linux-kernel - [PATCH V2 3/3] dt-bindings: nvmem: Convert MXS OCOTP to json-schema

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Date:   Tue, 21 Apr 2020 22:09:41 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     srinivas.kandagatla@...aro.org, robh+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH V2 3/3] dt-bindings: nvmem: Convert MXS OCOTP to json-schema

Convert the MXS OCOTP binding to DT schema format using json-schema.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
Changes since V1:
	- drop clocks description.
---
 .../devicetree/bindings/nvmem/mxs-ocotp.txt        | 24 -----------
 .../devicetree/bindings/nvmem/mxs-ocotp.yaml       | 50 ++++++++++++++++++++++
 2 files changed, 50 insertions(+), 24 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/nvmem/mxs-ocotp.txt
 create mode 100644 Documentation/devicetree/bindings/nvmem/mxs-ocotp.yaml

diff --git a/Documentation/devicetree/bindings/nvmem/mxs-ocotp.txt b/Documentation/devicetree/bindings/nvmem/mxs-ocotp.txt
deleted file mode 100644
index 372c72f..0000000
--- a/Documentation/devicetree/bindings/nvmem/mxs-ocotp.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-On-Chip OTP Memory for Freescale i.MX23/i.MX28
-
-Required properties :
-- compatible :
-  - "fsl,imx23-ocotp" for i.MX23
-  - "fsl,imx28-ocotp" for i.MX28
-- #address-cells : Should be 1
-- #size-cells : Should be 1
-- reg : Address and length of OTP controller registers
-- clocks : Should contain a reference to the hbus clock
-
-= Data cells =
-Are child nodes of mxs-ocotp, bindings of which as described in
-bindings/nvmem/nvmem.txt
-
-Example for i.MX28:
-
-	ocotp: ocotp@...2c000 {
-		compatible = "fsl,imx28-ocotp", "fsl,ocotp";
-		#address-cells = <1>;
-		#size-cells = <1>;
-		reg = <0x8002c000 0x2000>;
-		clocks = <&clks 25>;
-	};
diff --git a/Documentation/devicetree/bindings/nvmem/mxs-ocotp.yaml b/Documentation/devicetree/bindings/nvmem/mxs-ocotp.yaml
new file mode 100644
index 0000000..ff317fd
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/mxs-ocotp.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/mxs-ocotp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: On-Chip OTP Memory for Freescale i.MX23/i.MX28
+
+maintainers:
+  - Anson Huang <Anson.Huang@....com>
+
+allOf:
+  - $ref: "nvmem.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx23-ocotp
+      - fsl,imx28-ocotp
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    ocotp: efuse@...2c000 {
+        compatible = "fsl,imx28-ocotp";
+        #address-cells = <1>;
+        #size-cells = <1>;
+        reg = <0x8002c000 0x2000>;
+        clocks = <&clks 25>;
+    };
+
+...
-- 
2.7.4