On 08/11/2021 16:05, conor.dooley@xxxxxxxxxxxxx wrote: > From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > > Add device tree bindings for the real time clock on > the Microchip PolarFire SoC. > > Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > Signed-off-by: Daire McNamara <daire.mcnamara@xxxxxxxxxxxxx> > --- > .../bindings/rtc/microchip,mfps-rtc.yaml | 61 +++++++++++++++++++ > 1 file changed, 61 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml > > diff --git a/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml > new file mode 100644 > index 000000000000..c82b3e7351e0 > --- /dev/null > +++ b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml > @@ -0,0 +1,61 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/rtc/microchip,mfps-rtc.yaml# > + > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Microchip PolarFire Soc (MPFS) RTC Device Tree Bindings > + > +allOf: > + - $ref: "rtc.yaml#" No need for quotes. > + > +maintainers: > + - Daire McNamara <daire.mcnamara@xxxxxxxxxxxxx> > + - Lewis Hanly <lewis.hanly@xxxxxxxxxxxxx> > + > +properties: > + compatible: > + enum: > + - microchip,mpfs-rtc > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + prescaler: > + maxItems: 1 You need to describe the type and add description. This does not look like standard property, so it needs vendor prefix. > + > + clocks: > + maxItems: 1 > + > + clock-names: > + items: > + - const: rtc > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/microchip,mpfs-clock.h> > + soc { > + #address-cells = <2>; > + #size-cells = <2>; Add a blank line before new node. The same in previous examples. > + rtc@20124000 { > + compatible = "microchip,mpfs-rtc"; > + reg = <0 0x20124000 0 0x1000>; > + clocks = <&clkcfg CLK_RTC>; > + clock-names = "rtc"; > + interrupts = <80>; > + }; > + }; > +... > Best regards, Krzysztof