diff options
| author | Marek Behún <marek.behun@nic.cz> | 2019-08-12 18:11:18 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2019-08-14 15:31:02 +0200 |
| commit | 8c9e465b488b2b8b83b321045f4c07adbd69d2e2 (patch) | |
| tree | d6a35cbdf203e426f4748f2cd09bd2de6559dbcc | |
| parent | 856ed97af5cfcfdc73cc4178d9670122bca52f6b (diff) | |
| download | linux-8c9e465b488b2b8b83b321045f4c07adbd69d2e2.tar.gz linux-8c9e465b488b2b8b83b321045f4c07adbd69d2e2.tar.bz2 linux-8c9e465b488b2b8b83b321045f4c07adbd69d2e2.zip | |
dt-bindings: gpio: Document GPIOs via Moxtet bus
This patch adds documentation of the device tree bindings for GPIOs
on the devices connected via Moxtet bus.
Link: https://lore.kernel.org/r/20190812161118.21476-6-marek.behun@nic.cz
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-moxtet.txt | 18 | ||||
| -rw-r--r-- | MAINTAINERS | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-moxtet.txt b/Documentation/devicetree/bindings/gpio/gpio-moxtet.txt new file mode 100644 index 000000000000..410759de9f09 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-moxtet.txt @@ -0,0 +1,18 @@ +Turris Mox Moxtet GPIO expander via Moxtet bus + +Required properties: + - compatible : Should be "cznic,moxtet-gpio". + - gpio-controller : Marks the device node as a GPIO controller. + - #gpio-cells : Should be two. For consumer use see gpio.txt. + +Other properties are required for a Moxtet bus device, please refer to +Documentation/devicetree/bindings/bus/moxtet.txt. + +Example: + + moxtet_sfp: gpio@0 { + compatible = "cznic,moxtet-gpio"; + gpio-controller; + #gpio-cells = <2>; + reg = <0>; + } diff --git a/MAINTAINERS b/MAINTAINERS index a71ab252ad7e..0872e4cb98ef 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1633,6 +1633,7 @@ S: Maintained F: Documentation/ABI/testing/debugfs-moxtet F: Documentation/ABI/testing/sysfs-bus-moxtet-devices F: Documentation/devicetree/bindings/bus/moxtet.txt +F: Documentation/devicetree/bindings/gpio/gpio-moxtet.txt F: include/linux/moxtet.h F: drivers/bus/moxtet.c F: drivers/gpio/gpio-moxtet.c |