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author | Edward Hill <ecgh@chromium.org> | 2019-12-05 14:48:00 -0700 |
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committer | Commit Bot <commit-bot@chromium.org> | 2019-12-09 19:42:37 +0000 |
commit | dfdd079e8746226b6bc4b66a8ddbde82b6c3d74d (patch) | |
tree | ce793842680582b58e70ef7d56105cceadce5fe2 /board/morphius/battery.c | |
parent | 76daabfd0fc732ecbd577c5cb903137d13ce4b17 (diff) | |
download | chrome-ec-dfdd079e8746226b6bc4b66a8ddbde82b6c3d74d.tar.gz |
Morphius: create new board
BUG=b:144029292
BRANCH=none
TEST=build
Change-Id: Id362ac64a43082e0ae2cb59c0259f040c693dd1f
Signed-off-by: Edward Hill <ecgh@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1954308
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'board/morphius/battery.c')
-rw-r--r-- | board/morphius/battery.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/board/morphius/battery.c b/board/morphius/battery.c new file mode 100644 index 0000000000..33e4e9ce5d --- /dev/null +++ b/board/morphius/battery.c @@ -0,0 +1,65 @@ +/* Copyright 2019 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. + * + * Battery pack vendor provided charging profile + */ + +#include "battery_fuel_gauge.h" +#include "common.h" +#include "util.h" + +/* + * Battery info for all Zork battery types. Note that the fields + * start_charging_min/max and charging_min/max are not used for the charger. + * The effective temperature limits are given by discharging_min/max_c. + * + * Fuel Gauge (FG) parameters which are used for determining if the battery + * is connected, the appropriate ship mode (battery cutoff) command, and the + * charge/discharge FETs status. + * + * Ship mode (battery cutoff) requires 2 writes to the appropriate smart battery + * register. For some batteries, the charge/discharge FET bits are set when + * charging/discharging is active, in other types, these bits set mean that + * charging/discharging is disabled. Therefore, in addition to the mask for + * these bits, a disconnect value must be specified. Note that for TI fuel + * gauge, the charge/discharge FET status is found in Operation Status (0x54), + * but a read of Manufacturer Access (0x00) will return the lower 16 bits of + * Operation status which contains the FET status bits. + * + * The assumption for battery types supported is that the charge/discharge FET + * status can be read with a sb_read() command and therefore, only the register + * address, mask, and disconnect value need to be provided. + */ +const struct board_batt_params board_battery_info[] = { + /* AP18F4M */ + [BATTERY_AP18F4M] = { + .fuel_gauge = { + .manuf_name = "Murata KT00404001", + .ship_mode = { + .reg_addr = 0x3A, + .reg_data = { 0xC574, 0xC574 }, + }, + .fet = { + .reg_addr = 0x0, + .reg_mask = 0x2000, + .disconnect_val = 0x2000, + } + }, + .batt_info = { + .voltage_max = 8700, + .voltage_normal = 7600, + .voltage_min = 5500, + .precharge_current = 256, + .start_charging_min_c = 0, + .start_charging_max_c = 50, + .charging_min_c = 0, + .charging_max_c = 60, + .discharging_min_c = -20, + .discharging_max_c = 75, + }, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT); + +const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_AP18F4M; |