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net: phy: micrel: Add KSZ8041FTL fiber mode support

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We can't detect the FXEN (fiber mode) bootstrap pin, so configure
it via a boolean device tree property "micrel,fiber-mode".
If it is enabled, auto-negotiation is not supported.
The only available modes are 100base-fx (full duplex and half duplex).

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Philipp Zabel 2016-07-14 16:29:43 +02:00 • committed by David S. Miller
parent 2f43b9beea
commit 77501a79ce
3 changed files with 43 additions and 2 deletions
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1
include/linux/micrel_phy.h
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@ -37,6 +37,7 @@
/* struct phy_device dev_flags definitions */
#define MICREL_PHY_50MHZ_CLK 0x00000001
#define MICREL_PHY_FXEN 0x00000002
#define MICREL_KSZ9021_EXTREG_CTRL 0xB
#define MICREL_KSZ9021_EXTREG_DATA_WRITE 0xC