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| /openbmc/linux/drivers/net/phy/ |
| H A D | vitesse.c | 955e1602 Wed Nov 16 03:02:33 CST 2016 Alex <alex.g@adaptrum.com> net/phy/vitesse: Configure RGMII skew on VSC8601, if needed
With RGMII, we need a 1.5 to 2ns skew between clock and data lines. The
VSC8601 can handle this internally. While the VSC8601 can set more
fine-grained delays, the standard skew settings work out of the box.
The same heuristic is used to determine when this skew should be enabled
as in vsc824x_config_init().
Tested on custom board with AM3352 SOC and VSC801 PHY.
Signed-off-by: Alexandru Gagniuc <alex.g@adaptrum.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
955e1602 Wed Nov 16 03:02:33 CST 2016 Alex <alex.g@adaptrum.com> net/phy/vitesse: Configure RGMII skew on VSC8601, if needed
With RGMII, we need a 1.5 to 2ns skew between clock and data lines. The
VSC8601 can handle this internally. While the VSC8601 can set more
fine-grained delays, the standard skew settings work out of the box.
The same heuristic is used to determine when this skew should be enabled
as in vsc824x_config_init().
Tested on custom board with AM3352 SOC and VSC801 PHY.
Signed-off-by: Alexandru Gagniuc <alex.g@adaptrum.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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