mirror of https://github.com/hak5/openwrt.git
69 lines
2.1 KiB
Diff
69 lines
2.1 KiB
Diff
Add support for configuring AT803x GPIO reset via platform data.
|
|
This is necessary, because ath79 is not converted to device tree yet.
|
|
|
|
Signed-off-by: Felix Fietkau <nbd@nbd.name>
|
|
|
|
--- a/include/linux/platform_data/phy-at803x.h
|
|
+++ b/include/linux/platform_data/phy-at803x.h
|
|
@@ -6,6 +6,8 @@ struct at803x_platform_data {
|
|
int enable_rgmii_tx_delay:1;
|
|
int enable_rgmii_rx_delay:1;
|
|
int fixup_rgmii_tx_delay:1;
|
|
+ int has_reset_gpio:1;
|
|
+ int reset_gpio;
|
|
};
|
|
|
|
#endif /* _PHY_AT803X_PDATA_H */
|
|
--- a/drivers/net/phy/at803x.c
|
|
+++ b/drivers/net/phy/at803x.c
|
|
@@ -243,6 +243,7 @@ static int at803x_resume(struct phy_devi
|
|
|
|
static int at803x_probe(struct phy_device *phydev)
|
|
{
|
|
+ struct at803x_platform_data *pdata;
|
|
struct device *dev = &phydev->dev;
|
|
struct at803x_priv *priv;
|
|
struct gpio_desc *gpiod_reset;
|
|
@@ -255,6 +256,12 @@ static int at803x_probe(struct phy_devic
|
|
phydev->drv->phy_id != ATH8032_PHY_ID)
|
|
goto does_not_require_reset_workaround;
|
|
|
|
+ pdata = dev_get_platdata(&phydev->dev);
|
|
+ if (pdata && pdata->has_reset_gpio) {
|
|
+ devm_gpio_request(dev, pdata->reset_gpio, "reset");
|
|
+ gpio_direction_output(pdata->reset_gpio, 1);
|
|
+ }
|
|
+
|
|
gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
|
|
if (IS_ERR(gpiod_reset))
|
|
return PTR_ERR(gpiod_reset);
|
|
@@ -377,15 +384,23 @@ static void at803x_link_change_notify(st
|
|
* cannot recover from by software.
|
|
*/
|
|
if (phydev->state == PHY_NOLINK) {
|
|
- if (priv->gpiod_reset && !priv->phy_reset) {
|
|
+ if ((priv->gpiod_reset || pdata->has_reset_gpio) &&
|
|
+ !priv->phy_reset) {
|
|
struct at803x_context context;
|
|
|
|
at803x_context_save(phydev, &context);
|
|
|
|
- gpiod_set_value(priv->gpiod_reset, 1);
|
|
- msleep(1);
|
|
- gpiod_set_value(priv->gpiod_reset, 0);
|
|
- msleep(1);
|
|
+ if (pdata->has_reset_gpio) {
|
|
+ gpio_set_value_cansleep(pdata->reset_gpio, 0);
|
|
+ msleep(1);
|
|
+ gpio_set_value_cansleep(pdata->reset_gpio, 1);
|
|
+ msleep(1);
|
|
+ } else {
|
|
+ gpiod_set_value(priv->gpiod_reset, 1);
|
|
+ msleep(1);
|
|
+ gpiod_set_value(priv->gpiod_reset, 0);
|
|
+ msleep(1);
|
|
+ }
|
|
|
|
at803x_context_restore(phydev, &context);
|
|
|