forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

dt-bindings: ata: add ahci_imx electrical properties

Browse source 
Add the documentation for the electrical properties for the iMX SATA
controller.  There are many values for these, and listing them would
be error prone.  Refer readers to the device documentation and driver
source code for these details.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Russell King 2014-06-24 11:19:42 +01:00 • committed by Tejun Heo
commit dcb1b29b08
1 changed files with 8 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Documentation/devicetree/bindings/ata/imx-sata.txt
View file

@ -13,6 +13,14 @@ Required properties:
required entry in clock-names required entry in clock-names
- clock-names : should include "sata", "sata_ref" and "ahb" entries - clock-names : should include "sata", "sata_ref" and "ahb" entries
Optional properties:
- fsl,transmit-level-mV : transmit voltage level, in millivolts.
- fsl,transmit-boost-mdB : transmit boost level, in milli-decibels
- fsl,transmit-atten-16ths : transmit attenuation, in 16ths
- fsl,receive-eq-mdB : receive equalisation, in milli-decibels
Please refer to the technical documentation or the driver source code
for the list of legal values for these options.
Examples: Examples:
sata@02200000 { sata@02200000 {