linux-kernel - [PATCH v4 1/2] dt-bindings: mtd: Add SEAMA partition bindings

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Date:   Thu, 13 Jul 2023 00:16:41 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Rafał Miłecki <zajec5@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>
Cc:     linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v4 1/2] dt-bindings: mtd: Add SEAMA partition bindings

This types of NAND partitions appear in OpenWrt and
U-Boot.

Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
ChangeLog v3->v4:
- Drop false flagged cells etc.
ChangeLog v2->v3:
- Drop reference from partitions.yaml again
- Drop select: false
- Use unevaluatedProperties
ChangeLog v1->v2:
- Fix up the binding to be childless
---
 .../devicetree/bindings/mtd/partitions/seama.yaml  | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/partitions/seama.yaml b/Documentation/devicetree/bindings/mtd/partitions/seama.yaml
new file mode 100644
index 000000000000..4c1cbf43e81a
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/partitions/seama.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/partitions/seama.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Seattle Image Partitions
+
+description: The SEAttle iMAge (SEAMA) partition is a type of partition
+  used for NAND flash devices. This type of flash image is found in some
+  D-Link routers such as DIR-645, DIR-842, DIR-859, DIR-860L, DIR-885L,
+  DIR890L and DCH-M225, as well as in WD and NEC routers on the ath79
+  (MIPS), Broadcom BCM53xx, and RAMIPS platforms. This partition type
+  does not have children defined in the device tree, they need to be
+  detected by software.
+
+allOf:
+  - $ref: partition.yaml#
+
+maintainers:
+  - Linus Walleij <linus.walleij@...aro.org>
+
+properties:
+  compatible:
+    const: seama
+
+required:
+  - compatible
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    partitions {
+        compatible = "fixed-partitions";
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        partition@0 {
+            compatible = "seama";
+            reg = <0x0 0x800000>;
+            label = "firmware";
+        };
+    };

-- 
2.34.1