Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754247AbdFWEjc (ORCPT ); Fri, 23 Jun 2017 00:39:32 -0400 Received: from lucky1.263xmail.com ([211.157.147.131]:56992 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751162AbdFWEj0 (ORCPT ); Fri, 23 Jun 2017 00:39:26 -0400 X-263anti-spam: X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-ABS-CHECKED: 4 X-RL-SENDER: david.wu@rock-chips.com X-FST-TO: davem@davemloft.net X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: david.wu@rock-chips.com X-UNIQUE-TAG: <26d02b47d12464a9a6a0ec09efd7a70f> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: David Wu To: davem@davemloft.net, heiko@sntech.de, robh+dt@kernel.org, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, olof@lixom.net, linux@armlinux.org.uk, arnd@arndb.de Cc: andrew@lunn.ch, f.fainelli@gmail.com, peppe.cavallaro@st.com, alexandre.torgue@st.com, huangtao@rock-chips.com, hwg@rock-chips.com, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, David Wu Subject: [PATCH 01/11] net: phy: Add rockchip phy driver support Date: Fri, 23 Jun 2017 12:41:59 +0800 Message-Id: <1498192929-7519-2-git-send-email-david.wu@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1498192929-7519-1-git-send-email-david.wu@rock-chips.com> References: <1498192929-7519-1-git-send-email-david.wu@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3712 Lines: 137 Support internal ephy currently. Signed-off-by: David Wu --- drivers/net/phy/Kconfig | 4 ++ drivers/net/phy/Makefile | 1 + drivers/net/phy/rockchip.c | 94 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 99 insertions(+) create mode 100644 drivers/net/phy/rockchip.c diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index c360dd6..86010d4 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -350,6 +350,10 @@ config XILINX_GMII2RGMII the Reduced Gigabit Media Independent Interface(RGMII) between Ethernet physical media devices and the Gigabit Ethernet controller. +config ROCKCHIP_MAC_PHY + tristate "Drivers for ROCKCHIP MAC PHY" + ---help--- + Currently supports the mac internal ephy. endif # PHYLIB config MICREL_KS8995MA diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index e36db9a..6d96779 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -69,3 +69,4 @@ obj-$(CONFIG_STE10XP) += ste10Xp.o obj-$(CONFIG_TERANETICS_PHY) += teranetics.o obj-$(CONFIG_VITESSE_PHY) += vitesse.o obj-$(CONFIG_XILINX_GMII2RGMII) += xilinx_gmii2rgmii.o +obj-$(CONFIG_ROCKCHIP_MAC_PHY) += rockchip.o diff --git a/drivers/net/phy/rockchip.c b/drivers/net/phy/rockchip.c new file mode 100644 index 0000000..69e96ec --- /dev/null +++ b/drivers/net/phy/rockchip.c @@ -0,0 +1,94 @@ +/** + * Rockchip mac phy driver + * + * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd + * + * David Wu + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + + +#include +#include +#include +#include +#include +#include + +static int internal_config_init(struct phy_device *phydev) +{ + int val; + u32 features; + + /*enable auto mdix*/ + phy_write(phydev, 0x11, 0x0080); + + features = (SUPPORTED_TP | SUPPORTED_MII + | SUPPORTED_AUI | SUPPORTED_FIBRE | + SUPPORTED_BNC); + + /* Do we support autonegotiation? */ + val = phy_read(phydev, MII_BMSR); + if (val < 0) + return val; + + if (val & BMSR_ANEGCAPABLE) + features |= SUPPORTED_Autoneg; + + if (val & BMSR_100FULL) + features |= SUPPORTED_100baseT_Full; + if (val & BMSR_100HALF) + features |= SUPPORTED_100baseT_Half; + if (val & BMSR_10FULL) + features |= SUPPORTED_10baseT_Full; + if (val & BMSR_10HALF) + features |= SUPPORTED_10baseT_Half; + + if (val & BMSR_ESTATEN) { + val = phy_read(phydev, MII_ESTATUS); + if (val < 0) + return val; + + if (val & ESTATUS_1000_TFULL) + features |= SUPPORTED_1000baseT_Full; + if (val & ESTATUS_1000_THALF) + features |= SUPPORTED_1000baseT_Half; + } + + phydev->supported = features; + phydev->advertising = features; + + return 0; +} + +static struct phy_driver rockchip_phy_driver[] = { +{ + .phy_id = 0x1234d400, + .phy_id_mask = 0xffffffff, + .name = "rockchip internal ephy", + .features = 0, + .config_init = internal_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .suspend = genphy_suspend, + .resume = genphy_resume, +}, +}; + +module_phy_driver(rockchip_phy_driver); + +static struct mdio_device_id __maybe_unused rockchip_phy_tbl[] = { + { 0x1234d400, 0xffffffff }, + { } +}; + +MODULE_DEVICE_TABLE(mdio, rockchip_phy_tbl); + +MODULE_AUTHOR("David Wu"); +MODULE_DESCRIPTION("Rockchip mac phy driver"); +MODULE_LICENSE("GPL v2"); -- 1.9.1