[PATCH] dt-bindings: rtc: Add Arm PL031 schema
From: Rob Herring <robh@kernel.org>
Date: 2021-06-07 19:37:38
Also in:
linux-rtc, lkml
Subsystem:
open firmware and flattened device tree bindings, real time clock (rtc) subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Alexandre Belloni, Linus Torvalds
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 <redacted> 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 + +additionalProperties: false + +examples: + - | + rtc@10017000 { + compatible = "arm,pl031", "arm,primecell"; + reg = <0x10017000 0x1000>; + clocks = <&pclk>; + clock-names = "apb_pclk"; + };
--
2.27.0