linux-kernel - [RFC PATCH v2 1/8] dt-bindings: block: add basic bindings for block devices

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Message-ID: <f70bb480aef6f55228a25ce20ff0e88e670e1b70.1709667858.git.daniel@makrotopia.org>
Date: Tue, 5 Mar 2024 20:23:20 +0000
From: Daniel Golle <daniel@...rotopia.org>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>, Jens Axboe <axboe@...nel.dk>,
	Daniel Golle <daniel@...rotopia.org>,
	Dave Chinner <dchinner@...hat.com>, Jan Kara <jack@...e.cz>,
	Thomas Weißschuh <linux@...ssschuh.net>,
	Christian Brauner <brauner@...nel.org>,
	Li Lingfeng <lilingfeng3@...wei.com>,
	Damien Le Moal <dlemoal@...nel.org>, Min Li <min15.li@...sung.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Hannes Reinecke <hare@...e.de>,
	Christian Loehle <CLoehle@...erstone.com>,
	Avri Altman <avri.altman@....com>, Bean Huo <beanhuo@...ron.com>,
	Yeqi Fu <asuk4.q@...il.com>,
	Victor Shih <victor.shih@...esyslogic.com.tw>,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	"Ricardo B. Marliere" <ricardo@...liere.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mmc@...r.kernel.org, linux-block@...r.kernel.org
Cc: Diping Zhang <diping.zhang@...inet.com>,
	Jianhui Zhao <zhaojh329@...il.com>,
	Jieying Zeng <jieying.zeng@...inet.com>,
	Chad Monroe <chad.monroe@...ran.com>,
	Adam Fox <adam.fox@...ran.com>, John Crispin <john@...ozen.org>
Subject: [RFC PATCH v2 1/8] 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@...rotopia.org>
---
 .../bindings/block/block-device.yaml          | 22 ++++++++
 .../devicetree/bindings/block/partition.yaml  | 51 +++++++++++++++++++
 .../devicetree/bindings/block/partitions.yaml | 20 ++++++++
 3 files changed, 93 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

diff --git a/Documentation/devicetree/bindings/block/block-device.yaml b/Documentation/devicetree/bindings/block/block-device.yaml
new file mode 100644
index 0000000000000..c83ea525650ba
--- /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@...rotopia.org>
+
+properties:
+  partitions:
+    $ref: /schemas/block/partitions.yaml
+
+  nvmem-layout:
+    $ref: /schemas/nvmem/layouts/nvmem-layout.yaml#
+
+unevaluatedProperties: false
diff --git a/Documentation/devicetree/bindings/block/partition.yaml b/Documentation/devicetree/bindings/block/partition.yaml
new file mode 100644
index 0000000000000..df561dd33cbc9
--- /dev/null
+++ b/Documentation/devicetree/bindings/block/partition.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$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 storage device.
+  Partitions may be matched by a combination of partition number, name,
+  and UUID.
+
+maintainers:
+  - Daniel Golle <daniel@...rotopia.org>
+
+properties:
+  $nodename:
+    pattern: '^block-partition-.+$'
+
+  partnum:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    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:
+    $ref: /schemas/nvmem/layouts/nvmem-layout.yaml#
+    description:
+      This container may reference an NVMEM layout parser.
+
+anyOf:
+  - required:
+      - partnum
+
+  - required:
+      - partname
+
+  - required:
+      - uuid
+
+unevaluatedProperties: false
diff --git a/Documentation/devicetree/bindings/block/partitions.yaml b/Documentation/devicetree/bindings/block/partitions.yaml
new file mode 100644
index 0000000000000..fd84c3ba8493b
--- /dev/null
+++ b/Documentation/devicetree/bindings/block/partitions.yaml
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/block/partitions.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Partitions on block devices
+
+description: |
+  This binding is generic and describes the content of the partitions container
+  node.
+
+maintainers:
+  - Daniel Golle <daniel@...rotopia.org>
+
+patternProperties:
+  "^block-partition-.+$":
+    $ref: partition.yaml
+
+unevaluatedProperties: false
-- 
2.44.0