From 464a74887167651c747b07cf087f39e5fdf9fc0c Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Wed, 17 Mar 2021 14:48:34 +0100 Subject: dt-bindings: power: supply: bq24735: Convert to DT schema format Convert the binding to DT schema format. Signed-off-by: Sebastian Reichel Reviewed-by: Rob Herring --- .../devicetree/bindings/power/supply/bq24735.yaml | 89 ++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/bq24735.yaml (limited to 'Documentation/devicetree/bindings/power/supply/bq24735.yaml') diff --git a/Documentation/devicetree/bindings/power/supply/bq24735.yaml b/Documentation/devicetree/bindings/power/supply/bq24735.yaml new file mode 100644 index 000000000000..131be6782c4b --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/bq24735.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2021 Sebastian Reichel +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/supply/bq24735.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Binding for TI BQ24735 Li-Ion Battery Charger + +maintainers: + - Sebastian Reichel + +allOf: + - $ref: power-supply.yaml# + +properties: + compatible: + const: ti,bq24735 + + reg: + maxItems: 1 + + interrupts: + description: AC adapter plug event interrupt + maxItems: 1 + + ti,ac-detect-gpios: + maxItems: 1 + description: | + This GPIO is optionally used to read the AC adapter status. This is a Host GPIO + that is configured as an input and connected to the ACOK pin on the bq24735. + Note: for backwards compatibility reasons, the GPIO must be active on AC adapter + absence despite ACOK being active (high) on AC adapter presence. + + ti,charge-current: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Used to control and set the charging current. + This value must be between 128mA and 8.128A with a 64mA step resolution. + The POR value is 0x0000h. This number is in mA (e.g. 8192). + See spec for more information about the ChargeCurrent (0x14h) register. + + ti,charge-voltage: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Used to control and set the charging voltage. + This value must be between 1.024V and 19.2V with a 16mV step resolution. + The POR value is 0x0000h. This number is in mV (e.g. 19200). + See spec for more information about the ChargeVoltage (0x15h) register. + + ti,input-current: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Used to control and set the charger input current. + This value must be between 128mA and 8.064A with a 128mA step resolution. + The POR value is 0x1000h. This number is in mA (e.g. 8064). + See the spec for more information about the InputCurrent (0x3fh) register. + + ti,external-control: + type: boolean + description: | + Indicates that the charger is configured externally and that the host should not + attempt to enable/disable charging or set the charge voltage/current. + + poll-interval: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + If 'interrupts' is not specified, poll AC adapter presence with this interval (milliseconds). + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + charger@9 { + compatible = "ti,bq24735"; + reg = <0x9>; + ti,ac-detect-gpios = <&gpio 72 0x1>; + }; + }; -- cgit v1.2.3