net: dsa: microchip: Add drive strength configuration

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Add device tree based drive strength configuration support. It is needed to
pass EMI validation on our hardware.

Configuration values are based on the vendor's reference driver.

Tested on KSZ9563R.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Oleksij Rempel 2023-09-14 09:51:07 +02:00 • committed by David S. Miller

parent e26f40a60f

commit d67d7247f6

4 changed files with 329 additions and 27 deletions

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14

drivers/net/dsa/microchip/ksz8795_reg.h

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13

drivers/net/dsa/microchip/ksz9477_reg.h

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309

drivers/net/dsa/microchip/ksz_common.c

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20

drivers/net/dsa/microchip/ksz_common.h

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