linux-kernel - [PATCH v3 4/4] dt-bindings: rtc: nxp,lpc1788-rtc: convert to dtschema

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Date: Tue, 26 Mar 2024 14:03:26 +0100
From: Javier Carrasco <javier.carrasco.cruz@...il.com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Baruch Siach <baruch@...s.co.il>
Cc: linux-rtc@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 Javier Carrasco <javier.carrasco.cruz@...il.com>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v3 4/4] dt-bindings: rtc: nxp,lpc1788-rtc: convert to
 dtschema

Convert existing binding to dtschema to support validation.

This is a direct conversion with no additions.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
---
 .../devicetree/bindings/rtc/nxp,lpc1788-rtc.txt    | 21 --------
 .../devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml   | 58 ++++++++++++++++++++++
 2 files changed, 58 insertions(+), 21 deletions(-)

diff --git a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.txt b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.txt
deleted file mode 100644
index 3c97bd180592..000000000000
--- a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-NXP LPC1788 real-time clock
-
-The LPC1788 RTC provides calendar and clock functionality
-together with periodic tick and alarm interrupt support.
-
-Required properties:
-- compatible	: must contain "nxp,lpc1788-rtc"
-- reg		: Specifies base physical address and size of the registers.
-- interrupts	: A single interrupt specifier.
-- clocks	: Must contain clock specifiers for rtc and register clock
-- clock-names	: Must contain "rtc" and "reg"
-  See ../clocks/clock-bindings.txt for details.
-
-Example:
-rtc: rtc@...46000 {
-	compatible = "nxp,lpc1788-rtc";
-	reg = <0x40046000 0x1000>;
-	interrupts = <47>;
-	clocks = <&creg_clk 0>, <&ccu1 CLK_CPU_BUS>;
-	clock-names = "rtc", "reg";
-};
diff --git a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
new file mode 100644
index 000000000000..e88b847a1cc5
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/nxp,lpc1788-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP LPC1788 real-time clock
+
+description:
+  The LPC1788 RTC provides calendar and clock functionality
+  together with periodic tick and alarm interrupt support.
+
+maintainers:
+  - Javier Carrasco <javier.carrasco.cruz@...il.com>
+
+allOf:
+  - $ref: rtc.yaml#
+
+properties:
+  compatible:
+    const: nxp,lpc1788-rtc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: RTC clock
+      - description: Register clock
+
+  clock-names:
+    items:
+      - const: rtc
+      - const: reg
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/lpc18xx-ccu.h>
+
+    rtc@...46000 {
+        compatible = "nxp,lpc1788-rtc";
+        reg = <0x40046000 0x1000>;
+        clocks = <&creg_clk 0>, <&ccu1 CLK_CPU_BUS>;
+        clock-names = "rtc", "reg";
+        interrupts = <47>;
+    };

-- 
2.40.1