Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 110 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mtd/mtd.yaml b/Documentation/devicetree/bindings/mtd/mtd.yaml
new file mode 100644
index 0000000000..b82ca03e96
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/mtd.yaml
@@ -0,0 +1,110 @@
+# 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)
+
+maintainers:
+  - Miquel Raynal <miquel.raynal@bootlin.com>
+  - Richard Weinberger <richard@nod.at>
+
+properties:
+  $nodename:
+    pattern: "^(flash|.*sram|nand)(@.*)?$"
+
+  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.
+
+  '#address-cells':
+    deprecated: true
+
+  '#size-cells':
+    deprecated: true
+
+  partitions:
+    $ref: /schemas/mtd/partitions/partitions.yaml
+
+    required:
+      - compatible
+
+patternProperties:
+  "@[0-9a-f]+$":
+    $ref: partitions/partition.yaml
+    deprecated: true
+
+  "^partition@[0-9a-f]+":
+    $ref: partitions/partition.yaml
+    deprecated: true
+
+  "^otp(-[0-9]+)?$":
+    $ref: ../nvmem/nvmem.yaml#
+    unevaluatedProperties: false
+
+    description: |
+      An OTP memory region. Some flashes provide a one-time-programmable
+      memory whose content can either be programmed by a user or is already
+      pre-programmed by the factory. Some flashes might provide both.
+
+    properties:
+      compatible:
+        enum:
+          - user-otp
+          - factory-otp
+
+    required:
+      - compatible
+
+# This is a generic file other binding inherit from
+additionalProperties: true
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        flash@0 {
+            reg = <0>;
+            compatible = "jedec,spi-nor";
+            label = "System-firmware";
+        };
+    };
+
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        flash@0 {
+            reg = <0>;
+            compatible = "jedec,spi-nor";
+
+            otp-1 {
+                compatible = "factory-otp";
+                #address-cells = <1>;
+                #size-cells = <1>;
+
+                electronic-serial-number@0 {
+                    reg = <0 8>;
+                };
+            };
+
+            otp-2 {
+                compatible = "user-otp";
+                #address-cells = <1>;
+                #size-cells = <1>;
+
+                mac-address@0 {
+                    reg = <0 6>;
+                };
+            };
+        };
+    };
+
+...