Signed-off-by: Stefan Roese <[email protected]>
CC: Grant Likely <[email protected]>
---
Changes in ver3:
- Removed reference to Intel P30 parts
- Added exact chip compatible property for best practice.
Documentation/powerpc/dts-bindings/mtd-physmap.txt | 19 ++++++++++++++++++-
1 files changed, 18 insertions(+), 1 deletions(-)
diff --git a/Documentation/powerpc/dts-bindings/mtd-physmap.txt
b/Documentation/powerpc/dts-bindings/mtd-physmap.txt
index cd474f9..667c9bd 100644
--- a/Documentation/powerpc/dts-bindings/mtd-physmap.txt
+++ b/Documentation/powerpc/dts-bindings/mtd-physmap.txt
@@ -5,7 +5,9 @@ file systems on embedded devices.
- compatible : should contain the specific model of flash chip(s)
used, if known, followed by either "cfi-flash" or "jedec-flash"
- - reg : Address range of the flash chip
+ - reg : Address range(s) of the flash chip(s)
+ It's possible to (optionally) define multiple "reg" tuples so that
+ non-identical NOR chips can be described in one flash node.
- bank-width : Width (in bytes) of the flash bank. Equal to the
device width times the number of interleaved chips.
- device-width : (optional) Width of a single flash chip. If
@@ -61,3 +63,18 @@ Example:
read-only;
};
};
+
+Here an example with multiple "reg" tuples:
+
+ fl...@f0000000,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "intel,PC48F4400P0VB", "cfi-flash";
+ reg = <0 0x00000000 0x02000000
+ 0 0x02000000 0x02000000>;
+ bank-width = <2>;
+ partit...@0 {
+ label = "test-part1";
+ reg = <0 0x04000000>;
+ };
+ };
--
1.6.2.3
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