From 9ffc1d7d73609a89eb264d6066340f8b7b3b0ebe Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Mon, 7 Aug 2023 21:19:45 +0100
Subject: [PATCH 08/15] dt-bindings: block: add basic bindings for block
 devices

Add bindings for block devices which are used to allow referencing
nvmem bits on them.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
 .../bindings/block/block-device.yaml          | 22 ++++++++
 .../devicetree/bindings/block/partition.yaml  | 50 +++++++++++++++++++
 .../devicetree/bindings/block/partitions.yaml | 20 ++++++++
 3 files changed, 92 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/block/block-device.yaml
 create mode 100644 Documentation/devicetree/bindings/block/partition.yaml
 create mode 100644 Documentation/devicetree/bindings/block/partitions.yaml

--- /dev/null
+++ b/Documentation/devicetree/bindings/block/block-device.yaml
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/block/block-device.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: block storage device
+
+description: |
+  This binding is generic and describes a block-oriented storage device.
+
+maintainers:
+  - Daniel Golle <daniel@makrotopia.org>
+
+properties:
+  partitions:
+    $ref: /schemas/block/partitions.yaml
+
+  nvmem-layout:
+    $ref: /schemas/nvmem/layouts/nvmem-layout.yaml#
+
+unevaluatedProperties: false
--- /dev/null
+++ b/Documentation/devicetree/bindings/block/partition.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/block/partition.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Partition on a block device
+
+description: |
+  This binding describes a partition on a block device.
+  Partitions may be matched by a combination of partition number, name,
+  and UUID.
+
+maintainers:
+  - Daniel Golle <daniel@makrotopia.org>
+
+properties:
+  $nodename:
+    pattern: '^block-partition-.+$'
+
+  partnum:
+    description:
+      Matches partition by number if present.
+
+  partname:
+    "$ref": "/schemas/types.yaml#/definitions/string"
+    description:
+      Matches partition by PARTNAME if present.
+
+  uuid:
+    "$ref": "/schemas/types.yaml#/definitions/string"
+    description:
+      Matches partition by PARTUUID if present.
+
+  nvmem-layout:
+    $ref: /schemas/nvmem/layouts/nvmem-layout.yaml#
+    description:
+      This container may reference an NVMEM layout parser.
+
+anyOf:
+  - required:
+    - partnum
+
+  - required:
+    - partname
+
+  - required:
+    - uuid
+
+unevaluatedProperties: false
--- /dev/null
+++ b/Documentation/devicetree/bindings/block/partitions.yaml
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/block/partitions.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Partitions on block devices
+
+description: |
+  This binding is generic and describes the content of the partitions container
+  node.
+
+maintainers:
+  - Daniel Golle <daniel@makrotopia.org>
+
+patternProperties:
+  "^block-partition-.+$":
+    $ref: partition.yaml
+
+unevaluatedProperties: false