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net: phy: Add 100 base-x mode 

Sparx-5 supports this mode and it is missing in the PHY core.

Signed-off-by: Bjarni Jonasson <bjarni.jonasson@microchip.com>
Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Bjarni Jonasson 2021-01-13 12:56:25 +01:00 committed by Jakub Kicinski
parent 3c51fa5d2a
commit b1ae3587d1
2 changed files with 9 additions and 0 deletions
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5
Documentation/networking/phy.rst
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@ -286,6 +286,11 @@ Some of the interface modes are described below:
Note: due to legacy usage, some 10GBASE-R usage incorrectly makes Note: due to legacy usage, some 10GBASE-R usage incorrectly makes
use of this definition. use of this definition.
``PHY_INTERFACE_MODE_100BASEX``
This defines IEEE 802.3 Clause 24. The link operates at a fixed data
rate of 125Mpbs using a 4B/5B encoding scheme, resulting in an underlying
data rate of 100Mpbs.
Pause frames / flow control Pause frames / flow control
=========================== ===========================

4
include/linux/phy.h
View File

@ -104,6 +104,7 @@ extern const int phy_10gbit_features_array[1];
* @PHY_INTERFACE_MODE_MOCA: Multimedia over Coax * @PHY_INTERFACE_MODE_MOCA: Multimedia over Coax
* @PHY_INTERFACE_MODE_QSGMII: Quad SGMII * @PHY_INTERFACE_MODE_QSGMII: Quad SGMII
* @PHY_INTERFACE_MODE_TRGMII: Turbo RGMII * @PHY_INTERFACE_MODE_TRGMII: Turbo RGMII
* @PHY_INTERFACE_MODE_100BASEX: 100 BaseX
* @PHY_INTERFACE_MODE_1000BASEX: 1000 BaseX * @PHY_INTERFACE_MODE_1000BASEX: 1000 BaseX
* @PHY_INTERFACE_MODE_2500BASEX: 2500 BaseX * @PHY_INTERFACE_MODE_2500BASEX: 2500 BaseX
* @PHY_INTERFACE_MODE_RXAUI: Reduced XAUI * @PHY_INTERFACE_MODE_RXAUI: Reduced XAUI
@ -135,6 +136,7 @@ typedef enum {
PHY_INTERFACE_MODE_MOCA, PHY_INTERFACE_MODE_MOCA,
PHY_INTERFACE_MODE_QSGMII, PHY_INTERFACE_MODE_QSGMII,
PHY_INTERFACE_MODE_TRGMII, PHY_INTERFACE_MODE_TRGMII,
PHY_INTERFACE_MODE_100BASEX,
PHY_INTERFACE_MODE_1000BASEX, PHY_INTERFACE_MODE_1000BASEX,
PHY_INTERFACE_MODE_2500BASEX, PHY_INTERFACE_MODE_2500BASEX,
PHY_INTERFACE_MODE_RXAUI, PHY_INTERFACE_MODE_RXAUI,
@ -217,6 +219,8 @@ static inline const char *phy_modes(phy_interface_t interface)
return "usxgmii"; return "usxgmii";
case PHY_INTERFACE_MODE_10GKR: case PHY_INTERFACE_MODE_10GKR:
return "10gbase-kr"; return "10gbase-kr";
case PHY_INTERFACE_MODE_100BASEX:
return "100base-x";
default: default:
return "unknown"; return "unknown";
} }