1/*
2 * linux/arch/arm/mach-omap1/board-palmte.c
3 *
4 * Modified from board-generic.c
5 *
6 * Support for the Palm Tungsten E PDA.
7 *
8 * Original version : Laurent Gonzalez
9 *
10 * Maintainers : http://palmtelinux.sf.net
11 *                palmtelinux-developpers@lists.sf.net
12 *
13 * Copyright (c) 2006 Andrzej Zaborowski  <balrog@zabor.org>
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License version 2 as
17 * published by the Free Software Foundation.
18 */
19#include <linux/gpio.h>
20#include <linux/kernel.h>
21#include <linux/init.h>
22#include <linux/input.h>
23#include <linux/platform_device.h>
24#include <linux/mtd/mtd.h>
25#include <linux/mtd/partitions.h>
26#include <linux/mtd/physmap.h>
27#include <linux/spi/spi.h>
28#include <linux/interrupt.h>
29#include <linux/apm-emulation.h>
30#include <linux/omapfb.h>
31#include <linux/platform_data/omap1_bl.h>
32
33#include <asm/mach-types.h>
34#include <asm/mach/arch.h>
35#include <asm/mach/map.h>
36
37#include <mach/flash.h>
38#include <mach/mux.h>
39#include <mach/tc.h>
40#include <linux/omap-dma.h>
41#include <linux/platform_data/keypad-omap.h>
42
43#include <mach/hardware.h>
44#include <mach/usb.h>
45
46#include "common.h"
47
48#define PALMTE_USBDETECT_GPIO	0
49#define PALMTE_USB_OR_DC_GPIO	1
50#define PALMTE_TSC_GPIO		4
51#define PALMTE_PINTDAV_GPIO	6
52#define PALMTE_MMC_WP_GPIO	8
53#define PALMTE_MMC_POWER_GPIO	9
54#define PALMTE_HDQ_GPIO		11
55#define PALMTE_HEADPHONES_GPIO	14
56#define PALMTE_SPEAKER_GPIO	15
57#define PALMTE_DC_GPIO		OMAP_MPUIO(2)
58#define PALMTE_MMC_SWITCH_GPIO	OMAP_MPUIO(4)
59#define PALMTE_MMC1_GPIO	OMAP_MPUIO(6)
60#define PALMTE_MMC2_GPIO	OMAP_MPUIO(7)
61#define PALMTE_MMC3_GPIO	OMAP_MPUIO(11)
62
63static const unsigned int palmte_keymap[] = {
64	KEY(0, 0, KEY_F1),		/* Calendar */
65	KEY(1, 0, KEY_F2),		/* Contacts */
66	KEY(2, 0, KEY_F3),		/* Tasks List */
67	KEY(3, 0, KEY_F4),		/* Note Pad */
68	KEY(4, 0, KEY_POWER),
69	KEY(0, 1, KEY_LEFT),
70	KEY(1, 1, KEY_DOWN),
71	KEY(2, 1, KEY_UP),
72	KEY(3, 1, KEY_RIGHT),
73	KEY(4, 1, KEY_ENTER),
74};
75
76static const struct matrix_keymap_data palmte_keymap_data = {
77	.keymap		= palmte_keymap,
78	.keymap_size	= ARRAY_SIZE(palmte_keymap),
79};
80
81static struct omap_kp_platform_data palmte_kp_data = {
82	.rows	= 8,
83	.cols	= 8,
84	.keymap_data = &palmte_keymap_data,
85	.rep	= true,
86	.delay	= 12,
87};
88
89static struct resource palmte_kp_resources[] = {
90	[0]	= {
91		.start	= INT_KEYBOARD,
92		.end	= INT_KEYBOARD,
93		.flags	= IORESOURCE_IRQ,
94	},
95};
96
97static struct platform_device palmte_kp_device = {
98	.name		= "omap-keypad",
99	.id		= -1,
100	.dev		= {
101		.platform_data	= &palmte_kp_data,
102	},
103	.num_resources	= ARRAY_SIZE(palmte_kp_resources),
104	.resource	= palmte_kp_resources,
105};
106
107static struct mtd_partition palmte_rom_partitions[] = {
108	/* PalmOS "Small ROM", contains the bootloader and the debugger */
109	{
110		.name		= "smallrom",
111		.offset		= 0,
112		.size		= 0xa000,
113		.mask_flags	= MTD_WRITEABLE,
114	},
115	/* PalmOS "Big ROM", a filesystem with all the OS code and data */
116	{
117		.name		= "bigrom",
118		.offset		= SZ_128K,
119		/*
120		 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
121		 * 0x7b0000 bytes in the English-only ("enUS") version.
122		 */
123		.size		= 0x7b0000,
124		.mask_flags	= MTD_WRITEABLE,
125	},
126};
127
128static struct physmap_flash_data palmte_rom_data = {
129	.width		= 2,
130	.set_vpp	= omap1_set_vpp,
131	.parts		= palmte_rom_partitions,
132	.nr_parts	= ARRAY_SIZE(palmte_rom_partitions),
133};
134
135static struct resource palmte_rom_resource = {
136	.start		= OMAP_CS0_PHYS,
137	.end		= OMAP_CS0_PHYS + SZ_8M - 1,
138	.flags		= IORESOURCE_MEM,
139};
140
141static struct platform_device palmte_rom_device = {
142	.name		= "physmap-flash",
143	.id		= -1,
144	.dev		= {
145		.platform_data	= &palmte_rom_data,
146	},
147	.num_resources	= 1,
148	.resource	= &palmte_rom_resource,
149};
150
151static struct platform_device palmte_lcd_device = {
152	.name		= "lcd_palmte",
153	.id		= -1,
154};
155
156static struct omap_backlight_config palmte_backlight_config = {
157	.default_intensity	= 0xa0,
158};
159
160static struct platform_device palmte_backlight_device = {
161	.name		= "omap-bl",
162	.id		= -1,
163	.dev		= {
164		.platform_data	= &palmte_backlight_config,
165	},
166};
167
168static struct platform_device *palmte_devices[] __initdata = {
169	&palmte_rom_device,
170	&palmte_kp_device,
171	&palmte_lcd_device,
172	&palmte_backlight_device,
173};
174
175static struct omap_usb_config palmte_usb_config __initdata = {
176	.register_dev	= 1,	/* Mini-B only receptacle */
177	.hmc_mode	= 0,
178	.pins[0]	= 2,
179};
180
181static struct omap_lcd_config palmte_lcd_config __initdata = {
182	.ctrl_name	= "internal",
183};
184
185static struct spi_board_info palmte_spi_info[] __initdata = {
186	{
187		.modalias	= "tsc2102",
188		.bus_num	= 2,	/* uWire (officially) */
189		.chip_select	= 0,	/* As opposed to 3 */
190		.max_speed_hz	= 8000000,
191	},
192};
193
194static void __init palmte_misc_gpio_setup(void)
195{
196	/* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
197	if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
198		printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
199		return;
200	}
201	gpio_direction_input(PALMTE_PINTDAV_GPIO);
202
203	/* Set USB-or-DC-IN pin as input (unused) */
204	if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
205		printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
206		return;
207	}
208	gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
209}
210
211static void __init omap_palmte_init(void)
212{
213	/* mux pins for uarts */
214	omap_cfg_reg(UART1_TX);
215	omap_cfg_reg(UART1_RTS);
216	omap_cfg_reg(UART2_TX);
217	omap_cfg_reg(UART2_RTS);
218	omap_cfg_reg(UART3_TX);
219	omap_cfg_reg(UART3_RX);
220
221	platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
222
223	palmte_spi_info[0].irq = gpio_to_irq(PALMTE_PINTDAV_GPIO);
224	spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
225	palmte_misc_gpio_setup();
226	omap_serial_init();
227	omap1_usb_init(&palmte_usb_config);
228	omap_register_i2c_bus(1, 100, NULL, 0);
229
230	omapfb_set_lcd_config(&palmte_lcd_config);
231}
232
233MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
234	.atag_offset	= 0x100,
235	.map_io		= omap15xx_map_io,
236	.init_early     = omap1_init_early,
237	.init_irq	= omap1_init_irq,
238	.handle_irq	= omap1_handle_irq,
239	.init_machine	= omap_palmte_init,
240	.init_late	= omap1_init_late,
241	.init_time	= omap1_timer_init,
242	.restart	= omap1_restart,
243MACHINE_END
244