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Subject[PATCH v7 1/3] dt-bindings: mtd: Add Loongson-1 NAND Controller
From: Keguang Zhang <keguang.zhang@gmail.com>

Add devicetree binding document for Loongson-1 NAND Controller.

Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
---
Changes in v7:
- rename the file to loongson,ls1b-nfc.yaml

Changes in v6:
- A newly added patch
---
.../devicetree/bindings/mtd/loongson,ls1b-nfc.yaml | 66 ++++++++++++++++++++++
1 file changed, 66 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/loongson,ls1b-nfc.yaml b/Documentation/devicetree/bindings/mtd/loongson,ls1b-nfc.yaml
new file mode 100644
index 000000000000..a69f22b9fd9e
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/loongson,ls1b-nfc.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/loongson,ls1b-nfc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-1 NAND Controller
+
+maintainers:
+ - Keguang Zhang <keguang.zhang@gmail.com>
+
+allOf:
+ - $ref: nand-controller.yaml
+
+properties:
+ compatible:
+ oneOf:
+ - const: loongson,ls1b-nfc
+ - items:
+ - enum:
+ - loongson,ls1a-nfc
+ - loongson,ls1c-nfc
+ - const: loongson,ls1b-nfc
+
+ reg:
+ maxItems: 1
+
+ dmas:
+ maxItems: 1
+
+ dma-names:
+ const: rxtx
+
+patternProperties:
+ "^nand@[0-3]$":
+ type: object
+ $ref: raw-nand-chip.yaml
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - dmas
+ - dma-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ nand-controller@1fe78000 {
+ compatible = "loongson,ls1b-nfc";
+ reg = <0x1fe78000 0x40>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dmas = <&dma 0>;
+ dma-names = "rxtx";
+
+ nand@0 {
+ reg = <0>;
+ nand-use-soft-ecc-engine;
+ nand-ecc-algo = "hamming";
+ };
+ };
--
2.40.1



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