| Message ID | 20190201100421.27504-1-linus.walleij@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [1/2] mtd: add DT bindings for the Intel IXP4xx Flash | expand |
On Fri, Feb 1, 2019 at 4:04 AM Linus Walleij <linus.walleij@linaro.org> wrote: > > This adds device tree bindings for the Intel IXP4xx > flash controller, a simple physmap which however need a > specific big-endian or mixed-endian access pattern to the > memory. > > Cc: devicetree@vger.kernel.org > Signed-off-by: Linus Walleij <linus.walleij@linaro.org> > --- > .../bindings/mtd/intel,ixp4xx-flash.txt | 22 +++++++++++++++++++ > 1 file changed, 22 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/intel,ixp4xx-flash.txt Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/mtd/intel,ixp4xx-flash.txt b/Documentation/devicetree/bindings/mtd/intel,ixp4xx-flash.txt new file mode 100644 index 000000000000..4bdcb92ae381 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/intel,ixp4xx-flash.txt @@ -0,0 +1,22 @@ +Flash device on Intel IXP4xx SoC + +This flash is regular CFI compatible (Intel or AMD extended) flash chips with +specific big-endian or mixed-endian memory access pattern. + +Required properties: +- compatible : must be "intel,ixp4xx-flash", "cfi-flash"; +- reg : memory address for the flash chip +- bank-width : width in bytes of flash interface, should be <2> + +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@50000000 { + compatible = "intel,ixp4xx-flash", "cfi-flash"; + reg = <0x50000000 0x01000000>; + bank-width = <2>; +};
This adds device tree bindings for the Intel IXP4xx flash controller, a simple physmap which however need a specific big-endian or mixed-endian access pattern to the memory. Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- .../bindings/mtd/intel,ixp4xx-flash.txt | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/intel,ixp4xx-flash.txt -- 2.20.1