linux-kernel - [PATCH V2 2/3] dt-bindings: nvmem: Convert i.MX IIM to json-schema

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Date:   Tue, 21 Apr 2020 22:09:40 +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 2/3] dt-bindings: nvmem: Convert i.MX IIM to json-schema

Convert the i.MX IIM 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/imx-iim.txt          | 22 ---------
 .../devicetree/bindings/nvmem/imx-iim.yaml         | 57 ++++++++++++++++++++++
 2 files changed, 57 insertions(+), 22 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/nvmem/imx-iim.txt
 create mode 100644 Documentation/devicetree/bindings/nvmem/imx-iim.yaml

diff --git a/Documentation/devicetree/bindings/nvmem/imx-iim.txt b/Documentation/devicetree/bindings/nvmem/imx-iim.txt
deleted file mode 100644
index 1978c5b..0000000
--- a/Documentation/devicetree/bindings/nvmem/imx-iim.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-Freescale i.MX IC Identification Module (IIM) device tree bindings
-
-This binding represents the IC Identification Module (IIM) found on
-i.MX25, i.MX27, i.MX31, i.MX35, i.MX51 and i.MX53 SoCs.
-
-Required properties:
-- compatible: should be one of
-	"fsl,imx25-iim", "fsl,imx27-iim",
-	"fsl,imx31-iim", "fsl,imx35-iim",
-	"fsl,imx51-iim", "fsl,imx53-iim",
-- reg: Should contain the register base and length.
-- interrupts: Should contain the interrupt for the IIM
-- clocks: Should contain a phandle pointing to the gated peripheral clock.
-
-Example:
-
-	iim: iim@...98000 {
-		compatible = "fsl,imx53-iim", "fsl,imx27-iim";
-		reg = <0x63f98000 0x4000>;
-		interrupts = <69>;
-                clocks = <&clks IMX5_CLK_IIM_GATE>;
-	};
diff --git a/Documentation/devicetree/bindings/nvmem/imx-iim.yaml b/Documentation/devicetree/bindings/nvmem/imx-iim.yaml
new file mode 100644
index 0000000..9cc43e7
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/imx-iim.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/imx-iim.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX IC Identification Module (IIM) device tree bindings
+
+maintainers:
+  - Anson Huang <Anson.Huang@....com>
+
+description: |
+  This binding represents the IC Identification Module (IIM) found on
+  i.MX25, i.MX27, i.MX31, i.MX35, i.MX51 and i.MX53 SoCs.
+
+allOf:
+  - $ref: "nvmem.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx25-iim
+      - fsl,imx27-iim
+      - fsl,imx31-iim
+      - fsl,imx35-iim
+      - fsl,imx51-iim
+      - fsl,imx53-iim
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx5-clock.h>
+
+    iim: efuse@...98000 {
+        compatible = "fsl,imx53-iim";
+        reg = <0x63f98000 0x4000>;
+        interrupts = <69>;
+        clocks = <&clks IMX5_CLK_IIM_GATE>;
+    };
+
+...
-- 
2.7.4