diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml | 56 |
1 files changed, 53 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml b/Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml index a09e92e416c4..cf85d0cede00 100644 --- a/Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml +++ b/Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml @@ -4,13 +4,14 @@ $id: http://devicetree.org/schemas/mtd/loongson,ls1b-nand-controller.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Loongson-1 NAND Controller +title: Loongson NAND Controller maintainers: - Keguang Zhang <keguang.zhang@gmail.com> + - Binbin Zhou <zhoubinbin@loongson.cn> description: - The Loongson-1 NAND controller abstracts all supported operations, + The Loongson NAND controller abstracts all supported operations, meaning it does not support low-level access to raw NAND flash chips. Moreover, the controller is paired with the DMA engine to perform READ and PROGRAM functions. @@ -24,18 +25,23 @@ properties: - enum: - 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 @@ -52,6 +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 { @@ -70,3 +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>; + }; + }; |