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| author | Binbin Zhou <zhoubinbin@loongson.cn> | 2025-09-04 21:07:10 +0800 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2025-09-10 10:56:09 +0200 |
| commit | 0b1ae6480c3be58ad31afe757cbf1069ae072bb1 (patch) | |
| tree | 1558e6543721f7897eab3e49bce9b87c48fefc6a | |
| parent | e55bbdd4a4b654dfe8ee8649b3be1db82319d6c0 (diff) | |
dt-bindings: mtd: loongson,ls1b-nand-controller: Document the Loongson-2K1000 NAND controller
Add new compatible for the Loongson-2K NAND controller used for
Loongson-2K1000 SoC.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml b/Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml index 4ec2b5d1e89d..cf85d0cede00 100644 --- a/Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml +++ b/Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml @@ -26,18 +26,22 @@ properties: - loongson,ls1b-nand-controller - loongson,ls1c-nand-controller - loongson,ls2k0500-nand-controller + - loongson,ls2k1000-nand-controller - items: - enum: - loongson,ls1a-nand-controller - const: loongson,ls1b-nand-controller reg: - maxItems: 2 + minItems: 2 + maxItems: 3 reg-names: + minItems: 2 items: - const: nand - const: nand-dma + - const: dma-config dmas: maxItems: 1 @@ -54,6 +58,27 @@ required: unevaluatedProperties: false +if: + properties: + compatible: + contains: + enum: + - loongson,ls2k1000-nand-controller + +then: + properties: + reg: + minItems: 3 + reg-names: + minItems: 3 + +else: + properties: + reg: + maxItems: 2 + reg-names: + maxItems: 2 + examples: - | nand-controller@1fe78000 { @@ -72,3 +97,26 @@ examples: nand-ecc-algo = "hamming"; }; }; + + - | + nand-controller@1fe26000 { + compatible = "loongson,ls2k1000-nand-controller"; + reg = <0x1fe26000 0x24>, + <0x1fe26040 0x4>, + <0x1fe00438 0x8>; + reg-names = "nand", "nand-dma", "dma-config"; + dmas = <&apbdma0 0>; + dma-names = "rxtx"; + + #address-cells = <1>; + #size-cells = <0>; + + nand@0 { + reg = <0>; + label = "ls2k1000-nand"; + nand-use-soft-ecc-engine; + nand-ecc-algo = "bch"; + nand-ecc-strength = <8>; + nand-ecc-step-size = <512>; + }; + }; |