linux-kernel - [PATCH v2 2/4] dt-bindings: rtc: alphascale,asm9260-rtc: convert to dtschema

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Date: Mon, 25 Mar 2024 22:10:09 +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>
Subject: [PATCH v2 2/4] dt-bindings: rtc: alphascale,asm9260-rtc: convert
 to dtschema

Convert existing binding to dtschema to support validation.

This is a direct conversion with no additions.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
---
 .../bindings/rtc/alphascale,asm9260-rtc.txt        | 19 --------
 .../bindings/rtc/alphascale,asm9260-rtc.yaml       | 52 ++++++++++++++++++++++
 2 files changed, 52 insertions(+), 19 deletions(-)

diff --git a/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt b/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt
deleted file mode 100644
index 76ebca568db9..000000000000
--- a/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-* Alphascale asm9260 SoC Real Time Clock
-
-Required properties:
-- compatible: Should be "alphascale,asm9260-rtc"
-- reg: Physical base address of the controller and length
-       of memory mapped region.
-- interrupts: IRQ line for the RTC.
-- clocks: Reference to the clock entry.
-- clock-names: should contain:
-  * "ahb" for the SoC RTC clock
-
-Example:
-rtc0: rtc@...a0000 {
-	compatible = "alphascale,asm9260-rtc";
-	reg = <0x800a0000 0x100>;
-	clocks = <&acc CLKID_AHB_RTC>;
-	clock-names = "ahb";
-	interrupts = <2>;
-};
diff --git a/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.yaml b/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.yaml
new file mode 100644
index 000000000000..8acd5e94fd58
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/alphascale,asm9260-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Alphascale asm9260 SoC Real Time Clock
+
+maintainers:
+  - Javier Carrasco <javier.carrasco.cruz@...il.com>
+
+allOf:
+  - $ref: rtc.yaml#
+
+properties:
+  compatible:
+    const: alphascale,asm9260-rtc
+
+  reg:
+    description:
+      Base address and length of the register region.
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: ahb
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/alphascale,asm9260.h>
+
+    rtc@...a0000 {
+        compatible = "alphascale,asm9260-rtc";
+        reg = <0x800a0000 0x100>;
+        clocks = <&acc CLKID_AHB_RTC>;
+        clock-names = "ahb";
+        interrupts = <2>;
+    };

-- 
2.40.1