diff options
| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2023-09-14 10:51:07 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-09-16 15:40:08 +0300 |
| commit | d67d7247f641fc9e9a8b08894444b5d9904cc44e (patch) | |
| tree | bc93d7939d72bf74f96ce0b54d8d952046fe5a38 /drivers/net/dsa/microchip/ksz9477_reg.h | |
| parent | e26f40a60f17050040afcb8777f9aeac4f354a97 (diff) | |
| download | linux-d67d7247f641fc9e9a8b08894444b5d9904cc44e.tar.xz | |
net: dsa: microchip: Add drive strength configuration
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>
Diffstat (limited to 'drivers/net/dsa/microchip/ksz9477_reg.h')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477_reg.h | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477_reg.h b/drivers/net/dsa/microchip/ksz9477_reg.h index cba3dba58bc3..504e085aab52 100644 --- a/drivers/net/dsa/microchip/ksz9477_reg.h +++ b/drivers/net/dsa/microchip/ksz9477_reg.h @@ -112,19 +112,6 @@ #define REG_SW_IBA_SYNC__1 0x010C -#define REG_SW_IO_STRENGTH__1 0x010D -#define SW_DRIVE_STRENGTH_M 0x7 -#define SW_DRIVE_STRENGTH_2MA 0 -#define SW_DRIVE_STRENGTH_4MA 1 -#define SW_DRIVE_STRENGTH_8MA 2 -#define SW_DRIVE_STRENGTH_12MA 3 -#define SW_DRIVE_STRENGTH_16MA 4 -#define SW_DRIVE_STRENGTH_20MA 5 -#define SW_DRIVE_STRENGTH_24MA 6 -#define SW_DRIVE_STRENGTH_28MA 7 -#define SW_HI_SPEED_DRIVE_STRENGTH_S 4 -#define SW_LO_SPEED_DRIVE_STRENGTH_S 0 - #define REG_SW_IBA_STATUS__4 0x0110 #define SW_IBA_REQ BIT(31) |