linux-kernel - [PATCH] dt-bindings: serial: Convert UniPhier UART to json-schema

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Date:   Fri, 21 Feb 2020 11:11:36 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>
Cc:     Frank Rowand <frowand.list@...il.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org
Subject: [PATCH] dt-bindings: serial: Convert UniPhier UART to json-schema

Convert the UniPhier UART binding to DT schema format.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 .../serial/socionext,uniphier-uart.yaml       | 46 +++++++++++++++++++
 .../bindings/serial/uniphier-uart.txt         | 22 ---------
 2 files changed, 46 insertions(+), 22 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml
 delete mode 100644 Documentation/devicetree/bindings/serial/uniphier-uart.txt

diff --git a/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml b/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml
new file mode 100644
index 000000000000..09a30300850c
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/socionext,uniphier-uart.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: UniPhier UART controller
+
+maintainers:
+  - Masahiro Yamada <yamada.masahiro@...ionext.com>
+
+properties:
+  compatible:
+    const: socionext,uniphier-uart
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+
+  auto-flow-control:
+    description: enable automatic flow control support.
+    $ref: /schemas/types.yaml#/definitions/flag
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+examples:
+  - |
+    aliases {
+        serial0 = &serial0;
+    };
+
+    serial0: serial@...06800 {
+        compatible = "socionext,uniphier-uart";
+        reg = <0x54006800 0x40>;
+        interrupts = <0 33 4>;
+        clocks = <&uart_clk>;
+    };
diff --git a/Documentation/devicetree/bindings/serial/uniphier-uart.txt b/Documentation/devicetree/bindings/serial/uniphier-uart.txt
deleted file mode 100644
index 7a1bf02bb869..000000000000
--- a/Documentation/devicetree/bindings/serial/uniphier-uart.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-UniPhier UART controller
-
-Required properties:
-- compatible: should be "socionext,uniphier-uart".
-- reg: offset and length of the register set for the device.
-- interrupts: a single interrupt specifier.
-- clocks: phandle to the input clock.
-
-Optional properties:
--auto-flow-control: enable automatic flow control support.
-
-Example:
-	aliases {
-		serial0 = &serial0;
-	};
-
-	serial0: serial@...06800 {
-		compatible = "socionext,uniphier-uart";
-		reg = <0x54006800 0x40>;
-		interrupts = <0 33 4>;
-		clocks = <&uart_clk>;
-	};
-- 
2.17.1