Convert the bindings to yaml format. Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx> --- .../devicetree/bindings/mtd/davinci-nand.txt | 94 ------------------ .../devicetree/bindings/mtd/ti,davinci-nand.yaml | 105 +++++++++++++++++++++ 2 files changed, 105 insertions(+), 94 deletions(-) diff --git a/Documentation/devicetree/bindings/mtd/davinci-nand.txt b/Documentation/devicetree/bindings/mtd/davinci-nand.txt deleted file mode 100644 index eb8e2ff4dbd2901b3c396f2e66c1f590a32dcf67..0000000000000000000000000000000000000000 --- a/Documentation/devicetree/bindings/mtd/davinci-nand.txt +++ /dev/null @@ -1,94 +0,0 @@ -Device tree bindings for Texas instruments Davinci/Keystone NAND controller - -This file provides information, what the device node for the davinci/keystone -NAND interface contains. - -Documentation: -Davinci DM646x - https://www.ti.com/lit/ug/sprueq7c/sprueq7c.pdf -Kestone - https://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf - -Required properties: - -- compatible: "ti,davinci-nand" - "ti,keystone-nand" - -- reg: Contains 2 offset/length values: - - offset and length for the access window. - - offset and length for accessing the AEMIF - control registers. - -- ti,davinci-chipselect: number of chipselect. Indicates on the - davinci_nand driver which chipselect is used - for accessing the nand. - Can be in the range [0-3]. - -Recommended properties : - -- ti,davinci-mask-ale: 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. - If not set equal to 0x08. - -- ti,davinci-mask-cle: 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. - If not set equal to 0x10. - -- ti,davinci-mask-chipsel: mask for chipselect address. Needed to mask - addresses for given chipselect. - -- nand-ecc-mode: operation mode of the NAND ecc mode. ECC mode - valid values for davinci driver: - - "none" - - "soft" - - "hw" - -- ti,davinci-ecc-bits: used ECC bits, currently supported 1 or 4. - -- nand-bus-width: buswidth 8 or 16. If not present 8. - -- nand-on-flash-bbt: use flash based bad block table support. OOB - identifier is saved in OOB area. If not present - false. - -Deprecated properties: - -- ti,davinci-ecc-mode: operation mode of the NAND ecc mode. ECC mode - valid values for davinci driver: - - "none" - - "soft" - - "hw" - -- ti,davinci-nand-buswidth: buswidth 8 or 16. If not present 8. - -- ti,davinci-nand-use-bbt: use flash based bad block table support. OOB - identifier is saved in OOB area. If not present - false. - -Nand device bindings may contain additional sub-nodes describing partitions of -the address space. See mtd.yaml for more detail. The NAND Flash timing -values must be programmed in the chip select’s node of AEMIF -memory-controller (see Documentation/devicetree/bindings/memory-controllers/ -davinci-aemif.txt). - -Example(da850 EVM ): - -nand_cs3@62000000 { - compatible = "ti,davinci-nand"; - reg = <0x62000000 0x807ff - 0x68000000 0x8000>; - ti,davinci-chipselect = <1>; - ti,davinci-mask-ale = <0>; - ti,davinci-mask-cle = <0>; - ti,davinci-mask-chipsel = <0>; - nand-ecc-mode = "hw"; - ti,davinci-ecc-bits = <4>; - nand-on-flash-bbt; - - partition@180000 { - label = "ubifs"; - reg = <0x180000 0x7e80000>; - }; -}; diff --git a/Documentation/devicetree/bindings/mtd/ti,davinci-nand.yaml b/Documentation/devicetree/bindings/mtd/ti,davinci-nand.yaml new file mode 100644 index 0000000000000000000000000000000000000000..c0e09cccea8e65a6fcb98291c0cee0db56a97def --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/ti,davinci-nand.yaml @@ -0,0 +1,105 @@ +# 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 <marcus.folkesson@xxxxxxxxx> + +allOf: + - $ref: nand-controller.yaml# + +properties: + compatible: + enum: + - ti,davinci-nand + - ti,keystone-nand + + reg: + maxItems: 1 + + 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. + $ref: /schemas/types.yaml#/definitions/uint32 + 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 + +examples: + - | + nand_cs3@62000000 { + compatible = "ti,davinci-nand"; + reg = <0x62000000 0x807ff + 0x68000000 0x8000>; + ti,davinci-chipselect = <1>; + ti,davinci-mask-ale = <0>; + ti,davinci-mask-cle = <0>; + ti,davinci-mask-chipsel = <0>; + nand-ecc-mode = "hw"; + ti,davinci-ecc-bits = <4>; + nand-on-flash-bbt; + + partition@180000 { + label = "ubifs"; + reg = <0x180000 0x7e80000>; + }; + }; -- 2.46.0
