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The RTL8224 has a register to configure a pair swap (from ABCD order to
DCBA) providing PCB designers more flexbility when wiring the chip. The
swap parameter has to be set correctly for each of the 4 ports before
the chip can detect a link.
After a reset, this register is (unfortunately) left in a random state,
thus it has to be initialized. On most of the devices the bootloader
does it once for all and we can rely on the value set, on some other it
is not and the kernel has to do it.
The MDI pair swap can be set in the device tree using the property
enet-phy-pair-order. The property is set to 0 to keep the default order
(ABCD), or 1 to reverse the pairs (DCBA).
Signed-off-by: Damien Dejean <dam.dejean@gmail.com>
Link: https://patch.msgid.link/20260318215502.106528-3-dam.dejean@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Make config symbol REALTEK_PHY_HWMON user-visible, so that users can
remove support if not needed.
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/3466ee92-166a-4b0f-9ae7-42b9e046f333@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This adds hwmon support for the temperature sensor on RTL822x.
It's available on the standalone versions of the PHY's, and on
the integrated PHY's in RTL8125B/RTL8125D/RTL8126.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/ad6bfe9f-6375-4a00-84b4-bfb38a21bd71@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In preparation of adding a source file with hwmon support, move the
Realtek PHY driver to its own subdirectory and rename realtek.c to
realtek_main.c.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/c566551b-c915-4e34-9b33-129a6ddd6e4c@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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