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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
To: Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
	Eddie Huang <eddie.huang@mediatek.com>,
	Sean Wang <sean.wang@mediatek.com>,
	linux-rtc@vger.kernel.org,
	devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	=?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH] dt-bindings: rtc: convert MT7622 RTC to the json-schema
Date: Tue, 23 Jan 2024 13:50:43 +0100
Message-Id: <20240123125043.27192-1-zajec5@gmail.com>
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From: Rafał Miłecki <rafal@milecki.pl>

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>
---
 .../bindings/rtc/mediatek,mt7622-rtc.yaml     | 52 +++++++++++++++++++
 .../devicetree/bindings/rtc/rtc-mt7622.txt    | 21 --------
 2 files changed, 52 insertions(+), 21 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml
 delete mode 100644 Documentation/devicetree/bindings/rtc/rtc-mt7622.txt

diff --git a/Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml b/Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml
new file mode 100644
index 000000000000..e74dfc161cfc
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml
@@ -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";
+    };
diff --git a/Documentation/devicetree/bindings/rtc/rtc-mt7622.txt b/Documentation/devicetree/bindings/rtc/rtc-mt7622.txt
deleted file mode 100644
index 09fe8f51476f..000000000000
--- a/Documentation/devicetree/bindings/rtc/rtc-mt7622.txt
+++ /dev/null
@@ -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";
-};
-- 
2.35.3