| Message ID | 20230331210840.4061-3-stefan.wahren@chargebyte.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | ARM: dts: imx6ull: Add chargebyte Tarragon support | expand |
On 31/03/2023 23:08, Stefan Wahren wrote: > Even this binding look trivial, the actual hardware supports more > features (e.g. sleep mode control GPIO). So add this as a dedicated > devicetree binding for the Maxim DS2482/DS2484 I2C to 1-W bridges, > which can be extended later. > > Signed-off-by: Stefan Wahren <stefan.wahren@chargebyte.com> > --- > .../devicetree/bindings/w1/maxim,ds2482.yaml | 43 +++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/w1/maxim,ds2482.yaml > > diff --git a/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml > new file mode 100644 > index 000000000000..fd692a3a7400 > --- /dev/null > +++ b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml > @@ -0,0 +1,43 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- This is still incomplete as it does not allow children, but you mentioned it in commit msg and other two bindings are limited as well, so sounds ok: Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
On Fri, Mar 31, 2023 at 11:08:36PM +0200, Stefan Wahren wrote: > Even this binding look trivial, the actual hardware supports more > features (e.g. sleep mode control GPIO). So add this as a dedicated > devicetree binding for the Maxim DS2482/DS2484 I2C to 1-W bridges, > which can be extended later. > > Signed-off-by: Stefan Wahren <stefan.wahren@chargebyte.com> > --- > .../devicetree/bindings/w1/maxim,ds2482.yaml | 43 +++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/w1/maxim,ds2482.yaml > > diff --git a/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml > new file mode 100644 > index 000000000000..fd692a3a7400 > --- /dev/null > +++ b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml > @@ -0,0 +1,43 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/w1/maxim,ds2482.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Maxim One wire bus master controller > + > +maintainers: > + - Stefan Wahren <stefan.wahren@chargebyte.com> > + > +description: | > + I2C to 1-wire bridges > + > + https://www.analog.com/media/en/technical-documentation/data-sheets/ds2482-100.pdf > + https://www.analog.com/media/en/technical-documentation/data-sheets/DS2482-800.pdf > + https://www.analog.com/media/en/technical-documentation/data-sheets/DS2484.pdf > + > +properties: > + compatible: > + enum: > + - maxim,ds2482 > + - maxim,ds2484 > + > + reg: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + > +additionalProperties: false To allow children, all that's needed for 1-wire is: additionalProperties: type: object > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + onewire@18 { > + compatible = "maxim,ds2484"; > + reg = <0x18>; > + }; > + }; > -- > 2.17.1 >
diff --git a/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml new file mode 100644 index 000000000000..fd692a3a7400 --- /dev/null +++ b/Documentation/devicetree/bindings/w1/maxim,ds2482.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/w1/maxim,ds2482.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim One wire bus master controller + +maintainers: + - Stefan Wahren <stefan.wahren@chargebyte.com> + +description: | + I2C to 1-wire bridges + + https://www.analog.com/media/en/technical-documentation/data-sheets/ds2482-100.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/DS2482-800.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/DS2484.pdf + +properties: + compatible: + enum: + - maxim,ds2482 + - maxim,ds2484 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + onewire@18 { + compatible = "maxim,ds2484"; + reg = <0x18>; + }; + };
Even this binding look trivial, the actual hardware supports more features (e.g. sleep mode control GPIO). So add this as a dedicated devicetree binding for the Maxim DS2482/DS2484 I2C to 1-W bridges, which can be extended later. Signed-off-by: Stefan Wahren <stefan.wahren@chargebyte.com> --- .../devicetree/bindings/w1/maxim,ds2482.yaml | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/w1/maxim,ds2482.yaml