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| author | Chris Packham <chris.packham@alliedtelesis.co.nz> | 2019-03-29 03:13:22 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2019-05-06 21:46:45 +0200 |
| commit | 6e9314dc051f9a5e9120954f2d6de9c8e5d8c522 (patch) | |
| tree | a22bfa9c5ba357f2e6054a5eafa17d185eed0609 /Documentation | |
| parent | mtd: maps: physmap: Store gpio_values correctly (diff) | |
| download | linux-6e9314dc051f9a5e9120954f2d6de9c8e5d8c522.tar.xz linux-6e9314dc051f9a5e9120954f2d6de9c8e5d8c522.zip | |
dt-binding: mtd: physmap: Add example using addr-gpios property
Add an example showing how to use the addr-gpios property to deal with a
system with limited IO space.
Cc: devicetree@vger.kernel.org
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/mtd-physmap.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt index 7df0dcaccb7d..c69f4f065d23 100644 --- a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt +++ b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt @@ -96,3 +96,19 @@ An example using SRAM: bank-width = <2>; }; +An example using gpio-addrs + + flash@20000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash", "jedec-flash"; + reg = <0x20000000 0x02000000>; + ranges = <0 0x00000000 0x02000000 + 1 0x02000000 0x02000000>; + bank-width = <2>; + addr-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; + partition@0 { + label = "test-part1"; + reg = <0 0x04000000>; + }; + }; |