Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754150Ab3EHKKb (ORCPT ); Wed, 8 May 2013 06:10:31 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:50176 "EHLO LGEMRELSE6Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751950Ab3EHKK3 (ORCPT ); Wed, 8 May 2013 06:10:29 -0400 X-AuditID: 9c930179-b7bb6ae000001131-bb-518a2493b926 From: Jongsung Kim Organization: LG Electronics To: davem@davemloft.net, peppe.cavallaro@st.com, chohnstaedt@innominate.com Subject: net: phy: realtek: add rtl8201f driver Date: Wed, 8 May 2013 19:10:27 +0900 User-Agent: KMail/1.12.4 (Linux/2.6.32-358.2.1.el6.x86_64; KDE/4.3.4; x86_64; ; ) Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201305081910.27203.neidhard.kim@lge.com> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3658 Lines: 125 This patch adds the minimal driver to manage the Realtek RTL8201F 10/100Mbps Transceivers. Signed-off-by: Jongsung Kim --- drivers/net/phy/realtek.c | 60 +++++++++++++++++++++++++++++++++++++++----- 1 files changed, 53 insertions(+), 7 deletions(-) diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 8e7af83..27847ca 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -16,9 +16,13 @@ #include #include -#define RTL821x_PHYSR 0x11 -#define RTL821x_PHYSR_DUPLEX 0x2000 -#define RTL821x_PHYSR_SPEED 0xc000 +/* page 0 register 30 - interrupt indicators and SNR display register */ +#define RTL8201F_ISR 0x1e +/* page 0 register 31 - page select register */ +#define RTL8201F_PSR 0x1f +/* page 7 register 19 - interrupt, WOL enable, and LEDs function register */ +#define RTL8201F_IER 0x13 + #define RTL821x_INER 0x12 #define RTL821x_INER_INIT 0x6400 #define RTL821x_INSR 0x13 @@ -29,6 +33,15 @@ MODULE_DESCRIPTION("Realtek PHY driver"); MODULE_AUTHOR("Johnson Leung"); MODULE_LICENSE("GPL"); +static int rtl8201f_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; @@ -38,6 +51,24 @@ static int rtl821x_ack_interrupt(struct phy_device *phydev) return (err < 0) ? err : 0; } +static int rtl8201f_config_intr(struct phy_device *phydev) +{ + int err; + + phy_write(phydev, RTL8201F_PSR, 0x0007); /* select page 7 */ + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + err = phy_write(phydev, RTL8201F_IER, 0x3800 | + phy_read(phydev, RTL8201F_IER)); + else + err = phy_write(phydev, RTL8201F_IER, ~0x3800 & + phy_read(phydev, RTL8201F_IER)); + + phy_write(phydev, RTL8201F_PSR, 0x0000); /* back to page 0 */ + + return err; +} + static int rtl8211b_config_intr(struct phy_device *phydev) { int err; @@ -64,6 +95,20 @@ static int rtl8211e_config_intr(struct phy_device *phydev) return err; } +/* RTL8201F */ +static struct phy_driver rtl8201f_driver = { + .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 = &rtl8201f_ack_interrupt, + .config_intr = &rtl8201f_config_intr, + .driver = { .owner = THIS_MODULE,}, +}; + /* RTL8211B */ static struct phy_driver rtl8211b_driver = { .phy_id = 0x001cc912, @@ -96,16 +141,16 @@ static struct phy_driver rtl8211e_driver = { static int __init realtek_init(void) { - int ret; - - ret = phy_driver_register(&rtl8211b_driver); - if (ret < 0) + if(phy_driver_register(&rtl8201f_driver) < 0) + return -ENODEV; + if(phy_driver_register(&rtl8211b_driver) < 0) return -ENODEV; return phy_driver_register(&rtl8211e_driver); } static void __exit realtek_exit(void) { + phy_driver_unregister(&rtl8201f_driver); phy_driver_unregister(&rtl8211b_driver); phy_driver_unregister(&rtl8211e_driver); } @@ -114,6 +159,7 @@ module_init(realtek_init); module_exit(realtek_exit); static struct mdio_device_id __maybe_unused realtek_tbl[] = { + { 0x001cc816, 0x001fffff }, { 0x001cc912, 0x001fffff }, { 0x001cc915, 0x001fffff }, { } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/