[PATCH net-next 3/3] net: phy: realtek: add RTL8201F phy-id and functions
From: hayashi.kunihiko@socionext.com (Kunihiko Hayashi)
Date: 2017-09-08 13:02:38
Also in:
linux-devicetree, lkml, netdev
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Jassi Brar <redacted> Add RTL8201F phy-id and the related functions to the driver. The original patch is as follows: https://patchwork.kernel.org/patch/2538341/ Signed-off-by: Jongsung Kim <redacted> Signed-off-by: Jassi Brar <redacted> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> --- drivers/net/phy/realtek.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+)
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
index 9cbe645..d9974ce 100644
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c@@ -29,10 +29,23 @@ #define RTL8211F_PAGE_SELECT 0x1f #define RTL8211F_TX_DELAY 0x100 +#define RTL8201F_ISR 0x1e +#define RTL8201F_PAGE_SELECT 0x1f +#define RTL8201F_IER 0x13 + MODULE_DESCRIPTION("Realtek PHY driver"); MODULE_AUTHOR("Johnson Leung"); MODULE_LICENSE("GPL"); +static int rtl8201_ack_interrupt(struct phy_device *phydev) +{ + int err; + + err = phy_read(phydev, RTL8201F_ISR); + + return (err < 0) ? err : 0; +} + static int rtl821x_ack_interrupt(struct phy_device *phydev) { int err;
@@ -54,6 +67,25 @@ static int rtl8211f_ack_interrupt(struct phy_device *phydev) return (err < 0) ? err : 0; } +static int rtl8201_config_intr(struct phy_device *phydev) +{ + int err; + + /* switch to page 7 */ + phy_write(phydev, RTL8201F_PAGE_SELECT, 0x7); + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + err = phy_write(phydev, RTL8201F_IER, + BIT(13) | BIT(12) | BIT(11)); + else + err = phy_write(phydev, RTL8201F_IER, 0); + + /* restore to default page 0 */ + phy_write(phydev, RTL8201F_PAGE_SELECT, 0x0); + + return err; +} + static int rtl8211b_config_intr(struct phy_device *phydev) { int err;
@@ -129,6 +161,18 @@ static struct phy_driver realtek_drvs[] = { .config_aneg = &genphy_config_aneg, .read_status = &genphy_read_status, }, { + .phy_id = 0x001cc816, + .name = "RTL8201F 10/100Mbps Ethernet", + .phy_id_mask = 0x001fffff, + .features = PHY_BASIC_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = &genphy_config_aneg, + .read_status = &genphy_read_status, + .ack_interrupt = &rtl8201_ack_interrupt, + .config_intr = &rtl8201_config_intr, + .suspend = genphy_suspend, + .resume = genphy_resume, + }, { .phy_id = 0x001cc912, .name = "RTL8211B Gigabit Ethernet", .phy_id_mask = 0x001fffff,
@@ -181,6 +225,7 @@ static struct phy_driver realtek_drvs[] = { module_phy_driver(realtek_drvs); static struct mdio_device_id __maybe_unused realtek_tbl[] = { + { 0x001cc816, 0x001fffff }, { 0x001cc912, 0x001fffff }, { 0x001cc914, 0x001fffff }, { 0x001cc915, 0x001fffff },
--
2.7.4