diff options
author | Harini Katakam <harini.katakam@xilinx.com> | 2014-07-08 07:02:36 -0400 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2014-07-10 05:13:44 -0400 |
commit | 38ed0187d2da7f219f9f84d8921b5c95b266b34b (patch) | |
tree | bc68af26d30508dcbbb1847d27dbfdde2b5cca4d | |
parent | 3242ba117e9bd29eb748afd6f6fbfbd6dd7cfe52 (diff) |
devicetree: Add Zynq GPIO devicetree bindings documentation
Add gpio-zynq bindings documentation.
Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-zynq.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.txt b/Documentation/devicetree/bindings/gpio/gpio-zynq.txt new file mode 100644 index 000000000000..986371a4be2c --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.txt | |||
@@ -0,0 +1,26 @@ | |||
1 | Xilinx Zynq GPIO controller Device Tree Bindings | ||
2 | ------------------------------------------- | ||
3 | |||
4 | Required properties: | ||
5 | - #gpio-cells : Should be two | ||
6 | - First cell is the GPIO line number | ||
7 | - Second cell is used to specify optional | ||
8 | parameters (unused) | ||
9 | - compatible : Should be "xlnx,zynq-gpio-1.0" | ||
10 | - clocks : Clock specifier (see clock bindings for details) | ||
11 | - gpio-controller : Marks the device node as a GPIO controller. | ||
12 | - interrupts : Interrupt specifier (see interrupt bindings for | ||
13 | details) | ||
14 | - interrupt-parent : Must be core interrupt controller | ||
15 | - reg : Address and length of the register set for the device | ||
16 | |||
17 | Example: | ||
18 | gpio@e000a000 { | ||
19 | #gpio-cells = <2>; | ||
20 | compatible = "xlnx,zynq-gpio-1.0"; | ||
21 | clocks = <&clkc 42>; | ||
22 | gpio-controller; | ||
23 | interrupt-parent = <&intc>; | ||
24 | interrupts = <0 20 4>; | ||
25 | reg = <0xe000a000 0x1000>; | ||
26 | }; | ||