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net: stmmac: qcom-ethqos: further serdes reorganisation [part]

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First PHY patch of Russell's series. Vladimir will need this
 to avoid a conflict with his work.
 
 Link: https://patch.msgid.link/aaDSJAc-x2-klvHJ@shell.armlinux.org.uk
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'phy-qcom-sgmii-eth-add-set_mode-and-validate-methods'

net: stmmac: qcom-ethqos: further serdes reorganisation [part]

First PHY patch of Russell's series. Vladimir will need this
to avoid a conflict with his work.

Link: https://patch.msgid.link/aaDSJAc-x2-klvHJ@shell.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2026-03-02 15:46:10 -08:00
commit f5ada26d6c
1 changed files with 43 additions and 0 deletions
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43
drivers/phy/qualcomm/phy-qcom-sgmii-eth.c
View File

@ -7,6 +7,7 @@
#include <linux/ethtool.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/phy.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
@ -286,6 +287,37 @@ static int qcom_dwmac_sgmii_phy_power_off(struct phy *phy)
return 0;
}
static int qcom_dwmac_sgmii_phy_speed(enum phy_mode mode, int submode)
{
if (mode != PHY_MODE_ETHERNET)
return -EINVAL;
if (submode == PHY_INTERFACE_MODE_SGMII ||
submode == PHY_INTERFACE_MODE_1000BASEX)
return SPEED_1000;
if (submode == PHY_INTERFACE_MODE_2500BASEX)
return SPEED_2500;
return -EINVAL;
}
static int qcom_dwmac_sgmii_phy_set_mode(struct phy *phy, enum phy_mode mode,
int submode)
{
struct qcom_dwmac_sgmii_phy_data *data = phy_get_drvdata(phy);
int speed;
speed = qcom_dwmac_sgmii_phy_speed(mode, submode);
if (speed < 0)
return speed;
if (speed != data->speed)
data->speed = speed;
return qcom_dwmac_sgmii_phy_calibrate(phy);
}
static int qcom_dwmac_sgmii_phy_set_speed(struct phy *phy, int speed)
{
struct qcom_dwmac_sgmii_phy_data *data = phy_get_drvdata(phy);
@ -296,10 +328,21 @@ static int qcom_dwmac_sgmii_phy_set_speed(struct phy *phy, int speed)
return qcom_dwmac_sgmii_phy_calibrate(phy);
}
static int qcom_dwmac_sgmii_phy_validate(struct phy *phy, enum phy_mode mode,
int submode,
union phy_configure_opts *opts)
{
int ret = qcom_dwmac_sgmii_phy_speed(mode, submode);
return ret < 0 ? ret : 0;
}
static const struct phy_ops qcom_dwmac_sgmii_phy_ops = {
.power_on = qcom_dwmac_sgmii_phy_power_on,
.power_off = qcom_dwmac_sgmii_phy_power_off,
.set_mode = qcom_dwmac_sgmii_phy_set_mode,
.set_speed = qcom_dwmac_sgmii_phy_set_speed,
.validate = qcom_dwmac_sgmii_phy_validate,
.calibrate = qcom_dwmac_sgmii_phy_calibrate,
.owner = THIS_MODULE,
};