Add bindings for Maxim MAX8971 charger. Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx> --- .../bindings/power/supply/maxim,max8971.yaml | 140 ++++++++++++++++++ 1 file changed, 140 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/maxim,max8971.yaml diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max8971.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max8971.yaml new file mode 100644 index 000000000000..91d9fec1d46a --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/maxim,max8971.yaml @@ -0,0 +1,140 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/maxim,max8971.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX8971 IC charger + +maintainers: + - Svyatoslav Ryhel <clamor95@xxxxxxxxx> + +description: + The MAX8971 is a compact, high-frequency, high-efficiency switch-mode charger + for a one-cell lithium-ion (Li+) battery. + +allOf: + - $ref: power-supply.yaml# + +properties: + compatible: + const: maxim,max8971 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + maxim,fcharge-current-limit-microamp: + description: + Fast-Charge current limit + minimum: 250000 + default: 500000 + maximum: 1550000 + + maxim,fcharge-timer-hours: + description: + Fast-Charge timer in hours. Setting this value 3 and lower or 11 and higher + will disable Fast-Charge timer. + $ref: /schemas/types.yaml#/definitions/uint32 + default: 5 + + maxim,fcharge-rst-threshold-high: + description: + Set Fast-Charge reset threshold to -100 mV + type: boolean + + maxim,in-current-limit-microamp: + description: + Input current limit + minimum: 100000 + default: 500000 + maximum: 1500000 + + maxim,topoff-timer-minutes: + description: + Top-Off timer minutes + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 10, 20, 30, 40, 50, 60, 70] + default: 30 + + maxim,topoff-current-threshold-microamp: + description: + Top-Off current threshold + enum: [50000, 100000, 150000, 200000] + default: 50000 + + maxim,fcharge-usb-current-limit-microamp: + description: + Fast-Charge USB current limit + minimum: 100000 + default: 500000 + maximum: 1500000 + + maxim,fcharge-ac-current-limit-microamp: + description: + Fast-Charge AC current limit + minimum: 100000 + default: 500000 + maximum: 1500000 + + maxim,usb-in-current-limit-microamp: + description: + USB Input current limit + minimum: 100000 + default: 500000 + maximum: 1500000 + + maxim,ac-in-current-limit-microamp: + description: + AC Input current limit + minimum: 100000 + default: 500000 + maximum: 1500000 + + port: + description: + An optional port node to link the extcon device to detect type of plug. + $ref: /schemas/graph.yaml#/properties/port + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + charger@35 { + compatible = "maxim,max8971"; + reg = <0x35>; + + interrupt-parent = <&gpio>; + interrupts = <74 IRQ_TYPE_LEVEL_LOW>; + + maxim,fcharge-ac-current-limit-microamp = <900000>; + maxim,fcharge-timer-hours = <0>; + + maxim,fcharge-rst-threshold-high; + maxim,ac-in-current-limit-microamp = <1200000>; + + maxim,topoff-timer-minutes = <0>; + maxim,topoff-current-threshold-microamp = <200000>; + + port { + charger_input: endpoint { + remote-endpoint = <&extcon_output>; + }; + }; + }; + }; +... -- 2.43.0
