diff options
Diffstat (limited to 'Bindings/mtd/mtd-physmap.txt')
| -rw-r--r-- | Bindings/mtd/mtd-physmap.txt | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Bindings/mtd/mtd-physmap.txt b/Bindings/mtd/mtd-physmap.txt index 61c5ec850f2f..4a0a48bf4ecb 100644 --- a/Bindings/mtd/mtd-physmap.txt +++ b/Bindings/mtd/mtd-physmap.txt @@ -4,8 +4,8 @@ Flash chips (Memory Technology Devices) are often used for solid state file systems on embedded devices. - compatible : should contain the specific model of mtd chip(s) - used, if known, followed by either "cfi-flash", "jedec-flash" - or "mtd-ram". + used, if known, followed by either "cfi-flash", "jedec-flash", + "mtd-ram" or "mtd-rom". - reg : Address range(s) of the mtd chip(s) It's possible to (optionally) define multiple "reg" tuples so that non-identical chips can be described in one node. @@ -36,6 +36,11 @@ are defined: - vendor-id : Contains the flash chip's vendor id (1 byte). - device-id : Contains the flash chip's device id (1 byte). +For ROM compatible devices (and ROM fallback from cfi-flash), the following +additional (optional) property is defined: + + - erase-size : The chip's physical erase block size in bytes. + The device tree may optionally contain sub-nodes describing partitions of the address space. See partition.txt for more detail. |