51 lines
923 B
YAML
51 lines
923 B
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/rtc/st,m41t93.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ST M41T93 RTC and compatible
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maintainers:
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- Akhilesh Patil <akhilesh@ee.iitb.ac.in>
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description:
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ST M41T93 is spi based Real Time Clock (RTC) with time, date,
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alarm, watchdog, square wave clock output, 8 bit timer and
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7 bytes of user SRAM.
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properties:
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compatible:
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enum:
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- st,m41t93
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reg:
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maxItems: 1
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"#clock-cells":
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const: 0
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required:
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- compatible
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- reg
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allOf:
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- $ref: rtc.yaml
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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unevaluatedProperties: false
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examples:
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- |
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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rtc@0 {
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compatible = "st,m41t93";
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reg = <0>;
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#clock-cells = <0>;
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spi-max-frequency = <2000000>;
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};
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};
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