linux-kernel - [PATCH] dt-bindings: serial: Convert cnxt,cx92755-usart to DT schema

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Message-ID: <20250506220025.2545995-1-robh@kernel.org>
Date: Tue,  6 May 2025 17:00:24 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Baruch Siach <baruch@...s.co.il>
Cc: linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] dt-bindings: serial: Convert cnxt,cx92755-usart to DT schema

Convert the Conexant Digicolor USART binding to DT schema. It is a
straight-forward conversion.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 .../bindings/serial/cnxt,cx92755-usart.yaml   | 48 +++++++++++++++++++
 .../bindings/serial/digicolor-usart.txt       | 27 -----------
 2 files changed, 48 insertions(+), 27 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/serial/cnxt,cx92755-usart.yaml
 delete mode 100644 Documentation/devicetree/bindings/serial/digicolor-usart.txt

diff --git a/Documentation/devicetree/bindings/serial/cnxt,cx92755-usart.yaml b/Documentation/devicetree/bindings/serial/cnxt,cx92755-usart.yaml
new file mode 100644
index 000000000000..720229455330
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/cnxt,cx92755-usart.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/cnxt,cx92755-usart.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Conexant Digicolor USART
+
+maintainers:
+  - Baruch Siach <baruch@...s.co.il>
+
+description: >
+  Note: this binding is only applicable for using the USART peripheral as UART.
+  USART also support synchronous serial protocols like SPI and I2S.
+  Use the binding that matches the wiring of your system.
+
+allOf:
+  - $ref: /schemas/serial/serial.yaml#
+
+properties:
+  compatible:
+    const: cnxt,cx92755-usart
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    serial@...00740 {
+        compatible = "cnxt,cx92755-usart";
+        reg = <0xf0000740 0x20>;
+        clocks = <&main_clk>;
+        interrupts = <44>;
+    };
diff --git a/Documentation/devicetree/bindings/serial/digicolor-usart.txt b/Documentation/devicetree/bindings/serial/digicolor-usart.txt
deleted file mode 100644
index 2d3ede66889d..000000000000
--- a/Documentation/devicetree/bindings/serial/digicolor-usart.txt
+++ /dev/null
@@ -1,27 +0,0 @@
-Binding for Conexant Digicolor USART
-
-Note: this binding is only applicable for using the USART peripheral as
-UART. USART also support synchronous serial protocols like SPI and I2S. Use
-the binding that matches the wiring of your system.
-
-Required properties:
-- compatible : should be "cnxt,cx92755-usart".
-- reg: Should contain USART controller registers location and length.
-- interrupts: Should contain a single USART controller interrupt.
-- clocks: Must contain phandles to the USART clock
-  See ../clocks/clock-bindings.txt for details.
-
-Note: Each UART port should have an alias correctly numbered
-in "aliases" node.
-
-Example:
-	aliases {
-		serial0 = &uart0;
-	};
-
-	uart0: uart@...00740 {
-		compatible = "cnxt,cx92755-usart";
-		reg = <0xf0000740 0x20>;
-		clocks = <&main_clk>;
-		interrupts = <44>;
-	};
-- 
2.47.2