Add gpio bindings for Actions Semi S900 SoC.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
.../devicetree/bindings/pinctrl/actions,s900-pinctrl.txt | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/Documentation/devicetree/bindings/pinctrl/actions,s900-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/actions,s900-pinctrl.txt
index fb87c7d74f2e..8fb5a53775e8 100644
--- a/Documentation/devicetree/bindings/pinctrl/actions,s900-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/actions,s900-pinctrl.txt
@@ -8,6 +8,17 @@ Required Properties:
- reg: Should contain the register base address and size of
the pin controller.
- clocks: phandle of the clock feeding the pin controller
+- gpio-controller: Marks the device node as a GPIO controller.
+- gpio-ranges: Specifies the mapping between gpio controller and
+ pin-controller pins.
+- #gpio-cells: Should be two. The first cell is the gpio pin number
+ and the second cell is used for optional parameters.
+- interrupt-controller: Marks the device node as an interrupt controller.
+- #interrupt-cells: Specifies the number of cells needed to encode an
+ interrupt. Shall be set to 2. The first cell
+ defines the interrupt number, the second encodes
+ the trigger flags described in
+ bindings/interrupt-controller/interrupts.txt
Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
@@ -164,6 +175,11 @@ Example:
compatible = "actions,s900-pinctrl";
reg = <0x0 0xe01b0000 0x0 0x1000>;
clocks = <&cmu CLK_GPIO>;
+ gpio-controller;
+ gpio-ranges = <&pinctrl 0 0 146>;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
uart2-default: uart2-default {
pinmux {
--
2.14.1
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