[PATCH 1/4] dt-bindings: Update iProc GPIO bindings

[Ray Jui <ray.jui@xxxxxxxxxxxx>]

Update the iProc GPIO binding document to add a new optional property
'brcm,pinconf-func-off' that allows certain PINCONF parameters to be
disabled in certain iProc SoCs where these PINCONF functions are not
supported

Signed-off-by: Ray Jui <ray.jui@xxxxxxxxxxxx>
Reviewed-by: Jon Mason <jon.mason@xxxxxxxxxxxx>
Reviewed-by: Scott Branden <scott.branden@xxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
index e427792..ddaa1b0 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
@@ -37,6 +37,11 @@ Optional properties:
     3  Pin-control base pin offset.
     4. number of gpio pins which are linearly mapped from pin base.
 
+- brcm,pinconf-func-off:
+    Certain iProc SoCs might have some of the PINCONF functions disabled in
+the chip when the iProc GPIO controller is integrated. This optional property
+allows unsupported PINCONF functions to be disabled
+
 Supported generic PINCONF properties in child nodes:
 
 - pins:
-- 
2.1.4

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