| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/mtd/ti,davinci-nand.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: TI DaVinci NAND controller |
| |
| maintainers: |
| - Marcus Folkesson <[email protected]> |
| |
| allOf: |
| - $ref: nand-controller.yaml |
| |
| properties: |
| compatible: |
| enum: |
| - ti,davinci-nand |
| - ti,keystone-nand |
| |
| reg: |
| items: |
| - description: Access window. |
| - description: AEMIF control registers. |
| |
| partitions: |
| $ref: /schemas/mtd/partitions/partitions.yaml |
| |
| ti,davinci-chipselect: |
| description: |
| Number of chipselect. Indicate on the davinci_nand driver which |
| chipselect is used for accessing the nand. |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| enum: [0, 1, 2, 3] |
| |
| ti,davinci-mask-ale: |
| description: |
| Mask for ALE. Needed for executing address phase. These offset will be |
| added to the base address for the chip select space the NAND Flash |
| device is connected to. |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| default: 0x08 |
| |
| ti,davinci-mask-cle: |
| description: |
| Mask for CLE. Needed for executing command phase. These offset will be |
| added to the base address for the chip select space the NAND Flash device |
| is connected to. |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| default: 0x10 |
| |
| ti,davinci-mask-chipsel: |
| description: |
| Mask for chipselect address. Needed to mask addresses for given |
| chipselect. |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| default: 0 |
| |
| ti,davinci-ecc-bits: |
| description: Used ECC bits. |
| enum: [1, 4] |
| |
| ti,davinci-ecc-mode: |
| description: Operation mode of the NAND ECC mode. |
| $ref: /schemas/types.yaml#/definitions/string |
| enum: [none, soft, hw, on-die] |
| deprecated: true |
| |
| ti,davinci-nand-buswidth: |
| description: Bus width to the NAND chip. |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| enum: [8, 16] |
| default: 8 |
| deprecated: true |
| |
| ti,davinci-nand-use-bbt: |
| type: boolean |
| description: |
| Use flash based bad block table support. OOB identifier is saved in OOB |
| area. |
| deprecated: true |
| |
| required: |
| - compatible |
| - reg |
| - ti,davinci-chipselect |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| bus { |
| #address-cells = <2>; |
| #size-cells = <1>; |
| |
| nand-controller@2000000,0 { |
| compatible = "ti,davinci-nand"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| reg = <0 0x02000000 0x02000000>, |
| <1 0x00000000 0x00008000>; |
| |
| ti,davinci-chipselect = <1>; |
| ti,davinci-mask-ale = <0>; |
| ti,davinci-mask-cle = <0>; |
| ti,davinci-mask-chipsel = <0>; |
| |
| ti,davinci-nand-buswidth = <16>; |
| ti,davinci-ecc-mode = "hw"; |
| ti,davinci-ecc-bits = <4>; |
| ti,davinci-nand-use-bbt; |
| |
| partitions { |
| compatible = "fixed-partitions"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| |
| partition@0 { |
| label = "u-boot env"; |
| reg = <0 0x020000>; |
| }; |
| }; |
| }; |
| }; |
