From bb718cad0a62717cab1fd847c94623d599e05c86 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Mon, 7 Jun 2021 08:49:17 -0500 Subject: dt-bindings: rtc: Add Arm PL031 schema 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 Cc: linux-rtc@vger.kernel.org Acked-by: Alexandre Belloni Signed-off-by: Rob Herring Link: https://lore.kernel.org/r/20210607193718.3090202-1-robh@kernel.org/ --- .../devicetree/bindings/rtc/arm,pl031.yaml | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/arm,pl031.yaml (limited to 'Documentation/devicetree/bindings/rtc') diff --git a/Documentation/devicetree/bindings/rtc/arm,pl031.yaml b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml new file mode 100644 index 000000000000..fa5f2eda372e --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml @@ -0,0 +1,58 @@ +# 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 + +properties: + compatible: + items: + - const: arm,pl031 + - const: arm,primecell + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + maxItems: 1 + + start-year: true + +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"; + }; -- cgit v1.2.3