXT0_GPIO_BASE,
396};
397
398static struct i2c_board_info littleton_i2c_info[] = {
399	[0] = {
400		.type		= "da9034",
401		.addr		= 0x34,
402		.platform_data	= &littleton_da9034_info,
403		.irq		= PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
404	},
405	[1] = {
406		.type		= "max7320",
407		.addr		= 0x50,
408		.platform_data	= &littleton_max7320_info,
409	},
410};
411
412static void __init littleton_init_i2c(void)
413{
414	pxa_set_i2c_info(NULL);
415	i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
416}
417#else
418static inline void littleton_init_i2c(void) {}
419#endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
420
421static void __init littleton_init(void)
422{
423	/* initialize MFP configurations */
424	pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
425
426	pxa_set_ffuart_info(NULL);
427	pxa_set_btuart_info(NULL);
428	pxa_set_stuart_info(NULL);
429
430	/*
431	 * Note: we depend bootloader set the correct
432	 * value to MSC register for SMC91x.
433	 */
434	platform_device_register(&smc91x_device);
435
436	littleton_init_spi();
437	littleton_init_i2c();
438	littleton_init_mmc();
439	littleton_init_lcd();
440	littleton_init_keypad();
441	littleton_init_nand();
442}
443
444MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
445	.atag_offset	= 0x100,
446	.map_io		= pxa3xx_map_io,
447	.nr_irqs	= LITTLETON_NR_IRQS,
448	.init_irq	= pxa3xx_init_irq,
449	.handle_irq	= pxa3xx_handle_irq,
450	.init_time	= pxa_timer_init,
451	.init_machine	= littleton_init,
452	.restart	= pxa_restart,
453MACHINE_END
454