From: Thor Thayer <ttha...@opensource.altera.com>

Altera's Arria10 architecture requires a 32bit accesses for
peripherals. The current spi-dw driver uses 16bit accesses in
some locations. This patch updated the bindings with an optional
field the devicetree can use to select 32bit accesses.

Signed-off-by: Thor Thayer <ttha...@opensource.altera.com>
---
 Documentation/devicetree/bindings/spi/spi-dw.txt |    1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/spi/spi-dw.txt 
b/Documentation/devicetree/bindings/spi/spi-dw.txt
index 7b63ed6..034dbdd 100644
--- a/Documentation/devicetree/bindings/spi/spi-dw.txt
+++ b/Documentation/devicetree/bindings/spi/spi-dw.txt
@@ -11,6 +11,7 @@ Required properties:
 
 Optional properties:
 - cs-gpios: see spi-bus.txt
+- 32bit_access : use 32 bit register accesses
 
 Example:
 
-- 
1.7.9.5

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