On Mon, Aug 17, 2020 at 02:17:22PM -0500, Ricardo Rivera-Matos wrote: > Add the bindings for the bq256xx series of battery charging ICs. > > Datasheets: > - https://www.ti.com/lit/ds/symlink/bq25600.pdf > - https://www.ti.com/lit/ds/symlink/bq25601.pdf > - https://www.ti.com/lit/ds/symlink/bq25600d.pdf > - https://www.ti.com/lit/ds/symlink/bq25601d.pdf > - https://www.ti.com/lit/ds/symlink/bq25611d.pdf > - https://www.ti.com/lit/ds/symlink/bq25618.pdf > - https://www.ti.com/lit/ds/symlink/bq25619.pdf > > Signed-off-by: Ricardo Rivera-Matos <r-rivera-matos@xxxxxx> > --- > .../bindings/power/supply/bq256xx.yaml | 99 +++++++++++++++++++ > 1 file changed, 99 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/bq256xx.yaml > > diff --git a/Documentation/devicetree/bindings/power/supply/bq256xx.yaml b/Documentation/devicetree/bindings/power/supply/bq256xx.yaml > new file mode 100644 > index 000000000000..67db4ba9fdb6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/supply/bq256xx.yaml > @@ -0,0 +1,99 @@ > +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) > +# Copyright (C) 2020 Texas Instruments Incorporated > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/power/supply/bq256xx.yaml#"; > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; > + > +title: TI bq256xx Switch Mode Buck Charger > + > +maintainers: > + - Ricardo Rivera-Matos <r-rivera-matos@xxxxxx> > + > +description: | > + The bq256xx devices are a family of highly-integrated battery charge > + management and system power management ICs for single cell Li-ion and Li- > + polymer batteries. > + > + Datasheets: > + - https://www.ti.com/lit/ds/symlink/bq25600.pdf > + - https://www.ti.com/lit/ds/symlink/bq25601.pdf > + - https://www.ti.com/lit/ds/symlink/bq25600d.pdf > + - https://www.ti.com/lit/ds/symlink/bq25601d.pdf > + - https://www.ti.com/lit/ds/symlink/bq25611d.pdf > + - https://www.ti.com/lit/ds/symlink/bq25618.pdf > + - https://www.ti.com/lit/ds/symlink/bq25619.pdf > + > +properties: > + compatible: > + enum: > + - ti,bq25600 > + - ti,bq25601 > + - ti,bq25600d > + - ti,bq25601d > + - ti,bq25611d > + - ti,bq25618 > + - ti,bq25619 > + > + reg: > + maxItems: 1 > + > + ti,watchdog-timer: Poorly named since we have 'ti,watchdog-timers' already and is completely different. > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: | > + Watchdog timer in milli seconds. 0 (default) disables the watchdog If you have units, then you should use standard unit suffix. > + minimum: 0 > + maximum: 160000 > + enum: [ 0, 40000, 80000, 160000] > + > + input-voltage-limit-microvolt: > + description: | > + Minimum input voltage limit in micro volts with a 100000 micro volt step > + minimum: 3900000 > + maximum: 5400000 > + > + input-current-limit-microamp: > + description: | > + Maximum input current limit in micro amps with a 100000 micro amp step > + minimum: 100000 > + maximum: 3200000 Aren't these properties of the battery, not the charger? > + > +required: > + - compatible > + - reg monitored-battery not required? Add: additionalProperties: false > + > +examples: > + - | > + bat: battery { > + compatible = "simple-battery"; > + constant-charge-current-max-microamp = <2040000>; > + constant-charge-voltage-max-microvolt = <4352000>; > + precharge-current-microamp = <180000>; > + termination-current-microamp = <180000>; > + }; > + #include <dt-bindings/gpio/gpio.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + i2c0 { i2c { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c2_pins>; Not relevant to the example. > + > + status = "okay"; Don't show status in examples. > + clock-frequency = <400000>; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + bq25601@6b { charger@6b > + compatible = "ti,bq25601"; > + reg = <0x6b>; > + monitored-battery = <&bat>; > + > + interrupt-parent = <&gpio1>; > + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; > + watchdog-timer = <40000>; > + > + input-voltage-limit-microvolt = <4500000>; > + input-current-limit-microamp = <2400000>; > + }; > + }; > +... > -- > 2.28.0 >
