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| author | Simon Glass <sjg@chromium.org> | 2021-03-22 09:56:42 +1300 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-03-23 01:06:27 +0000 |
| commit | 1b99ed4133a6ee618345353fe08a695a8806b382 (patch) | |
| tree | bc36160c2f48b13a3b99d77af3b5d0f80db136b3 /include/driver | |
| parent | ba60995d16d9098e477044682759f19f6051700c (diff) | |
| download | chrome-ec-1b99ed4133a6ee618345353fe08a695a8806b382.tar.gz | |
Create a public header for isl923x
Add a separate public header for this chip so we can include it from
Zephyr. Update the charger file to use that header, so it builds on
Zephyr.
BUG=b:183296099
BRANCH=none
TEST=make BOARD=lazor -j4
Signed-off-by: Simon Glass <sjg@chromium.org>
Change-Id: I54506ef17ecda2683f1c1a933f1978df458e08ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2774916
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'include/driver')
| -rw-r--r-- | include/driver/charger/isl923x_public.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/driver/charger/isl923x_public.h b/include/driver/charger/isl923x_public.h new file mode 100644 index 0000000000..df3b0ce057 --- /dev/null +++ b/include/driver/charger/isl923x_public.h @@ -0,0 +1,51 @@ +/* Copyright 2021 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. + * + * Renesas (Intersil) ISL-9237/38 battery charger public header + */ + +#ifndef __CROS_EC_DRIVER_CHARGER_ISL923X_PUBLIC_H +#define __CROS_EC_DRIVER_CHARGER_ISL923X_PUBLIC_H + +#include "stdbool.h" + +#define ISL923X_ADDR_FLAGS (0x09) + +extern const struct charger_drv isl923x_drv; + +/** + * Initialize AC & DC prochot threshold + * + * @param chgnum: Index into charger chips + * @param AC Prochot threshold current in mA: + * multiple of 128 up to 6400 mA + * DC Prochot threshold current in mA: + * multiple of 128 up to 12800 mA + * Bits below 128mA are truncated (ignored). + * @return enum ec_error_list + */ +int isl923x_set_ac_prochot(int chgnum, uint16_t ma); +int isl923x_set_dc_prochot(int chgnum, uint16_t ma); + +/** + * Set the general comparator output polarity when asserted. + * + * @param chgnum: Index into charger chips + * @param invert: Non-zero to invert polarity, zero to non-invert. + * @return EC_SUCCESS, error otherwise. + */ +int isl923x_set_comparator_inversion(int chgnum, int invert); + +/** + * Prepare the charger IC for battery ship mode. Battery ship mode sets the + * lowest power state for the IC. Battery ship mode can only be entered from + * battery only mode. + * + * @param chgnum index into chg_chips table. + */ +void raa489000_hibernate(int chgnum, bool disable_adc); +enum ec_error_list isl9238c_hibernate(int chgnum); +enum ec_error_list isl9238c_resume(int chgnum); + +#endif /* __CROS_EC_DRIVER_CHARGER_ISL923X_PUBLIC_H */ |