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Subject[PATCH V2 1/3] dt-bindings: gpio: Documentation for Hi6220 gpio driver
Date
dt-bindings: gpio: Documentation for Hi6220 gpio driver

Signed-off-by: Kaihua Zhong <zhongkaihua@huawei.com>
Signed-off-by: Xinwei Kong <kong.kongxinwei@hisilicon.com>

Acked-by: Rob Herring <robh@kernel.org>
---
.../devicetree/bindings/gpio/gpio-hi6220.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-hi6220.txt

diff --git a/Documentation/devicetree/bindings/gpio/gpio-hi6220.txt b/Documentation/devicetree/bindings/gpio/gpio-hi6220.txt
new file mode 100644
index 0000000..a9cbf21
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-hi6220.txt
@@ -0,0 +1,23 @@
+Hisilicon Hi6220 GPIO controller bindings
+
+Required properties:
+ - compatible: "arm,pl061","arm,primecell"
+ - gpio-controller: Marks the device node as a GPIO controller.
+ - #gpio-cells: Should be 2. See gpio.txt in this directory for a
+ description of the cells format.
+ - interrupt-controller: Mark the device node as an interrupt controller
+
+Example:
+
+ gpio0: gpio@f8011000 {
+ compatible = "arm,pl061", "arm,primecell";
+ reg = <0x0 0xf8011000 0x0 0x1000>;
+ interrupts = <0 52 0x4>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&ao_ctrl 2>;
+ clock-names = "apb_pclk";
+ status = "ok";
+ };
--
1.9.1


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