diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt index 26bcb18f4e60..e6cc5e8f6438 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-st.txt @@ -50,7 +50,11 @@ Optional properties: GPIO controller/bank node. Required properties: - gpio-controller : Indicates this device is a GPIO controller -- #gpio-cells : Should be one. The first cell is the pin number. +- #gpio-cells : Must be two. + - First cell: specifies the pin number inside the controller + - Second cell: specifies whether the pin is logically inverted. + - 0 = active high + - 1 = active low - st,bank-name : Should be a name string for this bank as specified in datasheet. @@ -88,7 +92,7 @@ Example: PIO0: gpio@fe610000 { gpio-controller; - #gpio-cells = <1>; + #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; reg = <0 0x100>; |