[PATCH] dt-bindings: mtd: spi-nand: Convert to DT schema format

Apurva Nandan
2021-07-18T00:42:43Z

Convert spi-nand.txt binding to YAML format with an added example.

Signed-off-by: Apurva Nandan <a-nandan@ti.com>
---
.../devicetree/bindings/mtd/spi-nand.txt | 5 --
.../devicetree/bindings/mtd/spi-nand.yaml | 74 +++++++++++++++++++
2 files changed, 74 insertions(+), 5 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/mtd/spi-nand.txt
create mode 100644 Documentation/devicetree/bindings/mtd/spi-nand.yaml

diff --git a/Documentation/devicetree/bindings/mtd/spi-nand.txt b/Documentation/devicetree/bindings/mtd/spi-nand.txt
deleted file mode 100644
index 8b51f3b6d55c..000000000000
--- a/Documentation/devicetree/bindings/mtd/spi-nand.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-SPI NAND flash
-
-Required properties:
-- compatible: should be "spi-nand"
-- reg: should encode the chip-select line used to access the NAND chip
diff --git a/Documentation/devicetree/bindings/mtd/spi-nand.yaml b/Documentation/devicetree/bindings/mtd/spi-nand.yaml
new file mode 100644
index 000000000000..366b86e1b19c
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/spi-nand.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0 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:
+ - Apurva Nandan <a-nandan@ti.com>
+
+allOf:
+ - $ref: "mtd.yaml#"
+
+properties:
+ compatible:
+ oneOf:
+ - const: spi-nand
+
+ reg:
+ items:
+ description:
+ should encode the chip-select line used to access the NAND chip
+
+ spi-max-frequency: true
+ spi-rx-bus-width: true
+ spi-tx-bus-width: true
+
+ partitions:
+ type: object
+
+ '#address-cells': true
+ '#size-cells': true
+
+patternProperties:
+ # Note: use 'partitions' node for new users
+ '^partition@':
+ type: object
+
+ "^otp(-[0-9]+)?$":
+ type: object
+
+additionalProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ flash@6 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "spi-nand";
+ reg = <0x6>;
+ spi-max-frequency = <42000000>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "boot";
+ reg = <0 0x200000>;
+ };
+
+ partition@200000 {
+ label = "rootfs";
+ reg = <0x200000 0xce0000>;
+ };
+ };
+ };
+ };
--
2.17.1