This commit adds the ability to configure specific functions of the
at803x series ethernet-PHYs, which were previously configured
exclusively with the help of platform-data, via device-tree.
This is needed to fully support existing boards of the ar71xx platform.
Signed-off-by: David Bauer <m...@david-bauer.net>
---
...phy-at803x-allow-to-configure-via-dt.patch | 49 +++++++++++++++++++
1 file changed, 49 insertions(+)
create mode 100644
target/linux/generic/pending-4.14/736-net-phy-at803x-allow-to-configure-via-dt.patch
diff --git
a/target/linux/generic/pending-4.14/736-net-phy-at803x-allow-to-configure-via-dt.patch
b/target/linux/generic/pending-4.14/736-net-phy-at803x-allow-to-configure-via-dt.patch
new file mode 100644
index 0000000000..daff25b633
--- /dev/null
+++
b/target/linux/generic/pending-4.14/736-net-phy-at803x-allow-to-configure-via-dt.patch
@@ -0,0 +1,49 @@
+Index: linux-4.14.60/drivers/net/phy/at803x.c
+===================================================================
+--- linux-4.14.60.orig/drivers/net/phy/at803x.c
++++ linux-4.14.60/drivers/net/phy/at803x.c
+@@ -354,6 +354,14 @@ static int at803x_config_init(struct phy
+ AT803X_DEBUG_TX_CLK_DLY_EN, 0);
+ }
+
++#ifdef CONFIG_OF_MDIO
++ if (phydev->mdio.dev.of_node &&
++ of_property_read_bool(phydev->mdio.dev.of_node,
++ "at803x-disable-smarteee")) {
++ at803x_disable_smarteee(phydev);
++ }
++#endif
++
+ return 0;
+ }
+
+@@ -392,6 +400,7 @@ static void at803x_link_change_notify(st
+ {
+ struct at803x_priv *priv = phydev->priv;
+ struct at803x_platform_data *pdata;
++ u8 fixup_rgmii_tx_delay = 0;
+ pdata = dev_get_platdata(&phydev->mdio.dev);
+
+ /*
+@@ -421,8 +430,19 @@ static void at803x_link_change_notify(st
+ } else {
+ priv->phy_reset = false;
+ }
+- if (pdata && pdata->fixup_rgmii_tx_delay &&
+- phydev->speed != priv->prev_speed) {
++
++ if (pdata && pdata->fixup_rgmii_tx_delay)
++ fixup_rgmii_tx_delay = 1;
++
++#ifdef CONFIG_OF_MDIO
++ if (phydev->mdio.dev.of_node &&
++ of_property_read_bool(phydev->mdio.dev.of_node,
++ "at803x-fixup-rgmii-tx-delay")) {
++ fixup_rgmii_tx_delay = 1;
++ }
++#endif
++
++ if (fixup_rgmii_tx_delay && phydev->speed != priv->prev_speed) {
+ switch (phydev->speed) {
+ case SPEED_10:
+ case SPEED_100:
--
2.18.0
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