1 # SPDX-License-Identifier: GPL-2.0
4 $id: http://devicetree.org/schemas/power/supply/sc27xx-fg.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Spreadtrum SC27XX PMICs Fuel Gauge Unit Power Supply
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
32 - description: Battery Temperature ADC
33 - description: Battery Charge Voltage ADC
42 description: Calibration cells provided by eFuse device
47 sprd,calib-resistance-micro-ohms:
48 description: real resistance of coulomb counter chip in micro Ohms
50 monitored-battery: true
55 - battery-detect-gpios
60 - sprd,calib-resistance-micro-ohms
63 additionalProperties: false
67 #include <dt-bindings/gpio/gpio.h>
69 compatible = "simple-battery";
70 charge-full-design-microamp-hours = <1900000>;
71 constant-charge-voltage-max-microvolt = <4350000>;
72 ocv-capacity-celsius = <20>;
73 ocv-capacity-table-0 = <4185000 100>, <4113000 95>, <4066000 90>,
74 <4022000 85>, <3983000 80>, <3949000 75>,
75 <3917000 70>, <3889000 65>, <3864000 60>,
76 <3835000 55>, <3805000 50>, <3787000 45>,
77 <3777000 40>, <3773000 35>, <3770000 30>,
78 <3765000 25>, <3752000 20>, <3724000 15>,
79 <3680000 10>, <3605000 5>, <3400000 0>;
88 compatible = "sprd,sc2731-fgu";
90 battery-detect-gpios = <&pmic_eic 9 GPIO_ACTIVE_HIGH>;
91 io-channels = <&pmic_adc 5>, <&pmic_adc 14>;
92 io-channel-names = "bat-temp", "charge-vol";
93 nvmem-cells = <&fgu_calib>;
94 nvmem-cell-names = "fgu_calib";
95 monitored-battery = <&bat>;
96 sprd,calib-resistance-micro-ohms = <21500>;