On Wed, Jan 29, 2020 at 02:34:31PM -0500, min.li.xe@xxxxxxxxxxx wrote: > From: Min Li <min.li.xe@xxxxxxxxxxx> > > Add device tree binding doc for the PTP clock based on IDT 82P33 > Synchronization Management Unit (SMU). > > Signed-off-by: Min Li <min.li.xe@xxxxxxxxxxx> > --- > .../devicetree/bindings/ptp/ptp-idt82p33.yaml | 47 ++++++++++++++++++++++ > 1 file changed, 47 insertions(+) > create mode 100644 Documentation/devicetree/bindings/ptp/ptp-idt82p33.yaml > > diff --git a/Documentation/devicetree/bindings/ptp/ptp-idt82p33.yaml b/Documentation/devicetree/bindings/ptp/ptp-idt82p33.yaml > new file mode 100644 > index 0000000..11d1b40 > --- /dev/null > +++ b/Documentation/devicetree/bindings/ptp/ptp-idt82p33.yaml > @@ -0,0 +1,47 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/ptp/ptp-idt82p33.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: IDT 82P33 PTP Clock Device Tree Bindings > + > +description: | > + IDT 82P33XXX Synchronization Management Unit (SMU) based PTP clock > + > +maintainers: > + - Min Li <min.li.xe@xxxxxxxxxxx> > + > +properties: > + compatible: > + enum: > + - idt,82p33810 > + - idt,82p33813 > + - idt,82p33814 > + - idt,82p33831 > + - idt,82p33910 > + - idt,82p33913 > + - idt,82p33914 > + - idt,82p33931 > + > + reg: > + maxItems: 1 > + description: > + I2C slave address of the device. Can drop the description. That's every device. > + > +required: > + - compatible > + - reg > + > +examples: > + - | > + i2c@1 { > + compatible = "abc,acme-1234"; > + reg = <0x01 0x400>; Just do: i2c { Eventually undocumented compatibles are going to throw warnings. > + #address-cells = <1>; > + #size-cells = <0>; > + phc@51 { > + compatible = "idt,82p33810"; > + reg = <0x51>; > + }; > + }; > -- > 2.7.4 >
