diff options
author | David Hendricks <dhendrix@chromium.org> | 2013-04-09 16:58:02 -0700 |
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committer | Ronald G. Minnich <rminnich@gmail.com> | 2013-04-10 17:33:13 +0200 |
commit | 6e877ec63e034691139897cd4de876f06fa6def5 (patch) | |
tree | f574983ec3e6075e6e5f20cc386c567ddd3d36c6 /src/drivers/ti/tps65090/tps65090.h | |
parent | 767edfc542369720798f9f3ec194b0898fe5cecd (diff) |
[1/2] initial import of TI TPS65090
This imports TPS65090 PMIC from u-boot and adds/updates Makefiles
and Kconfig files. The follow-up patch will re-factor the code.
Change-Id: Ic9e43b9665ddf7f55feae8fa17fbf3d2d5f4756d
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/3060
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/drivers/ti/tps65090/tps65090.h')
-rw-r--r-- | src/drivers/ti/tps65090/tps65090.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/drivers/ti/tps65090/tps65090.h b/src/drivers/ti/tps65090/tps65090.h new file mode 100644 index 0000000000..b008a55635 --- /dev/null +++ b/src/drivers/ti/tps65090/tps65090.h @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2012 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + */ + +#ifndef __TPS65090_H_ +#define __TPS65090_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, +}; + +/* FET errors */ +enum { + FET_ERR_COMMS = -1, /* FET comms error */ + FET_ERR_NOT_READY = -2, /* FET is not yet ready - retry */ +}; + +/** + * 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_H_ */ |