Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/Bindings/mtd/spi-nand.yaml b/Bindings/mtd/spi-nand.yaml
new file mode 100644
index 0000000..77a8727
--- /dev/null
+++ b/Bindings/mtd/spi-nand.yaml
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/spi-nand.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SPI-NAND flash
+
+maintainers:
+  - Miquel Raynal <miquel.raynal@bootlin.com>
+
+allOf:
+  - $ref: nand-chip.yaml#
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+  compatible:
+    const: spi-nand
+
+  reg:
+    description: Encode the chip-select line on the SPI bus
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false