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@xxxxxxxxxxxx> Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> Cc: linux-rtc@xxxxxxxxxxxxxxx Signed-off-by: Rob Herring <robh@xxxxxxxxxx> --- .../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@xxxxxxxxxx> + +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"; + }; -- 2.27.0
