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dt-bindings: rtc: convert MT7622 RTC to the json-schema

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This helps validating DTS files. Introduced changes:
1. Reworded title
2. Dropper redundant properties descriptions
3. Added required #include-s and adjusted "reg" in example

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240123125043.27192-1-zajec5@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Rafał Miłecki 2024-01-23 13:50:43 +01:00 committed by Alexandre Belloni
parent e8c0498505
commit aef3952ec1
2 changed files with 52 additions and 21 deletions
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52
Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml Normal file
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@ -0,0 +1,52 @@
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/rtc/mediatek,mt7622-rtc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek MT7622 on-SoC RTC
allOf:
- $ref: rtc.yaml#
maintainers:
- Sean Wang <sean.wang@mediatek.com>
properties:
compatible:
items:
- const: mediatek,mt7622-rtc
- const: mediatek,soc-rtc
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-names:
const: rtc
required:
- reg
- interrupts
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/mt7622-clk.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
rtc@10212800 {
compatible = "mediatek,mt7622-rtc", "mediatek,soc-rtc";
reg = <0x10212800 0x200>;
interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_LOW>;
clocks = <&topckgen CLK_TOP_RTC>;
clock-names = "rtc";
};

21
Documentation/devicetree/bindings/rtc/rtc-mt7622.txt
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@ -1,21 +0,0 @@
Device-Tree bindings for MediaTek SoC based RTC
Required properties:
- compatible : Should be
"mediatek,mt7622-rtc", "mediatek,soc-rtc" : for MT7622 SoC
- reg : Specifies base physical address and size of the registers;
- interrupts : Should contain the interrupt for RTC alarm;
- clocks : Specifies list of clock specifiers, corresponding to
entries in clock-names property;
- clock-names : Should contain "rtc" entries
Example:
rtc: rtc@10212800 {
compatible = "mediatek,mt7622-rtc",
"mediatek,soc-rtc";
reg = <0 0x10212800 0 0x200>;
interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_LOW>;
clocks = <&topckgen CLK_TOP_RTC>;
clock-names = "rtc";
};