[PATCH v3 1/3] dt-bindings: add binding for i.MX8MQ IOMUXC

[Abel Vesa <abel.vesa@xxxxxxx>]

This adds the binding for the i.MX8MQ pin controller, in the same
fashion as earlier i.MX SoCs.

Signed-off-by: Abel Vesa <abel.vesa@xxxxxxx>
---
 .../devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt      | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt

diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt
new file mode 100644
index 0000000..5cf7f8a
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt
@@ -0,0 +1,13 @@
+* Freescale IMX8MQ IOMUX Controller
+
+Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
+for common binding part and usage.
+
+Required properties:
+- compatible: "fsl,imx8mq-iomuxc"
+- fsl,pins: each entry consists of 6 integers and represents the mux and config
+  setting for one pin.  The first 5 integers <mux_reg conf_reg input_reg mux_val
+  input_val> are specified using a PIN_FUNC_ID macro, which can be found in
+  imx8mq-pinfunc.h under device tree source folder.  The last integer CONFIG is
+  the pad setting value like pull-up on this pin.  Please refer to i.MX8M Quad
+  Reference Manual for detailed CONFIG settings.
-- 
2.7.4

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