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Add "loongson,ls2k0300-rtc" dedicated compatible to represent the RTC interface of the Loongson-2K0300 chip. Its hardware design is similar to that of the Loongson-1B, but it does not support the alarm feature. Reviewed-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://patch.msgid.link/0c6a4fd221b5bf05f06cae9bb543a5bf7ea59f57.1768616276.git.zhoubinbin@loongson.cn Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
70 lines
1.3 KiB
YAML
70 lines
1.3 KiB
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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$id: http://devicetree.org/schemas/rtc/loongson,rtc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Loongson Real-Time Clock
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description:
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The Loongson family chips use an on-chip counter 0 (Time Of Year
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counter) as the RTC.
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maintainers:
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- Binbin Zhou <zhoubinbin@loongson.cn>
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allOf:
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- $ref: rtc.yaml#
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properties:
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compatible:
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oneOf:
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- enum:
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- loongson,ls1b-rtc
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- loongson,ls1c-rtc
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- loongson,ls7a-rtc
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- loongson,ls2k0300-rtc
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- loongson,ls2k1000-rtc
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- items:
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- enum:
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- loongson,ls2k2000-rtc
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- loongson,ls2k0500-rtc
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- const: loongson,ls7a-rtc
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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if:
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properties:
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compatible:
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contains:
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enum:
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- loongson,ls1c-rtc
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- loongson,ls2k0300-rtc
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then:
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properties:
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interrupts: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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rtc@1fe27800 {
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compatible = "loongson,ls2k1000-rtc";
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reg = <0x1fe27800 0x100>;
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interrupt-parent = <&liointc1>;
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interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
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};
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...
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