diff options
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt b/Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt index 093495018c1b..91cc90c6cf67 100644 --- a/Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt +++ b/Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt @@ -12,7 +12,10 @@ represented as child nodes with the following properties: Required properties: - compatible : "snps,dw-apb-gpio-port" - gpio-controller : Marks the device node as a gpio controller. -- #gpio-cells : Should be 1. It is the pin number. +- #gpio-cells : Should be two. The first cell is the pin number and + the second cell is used to specify the gpio polarity: + 0 = active high + 1 = active low - reg : The integer port index of the port, a single cell. Optional properties: |
