1 /*
2 * Hardware definitions for Palm Tungsten|T5
3 *
4 * Author: Marek Vasut <marek.vasut@gmail.com>
5 *
6 * Based on work of:
7 * Ales Snuparek <snuparek@atlas.cz>
8 * Justin Kendrick <twilightsentry@gmail.com>
9 * RichardT5 <richard_t5@users.sourceforge.net>
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>
39 #include <mach/mmc.h>
40 #include <mach/pxafb.h>
41 #include <mach/irda.h>
42 #include <plat/pxa27x_keypad.h>
43 #include <mach/udc.h>
44 #include <mach/palmasoc.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 */
55 GPIO32_MMC_CLK,
56 GPIO92_MMC_DAT_0,
57 GPIO109_MMC_DAT_1,
58 GPIO110_MMC_DAT_2,
59 GPIO111_MMC_DAT_3,
60 GPIO112_MMC_CMD,
61 GPIO14_GPIO, /* SD detect */
62 GPIO114_GPIO, /* SD power */
63 GPIO115_GPIO, /* SD r/o switch */
64
65 /* AC97 */
66 GPIO28_AC97_BITCLK,
67 GPIO29_AC97_SDATA_IN_0,
68 GPIO30_AC97_SDATA_OUT,
69 GPIO31_AC97_SYNC,
70 GPIO89_AC97_SYSCLK,
71 GPIO95_AC97_nRESET,
72
73 /* IrDA */
74 GPIO40_GPIO, /* ir disable */
75 GPIO46_FICP_RXD,
76 GPIO47_FICP_TXD,
77
78 /* USB */
79 GPIO15_GPIO, /* usb detect */
80 GPIO93_GPIO, /* usb power */
81
82 /* MATRIX KEYPAD */
83 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
84 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
85 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
86 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
87 GPIO103_KP_MKOUT_0,
88 GPIO104_KP_MKOUT_1,
89 GPIO105_KP_MKOUT_2,
90
91 /* LCD */
92 GPIOxx_LCD_TFT_16BPP,
93
94 /* PWM */
95 GPIO16_PWM0_OUT,
96
97 /* FFUART */
98 GPIO34_FFUART_RXD,
99 GPIO39_FFUART_TXD,
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
palmt5_kpc_init(void)136 static void __init palmt5_kpc_init(void)
137 {
138 pxa_set_keypad_info(&palmt5_keypad_platform_data);
139 }
140 #else
palmt5_kpc_init(void)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
palmt5_keys_init(void)165 static void __init palmt5_keys_init(void)
166 {
167 platform_device_register(&palmt5_pxa_keys);
168 }
169 #else
palmt5_keys_init(void)170 static inline void palmt5_keys_init(void) {}
171 #endif
172
173 /******************************************************************************
174 * Machine init
175 ******************************************************************************/
palmt5_reserve(void)176 static void __init palmt5_reserve(void)
177 {
178 memblock_reserve(0xa0200000, 0x1000);
179 }
180
palmt5_init(void)181 static void __init palmt5_init(void)
182 {
183 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
184 pxa_set_ffuart_info(NULL);
185 pxa_set_btuart_info(NULL);
186 pxa_set_stuart_info(NULL);
187
188 palm27x_mmc_init(GPIO_NR_PALMT5_SD_DETECT_N, GPIO_NR_PALMT5_SD_READONLY,
189 GPIO_NR_PALMT5_SD_POWER, 0);
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,
193 GPIO_NR_PALMT5_USB_PULLUP, 1);
194 palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
195 palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
196 GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
197 palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
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 .init_irq = pxa27x_init_irq,
209 .handle_irq = pxa27x_handle_irq,
210 .timer = &pxa_timer,
211 .init_machine = palmt5_init,
212 .restart = pxa_restart,
213 MACHINE_END
214