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authorYangbo Lu <yangbo.lu@nxp.com>2019-02-12 05:24:00 +0100
committerDavid S. Miller <davem@davemloft.net>2019-02-12 18:58:48 +0100
commit2843bf518579e9fa357ba58708c7cff96946d084 (patch)
tree086a6e1153182406a52ba4ba8f87734d30cf7440 /Documentation
parentptp_qoriq: add little enadian support (diff)
downloadlinux-2843bf518579e9fa357ba58708c7cff96946d084.tar.xz
linux-2843bf518579e9fa357ba58708c7cff96946d084.zip
dt-binding: ptp_qoriq: add little-endian support
Specify "little-endian" property if the 1588 timer IP block is little-endian mode. The default endian mode is big-endian. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/ptp/ptp-qoriq.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ptp/ptp-qoriq.txt b/Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
index 8e7f8551d190..454c937076a2 100644
--- a/Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
+++ b/Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
@@ -19,6 +19,9 @@ Clock Properties:
- fsl,max-adj Maximum frequency adjustment in parts per billion.
- fsl,extts-fifo The presence of this property indicates hardware
support for the external trigger stamp FIFO.
+ - little-endian The presence of this property indicates the 1588 timer
+ IP block is little-endian mode. The default endian mode
+ is big-endian.
These properties set the operational parameters for the PTP
clock. You must choose these carefully for the clock to work right.