diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0330-net-phy-at803x-add-vddio-1v8-and-eee-disable-support.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0330-net-phy-at803x-add-vddio-1v8-and-eee-disable-support.patch | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0330-net-phy-at803x-add-vddio-1v8-and-eee-disable-support.patch b/target/linux/layerscape/patches-5.4/701-net-0330-net-phy-at803x-add-vddio-1v8-and-eee-disable-support.patch new file mode 100644 index 0000000000..32339191e4 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0330-net-phy-at803x-add-vddio-1v8-and-eee-disable-support.patch @@ -0,0 +1,140 @@ +From e54e051c0adbe86116ab81c09a208f3a62c84f92 Mon Sep 17 00:00:00 2001 +From: Fugang Duan <fugang.duan@nxp.com> +Date: Wed, 5 Jun 2019 18:38:51 +0800 +Subject: [PATCH] net: phy: at803x: add vddio-1v8 and eee disable support + +Add new property "at803x,vddio-1p8v" and "at803x,eee-disabled" +support. + +Signed-off-by: Fugang Duan <fugang.duan@nxp.com> +[ Aisheng: fix small merge conflict ] +Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> +[rebase] +Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +--- + drivers/net/phy/at803x.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 64 insertions(+) + +--- a/drivers/net/phy/at803x.c ++++ b/drivers/net/phy/at803x.c +@@ -44,8 +44,13 @@ + #define AT803X_LOC_MAC_ADDR_0_15_OFFSET 0x804C + #define AT803X_LOC_MAC_ADDR_16_31_OFFSET 0x804B + #define AT803X_LOC_MAC_ADDR_32_47_OFFSET 0x804A ++#define AT803X_SMARTEEE_CTL3_OFFSET 0x805D ++#define AT803X_MMD_ACCESS_CONTROL 0x0D ++#define AT803X_MMD_ACCESS_CONTROL_DATA 0x0E ++#define AT803X_FUNC_DATA 0x4003 + #define AT803X_REG_CHIP_CONFIG 0x1f + #define AT803X_BT_BX_REG_SEL 0x8000 ++#define AT803X_SMARTEEE_DISABLED_VAL 0x1000 + #define AT803X_SGMII_ANEG_EN 0x1000 + + #define AT803X_DEBUG_ADDR 0x1D +@@ -65,6 +70,9 @@ + + #define AT803X_LPI_EN BIT(8) + ++#define AT803X_DEBUG_REG_31 0x1f ++#define AT803X_VDDIO_1P8V_EN 0x8 ++ + #define ATH8030_PHY_ID 0x004dd076 + #define ATH8031_PHY_ID 0x004dd074 + #define ATH8032_PHY_ID 0x004dd023 +@@ -72,12 +80,16 @@ + #define AT803X_PHY_ID_MASK 0xffffffef + #define AT8032_PHY_ID_MASK 0xffffffff + ++#define AT803X_EEE_FEATURE_DISABLE (1 << 1) ++#define AT803X_VDDIO_1P8V (1 << 2) ++ + MODULE_DESCRIPTION("Atheros 803x PHY driver"); + MODULE_AUTHOR("Matus Ujhelyi"); + MODULE_LICENSE("GPL"); + + struct at803x_priv { + bool phy_reset:1; ++ u32 quirks; + }; + + struct at803x_context { +@@ -141,6 +153,39 @@ static int at803x_disable_tx_delay(struc + AT803X_DEBUG_TX_CLK_DLY_EN, 0); + } + ++static inline int at803x_set_vddio_1p8v(struct phy_device *phydev) ++{ ++ return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_31, 0, ++ AT803X_VDDIO_1P8V_EN); ++} ++ ++static int at803x_disable_eee(struct phy_device *phydev) ++{ ++ int ret; ++ ++ ret = phy_write(phydev, AT803X_MMD_ACCESS_CONTROL, ++ AT803X_DEVICE_ADDR); ++ if (ret < 0) ++ return ret; ++ ++ ret = phy_write(phydev, AT803X_MMD_ACCESS_CONTROL_DATA, ++ AT803X_SMARTEEE_CTL3_OFFSET); ++ if (ret < 0) ++ return ret; ++ ++ ret = phy_write(phydev, AT803X_MMD_ACCESS_CONTROL, ++ AT803X_FUNC_DATA); ++ if (ret < 0) ++ return ret; ++ ++ ret = phy_write(phydev, AT803X_MMD_ACCESS_CONTROL_DATA, ++ AT803X_SMARTEEE_DISABLED_VAL); ++ if (ret < 0) ++ return ret; ++ ++ return 0; ++} ++ + /* save relevant PHY registers to private copy */ + static void at803x_context_save(struct phy_device *phydev, + struct at803x_context *context) +@@ -254,6 +299,12 @@ static int at803x_probe(struct phy_devic + if (!priv) + return -ENOMEM; + ++ if (of_property_read_bool(dev->of_node, "at803x,eee-disabled")) ++ priv->quirks |= AT803X_EEE_FEATURE_DISABLE; ++ ++ if (of_property_read_bool(dev->of_node, "at803x,vddio-1p8v")) ++ priv->quirks |= AT803X_VDDIO_1P8V; ++ + phydev->priv = priv; + + return 0; +@@ -275,6 +326,7 @@ static void at803x_enable_smart_eee(stru + static int at803x_config_init(struct phy_device *phydev) + { + int ret; ++ struct at803x_priv *priv = phydev->priv; + u32 v; + + if (phydev->drv->phy_id == ATH8031_PHY_ID && +@@ -323,6 +375,18 @@ static int at803x_config_init(struct phy + else + ret = at803x_disable_tx_delay(phydev); + ++ if (priv->quirks & AT803X_VDDIO_1P8V) { ++ ret = at803x_set_vddio_1p8v(phydev); ++ if (ret < 0) ++ return ret; ++ } ++ ++ if (priv->quirks & AT803X_EEE_FEATURE_DISABLE) { ++ ret = at803x_disable_eee(phydev); ++ if (ret < 0) ++ return ret; ++ } ++ + return ret; + } + |