GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / mach-pxa / palmt5.c
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 "pxa27x.h"
37 #include <mach/audio.h>
38 #include "palmt5.h"
39 #include <linux/platform_data/mmc-pxamci.h>
40 #include <linux/platform_data/video-pxafb.h>
41 #include <linux/platform_data/irda-pxaficp.h>
42 #include <linux/platform_data/keypad-pxa27x.h>
43 #include "udc.h"
44 #include <linux/platform_data/asoc-palm27x.h>
45 #include "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 const 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 matrix_keymap_data palmt5_matrix_keymap_data = {
128         .keymap                 = palmt5_matrix_keys,
129         .keymap_size            = ARRAY_SIZE(palmt5_matrix_keys),
130 };
131
132 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
133         .matrix_key_rows        = 4,
134         .matrix_key_cols        = 3,
135         .matrix_keymap_data     = &palmt5_matrix_keymap_data,
136
137         .debounce_interval      = 30,
138 };
139
140 static void __init palmt5_kpc_init(void)
141 {
142         pxa_set_keypad_info(&palmt5_keypad_platform_data);
143 }
144 #else
145 static inline void palmt5_kpc_init(void) {}
146 #endif
147
148 /******************************************************************************
149  * GPIO keys
150  ******************************************************************************/
151 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
152 static struct gpio_keys_button palmt5_pxa_buttons[] = {
153         {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
154 };
155
156 static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
157         .buttons        = palmt5_pxa_buttons,
158         .nbuttons       = ARRAY_SIZE(palmt5_pxa_buttons),
159 };
160
161 static struct platform_device palmt5_pxa_keys = {
162         .name   = "gpio-keys",
163         .id     = -1,
164         .dev    = {
165                 .platform_data = &palmt5_pxa_keys_data,
166         },
167 };
168
169 static void __init palmt5_keys_init(void)
170 {
171         platform_device_register(&palmt5_pxa_keys);
172 }
173 #else
174 static inline void palmt5_keys_init(void) {}
175 #endif
176
177 /******************************************************************************
178  * Machine init
179  ******************************************************************************/
180 static void __init palmt5_reserve(void)
181 {
182         memblock_reserve(0xa0200000, 0x1000);
183 }
184
185 static void __init palmt5_init(void)
186 {
187         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
188         pxa_set_ffuart_info(NULL);
189         pxa_set_btuart_info(NULL);
190         pxa_set_stuart_info(NULL);
191
192         palm27x_mmc_init(GPIO_NR_PALMT5_SD_DETECT_N, GPIO_NR_PALMT5_SD_READONLY,
193                         GPIO_NR_PALMT5_SD_POWER, 0);
194         palm27x_pm_init(PALMT5_STR_BASE);
195         palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
196         palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
197                         GPIO_NR_PALMT5_USB_PULLUP, 1);
198         palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
199         palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
200                         GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
201         palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
202         palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
203         palm27x_pmic_init();
204         palmt5_kpc_init();
205         palmt5_keys_init();
206 }
207
208 MACHINE_START(PALMT5, "Palm Tungsten|T5")
209         .atag_offset    = 0x100,
210         .map_io         = pxa27x_map_io,
211         .reserve        = palmt5_reserve,
212         .nr_irqs        = PXA_NR_IRQS,
213         .init_irq       = pxa27x_init_irq,
214         .handle_irq     = pxa27x_handle_irq,
215         .init_time      = pxa_timer_init,
216         .init_machine   = palmt5_init,
217         .restart        = pxa_restart,
218 MACHINE_END