diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/Makefile | 1 | ||||
| -rw-r--r-- | drivers/input/twl6030.c | 48 |
2 files changed, 49 insertions, 0 deletions
diff --git a/drivers/input/Makefile b/drivers/input/Makefile index 5f15265be5..9109ac6dba 100644 --- a/drivers/input/Makefile +++ b/drivers/input/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_DM_KEYBOARD) += keyboard-uclass.o obj-$(CONFIG_I8042_KEYB) += i8042.o obj-$(CONFIG_TEGRA_KEYBOARD) += tegra-kbc.o obj-$(CONFIG_TWL4030_INPUT) += twl4030.o +obj-$(CONFIG_TWL6030_INPUT) += twl6030.o obj-$(CONFIG_CROS_EC_KEYB) += cros_ec_keyb.o ifdef CONFIG_PS2KBD obj-y += keyboard.o pc_keyb.o diff --git a/drivers/input/twl6030.c b/drivers/input/twl6030.c new file mode 100644 index 0000000000..8de032a1cd --- /dev/null +++ b/drivers/input/twl6030.c @@ -0,0 +1,48 @@ +/* + * TWL6030 input + * + * Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <twl6030.h> + +int twl6030_input_power_button(void) +{ + u8 value; + + twl6030_i2c_read_u8(TWL6030_CHIP_PM, TWL6030_STS_HW_CONDITIONS, &value); + + /* Power button is active low. */ + if (value & TWL6030_STS_HW_CONDITIONS_PWRON) + return 0; + + return 1; +} + +int twl6030_input_charger(void) +{ + u8 value; + + twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, TWL6030_CONTROLLER_STAT1, + &value); + + if (value & TWL6030_CONTROLLER_STAT1_VAC_DET) + return 1; + + return 0; +} + +int twl6030_input_usb(void) +{ + u8 value; + + twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, TWL6030_CONTROLLER_STAT1, + &value); + + if (value & TWL6030_CONTROLLER_STAT1_VBUS_DET) + return 1; + + return 0; +} |