diff options
| author | Dimitri Fedrau <dimitri.fedrau@liebherr.com> | 2025-02-14 17:14:10 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-02-18 03:40:42 +0300 |
| commit | 961ee5aeea048aa292f28d61f3a96a48554e91af (patch) | |
| tree | 6da9e472c6ca24fdcbde0ab84923a4bc313e549c /include/linux | |
| parent | 7fff5d958648eadec1b164dc5a61a5644117d329 (diff) | |
| download | linux-961ee5aeea048aa292f28d61f3a96a48554e91af.tar.xz | |
net: phy: Add helper for getting tx amplitude gain
Add helper which returns the tx amplitude gain defined in device tree.
Modifying it can be necessary to compensate losses on the PCB and
connector, so the voltages measured on the RJ45 pins are conforming.
Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250214-dp83822-tx-swing-v5-2-02ca72620599@liebherr.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/phy.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h index 3665cdd610a3..70c632799082 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -2097,6 +2097,10 @@ void phy_get_pause(struct phy_device *phydev, bool *tx_pause, bool *rx_pause); s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev, const int *delay_values, int size, bool is_rx); +int phy_get_tx_amplitude_gain(struct phy_device *phydev, struct device *dev, + enum ethtool_link_mode_bit_indices linkmode, + u32 *val); + void phy_resolve_pause(unsigned long *local_adv, unsigned long *partner_adv, bool *tx_pause, bool *rx_pause); |