| Message ID | 20210607193718.3090202-1-robh@kernel.org |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | dt-bindings: rtc: Add Arm PL031 schema | expand |
Hello Rob, On 07/06/2021 14:37:18-0500, Rob Herring wrote: > The PL031 RTC binding has been in use for a long time, but never got > documented. Fortunately, it's simple and existing users are consistent. > > Cc: Alessandro Zummo <a.zummo@towertech.it> > Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> > Cc: linux-rtc@vger.kernel.org > Signed-off-by: Rob Herring <robh@kernel.org> > --- > .../devicetree/bindings/rtc/arm,pl031.yaml | 56 +++++++++++++++++++ > 1 file changed, 56 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rtc/arm,pl031.yaml > > diff --git a/Documentation/devicetree/bindings/rtc/arm,pl031.yaml b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml > new file mode 100644 > index 000000000000..77452c9e9b63 > --- /dev/null > +++ b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml > @@ -0,0 +1,56 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/rtc/arm,pl031.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Arm Primecell PL031 Real Time Clock > + > +select: > + properties: > + compatible: > + contains: > + const: arm,pl031 > + required: > + - compatible > + > +allOf: > + - $ref: rtc.yaml# > + > +maintainers: > + - Rob Herring <robh@kernel.org> > + > +properties: > + compatible: > + items: > + - const: arm,pl031 > + - const: arm,primecell > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + As the driver sets the range, it also supports start-date from rtc.yaml With that added: Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
diff --git a/Documentation/devicetree/bindings/rtc/arm,pl031.yaml b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml new file mode 100644 index 000000000000..77452c9e9b63 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/arm,pl031.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Arm Primecell PL031 Real Time Clock + +select: + properties: + compatible: + contains: + const: arm,pl031 + required: + - compatible + +allOf: + - $ref: rtc.yaml# + +maintainers: + - Rob Herring <robh@kernel.org> + +properties: + compatible: + items: + - const: arm,pl031 + - const: arm,primecell + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + rtc@10017000 { + compatible = "arm,pl031", "arm,primecell"; + reg = <0x10017000 0x1000>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + };
The PL031 RTC binding has been in use for a long time, but never got documented. Fortunately, it's simple and existing users are consistent. Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: linux-rtc@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> --- .../devicetree/bindings/rtc/arm,pl031.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/arm,pl031.yaml