On Fri, Mar 12, 2021 at 8:44 AM Sebastian Reichel
<sebastian.reichel@xxxxxxxxxxxxx> wrote:
>
> Convert the binding to DT schema format.
>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
> ---
> .../bindings/power/supply/bq25890.txt | 60 ---------
> .../bindings/power/supply/bq25890.yaml | 125 ++++++++++++++++++
> 2 files changed, 125 insertions(+), 60 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/power/supply/bq25890.txt
> create mode 100644 Documentation/devicetree/bindings/power/supply/bq25890.yaml
>
> diff --git a/Documentation/devicetree/bindings/power/supply/bq25890.txt b/Documentation/devicetree/bindings/power/supply/bq25890.txt
> deleted file mode 100644
> index 805040c6fff9..000000000000
> --- a/Documentation/devicetree/bindings/power/supply/bq25890.txt
> +++ /dev/null
> @@ -1,60 +0,0 @@
> -Binding for TI bq25890 Li-Ion Charger
> -
> -This driver will support the bq25892, the bq25896 and the bq25890. There are
> -other ICs in the same family but those have not been tested.
> -
> -Required properties:
> -- compatible: Should contain one of the following:
> - * "ti,bq25890"
> - * "ti,bq25892"
> - * "ti,bq25895"
> - * "ti,bq25896"
> -- reg: integer, i2c address of the device.
> -- interrupts: interrupt line;
> -- ti,battery-regulation-voltage: integer, maximum charging voltage (in uV);
> -- ti,charge-current: integer, maximum charging current (in uA);
> -- ti,termination-current: integer, charge will be terminated when current in
> - constant-voltage phase drops below this value (in uA);
> -- ti,precharge-current: integer, maximum charge current during precharge
> - phase (in uA);
> -- ti,minimum-sys-voltage: integer, when battery is charging and it is below
> - minimum system voltage, the system will be regulated above
> - minimum-sys-voltage setting (in uV);
> -- ti,boost-voltage: integer, VBUS voltage level in boost mode (in uV);
> -- ti,boost-max-current: integer, maximum allowed current draw in boost mode
> - (in uA).
> -
> -Optional properties:
> -- ti,boost-low-freq: boolean, if present boost mode frequency will be 500kHz,
> - otherwise 1.5MHz;
> -- ti,use-ilim-pin: boolean, if present the ILIM resistor will be used and the
> - input current will be the lower between the resistor setting and the IINLIM
> - register setting;
> -- ti,thermal-regulation-threshold: integer, temperature above which the charge
> - current is lowered, to avoid overheating (in degrees Celsius). If omitted,
> - the default setting will be used (120 degrees);
> -- ti,ibatcomp-micro-ohms: integer, value of a resistor in series with
> - the battery;
> -- ti,ibatcomp-clamp-microvolt: integer, maximum charging voltage adjustment due
> - to expected voltage drop on in-series resistor;
> -
> -Example:
> -
> -bq25890 {
> - compatible = "ti,bq25890";
> - reg = <0x6a>;
> -
> - interrupt-parent = <&gpio1>;
> - interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
> -
> - ti,battery-regulation-voltage = <4200000>;
> - ti,charge-current = <1000000>;
> - ti,termination-current = <50000>;
> - ti,precharge-current = <128000>;
> - ti,minimum-sys-voltage = <3600000>;
> - ti,boost-voltage = <5000000>;
> - ti,boost-max-current = <1000000>;
> -
> - ti,use-ilim-pin;
> - ti,thermal-regulation-threshold = <120>;
> -};
> diff --git a/Documentation/devicetree/bindings/power/supply/bq25890.yaml b/Documentation/devicetree/bindings/power/supply/bq25890.yaml
> new file mode 100644
> index 000000000000..de6e03ec120c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/bq25890.yaml
> @@ -0,0 +1,125 @@
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (C) 2021 Sebastian Reichel
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/power/supply/bq25890.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Binding for bq25890, bq25892, bq25895 and bq25896 Li-Ion Charger
> +
> +maintainers:
> + - Sebastian Reichel <sre@xxxxxxxxxx>
> +
> +allOf:
> + - $ref: power-supply.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - ti,bq25890
> + - ti,bq25892
> + - ti,bq25895
> + - ti,bq25896
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + ti,battery-regulation-voltage:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: maximum charging voltage (in uV)
> +
> + ti,charge-current:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: maximum charging current (in uA)
> +
> + ti,termination-current:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: |
> + charge will be terminated when current in constant-voltage phase
> + drops below this value (in uA)
> +
> + ti,precharge-current:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: maximum charge current during precharge phase (in uA)
> +
> + ti,minimum-sys-voltage:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: |
> + when battery is charging and it is below minimum system voltage,
> + the system will be regulated above minimum-sys-voltage setting (in uV)
> +
> + ti,boost-voltage:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: VBUS voltage level in boost mode (in uV)
> +
> + ti,boost-max-current:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: maximum allowed current draw in boost mode (in uA)
> +
> + ti,boost-low-freq:
> + description: boost mode frequency will be 500kHz, otherwise 1.5MHz
> + type: boolean
> +
> + ti,use-ilim-pin:
> + description: |
> + ILIM resistor will be used and the input current will be the lower
> + between the resistor setting and the IINLIM register setting
> + type: boolean
> +
> + ti,thermal-regulation-threshold:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: |
> + temperature above which the charge current is lowered, to avoid overheating
> + (in degrees Celsius). If omitted, the default setting will be used (120 degrees)
> +
> + ti,ibatcomp-micro-ohms:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: value of a resistor in series with the battery (in Micro Ohms)
> +
> + ti,ibatcomp-clamp-microvolt:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: max. charging voltage adjustment due to expected voltage drop on in-series resistor
You don't need a type $ref on properties with a standard unit suffix.
Though it looks like there's some non-standard ones (-microvolts) in
the series.
Rob
