linux-stable.git/drivers/net/phy/micrel.c, branch linux-6.4.y

net: micrel: Update the list of supported phys

2023-04-20T01:40:40+00:00

At the beginning of the file micrel.c there is list of supported PHYs.
Extend this list with the following PHYs lan8841, lan8814 and lan8804,
as these PHYs were added but the list was not updated.

Signed-off-by: Horatiu Vultur 
Reviewed-by: Andrew Lunn 
Link: https://lore.kernel.org/r/20230418124713.2221451-1-horatiu.vultur@microchip.com
Signed-off-by: Jakub Kicinski

net: phy: micrel: Fix PTP_PF_PEROUT for lan8841

2023-04-17T07:10:00+00:00

If the 1PPS output was enabled and then lan8841 was configured to be a
follower, then target clock which is used to generate the 1PPS was not
configure correctly. The problem was that for each adjustments of the
time, also the nanosecond part of the target clock was changed.
Therefore the initial nanosecond part of the target clock was changed.
The issue can be observed if both the leader and the follower are
generating 1PPS and see that their PPS are not aligned even if the time
is allined.
The fix consists of not modifying the nanosecond part of the target
clock when adjusting the time. In this way the 1PPS get also aligned.

Fixes: e4ed8ba08e3f ("net: phy: micrel: Add support for PTP_PF_PEROUT for lan8841")
Signed-off-by: Horatiu Vultur 
Signed-off-by: David S. Miller

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2023-03-30T21:43:03+00:00

Conflicts:

drivers/net/ethernet/mediatek/mtk_ppe.c
  3fbe4d8c0e53 ("net: ethernet: mtk_eth_soc: ppe: add support for flow accounting")
  924531326e2d ("net: ethernet: mtk_eth_soc: add missing ppe cache flush when deleting a flow")

Signed-off-by: Jakub Kicinski

net: phy: micrel: correct KSZ9131RNX EEE capabilities and advertisement

2023-03-27T07:15:52+00:00

The KSZ9131RNX incorrectly shows EEE capabilities in its registers.
Although the "EEE control and capability 1" (Register 3.20) is set to 0,
indicating no EEE support, the "EEE advertisement 1" (Register 7.60) is
set to 0x6, advertising EEE support for 1000BaseT/Full and
100BaseT/Full.
This inconsistency causes PHYlib to assume there is no EEE support,
preventing control over EEE advertisement, which is enabled by default.

This patch resolves the issue by utilizing the ksz9477_get_features()
function to correctly set the EEE capabilities for the KSZ9131RNX. This
adjustment allows proper control over EEE advertisement and ensures
accurate representation of the device's capabilities.

Fixes: 8b68710a3121 ("net: phy: start using genphy_c45_ethtool_get/set_eee()")
Reported-by: Marek Vasut 
Tested-by: Marek Vasut 
Signed-off-by: Oleksij Rempel 
Signed-off-by: David S. Miller

net: phy: micrel: Add support for PTP_PF_EXTTS for lan8841

2023-03-24T09:12:33+00:00

Extend the PTP programmable gpios to implement also PTP_PF_EXTTS
function. The pins can be configured to capture both of rising
and falling edge. Once the event is seen, then an interrupt is
generated and the LTC is saved in the registers.

This was tested using:
ts2phc -m -l 7 -s generic -f ts2phc.cfg

Where the configuration was the following:
[global]
ts2phc.pin_index  6

[eth2]

Signed-off-by: Horatiu Vultur 
Signed-off-by: David S. Miller

net: phy: micrel: Fix spelling mistake "minimim" -> "minimum"

2023-03-16T05:17:40+00:00

There is a spelling mistake in a pr_warn_ratelimited message. Fix it.

Signed-off-by: Colin Ian King 
Link: https://lore.kernel.org/r/20230314082315.26532-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski

net: phy: micrel: drop superfluous use of temp variable

2023-03-16T04:32:02+00:00

'temp' was used before commit c0c99d0cd107 ("net: phy: micrel: remove
the use of .ack_interrupt()") refactored the code. Now, we can simplify
it a little.

Signed-off-by: Wolfram Sang 
Reviewed-by: Andrew Lunn 
Reviewed-by: Geert Uytterhoeven 
Link: https://lore.kernel.org/r/20230314124928.44948-1-wsa+renesas@sang-engineering.com
Signed-off-by: Jakub Kicinski

net: phy: micrel: Add support for PTP_PF_PEROUT for lan8841

2023-03-13T22:36:32+00:00

Lan8841 has 10 GPIOs and it has 2 events(EVENT_A and EVENT_B). It is
possible to assigned the 2 events to any of the GPIOs, but a GPIO can
have only 1 event at a time.
These events are used to generate periodic signals. It is possible to
configure the length, the start time and the period of the signal by
configuring the event.
Currently the SW uses only EVENT_A to generate the perout.

These events are generated by comparing the target time with the PHC
time. In case the PHC time is changed to a value bigger than the target
time + reload time, then it would generate only 1 event and then it
would stop because target time + reload time is small than PHC time.
Therefore it is required to change also the target time every time when
the PHC is changed. The same will apply also when the PHC time is
changed to a smaller value.

This was tested using:
testptp -L 6,2
testptp -p 1000000000 -w 200000000

Signed-off-by: Horatiu Vultur 
Link: https://lore.kernel.org/r/20230307214402.793057-1-horatiu.vultur@microchip.com
Signed-off-by: Jakub Kicinski

net: phy: micrel: add ksz9477_get_features()

2023-02-13T11:12:31+00:00

KSZ8563R, which has same PHYID as KSZ9477 family, will change "EEE control
and capability 1" (Register 3.20) content depending on configuration of
"EEE advertisement 1" (Register 7.60). Changes on the 7.60 will affect
3.20 register.

So, instead of depending on register 3.20, driver should set supported_eee.

Proper supported_eee configuration is needed to make use of generic
PHY c45 set/get_eee functions provided by next patches.

Signed-off-by: Oleksij Rempel 
Reviewed-by: Andrew Lunn 
Signed-off-by: David S. Miller

net: micrel: Add PHC support for lan8841

2023-02-13T09:51:05+00:00

Add support for PHC and timestamping operations for the lan8841 PHY.
PTP 1-step and 2-step modes are supported, over Ethernet and UDP both
ipv4 and ipv6.

Signed-off-by: Horatiu Vultur 
Signed-off-by: David S. Miller