linux-kernel - [PATCH v2 2/8] dt-bindings: serial: fsl-linflexuart: convert to json-schema format

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Date:   Wed,  8 Sep 2021 14:45:22 +0800
From:   Chester Lin <clin@...e.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Andreas Färber <afaerber@...e.de>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Stoica Cosmin-Stefan <cosmin.stoica@....com>,
        Larisa Grigore <larisa.grigore@....com>
CC:     s32@....com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-serial@...r.kernel.org, Shawn Guo <shawnguo@...nel.org>,
        Li Yang <leoyang.li@....com>, catalin-dan.udma@....com,
        bogdan.hamciuc@....com, bogdan.folea@....com,
        ciprianmarian.costea@....com,
        Radu Nicolae Pirea <radu-nicolae.pirea@....nxp.com>,
        ghennadi.procopciuc@....com, Matthias Brugger <mbrugger@...e.com>,
        "Ivan T . Ivanov" <iivanov@...e.de>,
        "Lee, Chun-Yi" <jlee@...e.com>, Chester Lin <clin@...e.com>
Subject: [PATCH v2 2/8] dt-bindings: serial: fsl-linflexuart: convert to json-schema format

Convert the FSL LINFlexD UART binding to json-schema.

Signed-off-by: Chester Lin <clin@...e.com>
Reviewed-by: Andreas Färber <afaerber@...e.de>
---
Changes in v2:
- Drop the specific description "S32V234 SoC".
- Fill my name in the maintainer field. I tried to contact the authors
  of fsl,s32-linflexuart.txt but got no response.

 .../bindings/serial/fsl,s32-linflexuart.txt   | 22 ---------
 .../bindings/serial/fsl,s32-linflexuart.yaml  | 46 +++++++++++++++++++
 2 files changed, 46 insertions(+), 22 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt
 create mode 100644 Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml

diff --git a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt
deleted file mode 100644
index f1bbe0826be5..000000000000
--- a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-* Freescale LINFlexD UART
-
-The LINFlexD controller implements several LIN protocol versions, as well as
-support for full-duplex UART communication through 8-bit and 9-bit frames.
-
-See chapter 47 ("LINFlexD") in the reference manual[1].
-
-Required properties:
-- compatible :
-  - "fsl,s32v234-linflexuart" for LINFlexD configured in UART mode, which
-    is compatible with the one integrated on S32V234 SoC
-- reg : Address and length of the register set for the device
-- interrupts : Should contain uart interrupt
-
-Example:
-uart0: serial@...53000 {
-	compatible = "fsl,s32v234-linflexuart";
-	reg = <0x0 0x40053000 0x0 0x1000>;
-	interrupts = <0 59 4>;
-};
-
-[1] https://www.nxp.com/webapp/Download?colCode=S32V234RM
diff --git a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml
new file mode 100644
index 000000000000..b6fc123e8375
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/fsl,s32-linflexuart.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale LINFlexD UART
+
+description: |
+  The LINFlexD controller implements several LIN protocol versions, as well
+  as support for full-duplex UART communication through 8-bit and 9-bit
+  frames. See chapter 47 ("LINFlexD") in the reference manual
+  https://www.nxp.com/webapp/Download?colCode=S32V234RM.
+
+maintainers:
+  - Chester Lin <clin@...e.com>
+
+allOf:
+  - $ref: "serial.yaml"
+
+properties:
+  compatible:
+    description: The LINFlexD controller in UART mode.
+    items:
+      - const: fsl,s32v234-linflexuart
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    serial@...53000 {
+        compatible = "fsl,s32v234-linflexuart";
+        reg = <0x40053000 0x1000>;
+        interrupts = <0 59 4>;
+    };
-- 
2.30.0