Message ID | 20190329021322.6833-3-chris.packham@alliedtelesis.co.nz |
---|---|
State | Accepted |
Delegated to: | Richard Weinberger |
Headers | show |
Series | mtd: physmap: Using gpio-addrs | expand |
On Fri, 29 Mar 2019 15:13:22 +1300, Chris Packham wrote: > 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> > --- > Changes in v2: > - None > > .../devicetree/bindings/mtd/mtd-physmap.txt | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
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>; + }; + };
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> --- Changes in v2: - None .../devicetree/bindings/mtd/mtd-physmap.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)