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Diffstat (limited to 'include/power/tps65090_pmic.h')
-rw-r--r-- | include/power/tps65090_pmic.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/power/tps65090_pmic.h b/include/power/tps65090_pmic.h new file mode 100644 index 0000000..dcf99c9 --- /dev/null +++ b/include/power/tps65090_pmic.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2012 The Chromium OS Authors. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __TPS65090_PMIC_H_ +#define __TPS65090_PMIC_H_ + +/* I2C device address for TPS65090 PMU */ +#define TPS65090_I2C_ADDR 0x48 + +enum { + /* Status register fields */ + TPS65090_ST1_OTC = 1 << 0, + TPS65090_ST1_OCC = 1 << 1, + TPS65090_ST1_STATE_SHIFT = 4, + TPS65090_ST1_STATE_MASK = 0xf << TPS65090_ST1_STATE_SHIFT, +}; + +/** + * Enable FET + * + * @param fet_id FET ID, value between 1 and 7 + * @return 0 on success, non-0 on failure + */ +int tps65090_fet_enable(unsigned int fet_id); + +/** + * Disable FET + * + * @param fet_id FET ID, value between 1 and 7 + * @return 0 on success, non-0 on failure + */ +int tps65090_fet_disable(unsigned int fet_id); + +/** + * Is FET enabled? + * + * @param fet_id FET ID, value between 1 and 7 + * @return 1 enabled, 0 disabled, negative value on failure + */ +int tps65090_fet_is_enabled(unsigned int fet_id); + +/** + * Enable / disable the battery charger + * + * @param enable 0 to disable charging, non-zero to enable + */ +int tps65090_set_charge_enable(int enable); + +/** + * Check whether we have enabled battery charging + * + * @return 1 if enabled, 0 if disabled + */ +int tps65090_get_charging(void); + +/** + * Return the value of the status register + * + * @return status register value, or -1 on error + */ +int tps65090_get_status(void); + +/** + * Initialize the TPS65090 PMU. + * + * @return 0 on success, non-0 on failure + */ +int tps65090_init(void); + +#endif /* __TPS65090_PMIC_H_ */ |