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authorChris Packham <chris.packham@alliedtelesis.co.nz>2019-03-29 15:13:22 +1300
committerRichard Weinberger <richard@nod.at>2019-05-06 21:46:45 +0200
commit6e9314dc051f9a5e9120954f2d6de9c8e5d8c522 (patch)
treea22bfa9c5ba357f2e6054a5eafa17d185eed0609
parent64d14c6fe040361ff6aecb825e392cf97837cd9e (diff)
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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>
-rw-r--r--Documentation/devicetree/bindings/mtd/mtd-physmap.txt16
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>;
+ };
+ };