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Diffstat (limited to 'Documentation/devicetree/bindings/mtd/arm-versatile.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/arm-versatile.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/arm-versatile.txt b/Documentation/devicetree/bindings/mtd/arm-versatile.txt new file mode 100644 index 000000000..4ec28796a --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/arm-versatile.txt @@ -0,0 +1,26 @@ +Flash device on ARM Versatile board + +These flash chips are found in the ARM reference designs like Integrator, +Versatile, RealView, Versatile Express etc. + +They are regular CFI compatible (Intel or AMD extended) flash chips with +some special write protect/VPP bits that can be controlled by the machine's +system controller. + +Required properties: +- compatible : must be "arm,versatile-flash", "cfi-flash"; +- reg : memory address for the flash chip +- bank-width : width in bytes of flash interface. + +For the rest of the properties, see mtd-physmap.txt. + +The device tree may optionally contain sub-nodes describing partitions of the +address space. See partition.txt for more detail. + +Example: + +flash@34000000 { + compatible = "arm,versatile-flash", "cfi-flash"; + reg = <0x34000000 0x4000000>; + bank-width = <4>; +}; |