[PATCH 3/4] dt-bindings: Update iProc GPIO bindings

[Ray Jui <ray.jui@xxxxxxxxxxxx>]

Update the iProc GPIO binding document to introduce a new compatible
string "brcm,iproc-gpio-only", that allows the generic pinconf function
to be disabled completely

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 | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
index ddaa1b0..75a4370 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
@@ -3,8 +3,11 @@ Broadcom iProc GPIO/PINCONF Controller
 Required properties:
 
 - compatible:
-    Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio",
-    "brcm,cygnus-crmu-gpio" or "brcm,iproc-gpio"
+    For Cygnus, it must be brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", or
+"brcm,cygnus-crmu-gpio"
+    For non-Cygnus iProc SoCs, it must be either "brcm,iproc-gpio-only" (if
+only GPIO is supported) or "brcm,iproc-gpio" (if both generic pinconf and GPIO
+are supported)
 
 - reg:
     Define the base and range of the I/O address space that contains SoC
-- 
2.1.4

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