diff options
133 files changed, 4510 insertions, 3742 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-mm-lantiq.txt b/Documentation/devicetree/bindings/gpio/gpio-mm-lantiq.txt new file mode 100644 index 000000000000..f93d51478d5a --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-mm-lantiq.txt @@ -0,0 +1,38 @@ +Lantiq SoC External Bus memory mapped GPIO controller + +By attaching hardware latches to the EBU it is possible to create output +only gpios. This driver configures a special memory address, which when +written to outputs 16 bit to the latches. + +The node describing the memory mapped GPIOs needs to be a child of the node +describing the "lantiq,localbus". + +Required properties: +- compatible : Should be "lantiq,gpio-mm-lantiq" +- reg : Address and length of the register set for the device +- #gpio-cells : Should be two. The first cell is the pin number and + the second cell is used to specify optional parameters (currently + unused). +- gpio-controller : Marks the device node as a gpio controller. + +Optional properties: +- lantiq,shadow : The default value |
