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Diffstat (limited to 'Documentation/devicetree/bindings/power/supply/bq25980.yaml')
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diff --git a/Documentation/devicetree/bindings/power/supply/bq25980.yaml b/Documentation/devicetree/bindings/power/supply/bq25980.yaml new file mode 100644 index 000000000..f6b3dd409 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/bq25980.yaml @@ -0,0 +1,114 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2020 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/supply/bq25980.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: TI BQ25980 Flash Charger + +maintainers: + - Dan Murphy <dmurphy@ti.com> + - Ricardo Rivera-Matos <r-rivera-matos@ti.com> + +description: | + The BQ25980, BQ25975, and BQ25960 are a series of flash chargers intended + for use in high-power density portable electronics. These inductorless + switching chargers can provide over 97% efficiency by making use of the + switched capacitor architecture. + +allOf: + - $ref: power-supply.yaml# + +properties: + compatible: + enum: + - ti,bq25980 + - ti,bq25975 + - ti,bq25960 + + reg: + maxItems: 1 + + ti,watchdog-timeout-ms: + description: | + Watchdog timer in milli seconds. 0 disables the watchdog. + default: 0 + minimum: 0 + maximum: 300000 + enum: [ 0, 5000, 10000, 50000, 300000] + + ti,sc-ovp-limit-microvolt: + description: | + Minimum input voltage limit in micro volts with a when the charger is in + switch cap mode. 100000 micro volt step. + default: 17800000 + minimum: 14000000 + maximum: 22000000 + + ti,sc-ocp-limit-microamp: + description: | + Maximum input current limit in micro amps with a 100000 micro amp step. + minimum: 100000 + maximum: 3300000 + + ti,bypass-ovp-limit-microvolt: + description: | + Minimum input voltage limit in micro volts with a when the charger is in + switch cap mode. 50000 micro volt step. + minimum: 7000000 + maximum: 12750000 + + ti,bypass-ocp-limit-microamp: + description: | + Maximum input current limit in micro amps with a 100000 micro amp step. + minimum: 100000 + maximum: 3300000 + + ti,bypass-enable: + type: boolean + description: Enables bypass mode at boot time + + interrupts: + description: | + Indicates that the device state has changed. + + monitored-battery: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the battery node being monitored + +required: + - compatible + - reg + - monitored-battery + +unevaluatedProperties: false + +examples: + - | + bat: battery { + compatible = "simple-battery"; + constant-charge-current-max-microamp = <4000000>; + constant-charge-voltage-max-microvolt = <8400000>; + precharge-current-microamp = <160000>; + charge-term-current-microamp = <160000>; + }; + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + bq25980: charger@65 { + compatible = "ti,bq25980"; + reg = <0x65>; + interrupt-parent = <&gpio1>; + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; + ti,watchdog-timer = <0>; + ti,sc-ocp-limit-microamp = <2000000>; + ti,sc-ovp-limit-microvolt = <17800000>; + monitored-battery = <&bat>; + }; + }; + +... |