diff options
Diffstat (limited to 'arch/arm/mach-ux500/board-mop500-keypads.c')
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500-keypads.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-keypads.c b/arch/arm/mach-ux500/board-mop500-keypads.c new file mode 100644 index 000000000000..70318c354d32 --- /dev/null +++ b/arch/arm/mach-ux500/board-mop500-keypads.c @@ -0,0 +1,229 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License v2 + * + * Keypad layouts for various boards + */ + +#include <linux/i2c.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/mfd/stmpe.h> +#include <linux/mfd/tc3589x.h> +#include <linux/input/matrix_keypad.h> + +#include <plat/pincfg.h> +#include <plat/ske.h> + +#include <mach/devices.h> +#include <mach/hardware.h> + +#include "devices-db8500.h" +#include "board-mop500.h" + +/* STMPE/SKE keypad use this key layout */ +static const unsigned int mop500_keymap[] = { + KEY(2, 5, KEY_END), + KEY(4, 1, KEY_POWER), + KEY(3, 5, KEY_VOLUMEDOWN), + KEY(1, 3, KEY_3), + KEY(5, 2, KEY_RIGHT), + KEY(5, 0, KEY_9), + + KEY(0, 5, KEY_MENU), + KEY(7, 6, KEY_ENTER), + KEY(4, 5, KEY_0), + KEY(6, 7, KEY_2), + KEY(3, 4, KEY_UP), + KEY(3, 3, KEY_DOWN), + + KEY(6, 4, KEY_SEND), + KEY(6, 2, KEY_BACK), + KEY(4, 2, KEY_VOLUMEUP), + KEY(5, 5, KEY_1), + KEY(4, 3, KEY_LEFT), + KEY(3, 2, KEY_7), +}; + +static const struct matrix_keymap_data mop500_keymap_data = { + .keymap = mop500_keymap, + .keymap_size = ARRAY_SIZE(mop500_keymap), +}; + +/* + * Nomadik SKE keypad + */ +#define ROW_PIN_I0 164 +#define ROW_PIN_I1 163 +#define ROW_PIN_I2 162 +#define ROW_PIN_I3 161 +#define ROW_PIN_I4 156 +#define ROW_PIN_I5 155 +#define ROW_PIN_I6 154 +#define ROW_PIN_I7 153 +#define COL_PIN_O0 168 +#define COL_PIN_O1 167 +#define COL_PIN_O2 166 +#define COL_PIN_O3 165 +#define COL_PIN_O4 160 +#define COL_PIN_O5 159 +#define COL_PIN_O6 158 +#define COL_PIN_O7 157 + +#define SKE_KPD_MAX_ROWS 8 +#define SKE_KPD_MAX_COLS 8 + +static int ske_kp_rows[] = { + ROW_PIN_I0, ROW_PIN_I1, ROW_PIN_I2, ROW_PIN_I3, + ROW_PIN_I4, ROW_PIN_I5, ROW_PIN_I6, ROW_PIN_I7, +}; + +/* + * ske_set_gpio_row: request and set gpio rows + */ +static int ske_set_gpio_row(int gpio) +{ + int ret; + + ret = gpio_request(gpio, "ske-kp"); + if (ret < 0) { + pr_err("ske_set_gpio_row: gpio request failed\n"); + return ret; + } + + ret = gpio_direction_output(gpio, 1); + if (ret < 0) { + pr_err("ske_set_gpio_row: gpio direction failed\n"); + gpio_free(gpio); + } + + return ret; +} + +/* + * ske_kp_init - enable the gpio configuration + */ +static int ske_kp_init(void) +{ + int ret, i; + + for (i = 0; i < SKE_KPD_MAX_ROWS; i++) { + ret = ske_set_gpio_row(ske_kp_rows[i]); + if (ret < 0) { + pr_err("ske_kp_init: failed init\n"); + return ret; + } + } + + return 0; +} + +static struct ske_keypad_platform_data ske_keypad_board = { + .init = ske_kp_init, + .keymap_data = &mop500_keymap_data, + .no_autorepeat = true, + .krow = SKE_KPD_MAX_ROWS, /* 8x8 matrix */ + .kcol = SKE_KPD_MAX_COLS, + .debounce_ms = 40, /* in millisecs */ +}; + +/* + * STMPE1601 + */ +static struct stmpe_keypad_platform_data stmpe1601_keypad_data = { + .debounce_ms = 64, + .scan_count = 8, + .no_autorepeat = true, + .keymap_data = &mop500_keymap_data, +}; + +static struct stmpe_platform_data stmpe1601_data = { + .id = 1, + .blocks = STMPE_BLOCK_KEYPAD, + .irq_trigger = IRQF_TRIGGER_FALLING, + .irq_base = MOP500_STMPE1601_IRQ(0), + .keypad = &stmpe1601_keypad_data, + .autosleep = true, + .autosleep_timeout = 1024, +}; + +static struct i2c_board_info mop500_i2c0_devices_stuib[] = { + { + I2C_BOARD_INFO("stmpe1601", 0x40), + .irq = NOMADIK_GPIO_TO_IRQ(218), + .platform_data = &stmpe1601_data, + .flags = I2C_CLIENT_WAKE, + }, +}; + +/* + * TC35893 + */ + +static const unsigned int uib_keymap[] = { + KEY(3, 1, KEY_END), + KEY(4, 1, KEY_POWER), + KEY(6, 4, KEY_VOLUMEDOWN), + KEY(4, 2, KEY_EMAIL), + KEY(3, 3, KEY_RIGHT), + KEY(2, 5, KEY_BACKSPACE), + + KEY(6, 7, KEY_MENU), + KEY(5, 0, KEY_ENTER), + KEY(4, 3, KEY_0), + KEY(3, 4, KEY_DOT), + KEY(5, 2, KEY_UP), + KEY(3, 5, KEY_DOWN), + + KEY(4, 5, KEY_SEND), + KEY(0, 5, KEY_BACK), + KEY(6, 2, KEY_VOLUMEUP), + KEY(1, 3, KEY_SPACE), + KEY(7, 6, KEY_LEFT), + KEY(5, 5, KEY_SEARCH), +}; + +static struct matrix_keymap_data uib_keymap_data = { + .keymap = uib_keymap, + .keymap_size = ARRAY_SIZE(uib_keymap), +}; + +static struct tc3589x_keypad_platform_data tc35893_data = { + .krow = TC_KPD_ROWS, + .kcol = TC_KPD_COLUMNS, + .debounce_period = TC_KPD_DEBOUNCE_PERIOD, + .settle_time = TC_KPD_SETTLE_TIME, + .irqtype = IRQF_TRIGGER_FALLING, + .enable_wakeup = true, + .keymap_data = &uib_keymap_data, + .no_autorepeat = true, +}; + +static struct tc3589x_platform_data tc3589x_keypad_data = { + .block = TC3589x_BLOCK_KEYPAD, + .keypad = &tc35893_data, + .irq_base = MOP500_EGPIO_IRQ_BASE, +}; + +static struct i2c_board_info mop500_i2c0_devices_uib[] = { + { + I2C_BOARD_INFO("tc3589x", 0x44), + .platform_data = &tc3589x_keypad_data, + .irq = NOMADIK_GPIO_TO_IRQ(218), + .flags = I2C_CLIENT_WAKE, + }, +}; + +void mop500_keypad_init(void) +{ + db8500_add_ske_keypad(&ske_keypad_board); + + i2c_register_board_info(0, mop500_i2c0_devices_stuib, + ARRAY_SIZE(mop500_i2c0_devices_stuib)); + + i2c_register_board_info(0, mop500_i2c0_devices_uib, + ARRAY_SIZE(mop500_i2c0_devices_uib)); + +} |