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Diffstat (limited to '')
-rw-r--r-- | include/linux/mfd/ti-lmu.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/linux/mfd/ti-lmu.h b/include/linux/mfd/ti-lmu.h new file mode 100644 index 000000000..09d5f3038 --- /dev/null +++ b/include/linux/mfd/ti-lmu.h @@ -0,0 +1,87 @@ +/* + * TI LMU (Lighting Management Unit) Devices + * + * Copyright 2017 Texas Instruments + * + * Author: Milo Kim <milo.kim@ti.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __MFD_TI_LMU_H__ +#define __MFD_TI_LMU_H__ + +#include <linux/gpio.h> +#include <linux/notifier.h> +#include <linux/regmap.h> + +/* Notifier event */ +#define LMU_EVENT_MONITOR_DONE 0x01 + +enum ti_lmu_id { + LM3532, + LM3631, + LM3632, + LM3633, + LM3695, + LM3697, + LMU_MAX_ID, +}; + +enum ti_lmu_max_current { + LMU_IMAX_5mA, + LMU_IMAX_6mA, + LMU_IMAX_7mA = 0x03, + LMU_IMAX_8mA, + LMU_IMAX_9mA, + LMU_IMAX_10mA = 0x07, + LMU_IMAX_11mA, + LMU_IMAX_12mA, + LMU_IMAX_13mA, + LMU_IMAX_14mA, + LMU_IMAX_15mA = 0x0D, + LMU_IMAX_16mA, + LMU_IMAX_17mA, + LMU_IMAX_18mA, + LMU_IMAX_19mA, + LMU_IMAX_20mA = 0x13, + LMU_IMAX_21mA, + LMU_IMAX_22mA, + LMU_IMAX_23mA = 0x17, + LMU_IMAX_24mA, + LMU_IMAX_25mA, + LMU_IMAX_26mA, + LMU_IMAX_27mA = 0x1C, + LMU_IMAX_28mA, + LMU_IMAX_29mA, + LMU_IMAX_30mA, +}; + +enum lm363x_regulator_id { + LM3631_BOOST, /* Boost output */ + LM3631_LDO_CONT, /* Display panel controller */ + LM3631_LDO_OREF, /* Gamma reference */ + LM3631_LDO_POS, /* Positive display bias output */ + LM3631_LDO_NEG, /* Negative display bias output */ + LM3632_BOOST, /* Boost output */ + LM3632_LDO_POS, /* Positive display bias output */ + LM3632_LDO_NEG, /* Negative display bias output */ +}; + +/** + * struct ti_lmu + * + * @dev: Parent device pointer + * @regmap: Used for i2c communcation on accessing registers + * @en_gpio: GPIO for HWEN pin [Optional] + * @notifier: Notifier for reporting hwmon event + */ +struct ti_lmu { + struct device *dev; + struct regmap *regmap; + int en_gpio; + struct blocking_notifier_head notifier; +}; +#endif |