This works for Kirkwood, but orion5x has an odd bus structure which results in some warnings. Signed-off-by: Andrew Lunn <andrew@xxxxxxx> --- .../bindings/mtd/marvell,orion-nand.yaml | 98 +++++++++++++++++++ .../devicetree/bindings/mtd/orion-nand.txt | 50 ---------- 2 files changed, 98 insertions(+), 50 deletions(-) create mode 100644 Documentation/devicetree/bindings/mtd/marvell,orion-nand.yaml delete mode 100644 Documentation/devicetree/bindings/mtd/orion-nand.txt diff --git a/Documentation/devicetree/bindings/mtd/marvell,orion-nand.yaml b/Documentation/devicetree/bindings/mtd/marvell,orion-nand.yaml new file mode 100644 index 000000000000..57368bf16bc1 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/marvell,orion-nand.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/marvell,orion-nand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell Orion NAND Controller + +allOf: + - $ref: "nand-controller.yaml" + +maintainers: + - Andrew Lunn <andrew@xxxxxxx> + +properties: + compatible: + enum: + - marvell,orion-nand + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + cle: + description: + Address line number connected to CLE. Default is 0 + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + + ale: + description: + Address line number connected to ALE. Default is 1 + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + + bank-width: + description: Width (in bytes) of the bank. Equal to the device width times + the number of interleaved chips. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 1, 2, 4 ] + + chip-delay: + description: + Chip dependent delay for transferring data from array to read + registers in usecs + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + + partitions: + description: + Deprecated container of partitions + type: object + +patternProperties: + "@[0-9a-f]+$": + $ref: "/schemas/mtd/partitions/partition.yaml" + description: + Partitions within the NAND + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + nand-controller@f4000000 { + compatible = "marvell,orion-nand"; + #address-cells = <1>; + #size-cells = <1>; + cle = <0>; + ale = <1>; + bank-width = <1>; + chip-delay = <25>; + reg = <0xf4000000 0x400>; + + partition@0 { + label = "u-boot"; + reg = <0x0000000 0x100000>; + read-only; + }; + }; +... diff --git a/Documentation/devicetree/bindings/mtd/orion-nand.txt b/Documentation/devicetree/bindings/mtd/orion-nand.txt deleted file mode 100644 index 2d6ab660e603..000000000000 --- a/Documentation/devicetree/bindings/mtd/orion-nand.txt +++ /dev/null @@ -1,50 +0,0 @@ -NAND support for Marvell Orion SoC platforms - -Required properties: -- compatible : "marvell,orion-nand". -- reg : Base physical address of the NAND and length of memory mapped - region - -Optional properties: -- cle : Address line number connected to CLE. Default is 0 -- ale : Address line number connected to ALE. Default is 1 -- bank-width : Width in bytes of the device. Default is 1 -- chip-delay : Chip dependent delay for transferring data from array to read - registers in usecs - -The device tree may optionally contain sub-nodes describing partitions of the -address space. See partition.txt for more detail. - -Example: - -nand@f4000000 { - #address-cells = <1>; - #size-cells = <1>; - cle = <0>; - ale = <1>; - bank-width = <1>; - chip-delay = <25>; - compatible = "marvell,orion-nand"; - reg = <0xf4000000 0x400>; - - partition@0 { - label = "u-boot"; - reg = <0x0000000 0x100000>; - read-only; - }; - - partition@100000 { - label = "uImage"; - reg = <0x0100000 0x200000>; - }; - - partition@300000 { - label = "dtb"; - reg = <0x0300000 0x100000>; - }; - - partition@400000 { - label = "root"; - reg = <0x0400000 0x7d00000>; - }; -}; -- 2.37.2
