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| author |   Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> | 2013-12-17 15:37:22 +0200 |
|---|---|---|
| committer |   Brian Norris <computersforpeace@gmail.com> | 2014-01-03 11:22:25 -0800 |
| commit | c354ae43511702092a1ee4e62db14ba738cd85ae (patch) | |
| tree | 7ba503aa3e7839917c2c318fa64ae7aade6e0dd5 /Documentation/devicetree/bindings/mtd | |
| parent | mtd: nand: davinci: simplify error handling (diff) | |
| download | linux-dev-c354ae43511702092a1ee4e62db14ba738cd85ae.tar.xz linux-dev-c354ae43511702092a1ee4e62db14ba738cd85ae.zip | |
mtd: nand: davinci: move bindings under mtd
Move bindings under mtd. Do this in order to make davinci-nand
driver usable by keystone architecture.
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Taras Kondratiuk <taras@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/mtd')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/davinci-nand.txt | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/davinci-nand.txt b/Documentation/devicetree/bindings/mtd/davinci-nand.txt new file mode 100644 index 000000000000..3545ea704b50 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/davinci-nand.txt @@ -0,0 +1,46 @@ +* 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. + +nand device bindings may contain additional sub-nodes describing +partitions of the address space. See partition.txt for more detail. + +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>; + ti,davinci-ecc-mode = "hw"; + ti,davinci-ecc-bits = <4>; + ti,davinci-nand-use-bbt; + + partition@180000 { + label = "ubifs"; + reg = <0x180000 0x7e80000>; + }; +}; |