From 42c3dcedc6b76b1383e1b63be82b84c058b5a8ad Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@bootlin.com>
Date: Fri, 14 Jun 2019 15:32:21 +0100
Subject: [PATCH] dt-bindings: nvmem: Convert Allwinner SID to a schema

The Allwinner SoCs have an efuse supported in Linux, with a matching Device
Tree binding.

Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 .../nvmem/allwinner,sun4i-a10-sid.yaml        | 51 +++++++++++++++++++
 .../bindings/nvmem/allwinner,sunxi-sid.txt    | 29 -----------
 2 files changed, 51 insertions(+), 29 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/nvmem/allwinner,sun4i-a10-sid.yaml
 delete mode 100644 Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt

diff --git a/Documentation/devicetree/bindings/nvmem/allwinner,sun4i-a10-sid.yaml b/Documentation/devicetree/bindings/nvmem/allwinner,sun4i-a10-sid.yaml
new file mode 100644
index 000000000000..c9efd6e2c134
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/allwinner,sun4i-a10-sid.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/allwinner,sun4i-a10-sid.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A10 Security ID Device Tree Bindings
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <maxime.ripard@bootlin.com>
+
+allOf:
+  - $ref: "nvmem.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - allwinner,sun4i-a10-sid
+      - allwinner,sun7i-a20-sid
+      - allwinner,sun8i-a83t-sid
+      - allwinner,sun8i-h3-sid
+      - allwinner,sun50i-a64-sid
+      - allwinner,sun50i-h5-sid
+      - allwinner,sun50i-h6-sid
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+# FIXME: We should set it, but it would report all the generic
+# properties as additional properties.
+# additionalProperties: false
+
+examples:
+  - |
+    sid@1c23800 {
+        compatible = "allwinner,sun4i-a10-sid";
+        reg = <0x01c23800 0x10>;
+    };
+
+  - |
+    sid@1c23800 {
+        compatible = "allwinner,sun7i-a20-sid";
+        reg = <0x01c23800 0x200>;
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt b/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt
deleted file mode 100644
index cfb18b4ef8f7..000000000000
--- a/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-Allwinner sunxi-sid
-
-Required properties:
-- compatible: Should be one of the following:
-  "allwinner,sun4i-a10-sid"
-  "allwinner,sun7i-a20-sid"
-  "allwinner,sun8i-a83t-sid"
-  "allwinner,sun8i-h3-sid"
-  "allwinner,sun50i-a64-sid"
-  "allwinner,sun50i-h5-sid"
-  "allwinner,sun50i-h6-sid"
-
-- reg: Should contain registers location and length
-
-= Data cells =
-Are child nodes of sunxi-sid, bindings of which as described in
-bindings/nvmem/nvmem.txt
-
-Example for sun4i:
-	sid@1c23800 {
-		compatible = "allwinner,sun4i-a10-sid";
-		reg = <0x01c23800 0x10>
-	};
-
-Example for sun7i:
-	sid@1c23800 {
-		compatible = "allwinner,sun7i-a20-sid";
-		reg = <0x01c23800 0x200>
-	};