Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-11 07:39:47 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

spi: xilinx: add description of new property xlnx,num-transfer-bits

Browse Source 
This property is used to set the number of bits per transfer (bits_per_word).

Xilinx' IP core allows either 8, 16 or 32, and is non changeable on runtime,
only when instantiating the core.

Signed-off-by: Alvaro Gamez Machado <alvaro.gamez@hazent.com>
Link: https://lore.kernel.org/r/20191024110757.25820-2-alvaro.gamez@hazent.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Alvaro Gamez Machado 2019-10-24 13:07:55 +02:00 committed by Mark Brown
parent be73e323ae
commit e3354b17b4
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/spi/spi-xilinx.txt
View File

@ -9,6 +9,7 @@ Required properties:
Optional properties:
- xlnx,num-ss-bits : Number of chip selects used.
- xlnx,num-transfer-bits : Number of bits per transfer. This will be 8 if not specified
Example:
axi_quad_spi@41e00000 {
@ -17,5 +18,6 @@ Example:
interrupts = <0 31 1>;
reg = <0x41e00000 0x10000>;
xlnx,num-ss-bits = <0x1>;
xlnx,num-transfer-bits = <32>;
};