Hi Dan, On Mon, Sep 30, 2019 at 09:31:36AM -0500, Dan Murphy wrote: > Add the bindings for the bq25150 and bq25155 500mA > charging IC from Texas Instruments. > > Datasheet: > http://www.ti.com/lit/ds/symlink/bq25150.pdf > http://www.ti.com/lit/ds/symlink/bq25155.pdf > > Signed-off-by: Dan Murphy <[email protected]> > --- > .../bindings/power/supply/bq2515x.txt | 48 +++++++++++++++++++
This should use the new YAML binding style.
> 1 file changed, 48 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/power/supply/bq2515x.txt
>
> diff --git a/Documentation/devicetree/bindings/power/supply/bq2515x.txt
> b/Documentation/devicetree/bindings/power/supply/bq2515x.txt
> new file mode 100644
> index 000000000000..98203ab53d44
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/bq2515x.txt
> @@ -0,0 +1,48 @@
> +Binding for TI bq25150 500-mA Linear charger
> +
> +The BQ25150 is a highly integrated battery charge management IC that
> integrates
> +the most common functions for wearable devices, namely a charger, an
> +output voltage rail, ADC for battery and system monitoring, and
> +push-button controller.
> +
> +Required Properties:
> + - compatible: Should contain one of the following:
> + "ti,bq25150"
> + "ti,bq25155"
> + - reg: int I2c address 0x6b
> + - #address-cells: 1;
> + - #size-cells: = 0;
> +
> +Optional Properties:
> + - ti,battery-regulation-voltage: integer, maximum charging voltage in
> mV.
> + Values range from 3600->4600mV
> + - ti,charge-current: integer, maximum charging current in mA.
> + Values range from 50->600mA
Those values should be in uV and uA. Also the values basically
describe the dumb battery, so please use this binding:
Documentation/devicetree/bindings/power/supply/battery.txt
> + - reset-gpios: GPIO used for Master reset
> + - low-power-gpios: GPIO used for low power mode of IC.
> + - charge-enable-gpios: GPIO used to turn on and off charging.
> + - pg-gpios: GPIO used for connecting the bq2515x device PG (Power Good)
> + pin. This pin should be used if possible as this is the
> + recommended way to obtain the charger's input PG state.
> + If this pin is not specified a software-based approach for PG
> + detection is used.
> +
> +Example
> +bq25150@6b {
charger@6b
> + compatible = "ti,bq25150";
> + reg = <0x6b>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + pg-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
> + reset-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
> + low-power-gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
> + charge-enable-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
> +
> + ti,charge-current = <300>;
> + ti,battery-regulation-voltage = <4200>;
> +};
> +
> +Reference Datasheet:
> +http://www.ti.com/lit/ds/symlink/bq25150.pdf
> +http://www.ti.com/lit/ds/symlink/bq25155.pdf
> --
> 2.22.0.214.g8dca754b1e
>
-- Sebastian
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