linux-kernel - [PATCH] dt-bindings: w1: Convert i.MX to json-schema

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Message-Id: <1596595091-26760-1-git-send-email-Anson.Huang@nxp.com>
Date:   Wed,  5 Aug 2020 10:38:11 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     zbr@...emap.net, robh+dt@...nel.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        mfuzzey@...keon.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH] dt-bindings: w1: Convert i.MX to json-schema

Convert the i.MX one wire binding to DT schema format using json-schema.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 .../devicetree/bindings/w1/fsl-imx-owire.txt       | 18 ----------
 .../devicetree/bindings/w1/fsl-imx-owire.yaml      | 42 ++++++++++++++++++++++
 2 files changed, 42 insertions(+), 18 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/w1/fsl-imx-owire.txt
 create mode 100644 Documentation/devicetree/bindings/w1/fsl-imx-owire.yaml

diff --git a/Documentation/devicetree/bindings/w1/fsl-imx-owire.txt b/Documentation/devicetree/bindings/w1/fsl-imx-owire.txt
deleted file mode 100644
index cbaa646..0000000
--- a/Documentation/devicetree/bindings/w1/fsl-imx-owire.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-* Freescale i.MX One wire bus master controller
-
-Required properties:
-- compatible : should be "fsl,imx21-owire"
-- reg : Address and length of the register set for the device
-
-Optional properties:
-- clocks : phandle of clock that supplies the module (required if platform
-		clock bindings use device tree)
-
-Example:
-
-- From imx53.dtsi:
-owire: owire@...a4000 {
-	compatible = "fsl,imx53-owire", "fsl,imx21-owire";
-	reg = <0x63fa4000 0x4000>;
-	clocks = <&clks 159>;
-};
diff --git a/Documentation/devicetree/bindings/w1/fsl-imx-owire.yaml b/Documentation/devicetree/bindings/w1/fsl-imx-owire.yaml
new file mode 100644
index 0000000..67681fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/w1/fsl-imx-owire.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/w1/fsl-imx-owire.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX One wire bus master controller
+
+maintainers:
+  - Martin Fuzzey <mfuzzey@...keon.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: fsl,imx21-owire
+      - items:
+          - enum:
+            - fsl,imx27-owire
+            - fsl,imx50-owire
+            - fsl,imx51-owire
+            - fsl,imx53-owire
+          - const: fsl,imx21-owire
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx5-clock.h>
+
+    owire@...a4000 {
+        compatible = "fsl,imx53-owire", "fsl,imx21-owire";
+        reg = <0x63fa4000 0x4000>;
+        clocks = <&clks IMX5_CLK_OWIRE_GATE>;
+    };
-- 
2.7.4