[PATCH 4/4] devicetree: Add Renesas SH Mobile MSIOF spi controller binding doc

[Bastian Hecht <hechtb-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>]

Add binding documentation for Renesas' MSIOF SPI controller.

Signed-off-by: Bastian Hecht <hechtb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 Documentation/devicetree/bindings/spi/sh-msiof.txt |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/spi/sh-msiof.txt

diff --git a/Documentation/devicetree/bindings/spi/sh-msiof.txt b/Documentation/devicetree/bindings/spi/sh-msiof.txt
new file mode 100644
index 0000000..0d60e04
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/sh-msiof.txt
@@ -0,0 +1,12 @@
+Renesas MSIOF spi controller
+
+Required properties:
+- compatible : 	"renesas,sh-msiof" for SuperH or
+		"renesas,sh-mobile-msiof" for SH Mobile series
+- reg : Offset and length of the register set for the device
+- interrupts : interrupt line used by MSIOF
+
+Optional properties:
+- chip_select  : Chip select, needed if not 0
+- tx_fifo_size : Overrides the default tx fifo size given in words
+- rx_fifo_size : Overrides the default rx fifo size given in words
-- 
1.7.5.4


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