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Subject[PATCH v2 1/2] dt-bindings: Update iProc GPIO bindings
Date
Update the iProc GPIO binding document to add new compatible strings
"brcm,iproc-gpio-v2" and "brcm,iproc-gpio-v3" for the 2nd and 3rd
generation of the iProc GPIO controllers

Signed-off-by: Ray Jui <ray.jui@broadcom.com>
---
Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
index e427792..3a56649 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
@@ -4,7 +4,16 @@ Required properties:

- compatible:
Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio",
- "brcm,cygnus-crmu-gpio" or "brcm,iproc-gpio"
+ or "brcm,cygnus-crmu-gpio" for Cygnus SoCs
+
+ "brcm,iproc-gpio" for the first generation of the GPIO controller that
+ supports full-featured pinctrl and GPIO functions used in iProc based SoCs
+
+ "brcm,iproc-gpio-v2" for the second generation of the GPIO controller that
+ has the drive strength pinctrl support disabled, e.g., in the iProc NSP SoC
+
+ "brcm,iproc-gpio-v3" for the third generation of the GPIO controller that
+ has the general pinctrl support completely disabled

- reg:
Define the base and range of the I/O address space that contains SoC
--
2.1.4
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