2 * Copyright (C) ST-Ericsson SA 2010
4 * License Terms: GNU General Public License v2
6 * Keypad layouts for various boards
10 #include <linux/gpio.h>
11 #include <linux/interrupt.h>
12 #include <linux/platform_device.h>
13 #include <linux/mfd/stmpe.h>
14 #include <linux/mfd/tc3589x.h>
15 #include <linux/input/matrix_keypad.h>
17 #include <plat/pincfg.h>
20 #include <mach/devices.h>
21 #include <mach/hardware.h>
23 #include "devices-db8500.h"
24 #include "board-mop500.h"
26 /* STMPE/SKE keypad use this key layout */
27 static const unsigned int mop500_keymap[] = {
30 KEY(3, 5, KEY_VOLUMEDOWN),
44 KEY(4, 2, KEY_VOLUMEUP),
50 static const struct matrix_keymap_data mop500_keymap_data = {
51 .keymap = mop500_keymap,
52 .keymap_size = ARRAY_SIZE(mop500_keymap),
58 #define ROW_PIN_I0 164
59 #define ROW_PIN_I1 163
60 #define ROW_PIN_I2 162
61 #define ROW_PIN_I3 161
62 #define ROW_PIN_I4 156
63 #define ROW_PIN_I5 155
64 #define ROW_PIN_I6 154
65 #define ROW_PIN_I7 153
66 #define COL_PIN_O0 168
67 #define COL_PIN_O1 167
68 #define COL_PIN_O2 166
69 #define COL_PIN_O3 165
70 #define COL_PIN_O4 160
71 #define COL_PIN_O5 159
72 #define COL_PIN_O6 158
73 #define COL_PIN_O7 157
75 #define SKE_KPD_MAX_ROWS 8
76 #define SKE_KPD_MAX_COLS 8
78 static int ske_kp_rows[] = {
79 ROW_PIN_I0, ROW_PIN_I1, ROW_PIN_I2, ROW_PIN_I3,
80 ROW_PIN_I4, ROW_PIN_I5, ROW_PIN_I6, ROW_PIN_I7,
84 * ske_set_gpio_row: request and set gpio rows
86 static int ske_set_gpio_row(int gpio)
90 ret = gpio_request(gpio, "ske-kp");
92 pr_err("ske_set_gpio_row: gpio request failed\n");
96 ret = gpio_direction_output(gpio, 1);
98 pr_err("ske_set_gpio_row: gpio direction failed\n");
106 * ske_kp_init - enable the gpio configuration
108 static int ske_kp_init(void)
112 for (i = 0; i < SKE_KPD_MAX_ROWS; i++) {
113 ret = ske_set_gpio_row(ske_kp_rows[i]);
115 pr_err("ske_kp_init: failed init\n");
123 static struct ske_keypad_platform_data ske_keypad_board = {
125 .keymap_data = &mop500_keymap_data,
126 .no_autorepeat = true,
127 .krow = SKE_KPD_MAX_ROWS, /* 8x8 matrix */
128 .kcol = SKE_KPD_MAX_COLS,
129 .debounce_ms = 40, /* in millisecs */
135 static struct stmpe_keypad_platform_data stmpe1601_keypad_data = {
138 .no_autorepeat = true,
139 .keymap_data = &mop500_keymap_data,
142 static struct stmpe_platform_data stmpe1601_data = {
144 .blocks = STMPE_BLOCK_KEYPAD,
145 .irq_trigger = IRQF_TRIGGER_FALLING,
146 .irq_base = MOP500_STMPE1601_IRQ(0),
147 .keypad = &stmpe1601_keypad_data,
149 .autosleep_timeout = 1024,
152 static struct i2c_board_info mop500_i2c0_devices_stuib[] = {
154 I2C_BOARD_INFO("stmpe1601", 0x40),
155 .irq = NOMADIK_GPIO_TO_IRQ(218),
156 .platform_data = &stmpe1601_data,
157 .flags = I2C_CLIENT_WAKE,
165 static const unsigned int uib_keymap[] = {
167 KEY(4, 1, KEY_POWER),
168 KEY(6, 4, KEY_VOLUMEDOWN),
169 KEY(4, 2, KEY_EMAIL),
170 KEY(3, 3, KEY_RIGHT),
171 KEY(2, 5, KEY_BACKSPACE),
174 KEY(5, 0, KEY_ENTER),
182 KEY(6, 2, KEY_VOLUMEUP),
183 KEY(1, 3, KEY_SPACE),
185 KEY(5, 5, KEY_SEARCH),
188 static struct matrix_keymap_data uib_keymap_data = {
189 .keymap = uib_keymap,
190 .keymap_size = ARRAY_SIZE(uib_keymap),
193 static struct tc3589x_keypad_platform_data tc35893_data = {
195 .kcol = TC_KPD_COLUMNS,
196 .debounce_period = TC_KPD_DEBOUNCE_PERIOD,
197 .settle_time = TC_KPD_SETTLE_TIME,
198 .irqtype = IRQF_TRIGGER_FALLING,
199 .enable_wakeup = true,
200 .keymap_data = &uib_keymap_data,
201 .no_autorepeat = true,
204 static struct tc3589x_platform_data tc3589x_keypad_data = {
205 .block = TC3589x_BLOCK_KEYPAD,
206 .keypad = &tc35893_data,
207 .irq_base = MOP500_EGPIO_IRQ_BASE,
210 static struct i2c_board_info mop500_i2c0_devices_uib[] = {
212 I2C_BOARD_INFO("tc3589x", 0x44),
213 .platform_data = &tc3589x_keypad_data,
214 .irq = NOMADIK_GPIO_TO_IRQ(218),
215 .flags = I2C_CLIENT_WAKE,
219 void mop500_keypad_init(void)
221 db8500_add_ske_keypad(&ske_keypad_board);
223 i2c_register_board_info(0, mop500_i2c0_devices_stuib,
224 ARRAY_SIZE(mop500_i2c0_devices_stuib));
226 i2c_register_board_info(0, mop500_i2c0_devices_uib,
227 ARRAY_SIZE(mop500_i2c0_devices_uib));