On Sun, Mar 15, 2020 at 08:19:13PM +0100, Tobias Schramm wrote: > This patch adds the dts binding schema for the cw2015 fuel gauge. > > Signed-off-by: Tobias Schramm <t.schramm@xxxxxxxxxxx> > --- > .../bindings/power/supply/cw2015_battery.yaml | 83 +++++++++++++++++++ > 1 file changed, 83 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/cw2015_battery.yaml > > diff --git a/Documentation/devicetree/bindings/power/supply/cw2015_battery.yaml b/Documentation/devicetree/bindings/power/supply/cw2015_battery.yaml > new file mode 100644 > index 000000000000..f789882312da > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/supply/cw2015_battery.yaml > @@ -0,0 +1,83 @@ > +# SPDX-License-Identifier: GPL-2.0 Dual license new bindings please: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/power/supply/cw2015_battery.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Battery driver for CW2015 shuntless fuel gauge by CellWise. > + > +maintainers: > + - Tobias Schramm <t.schramm@xxxxxxxxxxx> > + > +description: | > + The driver can utilize information from a simple-battery linked via a > + phandle in monitored-battery. If specified the driver uses the > + charge-full-design-microamp-hours property of the battery. > + > +properties: > + compatible: > + const: cellwise,cw2015 > + > + reg: > + items: > + - description: i2c address Just: maxItems: 1 > + > + cellwise,battery-profile: > + description: | > + This property specifies characteristics of the battery used. The format > + of this binary blob is kept secret by CellWise. The only way to obtain > + it is to mail two batteries to a test facility of CellWise and receive > + back a test report with the binary blob. > + allOf: > + - $ref: /schemas/types.yaml#definitions/uint8-array > + items: > + - minItems: 64 > + maxItems: 64 > + > + cellwise,monitor-interval-ms: > + description: > + Specifies the interval in milliseconds gauge values are polled at > + $ref: /schemas/types.yaml#/definitions/uint32 Drop this as standard units already have a type definition. Is there some bounds to this? > + > + power-supplies: > + description: > + Specifies supplies used for charging the battery connected to this gauge > + allOf: > + - $ref: /schemas/types.yaml#/definitions/phandle-array > + - minItems: 1 > + maxItems: 8 # Should be enough > + > + monitored-battery: > + description: > + Specifies the phandle of a simple-battery connected to this gauge > + $ref: /schemas/types.yaml#/definitions/phandle These 2 properties should really have a common definition, but fine for now. > + > +required: > + - compatible > + - reg > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cw2015@62 { > + compatible = "cellwise,cw201x"; > + reg = <0x62>; > + cellwise,battery-profile = /bits/ 8 < > + 0x17 0x67 0x80 0x73 0x6E 0x6C 0x6B 0x63 > + 0x77 0x51 0x5C 0x58 0x50 0x4C 0x48 0x36 > + 0x15 0x0C 0x0C 0x19 0x5B 0x7D 0x6F 0x69 > + 0x69 0x5B 0x0C 0x29 0x20 0x40 0x52 0x59 > + 0x57 0x56 0x54 0x4F 0x3B 0x1F 0x7F 0x17 > + 0x06 0x1A 0x30 0x5A 0x85 0x93 0x96 0x2D > + 0x48 0x77 0x9C 0xB3 0x80 0x52 0x94 0xCB > + 0x2F 0x00 0x64 0xA5 0xB5 0x11 0xF0 0x11 > + >; > + cellwise,monitor-interval-ms = <5000>; > + monitored-battery = <&bat>; > + power-supplies = <&mains_charger>, <&usb_charger>; > + }; > + }; > + > -- > 2.24.1 >
