linux-kernel - [RFC PATCH] dt-bindings: net: davinci-mdio: convert bindings to json-schema

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Date:   Thu, 24 Oct 2019 13:47:30 +0300
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     "David S. Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Sekhar Nori <nsekhar@...com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: [RFC PATCH] dt-bindings: net: davinci-mdio: convert bindings to json-schema

Now that we have the DT validation in place, let's convert the device tree
bindings for the TI SoC Davinci/OMAP/Keystone2 MDIO Controllerr over to a
YAML schemas.

Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
---
This my first attempt to work with YAML schemas, hence RFC.

 .../bindings/net/ti,davinci-mdio.yaml         | 64 +++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/ti,davinci-mdio.yaml

diff --git a/Documentation/devicetree/bindings/net/ti,davinci-mdio.yaml b/Documentation/devicetree/bindings/net/ti,davinci-mdio.yaml
new file mode 100644
index 000000000000..e51054d2e0fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ti,davinci-mdio.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/ti,davinci-mdio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI SoC Davinci/Keystone2 MDIO Controller
+
+maintainers:
+  - Grygorii Strashko <grygorii.strashko@...com>
+
+description:
+  TI SoC Davinci/Keystone2 MDIO Controller Device Tree Bindings
+
+allOf:
+  - $ref: "mdio.yaml#"
+
+properties:
+  compatible:
+    oneOf:
+       - const: ti,davinci_mdio
+       - items:
+         - const: ti,keystone_mdio
+         - const: ti,davinci_mdio
+       - items:
+         - const: ti,cpsw-mdio
+         - const: ti,davinci_mdio
+       - items:
+         - const: ti,am4372-mdio
+         - const: ti,cpsw-mdio
+         - const: ti,davinci_mdio
+
+  reg:
+    maxItems: 1
+
+  bus_freq:
+      maximum: 2500000
+      description:
+        Mdio Bus frequency
+
+  ti,hwmods:
+    description: TI hwmod name
+    deprecated: true
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/string-array
+      - items:
+          const: davinci_mdio
+
+required:
+  - compatible
+  - reg
+  - bus_freq
+  - "#address-cells"
+  - "#size-cells"
+
+examples:
+  - |
+    davinci_mdio: mdio@...01000 {
+         compatible = "ti,davinci_mdio";
+         #address-cells = <1>;
+         #size-cells = <0>;
+         reg = <0x4A101000 0x1000>;
+         bus_freq = <1000000>;
+    };
-- 
2.17.1