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power: supply: cpcap-battery: pass static battery cell data from device tree

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Add an option to populate battery cell properties from the device tree if
the driver cannot access the battery's NVMEM.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Link: https://patch.msgid.link/20260130134021.353688-3-clamor95@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Svyatoslav Ryhel
2026-01-30 15:40:21 +02:00
committed by Sebastian Reichel
parent 95a1fa0b00
commit f0c8407c83
1 changed files with 27 additions and 0 deletions
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27
drivers/power/supply/cpcap-battery.c
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@@ -404,6 +404,30 @@ static int cpcap_battery_match_nvmem(struct device *dev, const void *data)
return 0;
}
static void cpcap_battery_update_battery_data(struct cpcap_battery_ddata *ddata)
{
struct power_supply_battery_info *info;
if (power_supply_get_battery_info(ddata->psy, &info) < 0)
return;
if (info->technology > 0)
ddata->config.info.technology = info->technology;
if (info->voltage_max_design_uv > 0)
ddata->config.info.voltage_max_design = info->voltage_max_design_uv;
if (info->voltage_min_design_uv > 0)
ddata->config.info.voltage_min_design = info->voltage_min_design_uv;
if (info->charge_full_design_uah > 0)
ddata->config.info.charge_full_design = info->charge_full_design_uah;
if (info->constant_charge_voltage_max_uv > 0)
ddata->config.bat.constant_charge_voltage_max_uv =
info->constant_charge_voltage_max_uv;
}
static void cpcap_battery_detect_battery_type(struct cpcap_battery_ddata *ddata)
{
struct nvmem_device *nvmem;
@@ -431,6 +455,9 @@ static void cpcap_battery_detect_battery_type(struct cpcap_battery_ddata *ddata)
default:
ddata->config = cpcap_battery_unknown_data;
}
if (ddata->psy)
cpcap_battery_update_battery_data(ddata);
}
/**