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palmt5.c
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1 /*
2  * Hardware definitions for Palm Tungsten|T5
3  *
4  * Author: Marek Vasut <[email protected]>
5  *
6  * Based on work of:
7  * Ales Snuparek <[email protected]>
8  * Justin Kendrick <[email protected]>
9  * RichardT5 <[email protected]>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License version 2 as
13  * published by the Free Software Foundation.
14  *
15  * (find more info at www.hackndev.com)
16  *
17  */
18 
19 #include <linux/platform_device.h>
20 #include <linux/delay.h>
21 #include <linux/irq.h>
22 #include <linux/gpio_keys.h>
23 #include <linux/input.h>
24 #include <linux/memblock.h>
25 #include <linux/pda_power.h>
26 #include <linux/pwm_backlight.h>
27 #include <linux/gpio.h>
28 #include <linux/wm97xx.h>
29 #include <linux/power_supply.h>
30 #include <linux/usb/gpio_vbus.h>
31 
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 
36 #include <mach/pxa27x.h>
37 #include <mach/audio.h>
38 #include <mach/palmt5.h>
43 #include <mach/udc.h>
45 #include <mach/palm27x.h>
46 
47 #include "generic.h"
48 #include "devices.h"
49 
50 /******************************************************************************
51  * Pin configuration
52  ******************************************************************************/
53 static unsigned long palmt5_pin_config[] __initdata = {
54  /* MMC */
61  GPIO14_GPIO, /* SD detect */
62  GPIO114_GPIO, /* SD power */
63  GPIO115_GPIO, /* SD r/o switch */
64 
65  /* AC97 */
72 
73  /* IrDA */
74  GPIO40_GPIO, /* ir disable */
77 
78  /* USB */
79  GPIO15_GPIO, /* usb detect */
80  GPIO93_GPIO, /* usb power */
81 
82  /* MATRIX KEYPAD */
90 
91  /* LCD */
93 
94  /* PWM */
96 
97  /* FFUART */
100 
101  /* MISC */
102  GPIO10_GPIO, /* hotsync button */
103  GPIO90_GPIO, /* power detect */
104  GPIO107_GPIO, /* earphone detect */
105 };
106 
107 /******************************************************************************
108  * GPIO keyboard
109  ******************************************************************************/
110 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
111 static unsigned int palmt5_matrix_keys[] = {
112  KEY(0, 0, KEY_POWER),
113  KEY(0, 1, KEY_F1),
114  KEY(0, 2, KEY_ENTER),
115 
116  KEY(1, 0, KEY_F2),
117  KEY(1, 1, KEY_F3),
118  KEY(1, 2, KEY_F4),
119 
120  KEY(2, 0, KEY_UP),
121  KEY(2, 2, KEY_DOWN),
122 
123  KEY(3, 0, KEY_RIGHT),
124  KEY(3, 2, KEY_LEFT),
125 };
126 
127 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
128  .matrix_key_rows = 4,
129  .matrix_key_cols = 3,
130  .matrix_key_map = palmt5_matrix_keys,
131  .matrix_key_map_size = ARRAY_SIZE(palmt5_matrix_keys),
132 
133  .debounce_interval = 30,
134 };
135 
136 static void __init palmt5_kpc_init(void)
137 {
138  pxa_set_keypad_info(&palmt5_keypad_platform_data);
139 }
140 #else
141 static inline void palmt5_kpc_init(void) {}
142 #endif
143 
144 /******************************************************************************
145  * GPIO keys
146  ******************************************************************************/
147 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
148 static struct gpio_keys_button palmt5_pxa_buttons[] = {
149  {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
150 };
151 
152 static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
153  .buttons = palmt5_pxa_buttons,
154  .nbuttons = ARRAY_SIZE(palmt5_pxa_buttons),
155 };
156 
157 static struct platform_device palmt5_pxa_keys = {
158  .name = "gpio-keys",
159  .id = -1,
160  .dev = {
161  .platform_data = &palmt5_pxa_keys_data,
162  },
163 };
164 
165 static void __init palmt5_keys_init(void)
166 {
167  platform_device_register(&palmt5_pxa_keys);
168 }
169 #else
170 static inline void palmt5_keys_init(void) {}
171 #endif
172 
173 /******************************************************************************
174  * Machine init
175  ******************************************************************************/
176 static void __init palmt5_reserve(void)
177 {
178  memblock_reserve(0xa0200000, 0x1000);
179 }
180 
181 static void __init palmt5_init(void)
182 {
183  pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
187 
190  palm27x_pm_init(PALMT5_STR_BASE);
191  palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
192  palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
194  palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
198  palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
199  palm27x_pmic_init();
200  palmt5_kpc_init();
201  palmt5_keys_init();
202 }
203 
204 MACHINE_START(PALMT5, "Palm Tungsten|T5")
205  .atag_offset = 0x100,
206  .map_io = pxa27x_map_io,
207  .reserve = palmt5_reserve,
208  .nr_irqs = PXA_NR_IRQS,
209  .init_irq = pxa27x_init_irq,
210  .handle_irq = pxa27x_handle_irq,
211  .timer = &pxa_timer,
212  .init_machine = palmt5_init,
213  .restart = pxa_restart,