diff options
author | Sergio Prado <sergio.prado@e-labworks.com> | 2016-10-26 21:59:54 -0200 |
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committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-11-07 14:48:36 +0100 |
commit | 7baf9a04e58ab6a79172dac7612c3c4d18dadcca (patch) | |
tree | 9faa555fe973648c6306eda76dc06b4d8c9169dd | |
parent | e9f66ae23c209eec617130126a23bf547bf7a6d8 (diff) |
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 <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sergio Prado <sergio.prado@e-labworks.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
-rw-r--r-- | Documentation/devicetree/bindings/mtd/samsung-s3c2410.txt | 56 |
1 files changed, 56 insertions, 0 deletions
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>; + }; + }; + }; +}; |