linux/Documentation/devicetree/bindings/rtc/renesas,rzn1-rtc.yaml
Miquel Raynal 4c4d145a65 dt-bindings: rtc: rzn1: Describe the RZN1 RTC
Add new binding file for this RTC.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220516082504.33913-2-miquel.raynal@bootlin.com
2022-05-17 23:11:44 +02:00

71 lines
1.4 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/rtc/renesas,rzn1-rtc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas RZ/N1 SoCs Real-Time Clock DT bindings
maintainers:
- Miquel Raynal <miquel.raynal@bootlin.com>
allOf:
- $ref: rtc.yaml#
properties:
compatible:
items:
- enum:
- renesas,r9a06g032-rtc
- const: renesas,rzn1-rtc
reg:
maxItems: 1
interrupts:
minItems: 3
maxItems: 3
interrupt-names:
items:
- const: alarm
- const: timer
- const: pps
clocks:
maxItems: 1
clock-names:
const: hclk
power-domains:
maxItems: 1
required:
- compatible
- reg
- interrupts
- interrupt-names
- clocks
- clock-names
- power-domains
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/r9a06g032-sysctrl.h>
rtc@40006000 {
compatible = "renesas,r9a06g032-rtc", "renesas,rzn1-rtc";
reg = <0x40006000 0x1000>;
interrupts = <GIC_SPI 66 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 67 IRQ_TYPE_EDGE_RISING>,
<GIC_SPI 68 IRQ_TYPE_EDGE_RISING>;
interrupt-names = "alarm", "timer", "pps";
clocks = <&sysctrl R9A06G032_HCLK_RTC>;
clock-names = "hclk";
power-domains = <&sysctrl>;
start-year = <2000>;
};