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[v2,3/3] spi: xilinx: Update devicetree bindings for spi-xilinx

Message ID 1464601627-5246-1-git-send-email-nagasure@xilinx.com (mailing list archive)
State New, archived
Headers show

Commit Message

Naga Sureshkumar Relli May 30, 2016, 9:47 a.m. UTC
Update bindings for spi-xilinx.
as per spi-bus.txt rename num-ss-bits to num-cs.
and add fifo-size and bits-per-word properties.

Signed-off-by: Naga Sureshkumar Relli <nagasure@xilinx.com>
---
changes for v2
 - none
---
 Documentation/devicetree/bindings/spi/spi-xilinx.txt | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Comments

Mark Brown May 30, 2016, 5:38 p.m. UTC | #1
On Mon, May 30, 2016 at 03:17:07PM +0530, Naga Sureshkumar Relli wrote:

> Update bindings for spi-xilinx.
> as per spi-bus.txt rename num-ss-bits to num-cs.
> and add fifo-size and bits-per-word properties.

This makes the new bindings backwards incompatible breaking existing
machine descriptions.  It's fine to add new options but the driver
should accept the old options.
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/spi/spi-xilinx.txt b/Documentation/devicetree/bindings/spi/spi-xilinx.txt
index c7b7856..539bbe9 100644
--- a/Documentation/devicetree/bindings/spi/spi-xilinx.txt
+++ b/Documentation/devicetree/bindings/spi/spi-xilinx.txt
@@ -7,9 +7,11 @@  Required properties:
 - interrupts		: Property with a value describing the interrupt
 			  number.
 - interrupt-parent	: Must be core interrupt controller
+- fifo-size		: Depth of TX/RX Fifos
 
 Optional properties:
-- xlnx,num-ss-bits	: Number of chip selects used.
+- num-cs		: Number of chip selects used.
+- bits-per-word		: Number of bits per word.
 
 Example:
 	axi_quad_spi@41e00000 {
@@ -17,6 +19,8 @@  Example:
 			interrupt-parent = <&intc>;
 			interrupts = <0 31 1>;
 			reg = <0x41e00000 0x10000>;
-			xlnx,num-ss-bits = <0x1>;
+			num-cs = <0x1>;
+			fifo-size = <256>;
+			bits-per-word = <8>;
 	};