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author | Shon Wang <shon.wang@quanta.corp-partner.google.com> | 2021-11-12 14:27:17 +0800 |
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committer | Commit Bot <commit-bot@chromium.org> | 2021-11-16 02:54:21 +0000 |
commit | eaa90ae90bd29ff1dd2365baa5e67a323b399d80 (patch) | |
tree | 01acd2accba64774bcb63b5a720b4c13984e8cf1 /board/vell/battery.c | |
parent | 43ac4823a9ab8c9db3253640fc4bdf07eaedf8c3 (diff) | |
download | chrome-ec-stabilize-14345.B-main.tar.gz |
vell: Initial EC imagestabilize-14345.B-main
Create the initial EC image for the vell variant by copying the brya
reference board EC files into a new directory named for the variant.
(Auto-Generated by create_initial_ec_image.sh version 1.5.0).
BUG=b:205908918
BRANCH=None
TEST=make BOARD=vell, make buildall
Signed-off-by: Shon Wang <shon.wang@quanta.corp-partner.google.com>
Change-Id: I4e5bd91e643a8ef1a1ec6cf1dbb191d192433cb4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3277679
Reviewed-by: Devin Lu <Devin.Lu@quantatw.com>
Reviewed-by: caveh jalali <caveh@chromium.org>
Reviewed-by: YH Lin <yueherngl@chromium.org>
Tested-by: Devin Lu <Devin.Lu@quantatw.com>
Commit-Queue: YH Lin <yueherngl@chromium.org>
Diffstat (limited to 'board/vell/battery.c')
-rw-r--r-- | board/vell/battery.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/board/vell/battery.c b/board/vell/battery.c new file mode 100644 index 0000000000..91faab57a3 --- /dev/null +++ b/board/vell/battery.c @@ -0,0 +1,112 @@ +/* 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. + * + * Battery pack vendor provided charging profile + */ + +#include "battery_fuel_gauge.h" +#include "cbi.h" +#include "common.h" +#include "compile_time_macros.h" +#include "gpio.h" +/* + * Battery info for all Brya 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[] = { + /* POW-TECH GQA05 Battery Information */ + [BATTERY_POWER_TECH] = { + /* BQ40Z50 Fuel Gauge */ + .fuel_gauge = { + .manuf_name = "POW-TECH", + .device_name = "BATGQA05L22", + .ship_mode = { + .reg_addr = 0x00, + .reg_data = { 0x0010, 0x0010 }, + }, + .fet = { + .mfgacc_support = 1, + .reg_addr = 0x00, + .reg_mask = 0x2000, /* XDSG */ + .disconnect_val = 0x2000, + } + }, + .batt_info = { + .voltage_max = TARGET_WITH_MARGIN(13050, 5), + .voltage_normal = 11400, /* mV */ + .voltage_min = 9000, /* mV */ + .precharge_current = 280, /* mA */ + .start_charging_min_c = 0, + .start_charging_max_c = 45, + .charging_min_c = 0, + .charging_max_c = 45, + .discharging_min_c = -10, + .discharging_max_c = 60, + }, + }, + /* LGC L17L3PB0 Battery Information */ + /* + * Battery info provided by ODM on b/143477210, comment #11 + */ + [BATTERY_LGC011] = { + .fuel_gauge = { + .manuf_name = "LGC", + .ship_mode = { + .reg_addr = 0x00, + .reg_data = { 0x0010, 0x0010 }, + }, + .fet = { + .reg_addr = 0x0, + .reg_mask = 0x6000, + .disconnect_val = 0x6000, + } + }, + .batt_info = { + .voltage_max = TARGET_WITH_MARGIN(13200, 5), + .voltage_normal = 11550, /* mV */ + .voltage_min = 9000, /* mV */ + .precharge_current = 256, /* mA */ + .start_charging_min_c = 0, + .start_charging_max_c = 45, + .charging_min_c = 0, + .charging_max_c = 60, + .discharging_min_c = 0, + .discharging_max_c = 75, + }, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT); + +const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_POWER_TECH; + +enum battery_present battery_hw_present(void) +{ + enum gpio_signal batt_pres; + + if (get_board_id() == 1) + batt_pres = GPIO_ID_1_EC_BATT_PRES_ODL; + else + batt_pres = GPIO_EC_BATT_PRES_ODL; + + /* The GPIO is low when the battery is physically present */ + return gpio_get_level(batt_pres) ? BP_NO : BP_YES; +} |