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net: pse-pd: pd692x0: Add support for controller and manager power supplies

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Add support for managing the VDD and VDDA power supplies for the PD692x0
PSE controller, as well as the VAUX5 and VAUX3P3 power supplies for the
PD6920x PSE managers.

Signed-off-by: Kory Maincent (Dent Project) <kory.maincent@bootlin.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20250617-feature_poe_port_prio-v14-10-78a1a645e2ee@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kory Maincent (Dent Project) 2025-06-17 14:12:09 +02:00 • committed by Jakub Kicinski
parent 359754013e
commit 24a4e3a05d
1 changed files with 20 additions and 0 deletions
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20
drivers/net/pse-pd/pd692x0.c
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@ -976,8 +976,10 @@ pd692x0_register_managers_regulator(struct pd692x0_priv *priv,
reg_name_len = strlen(dev_name(dev)) + 23;
for (i = 0; i < nmanagers; i++) {
static const char * const regulators[] = { "vaux5", "vaux3p3" };
struct regulator_dev *rdev;
char *reg_name;
int ret;
reg_name = devm_kzalloc(dev, reg_name_len, GFP_KERNEL);
if (!reg_name)
@ -988,6 +990,17 @@ pd692x0_register_managers_regulator(struct pd692x0_priv *priv,
if (IS_ERR(rdev))
return PTR_ERR(rdev);
/* VMAIN is described as main supply for the manager.
* Add other VAUX power supplies and link them to the
* virtual device rdev->dev.
*/
ret = devm_regulator_bulk_get_enable(&rdev->dev,
ARRAY_SIZE(regulators),
regulators);
if (ret)
return dev_err_probe(&rdev->dev, ret,
"Failed to enable regulators\n");
priv->manager_reg[i] = rdev;
}
@ -1640,6 +1653,7 @@ static const struct fw_upload_ops pd692x0_fw_ops = {
static int pd692x0_i2c_probe(struct i2c_client *client)
{
static const char * const regulators[] = { "vdd", "vdda" };
struct pd692x0_msg msg, buf = {0}, zero = {0};
struct device *dev = &client->dev;
struct pd692x0_msg_ver ver;
@ -1647,6 +1661,12 @@ static int pd692x0_i2c_probe(struct i2c_client *client)
struct fw_upload *fwl;
int ret;
ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(regulators),
regulators);
if (ret)
return dev_err_probe(dev, ret,
"Failed to enable regulators\n");
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
dev_err(dev, "i2c check functionality failed\n");
return -ENXIO;