kernel: allow device-tree configuration of at803x
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 <mail@david-bauer.net>
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1 changed files with 49 additions and 0 deletions
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@ -0,0 +1,49 @@
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Index: linux-4.14.60/drivers/net/phy/at803x.c
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===================================================================
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--- linux-4.14.60.orig/drivers/net/phy/at803x.c
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+++ linux-4.14.60/drivers/net/phy/at803x.c
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@@ -354,6 +354,14 @@ static int at803x_config_init(struct phy
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AT803X_DEBUG_TX_CLK_DLY_EN, 0);
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}
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+#ifdef CONFIG_OF_MDIO
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+ if (phydev->mdio.dev.of_node &&
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+ of_property_read_bool(phydev->mdio.dev.of_node,
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+ "at803x-disable-smarteee")) {
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+ at803x_disable_smarteee(phydev);
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+ }
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+#endif
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+
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return 0;
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}
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@@ -392,6 +400,7 @@ static void at803x_link_change_notify(st
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{
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struct at803x_priv *priv = phydev->priv;
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struct at803x_platform_data *pdata;
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+ u8 fixup_rgmii_tx_delay = 0;
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pdata = dev_get_platdata(&phydev->mdio.dev);
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/*
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@@ -421,8 +430,19 @@ static void at803x_link_change_notify(st
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} else {
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priv->phy_reset = false;
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}
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- if (pdata && pdata->fixup_rgmii_tx_delay &&
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- phydev->speed != priv->prev_speed) {
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+
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+ if (pdata && pdata->fixup_rgmii_tx_delay)
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+ fixup_rgmii_tx_delay = 1;
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+
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+#ifdef CONFIG_OF_MDIO
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+ if (phydev->mdio.dev.of_node &&
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+ of_property_read_bool(phydev->mdio.dev.of_node,
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+ "at803x-fixup-rgmii-tx-delay")) {
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+ fixup_rgmii_tx_delay = 1;
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+ }
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+#endif
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+
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+ if (fixup_rgmii_tx_delay && phydev->speed != priv->prev_speed) {
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switch (phydev->speed) {
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case SPEED_10:
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case SPEED_100:
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