linux-kernel - [RFC PATCH 2/4] dt-bindings: mtd: add YAML schema for the generic MTD bindings

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Date:   Mon, 22 Mar 2021 19:19:47 +0100
From:   Michael Walle <michael@...le.cc>
To:     linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rafał Miłecki <rafal@...ecki.pl>,
        Michael Walle <michael@...le.cc>
Subject: [RFC PATCH 2/4] dt-bindings: mtd: add YAML schema for the generic MTD bindings

Convert MTD's common.txt to mtd.yaml.

Signed-off-by: Michael Walle <michael@...le.cc>
---
Btw, I've asked Miquel if I can add it as the maintainer.

 .../devicetree/bindings/mtd/common.txt        | 16 +-------
 .../devicetree/bindings/mtd/mtd.yaml          | 39 +++++++++++++++++++
 2 files changed, 40 insertions(+), 15 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mtd/mtd.yaml

diff --git a/Documentation/devicetree/bindings/mtd/common.txt b/Documentation/devicetree/bindings/mtd/common.txt
index fc068b923d7a..ae16f9ea8606 100644
--- a/Documentation/devicetree/bindings/mtd/common.txt
+++ b/Documentation/devicetree/bindings/mtd/common.txt
@@ -1,15 +1 @@
-* Common properties of all MTD devices
-
-Optional properties:
-- label: user-defined MTD device name. Can be used to assign user
-  friendly names to MTD devices (instead of the flash model or flash
-  controller based name) in order to ease flash device identification
-  and/or describe what they are used for.
-
-Example:
-
-	flash@0 {
-		label = "System-firmware";
-
-		/* flash type specific properties */
-	};
+This file has been moved to mtd.yaml.
diff --git a/Documentation/devicetree/bindings/mtd/mtd.yaml b/Documentation/devicetree/bindings/mtd/mtd.yaml
new file mode 100644
index 000000000000..321259aab0f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/mtd.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/mtd.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MTD (Memory Technology Device) Device Tree Bindings
+
+maintainers:
+  - Miquel Raynal <miquel.raynal@...tlin.com>
+  - Richard Weinberger <richard@....at>
+
+properties:
+  $nodename:
+    pattern: "^flash(@.*)?$"
+
+  label:
+    description:
+      User-defined MTD device name. Can be used to assign user friendly
+      names to MTD devices (instead of the flash model or flash controller
+      based name) in order to ease flash device identification and/or
+      describe what they are used for.
+
+additionalProperties: true
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        flash@0 {
+            reg = <0>;
+            compatible = "some,flash";
+            label = "System-firmware";
+        };
+    };
+
+...
-- 
2.20.1