From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752212Ab3EJHaM (ORCPT ); Fri, 10 May 2013 03:30:12 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:64614 "EHLO LGEMRELSE6Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751750Ab3EJHaK (ORCPT ); Fri, 10 May 2013 03:30:10 -0400 X-AuditID: 9c930179-b7bb6ae000001131-2d-518ca2010128 From: Jongsung Kim To: r58129@freescale.com, davem@davemloft.net, sergei.shtylyov@cogentembedded.com, peppe.cavallaro@st.com, chohnstaedt@innominate.com, timur@freescale.com, heiko.carstens@de.ibm.com, schwidefsky@de.ibm.com, neidhard.kim@lge.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] net: phy: realtek: add support for the RTL8201F Date: Fri, 10 May 2013 16:29:25 +0900 Message-Id: <1368170967-20589-2-git-send-email-neidhard.kim@lge.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <201305081910.27203.neidhard.kim@lge.com> References: <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 Add the minimal driver to support the Realtek RTL8201F 10/100Mbps Ethernet Transceivers. The help message for the config REALTEK_PHY is also modified to describe the current status of the module correctly. Signed-off-by: Jongsung Kim --- drivers/net/phy/Kconfig | 2 +- drivers/net/phy/realtek.c | 52 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+), 1 deletions(-) diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 1e11f2b..000425e 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -84,7 +84,7 @@ config ICPLUS_PHY config REALTEK_PHY tristate "Drivers for Realtek PHYs" ---help--- - Supports the Realtek 821x PHY. + Currently supports the RTL8201F, RTL8211B and RTL8211E PHYs. config NATIONAL_PHY tristate "Drivers for National Semiconductor PHYs" diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index f902107..8e95e38 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -16,6 +16,11 @@ #include #include +#define RTL8201F_INSR 0x1e +#define RTL8201F_PGSR 0x1f +#define RTL8201F_INER 0x13 +#define RTL8201F_INER_MASK 0x3800 + #define RTL821x_PHYSR 0x11 #define RTL821x_PHYSR_DUPLEX 0x2000 #define RTL821x_PHYSR_SPEED 0xc000 @@ -29,6 +34,15 @@ 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_INSR); + + return (err < 0) ? err : 0; +} + static int rtl821x_ack_interrupt(struct phy_device *phydev) { int err; @@ -38,6 +52,29 @@ static int rtl821x_ack_interrupt(struct phy_device *phydev) return (err < 0) ? err : 0; } +static void rtl8201f_select_page(struct phy_device *phydev, int page) +{ + phy_write(phydev, RTL8201F_PGSR, page); +} + +static int rtl8201f_config_intr(struct phy_device *phydev) +{ + int err; + + rtl8201f_select_page(phydev, 7); + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + err = phy_write(phydev, RTL8201F_INER, RTL8201F_INER_MASK | + phy_read(phydev, RTL8201F_INER)); + else + err = phy_write(phydev, RTL8201F_INER, ~RTL8201F_INER_MASK & + phy_read(phydev, RTL8201F_INER)); + + rtl8201f_select_page(phydev, 0); + + return err; +} + static int rtl8211b_config_intr(struct phy_device *phydev) { int err; @@ -65,6 +102,20 @@ static int rtl8211e_config_intr(struct phy_device *phydev) } static struct phy_driver realtek_drv[] = { + { /* RTL8201F */ + .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, + .suspend = genphy_suspend, + .resume = genphy_resume, + .driver = { .owner = THIS_MODULE,}, + }, { /* RTL8211B */ .phy_id = 0x001cc912, .name = "RTL8211B Gigabit Ethernet", @@ -107,6 +158,7 @@ module_init(realtek_init); module_exit(realtek_exit); static struct mdio_device_id __maybe_unused realtek_tbl[] = { + { 0x001cc816, 0x001fffff }, { 0x001cc912, 0x001fffff }, { 0x001cc915, 0x001fffff }, { } -- 1.7.1