On 06/02/2022 08:45, DENG Qingfang wrote:
Add support for MediaTek Gigabit Ethernet PHYs found in MT7530. Fix some link instability issues.Signed-off-by: DENG Qingfang <dqf...@gmail.com> --- v2: removed interface mode check, should work for MT7531. ...MediaTek-Gigabit-Ethernet-PHY-driver.patch | 159 ++++++++++++++++++ target/linux/generic/config-5.10 | 1 + target/linux/mediatek/mt7622/config-5.10 | 1 + target/linux/mediatek/mt7623/config-5.10 | 1 + target/linux/ramips/mt7621/config-5.10 | 1 + 5 files changed, 163 insertions(+) create mode 100644 target/linux/generic/backport-5.10/771-v5.14-net-phy-add-MediaTek-Gigabit-Ethernet-PHY-driver.patch diff --git a/target/linux/generic/backport-5.10/771-v5.14-net-phy-add-MediaTek-Gigabit-Ethernet-PHY-driver.patch b/target/linux/generic/backport-5.10/771-v5.14-net-phy-add-MediaTek-Gigabit-Ethernet-PHY-driver.patch new file mode 100644 index 0000000000..a5131119c2 --- /dev/null +++ b/target/linux/generic/backport-5.10/771-v5.14-net-phy-add-MediaTek-Gigabit-Ethernet-PHY-driver.patch @@ -0,0 +1,159 @@ +From e40d2cca01893c1941f5959b14bb0cd0d4f4d099 Mon Sep 17 00:00:00 2001 +From: DENG Qingfang <dqf...@gmail.com> +Date: Wed, 19 May 2021 11:31:59 +0800 +Subject: [PATCH] net: phy: add MediaTek Gigabit Ethernet PHY driver + +Add support for MediaTek Gigabit Ethernet PHYs found in MT7530 and +MT7531 switches. +The initialization procedure is from the vendor driver, but due to lack +of documentation, the function of some register values remains unknown. + +Signed-off-by: DENG Qingfang <dqf...@gmail.com> +Signed-off-by: David S. Miller <da...@davemloft.net> +--- + drivers/net/phy/Kconfig | 5 ++ + drivers/net/phy/Makefile | 1 + + drivers/net/phy/mediatek-ge.c | 113 ++++++++++++++++++++++++++++++++++ + 3 files changed, 119 insertions(+) + create mode 100644 drivers/net/phy/mediatek-ge.c + +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -201,6 +201,11 @@ config MARVELL_10G_PHY + help + Support for the Marvell Alaska MV88X3310 and compatible PHYs. + ++config MEDIATEK_GE_PHY ++ tristate "MediaTek PHYs" ++ help ++ Supports the MediaTek switch integrated PHYs. ++ + config MICREL_PHY + tristate "Micrel PHYs" + help +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -63,6 +63,7 @@ obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c + obj-$(CONFIG_LXT_PHY) += lxt.o + obj-$(CONFIG_MARVELL_10G_PHY) += marvell10g.o + obj-$(CONFIG_MARVELL_PHY) += marvell.o ++obj-$(CONFIG_MEDIATEK_GE_PHY) += mediatek-ge.o + obj-$(CONFIG_MESON_GXL_PHY) += meson-gxl.o + obj-$(CONFIG_MICREL_KS8995MA) += spi_ks8995.o + obj-$(CONFIG_MICREL_PHY) += micrel.o +--- /dev/null ++++ b/drivers/net/phy/mediatek-ge.c +@@ -0,0 +1,113 @@ ++// SPDX-License-Identifier: GPL-2.0+ ++#include <linux/bitfield.h> ++#include <linux/module.h> ++#include <linux/phy.h> ++ ++#define MTK_T10_TEST_CONTROL 0x145 ++#define MTK_PHY_TP_MASK GENMASK(4, 3) ++#define MTK_PHY_TP_AUTO 0 ++#define MTK_PHY_TP_MDI 2 ++#define MTK_PHY_TP_MDIX 3 ++ ++#define MTK_EXT_PAGE_ACCESS 0x1f ++#define MTK_PHY_PAGE_STANDARD 0x0000 ++#define MTK_PHY_PAGE_EXTENDED 0x0001 ++#define MTK_PHY_PAGE_EXTENDED_2 0x0002 ++#define MTK_PHY_PAGE_EXTENDED_3 0x0003 ++#define MTK_PHY_PAGE_EXTENDED_2A30 0x2a30 ++#define MTK_PHY_PAGE_EXTENDED_52B5 0x52b5 ++ ++static int mtk_gephy_read_page(struct phy_device *phydev) ++{ ++ return __phy_read(phydev, MTK_EXT_PAGE_ACCESS); ++} ++ ++static int mtk_gephy_write_page(struct phy_device *phydev, int page) ++{ ++ return __phy_write(phydev, MTK_EXT_PAGE_ACCESS, page); ++} ++ ++static void mtk_gephy_config_init(struct phy_device *phydev) ++{ ++ /* Disable EEE */ ++ phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0); ++ ++ /* Enable HW auto downshift */ ++ phy_modify_paged(phydev, MTK_PHY_PAGE_EXTENDED, 0x14, 0, BIT(4)); ++ ++ /* Increase SlvDPSready time */ ++ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); ++ __phy_write(phydev, 0x10, 0xafae); ++ __phy_write(phydev, 0x12, 0x2f); ++ __phy_write(phydev, 0x10, 0x8fae); ++ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); ++ ++ /* Adjust 100_mse_threshold */ ++ phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x123, 0xffff); ++ ++ /* Disable mcc */ ++ phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xa6, 0x300); ++} ++ ++static int mt7530_phy_config_init(struct phy_device *phydev) ++{ ++ mtk_gephy_config_init(phydev); ++ ++ /* Increase post_update_timer */ ++ phy_write_paged(phydev, MTK_PHY_PAGE_EXTENDED_3, 0x11, 0x4b); ++ ++ return 0; ++} ++ ++static int mt7531_phy_config_init(struct phy_device *phydev)
Can you also send a patch to remove the phydev->interface != PHY_INTERFACE_MODE_INTERNAL check from upstream?
Tested-by: Arınç ÜNAL <arinc.u...@arinc9.com> Arınç _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
