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authorSascha Hauer <s.hauer@pengutronix.de>2021-08-09 21:17:51 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2021-08-09 21:17:51 +0200
commit6187b17da4b277417f34fe0b0b90bbaddcbc599e (patch)
tree51cbbaa0fa325c592d084eb7d197a5df0e7a43bb /dts/Bindings/gpio/gpio-zynq.txt
parentc53e1fc545e686e1f48c8efb9057fc72e158f183 (diff)
downloadbarebox-6187b17da4b277417f34fe0b0b90bbaddcbc599e.tar.gz
barebox-6187b17da4b277417f34fe0b0b90bbaddcbc599e.tar.xz
dts: update to v5.14-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/gpio/gpio-zynq.txt')
-rw-r--r--dts/Bindings/gpio/gpio-zynq.txt36
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diff --git a/dts/Bindings/gpio/gpio-zynq.txt b/dts/Bindings/gpio/gpio-zynq.txt
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-Xilinx Zynq GPIO controller Device Tree Bindings
--------------------------------------------
-
-Required properties:
-- #gpio-cells : Should be two
- - First cell is the GPIO line number
- - Second cell is used to specify optional
- parameters (unused)
-- compatible : Should be "xlnx,zynq-gpio-1.0" or
- "xlnx,zynqmp-gpio-1.0" or "xlnx,versal-gpio-1.0
- or "xlnx,pmc-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-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:
- gpio@e000a000 {
- #gpio-cells = <2>;
- compatible = "xlnx,zynq-gpio-1.0";
- clocks = <&clkc 42>;
- gpio-controller;
- interrupt-parent = <&intc>;
- interrupts = <0 20 4>;
- interrupt-controller;
- #interrupt-cells = <2>;
- reg = <0xe000a000 0x1000>;
- };