diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.18/425-net-phy-at803x-allow-to-configure-via-pdata.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.18/425-net-phy-at803x-allow-to-configure-via-pdata.patch | 53 |
1 files changed, 49 insertions, 4 deletions
diff --git a/target/linux/ar71xx/patches-3.18/425-net-phy-at803x-allow-to-configure-via-pdata.patch b/target/linux/ar71xx/patches-3.18/425-net-phy-at803x-allow-to-configure-via-pdata.patch index babc695ce9..d046edef22 100644 --- a/target/linux/ar71xx/patches-3.18/425-net-phy-at803x-allow-to-configure-via-pdata.patch +++ b/target/linux/ar71xx/patches-3.18/425-net-phy-at803x-allow-to-configure-via-pdata.patch @@ -32,6 +32,14 @@ #define AT803X_DEBUG_SYSTEM_MODE_CTRL 0x05 #define AT803X_DEBUG_RGMII_TX_CLK_DLY BIT(8) +@@ -50,6 +60,7 @@ MODULE_LICENSE("GPL"); + struct at803x_priv { + bool phy_reset:1; + struct gpio_desc *gpiod_reset; ++ int prev_speed; + }; + + struct at803x_context { @@ -61,6 +71,43 @@ struct at803x_context { u16 led_control; }; @@ -120,16 +128,53 @@ return 0; } +@@ -258,6 +334,8 @@ static int at803x_config_intr(struct phy + static void at803x_link_change_notify(struct phy_device *phydev) + { + struct at803x_priv *priv = phydev->priv; ++ struct at803x_platform_data *pdata; ++ pdata = dev_get_platdata(&phydev->dev); + + /* + * Conduct a hardware reset for AT8030 every time a link loss is +@@ -287,6 +365,26 @@ static void at803x_link_change_notify(st + } else { + priv->phy_reset = false; + } ++ } ++ if (pdata->fixup_rgmii_tx_delay && ++ phydev->speed != priv->prev_speed) { ++ switch (phydev->speed) { ++ case SPEED_10: ++ case SPEED_100: ++ at803x_dbg_reg_set(phydev, ++ AT803X_DEBUG_SYSTEM_MODE_CTRL, ++ AT803X_DEBUG_RGMII_TX_CLK_DLY); ++ break; ++ case SPEED_1000: ++ at803x_dbg_reg_clr(phydev, ++ AT803X_DEBUG_SYSTEM_MODE_CTRL, ++ AT803X_DEBUG_RGMII_TX_CLK_DLY); ++ break; ++ default: ++ break; ++ } ++ ++ priv->prev_speed = phydev->speed; + } + } + --- /dev/null +++ b/include/linux/platform_data/phy-at803x.h -@@ -0,0 +1,10 @@ +@@ -0,0 +1,11 @@ +#ifndef _PHY_AT803X_PDATA_H +#define _PHY_AT803X_PDATA_H + +struct at803x_platform_data { -+ int disable_smarteee:1; -+ int enable_rgmii_tx_delay:1; -+ int enable_rgmii_rx_delay:1; ++ int disable_smarteee:1; ++ int enable_rgmii_tx_delay:1; ++ int enable_rgmii_rx_delay:1; ++ int fixup_rgmii_tx_delay:1; +}; + +#endif /* _PHY_AT803X_PDATA_H */ |