net: phy: realtek: add support for RTL8211C (cf87915c) · Commits · 戴 / test

RTL8211C has an issue when operating in Gigabit slave mode, therefore genphy driver can't be used. See also this U-boot change. https://lists.denx.de/pipermail/u-boot/2016-March/249712.html Add a PHY driver for this chip with the quirk to force Gigabit master mode. As a note: This will make it impossible to connect two network ports directly which both are driven by a RTl8211C. Signed-off-by:

Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

drivers/net/phy/realtek.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -150,6 +150,15 @@ static int rtl8211_config_aneg(struct phy_device *phydev)
		return 0;
		}

		static int rtl8211c_config_init(struct phy_device *phydev)
		{
		/* RTL8211C has an issue when operating in Gigabit slave mode */
		phy_set_bits(phydev, MII_CTRL1000,
		CTL1000_ENABLE_MASTER \| CTL1000_AS_MASTER);

		return genphy_config_init(phydev);
		}

		static int rtl8211f_config_init(struct phy_device *phydev)
		{
		int ret;
		@@ -220,6 +229,14 @@ static struct phy_driver realtek_drvs[] = {
		.write_mmd = &genphy_write_mmd_unsupported,
		.suspend = rtl8211b_suspend,
		.resume = rtl8211b_resume,
		}, {
		.phy_id = 0x001cc913,
		.name = "RTL8211C Gigabit Ethernet",
		.phy_id_mask = 0x001fffff,
		.features = PHY_GBIT_FEATURES,
		.config_init = rtl8211c_config_init,
		.read_mmd = &genphy_read_mmd_unsupported,
		.write_mmd = &genphy_write_mmd_unsupported,
		}, {
		.phy_id = 0x001cc914,
		.name = "RTL8211DN Gigabit Ethernet",

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