diff options
Diffstat (limited to 'target/linux/generic/pending-4.14/734-net-phy-at803x-allow-to-configure-via-pdata.patch')
| -rw-r--r-- | target/linux/generic/pending-4.14/734-net-phy-at803x-allow-to-configure-via-pdata.patch | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/target/linux/generic/pending-4.14/734-net-phy-at803x-allow-to-configure-via-pdata.patch b/target/linux/generic/pending-4.14/734-net-phy-at803x-allow-to-configure-via-pdata.patch deleted file mode 100644 index 27bbf572e9..0000000000 --- a/target/linux/generic/pending-4.14/734-net-phy-at803x-allow-to-configure-via-pdata.patch +++ /dev/null @@ -1,142 +0,0 @@ -From: Gabor Juhos <juhosg@openwrt.org> -Subject: net: phy: allow to configure AR803x PHYs via platform data - -Add a patch for the at803x phy driver, in order to be able -to configure some register settings via platform data. - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> ---- - drivers/net/phy/at803x.c | 56 ++++++++++++++++++++++++++++++++ - include/linux/platform_data/phy-at803x.h | 11 +++++++ - 2 files changed, 67 insertions(+) - create mode 100644 include/linux/platform_data/phy-at803x.h - ---- a/drivers/net/phy/at803x.c -+++ b/drivers/net/phy/at803x.c -@@ -12,12 +12,14 @@ - */ - - #include <linux/phy.h> -+#include <linux/mdio.h> - #include <linux/module.h> - #include <linux/string.h> - #include <linux/netdevice.h> - #include <linux/etherdevice.h> - #include <linux/of_gpio.h> - #include <linux/gpio/consumer.h> -+#include <linux/platform_data/phy-at803x.h> - - #define AT803X_INTR_ENABLE 0x12 - #define AT803X_INTR_ENABLE_AUTONEG_ERR BIT(15) -@@ -45,6 +47,11 @@ - #define AT803X_REG_CHIP_CONFIG 0x1f - #define AT803X_BT_BX_REG_SEL 0x8000 - -+#define AT803X_PCS_SMART_EEE_CTRL3 0x805D -+#define AT803X_SMART_EEE_CTRL3_LPI_TX_DELAY_SEL_MASK 0x3 -+#define AT803X_SMART_EEE_CTRL3_LPI_TX_DELAY_SEL_SHIFT 12 -+#define AT803X_SMART_EEE_CTRL3_LPI_EN BIT(8) -+ - #define AT803X_DEBUG_ADDR 0x1D - #define AT803X_DEBUG_DATA 0x1E - -@@ -74,6 +81,7 @@ MODULE_LICENSE("GPL"); - struct at803x_priv { - bool phy_reset:1; - struct gpio_desc *gpiod_reset; -+ int prev_speed; - }; - - struct at803x_context { -@@ -274,8 +282,16 @@ does_not_require_reset_workaround: - return 0; - } - -+static void at803x_disable_smarteee(struct phy_device *phydev) -+{ -+ phy_write_mmd(phydev, MDIO_MMD_PCS, AT803X_PCS_SMART_EEE_CTRL3, -+ 1 << AT803X_SMART_EEE_CTRL3_LPI_TX_DELAY_SEL_SHIFT); -+ phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0); -+} -+ - static int at803x_config_init(struct phy_device *phydev) - { -+ struct at803x_platform_data *pdata; - int ret; - - ret = genphy_config_init(phydev); -@@ -296,6 +312,26 @@ static int at803x_config_init(struct phy - return ret; - } - -+ pdata = dev_get_platdata(&phydev->mdio.dev); -+ if (pdata) { -+ if (pdata->disable_smarteee) -+ at803x_disable_smarteee(phydev); -+ -+ if (pdata->enable_rgmii_rx_delay) -+ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0, 0, -+ AT803X_DEBUG_RX_CLK_DLY_EN); -+ else -+ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0, -+ AT803X_DEBUG_RX_CLK_DLY_EN, 0); -+ -+ if (pdata->enable_rgmii_tx_delay) -+ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_5, 0, -+ AT803X_DEBUG_TX_CLK_DLY_EN); -+ else -+ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_5, -+ AT803X_DEBUG_TX_CLK_DLY_EN, 0); -+ } -+ - return 0; - } - -@@ -333,6 +369,8 @@ 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->mdio.dev); - - /* - * Conduct a hardware reset for AT8030/2 every time a link loss is -@@ -361,6 +399,24 @@ static void at803x_link_change_notify(st - } else { - priv->phy_reset = false; - } -+ if (pdata && pdata->fixup_rgmii_tx_delay && -+ phydev->speed != priv->prev_speed) { -+ switch (phydev->speed) { -+ case SPEED_10: -+ case SPEED_100: -+ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_5, 0, -+ AT803X_DEBUG_TX_CLK_DLY_EN); -+ break; -+ case SPEED_1000: -+ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_5, -+ AT803X_DEBUG_TX_CLK_DLY_EN, 0); -+ break; -+ default: -+ break; -+ } -+ -+ priv->prev_speed = phydev->speed; -+ } - } - - static int at803x_aneg_done(struct phy_device *phydev) ---- /dev/null -+++ b/include/linux/platform_data/phy-at803x.h -@@ -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 fixup_rgmii_tx_delay:1; -+}; -+ -+#endif /* _PHY_AT803X_PDATA_H */ |