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author | John W. Linville <linville@tuxdriver.com> | 2012-04-12 19:49:28 +0200 |
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committer | John W. Linville <linville@tuxdriver.com> | 2012-04-12 19:49:28 +0200 |
commit | 8065248069097dddf9945acfb2081025e9618c16 (patch) | |
tree | eddf3fb0372ba0f65c01382d386942ea8d18932d /Documentation/devicetree/bindings/mtd/atmel-nand.txt | |
parent | rt2x00: do not generate seqno in h/w if QOS is disabled (diff) | |
parent | NFC: Fix the LLCP Tx fragmentation loop (diff) | |
download | linux-8065248069097dddf9945acfb2081025e9618c16.tar.xz linux-8065248069097dddf9945acfb2081025e9618c16.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'Documentation/devicetree/bindings/mtd/atmel-nand.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mtd/atmel-nand.txt | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/atmel-nand.txt b/Documentation/devicetree/bindings/mtd/atmel-nand.txt new file mode 100644 index 000000000000..a20069502f5a --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/atmel-nand.txt @@ -0,0 +1,41 @@ +Atmel NAND flash + +Required properties: +- compatible : "atmel,at91rm9200-nand". +- reg : should specify localbus address and size used for the chip, + and if availlable the ECC. +- atmel,nand-addr-offset : offset for the address latch. +- atmel,nand-cmd-offset : offset for the command latch. +- #address-cells, #size-cells : Must be present if the device has sub-nodes + representing partitions. + +- gpios : specifies the gpio pins to control the NAND device. detect is an + optional gpio and may be set to 0 if not present. + +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". +- 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 + +Examples: +nand0: nand@40000000,0 { + compatible = "atmel,at91rm9200-nand"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x40000000 0x10000000 + 0xffffe800 0x200 + >; + atmel,nand-addr-offset = <21>; /* ale */ + atmel,nand-cmd-offset = <22>; /* cle */ + nand-on-flash-bbt; + nand-ecc-mode = "soft"; + gpios = <&pioC 13 0 /* rdy */ + &pioC 14 0 /* nce */ + 0 /* cd */ + >; + partition@0 { + ... + }; +}; |