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Diffstat (limited to 'Documentation/devicetree/bindings/arm/davinci/nand.txt')
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diff --git a/Documentation/devicetree/bindings/arm/davinci/nand.txt b/Documentation/devicetree/bindings/arm/davinci/nand.txt new file mode 100644 index 000000000000..e37241f1fdd8 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/davinci/nand.txt @@ -0,0 +1,51 @@ +* Texas Instruments Davinci NAND + +This file provides information, what the device node for the +davinci nand interface contain. + +Required properties: +- compatible: "ti,davinci-nand"; +- reg : contain 2 offset/length values: + - offset and length for the access window + - offset and length for accessing the aemif control registers +- ti,davinci-chipselect: Indicates on the davinci_nand driver which + chipselect is used for accessing the nand. + +Recommended properties : +- ti,davinci-mask-ale: mask for ale +- ti,davinci-mask-cle: mask for cle +- ti,davinci-mask-chipsel: mask for chipselect +- ti,davinci-ecc-mode: ECC mode valid values for davinci driver: + - "none" + - "soft" + - "hw" +- ti,davinci-ecc-bits: used ECC bits, currently supported 1 or 4. +- ti,davinci-nand-buswidth: buswidth 8 or 16 +- ti,davinci-nand-use-bbt: use flash based bad block table support. + +Example (enbw_cmc board): +aemif@60000000 { + compatible = "ti,davinci-aemif"; + #address-cells = <2>; + #size-cells = <1>; + reg = <0x68000000 0x80000>; + ranges = <2 0 0x60000000 0x02000000 + 3 0 0x62000000 0x02000000 + 4 0 0x64000000 0x02000000 + 5 0 0x66000000 0x02000000 + 6 0 0x68000000 0x02000000>; + nand@3,0 { + compatible = "ti,davinci-nand"; + reg = <3 0x0 0x807ff + 6 0x0 0x8000>; + #address-cells = <1>; + #size-cells = <1>; + ti,davinci-chipselect = <1>; + ti,davinci-mask-ale = <0>; + ti,davinci-mask-cle = <0>; + ti,davinci-mask-chipsel = <0>; + ti,davinci-ecc-mode = "hw"; + ti,davinci-ecc-bits = <4>; + ti,davinci-nand-use-bbt; + }; +}; |