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| author | Romain Izard <romain.izard.pro@gmail.com> | 2016-02-10 10:56:24 +0100 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2016-02-12 10:27:46 -0800 |
| commit | ec4ee5fb97f887bc334acc48307f3f30b6148336 (patch) | |
| tree | 77c675afa1f5a3e6403071fbdd7772ac8b3b209e /Documentation | |
| parent | 5ddc7bd43ccc77173f149483fa27a0b8f85e09e5 (diff) | |
| download | linux-ec4ee5fb97f887bc334acc48307f3f30b6148336.tar.gz linux-ec4ee5fb97f887bc334acc48307f3f30b6148336.tar.bz2 linux-ec4ee5fb97f887bc334acc48307f3f30b6148336.zip | |
doc: dt: atmel_nand: Reword the documentation
Do not mention which chips supporting the PMECC controller, as it a
duplicate of the information in the chips' device trees.
Use common terms when describing the sub-node for the NAND Flash
controller.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/atmel-nand.txt | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/Documentation/devicetree/bindings/mtd/atmel-nand.txt b/Documentation/devicetree/bindings/mtd/atmel-nand.txt index 89b0db9801b0..e68ab404d912 100644 --- a/Documentation/devicetree/bindings/mtd/atmel-nand.txt +++ b/Documentation/devicetree/bindings/mtd/atmel-nand.txt @@ -21,8 +21,8 @@ Optional properties: - nand-ecc-mode : String, operation mode of the NAND ecc mode, soft by default. Supported values are: "none", "soft", "hw", "hw_syndrome", "hw_oob_first", "soft_bch". -- atmel,has-pmecc : boolean to enable Programmable Multibit ECC hardware. - Only supported by at91sam9x5 or later sam9 product. +- atmel,has-pmecc : boolean to enable Programmable Multibit ECC hardware, + capable of BCH encoding and decoding, on devices where it is present. - atmel,pmecc-cap : error correct capability for Programmable Multibit ECC Controller. Supported values are: 2, 4, 8, 12, 24. - atmel,pmecc-sector-size : sector size for ECC computation. Supported values @@ -32,15 +32,16 @@ Optional properties: sector size 1024. If not specified, driver will build the table in runtime. - nand-bus-width : 8 or 16 bus width if not present 8 - nand-on-flash-bbt: boolean to enable on flash bbt option if not present false -- Nand Flash Controller(NFC) is a slave driver under Atmel nand flash - - Required properties: - - compatible : "atmel,sama5d3-nfc" or "atmel,sama5d4-nfc". - - reg : should specify the address and size used for NFC command registers, - NFC registers and NFC Sram. NFC Sram address and size can be absent - if don't want to use it. - - clocks: phandle to the peripheral clock - - Optional properties: - - atmel,write-by-sram: boolean to enable NFC write by sram. + +Nand Flash Controller(NFC) is an optional sub-node +Required properties: +- compatible : "atmel,sama5d3-nfc" or "atmel,sama5d4-nfc". +- reg : should specify the address and size used for NFC command registers, + NFC registers and NFC SRAM. NFC SRAM address and size can be absent + if don't want to use it. +- clocks: phandle to the peripheral clock +Optional properties: +- atmel,write-by-sram: boolean to enable NFC write by SRAM. Examples: nand0: nand@40000000,0 { |