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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio-xilinx.txt')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-xilinx.txt | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-xilinx.txt b/Documentation/devicetree/bindings/gpio/gpio-xilinx.txt deleted file mode 100644 index e506f30e1a95..000000000000 --- a/Documentation/devicetree/bindings/gpio/gpio-xilinx.txt +++ /dev/null @@ -1,48 +0,0 @@ -Xilinx plb/axi GPIO controller - -Dual channel GPIO controller with configurable number of pins -(from 1 to 32 per channel). Every pin can be configured as -input/output/tristate. Both channels share the same global IRQ but -local interrupts can be enabled on channel basis. - -Required properties: -- compatible : Should be "xlnx,xps-gpio-1.00.a" -- 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: -- clocks : Input clock specifier. Refer to common clock bindings. -- interrupts : Interrupt mapping for GPIO IRQ. -- xlnx,all-inputs : if n-th bit is setup, GPIO-n is input -- xlnx,dout-default : if n-th bit is 1, GPIO-n default value is 1 -- xlnx,gpio-width : gpio width -- xlnx,tri-default : if n-th bit is 1, GPIO-n is in tristate mode -- xlnx,is-dual : if 1, controller also uses the second channel -- xlnx,all-inputs-2 : as above but for the second channel -- xlnx,dout-default-2 : as above but the second channel -- xlnx,gpio2-width : as above but for the second channel -- xlnx,tri-default-2 : as above but for the second channel - - -Example: -gpio: gpio@40000000 { - #gpio-cells = <2>; - compatible = "xlnx,xps-gpio-1.00.a"; - clocks = <&clkc25>; - gpio-controller ; - interrupt-parent = <µblaze_0_intc>; - interrupts = < 6 2 >; - reg = < 0x40000000 0x10000 >; - xlnx,all-inputs = <0x0>; - xlnx,all-inputs-2 = <0x0>; - xlnx,dout-default = <0x0>; - xlnx,dout-default-2 = <0x0>; - xlnx,gpio-width = <0x2>; - xlnx,gpio2-width = <0x2>; - xlnx,interrupt-present = <0x1>; - xlnx,is-dual = <0x1>; - xlnx,tri-default = <0xffffffff>; - xlnx,tri-default-2 = <0xffffffff>; -} ; |