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cpsw: add a DT field for the active time stamping port

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Because time stamping on both external ports of the switch simultaneously
is positively useless from the application's point of view, this patch
provides a DT configuration method to choose the active port.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Cochran
2012-10-29 08:45:18 +00:00
committed by David S. Miller
parent 6b60393e08
commit 78ca0b2873
3 changed files with 11 additions and 0 deletions
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include/linux/platform_data/cpsw.h
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@@ -33,6 +33,7 @@ struct cpsw_platform_data {
u32 slaves; /* number of slave cpgmac ports */
struct cpsw_slave_data *slave_data;
u32 cpts_active_slave; /* time stamping slave */
u32 ale_reg_ofs; /* address lookup engine reg offset */
u32 ale_entries; /* ale table size */