From 6e9314dc051f9a5e9120954f2d6de9c8e5d8c522 Mon Sep 17 00:00:00 2001 From: Chris Packham Date: Fri, 29 Mar 2019 15:13:22 +1300 Subject: 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 Reviewed-by: Rob Herring Signed-off-by: Richard Weinberger --- Documentation/devicetree/bindings/mtd/mtd-physmap.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'Documentation/devicetree/bindings/mtd') 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>; + }; + }; -- cgit v1.2.3