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Subject[PATCH v3 1/2] dt-bindings: Update iProc GPIO bindings
Date
Update the iProc GPIO binding document to add new compatible strings
"brcm,iproc-gpio-nsp" and "brcm,iproc-gpio-stingray" to support the
iProc based GPIO controller used in the NSP and Stingray SoCs,
respectively

Signed-off-by: Ray Jui <ray.jui@broadcom.com>
---
.../devicetree/bindings/pinctrl/brcm,iproc-gpio.txt | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
index e427792..7bd1614 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
@@ -3,8 +3,22 @@ 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"
+ "brcm,iproc-gpio" for the generic iProc based GPIO controller IP that
+ supports full-featured pinctrl and GPIO functions used in various iProc
+ based SoCs
+
+ May contain an SoC-specific compatibility string to accommodate any
+ SoC-specific features
+
+ "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", or
+ "brcm,cygnus-crmu-gpio" for Cygnus SoCs
+
+ "brcm,iproc-gpio-nsp" for the iProc NSP SoC that has drive strength support
+ disabled
+
+ "brcm,iproc-gpio-stingray" for the iProc Stingray SoC that has the general
+ pinctrl support completely disabled in this IP block. In Stingray, a
+ different IP block is used to handle pinctrl related functions

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