Message ID | 20180828111944.5956-2-jonas.gorski@gmail.com |
---|---|
State | Changes Requested |
Delegated to: | Boris Brezillon |
Headers | show |
Series | mtd: bcm63xxpart: add device tree support | expand |
On Tue, 28 Aug 2018 13:19:40 +0200, Jonas Gorski wrote: > Add binding documentation for the standard CFE based BCM963XX flash > layout, found in most devices using a BCM63XX SoC with NOR flash. > > Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> > --- > .../brcm,bcm963xx-cfe-nor-partitions.txt | 24 ++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/partitions/brcm,bcm963xx-cfe-nor-partitions.txt > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/mtd/partitions/brcm,bcm963xx-cfe-nor-partitions.txt b/Documentation/devicetree/bindings/mtd/partitions/brcm,bcm963xx-cfe-nor-partitions.txt new file mode 100644 index 000000000000..9f630e95f180 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/partitions/brcm,bcm963xx-cfe-nor-partitions.txt @@ -0,0 +1,24 @@ +Broadcom BCM963XX CFE Loader NOR Flash Partitions +================================================= + +Most Broadcom BCM63XX SoC based devices follow the Broadcom reference layout for +NOR. The first erase block used for the CFE bootloader, the last for an +NVRAM partition, and the remainder in-between for one to two firmware partitions +at fixed offsets. A valid firmware partition is identified by the ImageTag +header found at beginning of the second erase block, containing the rootfs and +kernel offsets and sizes within the firmware partition. + +Required properties: +- compatible : must be "brcm,bcm963xx-cfe-nor-partitions" + +Example: + +flash@1fc00000 { + compatible = "cfi-flash"; + reg = <0x1fc00000 0x400000>; + bank-width = <2>; + + partitions { + compatible = "brcm,bcm963xx-cfe-nor-partitions"; + }; +};
Add binding documentation for the standard CFE based BCM963XX flash layout, found in most devices using a BCM63XX SoC with NOR flash. Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> --- .../brcm,bcm963xx-cfe-nor-partitions.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/partitions/brcm,bcm963xx-cfe-nor-partitions.txt