diff options
| author | Stefan Roese <sr@denx.de> | 2012-03-16 09:19:31 (GMT) |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-03-27 00:01:07 (GMT) |
| commit | eea628199d5b12429c47db17035a954b0062e554 (patch) | |
| tree | ea2ddcd6df17d3c459f7d40477d06ddbc96abc7d /Documentation/devicetree | |
| parent | 30053b87d5b97aca28dd7a59982cbb161eaf01c6 (diff) | |
| download | linux-eea628199d5b12429c47db17035a954b0062e554.tar.xz | |
mtd: Add device-tree support to fsmc_nand
This patch adds support to configure the FSMC NAND driver (used amongst
others on SPEAr platforms) via device-tree instead of platform_data.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/fsmc-nand.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/fsmc-nand.txt b/Documentation/devicetree/bindings/mtd/fsmc-nand.txt new file mode 100644 index 0000000..e2c663b --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/fsmc-nand.txt @@ -0,0 +1,33 @@ +* FSMC NAND + +Required properties: +- compatible : "st,spear600-fsmc-nand" +- reg : Address range of the mtd chip +- reg-names: Should contain the reg names "fsmc_regs" and "nand_data" +- st,ale-off : Chip specific offset to ALE +- st,cle-off : Chip specific offset to CLE + +Optional properties: +- bank-width : Width (in bytes) of the device. If not present, the width + defaults to 1 byte +- nand-skip-bbtscan: Indicates the the BBT scanning should be skipped + +Example: + + fsmc: flash@d1800000 { + compatible = "st,spear600-fsmc-nand"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0xd1800000 0x1000 /* FSMC Register */ + 0xd2000000 0x4000>; /* NAND Base */ + reg-names = "fsmc_regs", "nand_data"; + st,ale-off = <0x20000>; + st,cle-off = <0x10000>; + + bank-width = <1>; + nand-skip-bbtscan; + + partition@0 { + ... + }; + }; |