From: Sergio Prado Date: Wed, 26 Oct 2016 23:59:54 +0000 (-0200) Subject: dt-bindings: mtd: add DT binding for s3c2410 flash controller X-Git-Tag: v4.10-rc1~61^2~4^2~49 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7baf9a04e58ab6a79172dac7612c3c4d18dadcca;p=linux.git dt-bindings: mtd: add DT binding for s3c2410 flash controller Adds the device tree bindings description for Samsung S3C2410 and compatible NAND flash controller. Acked-by: Rob Herring Acked-by: Krzysztof Kozlowski Signed-off-by: Sergio Prado Signed-off-by: Boris Brezillon --- diff --git a/Documentation/devicetree/bindings/mtd/samsung-s3c2410.txt b/Documentation/devicetree/bindings/mtd/samsung-s3c2410.txt new file mode 100644 index 000000000000..0040eb8895e0 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/samsung-s3c2410.txt @@ -0,0 +1,56 @@ +* Samsung S3C2410 and compatible NAND flash controller + +Required properties: +- compatible : The possible values are: + "samsung,s3c2410-nand" + "samsung,s3c2412-nand" + "samsung,s3c2440-nand" +- reg : register's location and length. +- #address-cells, #size-cells : see nand.txt +- clocks : phandle to the nand controller clock +- clock-names : must contain "nand" + +Optional child nodes: +Child nodes representing the available nand chips. + +Optional child properties: +- nand-ecc-mode : see nand.txt +- nand-on-flash-bbt : see nand.txt + +Each child device node may optionally contain a 'partitions' sub-node, +which further contains sub-nodes describing the flash partition mapping. +See partition.txt for more detail. + +Example: + +nand-controller@4e000000 { + compatible = "samsung,s3c2440-nand"; + reg = <0x4e000000 0x40>; + + #address-cells = <1>; + #size-cells = <0>; + + clocks = <&clocks HCLK_NAND>; + clock-names = "nand"; + + nand { + nand-ecc-mode = "soft"; + nand-on-flash-bbt; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "u-boot"; + reg = <0 0x040000>; + }; + + partition@40000 { + label = "kernel"; + reg = <0x040000 0x500000>; + }; + }; + }; +};