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phy: add support for backplane kr mode

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Add generic support for backplane kr modes currently available:
10gbase-kr, 40gbase-kr4. Remove platform generic fixups
(armv8/layerscape and powerpc) for ethernet interfaces specified
in device tree as supported backplane modes.

Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Florinel Iordache
2020-03-16 15:35:59 +02:00
committed by Priyanka Jain
parent 316fc6ff76
commit 5d3bcdb12f
3 changed files with 41 additions and 0 deletions
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23
include/phy_interface.h
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@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2020 NXP
* Andy Fleming <afleming@gmail.com>
*
* This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
@@ -67,6 +68,15 @@ static const char * const phy_interface_strings[] = {
[PHY_INTERFACE_MODE_NONE] = "",
};
/* Backplane modes:
* are considered a sub-type of phy_interface_t: XGMII
* and are specified in "phy-connection-type" with one of the following strings
*/
static const char * const backplane_mode_strings[] = {
"10gbase-kr",
"40gbase-kr4",
};
static inline const char *phy_string_for_interface(phy_interface_t i)
{
/* Default to unknown */
@@ -76,4 +86,17 @@ static inline const char *phy_string_for_interface(phy_interface_t i)
return phy_interface_strings[i];
}
static inline bool is_backplane_mode(const char *phyconn)
{
int i;
if (!phyconn)
return false;
for (i = 0; i < ARRAY_SIZE(backplane_mode_strings); i++) {
if (!strcmp(phyconn, backplane_mode_strings[i]))
return true;
}
return false;
}
#endif /* _PHY_INTERFACE_H */