Sundar Iyer | e43abe6f | 2010-12-03 20:35:36 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) ST-Ericsson SA 2010 |
| 3 | * |
| 4 | * License Terms: GNU General Public License v2 |
| 5 | * |
| 6 | * Keypad layouts for various boards |
| 7 | */ |
| 8 | |
| 9 | #include <linux/i2c.h> |
| 10 | #include <linux/gpio.h> |
| 11 | #include <linux/interrupt.h> |
| 12 | #include <linux/platform_device.h> |
| 13 | #include <linux/mfd/stmpe.h> |
Sundar Iyer | 60ebe15 | 2010-12-03 20:35:50 +0530 | [diff] [blame] | 14 | #include <linux/mfd/tc3589x.h> |
Sundar Iyer | e43abe6f | 2010-12-03 20:35:36 +0530 | [diff] [blame] | 15 | #include <linux/input/matrix_keypad.h> |
| 16 | |
| 17 | #include <plat/pincfg.h> |
| 18 | #include <plat/ske.h> |
| 19 | |
| 20 | #include <mach/devices.h> |
| 21 | #include <mach/hardware.h> |
| 22 | |
| 23 | #include "devices-db8500.h" |
| 24 | #include "board-mop500.h" |
| 25 | |
| 26 | /* STMPE/SKE keypad use this key layout */ |
| 27 | static const unsigned int mop500_keymap[] = { |
| 28 | KEY(2, 5, KEY_END), |
| 29 | KEY(4, 1, KEY_POWER), |
| 30 | KEY(3, 5, KEY_VOLUMEDOWN), |
| 31 | KEY(1, 3, KEY_3), |
| 32 | KEY(5, 2, KEY_RIGHT), |
| 33 | KEY(5, 0, KEY_9), |
| 34 | |
| 35 | KEY(0, 5, KEY_MENU), |
| 36 | KEY(7, 6, KEY_ENTER), |
| 37 | KEY(4, 5, KEY_0), |
| 38 | KEY(6, 7, KEY_2), |
| 39 | KEY(3, 4, KEY_UP), |
| 40 | KEY(3, 3, KEY_DOWN), |
| 41 | |
| 42 | KEY(6, 4, KEY_SEND), |
| 43 | KEY(6, 2, KEY_BACK), |
| 44 | KEY(4, 2, KEY_VOLUMEUP), |
| 45 | KEY(5, 5, KEY_1), |
| 46 | KEY(4, 3, KEY_LEFT), |
| 47 | KEY(3, 2, KEY_7), |
| 48 | }; |
| 49 | |
| 50 | static const struct matrix_keymap_data mop500_keymap_data = { |
| 51 | .keymap = mop500_keymap, |
| 52 | .keymap_size = ARRAY_SIZE(mop500_keymap), |
| 53 | }; |
| 54 | |
| 55 | /* |
| 56 | * Nomadik SKE keypad |
| 57 | */ |
| 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 |
| 74 | |
| 75 | #define SKE_KPD_MAX_ROWS 8 |
| 76 | #define SKE_KPD_MAX_COLS 8 |
| 77 | |
| 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, |
| 81 | }; |
| 82 | |
| 83 | /* |
| 84 | * ske_set_gpio_row: request and set gpio rows |
| 85 | */ |
| 86 | static int ske_set_gpio_row(int gpio) |
| 87 | { |
| 88 | int ret; |
| 89 | |
| 90 | ret = gpio_request(gpio, "ske-kp"); |
| 91 | if (ret < 0) { |
| 92 | pr_err("ske_set_gpio_row: gpio request failed\n"); |
| 93 | return ret; |
| 94 | } |
| 95 | |
| 96 | ret = gpio_direction_output(gpio, 1); |
| 97 | if (ret < 0) { |
| 98 | pr_err("ske_set_gpio_row: gpio direction failed\n"); |
| 99 | gpio_free(gpio); |
| 100 | } |
| 101 | |
| 102 | return ret; |
| 103 | } |
| 104 | |
| 105 | /* |
| 106 | * ske_kp_init - enable the gpio configuration |
| 107 | */ |
| 108 | static int ske_kp_init(void) |
| 109 | { |
| 110 | int ret, i; |
| 111 | |
| 112 | for (i = 0; i < SKE_KPD_MAX_ROWS; i++) { |
| 113 | ret = ske_set_gpio_row(ske_kp_rows[i]); |
| 114 | if (ret < 0) { |
| 115 | pr_err("ske_kp_init: failed init\n"); |
| 116 | return ret; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | static struct ske_keypad_platform_data ske_keypad_board = { |
| 124 | .init = ske_kp_init, |
| 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 */ |
| 130 | }; |
| 131 | |
Sundar Iyer | 556fb03 | 2010-12-03 20:35:38 +0530 | [diff] [blame] | 132 | /* |
| 133 | * STMPE1601 |
| 134 | */ |
| 135 | static struct stmpe_keypad_platform_data stmpe1601_keypad_data = { |
| 136 | .debounce_ms = 64, |
| 137 | .scan_count = 8, |
| 138 | .no_autorepeat = true, |
| 139 | .keymap_data = &mop500_keymap_data, |
| 140 | }; |
| 141 | |
| 142 | static struct stmpe_platform_data stmpe1601_data = { |
| 143 | .id = 1, |
| 144 | .blocks = STMPE_BLOCK_KEYPAD, |
| 145 | .irq_trigger = IRQF_TRIGGER_FALLING, |
| 146 | .irq_base = MOP500_STMPE1601_IRQ(0), |
| 147 | .keypad = &stmpe1601_keypad_data, |
| 148 | .autosleep = true, |
| 149 | .autosleep_timeout = 1024, |
| 150 | }; |
| 151 | |
Sundar Iyer | 60ebe15 | 2010-12-03 20:35:50 +0530 | [diff] [blame] | 152 | static struct i2c_board_info mop500_i2c0_devices_stuib[] = { |
Sundar Iyer | 556fb03 | 2010-12-03 20:35:38 +0530 | [diff] [blame] | 153 | { |
| 154 | I2C_BOARD_INFO("stmpe1601", 0x40), |
| 155 | .irq = NOMADIK_GPIO_TO_IRQ(218), |
| 156 | .platform_data = &stmpe1601_data, |
| 157 | .flags = I2C_CLIENT_WAKE, |
| 158 | }, |
| 159 | }; |
| 160 | |
Sundar Iyer | 60ebe15 | 2010-12-03 20:35:50 +0530 | [diff] [blame] | 161 | /* |
| 162 | * TC35893 |
| 163 | */ |
| 164 | |
| 165 | static const unsigned int uib_keymap[] = { |
| 166 | KEY(3, 1, KEY_END), |
| 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), |
| 172 | |
| 173 | KEY(6, 7, KEY_MENU), |
| 174 | KEY(5, 0, KEY_ENTER), |
| 175 | KEY(4, 3, KEY_0), |
| 176 | KEY(3, 4, KEY_DOT), |
| 177 | KEY(5, 2, KEY_UP), |
| 178 | KEY(3, 5, KEY_DOWN), |
| 179 | |
| 180 | KEY(4, 5, KEY_SEND), |
| 181 | KEY(0, 5, KEY_BACK), |
| 182 | KEY(6, 2, KEY_VOLUMEUP), |
| 183 | KEY(1, 3, KEY_SPACE), |
| 184 | KEY(7, 6, KEY_LEFT), |
| 185 | KEY(5, 5, KEY_SEARCH), |
| 186 | }; |
| 187 | |
| 188 | static struct matrix_keymap_data uib_keymap_data = { |
| 189 | .keymap = uib_keymap, |
| 190 | .keymap_size = ARRAY_SIZE(uib_keymap), |
| 191 | }; |
| 192 | |
| 193 | static struct tc3589x_keypad_platform_data tc35893_data = { |
| 194 | .krow = TC_KPD_ROWS, |
| 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, |
| 202 | }; |
| 203 | |
| 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, |
| 208 | }; |
| 209 | |
| 210 | static struct i2c_board_info mop500_i2c0_devices_uib[] = { |
| 211 | { |
| 212 | I2C_BOARD_INFO("tc3589x", 0x44), |
| 213 | .platform_data = &tc3589x_keypad_data, |
| 214 | .irq = NOMADIK_GPIO_TO_IRQ(218), |
| 215 | .flags = I2C_CLIENT_WAKE, |
| 216 | }, |
| 217 | }; |
| 218 | |
Sundar Iyer | e43abe6f | 2010-12-03 20:35:36 +0530 | [diff] [blame] | 219 | void mop500_keypad_init(void) |
| 220 | { |
| 221 | db8500_add_ske_keypad(&ske_keypad_board); |
Sundar Iyer | 556fb03 | 2010-12-03 20:35:38 +0530 | [diff] [blame] | 222 | |
| 223 | i2c_register_board_info(0, mop500_i2c0_devices_stuib, |
| 224 | ARRAY_SIZE(mop500_i2c0_devices_stuib)); |
Sundar Iyer | 60ebe15 | 2010-12-03 20:35:50 +0530 | [diff] [blame] | 225 | |
| 226 | i2c_register_board_info(0, mop500_i2c0_devices_uib, |
| 227 | ARRAY_SIZE(mop500_i2c0_devices_uib)); |
| 228 | |
Sundar Iyer | e43abe6f | 2010-12-03 20:35:36 +0530 | [diff] [blame] | 229 | } |