These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / gpio / gpio-zynq.txt

diff --git a/kernel/Documentation/devicetree/bindings/gpio/gpio-zynq.txt b/kernel/Documentation/devicetree/bindings/gpio/gpio-zynq.txt
index 986371a..7b54265 100644 (file)
--- a/kernel/Documentation/devicetree/bindings/gpio/gpio-zynq.txt
+++ b/kernel/Documentation/devicetree/bindings/gpio/gpio-zynq.txt
@@ -6,12 +6,19 @@ Required properties:
                          - First cell is the GPIO line number
                          - Second cell is used to specify optional
                            parameters (unused)
-- compatible           : Should be "xlnx,zynq-gpio-1.0"
+- compatible           : Should be "xlnx,zynq-gpio-1.0" or "xlnx,zynqmp-gpio-1.0"
 - clocks               : Clock specifier (see clock bindings for details)
 - gpio-controller      : Marks the device node as a GPIO controller.
 - interrupts           : Interrupt specifier (see interrupt bindings for
                          details)
 - interrupt-parent     : Must be core interrupt controller
+- interrupt-controller : Marks the device node as an interrupt controller.
+- #interrupt-cells     : Should be 2.  The first cell is the GPIO number.
+                         The second cell bits[3:0] is used to specify trigger type and level flags:
+                             1 = low-to-high edge triggered.
+                             2 = high-to-low edge triggered.
+                             4 = active high level-sensitive.
+                             8 = active low level-sensitive.
 - reg                  : Address and length of the register set for the device
 
 Example:
@@ -22,5 +29,7 @@ Example:
                gpio-controller;
                interrupt-parent = <&intc>;
                interrupts = <0 20 4>;
+               interrupt-controller;
+               #interrupt-cells = <2>;
                reg = <0xe000a000 0x1000>;
        };