From patchwork Tue Feb 5 12:44:16 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vivek Gautam X-Patchwork-Id: 2097631 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 0B97DDF23E for ; Tue, 5 Feb 2013 12:41:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754546Ab3BEMlO (ORCPT ); Tue, 5 Feb 2013 07:41:14 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:38299 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751715Ab3BEMlN (ORCPT ); Tue, 5 Feb 2013 07:41:13 -0500 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MHQ00C4TZ8LDIP0@mailout1.samsung.com>; Tue, 05 Feb 2013 21:41:12 +0900 (KST) Received: from epcpsbgm2.samsung.com ( [172.20.52.126]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 74.0E.03880.7EDF0115; Tue, 05 Feb 2013 21:41:11 +0900 (KST) X-AuditID: cbfee61b-b7fb06d000000f28-cd-5110fde70479 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 42.0E.03880.7EDF0115; Tue, 05 Feb 2013 21:41:11 +0900 (KST) Received: from vivekkumarg-linuxpc.sisodomain.com ([107.108.73.134]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MHQ00KFQZ1JID60@mmp1.samsung.com>; Tue, 05 Feb 2013 21:41:11 +0900 (KST) From: Vivek Gautam To: linux-usb@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, gregkh@linuxfoundation.org, balbi@ti.com, kgene.kim@samsung.com, grant.likely@secretlab.ca, rob.herring@calxeda.com, sylvester.nawrocki@gmail.com, tomasz.figa@gmail.com, av.tikhomirov@samsung.com, dianders@chromium.org, p.paneri@samsung.com Subject: [PATCH v5 2/2] usb: phy: samsung: Add PHY support for USB 3.0 controller Date: Tue, 05 Feb 2013 18:14:16 +0530 Message-id: <1360068256-19602-3-git-send-email-gautam.vivek@samsung.com> X-Mailer: git-send-email 1.7.6.5 In-reply-to: <1360068256-19602-1-git-send-email-gautam.vivek@samsung.com> References: <1360068256-19602-1-git-send-email-gautam.vivek@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrDLMWRmVeSWpSXmKPExsWyRsSkTvf5X4FAgysHrC0u75rDZjHj/D4m i0XLWpkdmD0+b5ILYIzisklJzcksSy3St0vgyph2dx9rwYK8ilOr/jM1MK6M7mLk5JAQMJG4 MfsZK4QtJnHh3nq2LkYuDiGBpYwSe89sY4UpurfwFSNEYhGjxIN3HSwQzmQmidUnbrGDVLEJ 6Eo0vd3FCGKLCMhKHL7ymxmkiFngEZPEl33PWUASwgLBEneWfGECsVkEVCV+9P8Ea+AV8JC4 //4xI8Q6BYk3t58BNXNwcAp4Spxp8wcJCwGVTHq5Beqi52wSP69mQowRkPg2+RALSLkE0N5N B5ghSiQlDq64wTKBUXgBI8MqRtHUguSC4qT0XCO94sTc4tK8dL3k/NxNjMCwPP3vmfQOxlUN FocYBTgYlXh4f1zmDxRiTSwrrsw9xCjBwawkwlv9RSBQiDclsbIqtSg/vqg0J7X4EGMy0PKJ zFKiyfnAmMkriTc0NjE3NTa1NDIyMzUlTVhJnJfx1JMAIYH0xJLU7NTUgtQimC1MHJxSDYx6 SvvfKFu+is5J+vZs9oe582a++GawYFOhxve2v1tYl+qGrPScuuRhSucXeasze73vfGJKtSnn MzmUnryuQvu/1ZmpLL3vg0Rt0g88mtVVt+LdEXOOnDdLFcsO60/ZtaFls0ATN/uuymn/dP61 7Ji0Z0u5gHjLZ/EE5XPxZhPuck3wrN5pVT5ZiaU4I9FQi7moOBEAn4Lj+Y8CAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrDIsWRmVeSWpSXmKPExsVy+t9jAd3nfwUCDXpnqVtc3jWHzWLG+X1M FouWtTI7MHt83iQXwBjVwGiTkZqYklqkkJqXnJ+SmZduq+QdHO8cb2pmYKhraGlhrqSQl5ib aqvk4hOg65aZAzRfSaEsMacUKBSQWFyspG+HaUJoiJuuBUxjhK5vSBBcj5EBGkhYw5gx7e4+ 1oIFeRWnVv1namBcGd3FyMkhIWAicW/hK0YIW0ziwr31bF2MXBxCAosYJR6862CBcCYzSaw+ cYsdpIpNQFei6e0usA4RAVmJw1d+M4MUMQs8YpL4su85C0hCWCBY4s6SL0wgNouAqsSP/p9g DbwCHhL33z+GWqcg8eb2M6BmDg5OAU+JM23+IGEhoJJJL7ewTmDkXcDIsIpRNLUguaA4KT3X SK84Mbe4NC9dLzk/dxMjOOyfSe9gXNVgcYhRgINRiYf3x2X+QCHWxLLiytxDjBIczEoivNVf BAKFeFMSK6tSi/Lji0pzUosPMSYDHTWRWUo0OR8Yk3kl8YbGJuamxqaWJhYmZpakCSuJ8zKe ehIgJJCeWJKanZpakFoEs4WJg1OqgVGzY9epNOUZKnXnPi3ytIgUKvug/ixGpK4l0q93j+AU fnd3WaarP+fYBf4UOpculLQo7v71V44603aeVFubl1bh8UZm97VvzyX+201YtMhkytoz64QK rc9FfX5xcMX8Wefm3pvnLhK0gk2mTCBBK2/BjAqOCx9u+G+tWeP4ibWzknvSU1a2gHolluKM REMt5qLiRABXCvTmvwIAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Adding PHY driver support for USB 3.0 controller for Samsung's SoCs. Signed-off-by: Vivek Gautam --- drivers/usb/phy/Kconfig | 8 + drivers/usb/phy/Makefile | 1 + drivers/usb/phy/samsung-usb3phy.c | 349 +++++++++++++++++++++++++++++++++++++ drivers/usb/phy/samsung-usbphy.h | 81 +++++++++ 4 files changed, 439 insertions(+), 0 deletions(-) create mode 100644 drivers/usb/phy/samsung-usb3phy.c diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index b28878d..723d7b1 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -74,6 +74,14 @@ config SAMSUNG_USB2PHY Enable this to support Samsung USB 2.0 (High Speed) PHY controller driver for Samsung SoCs. +config SAMSUNG_USB3PHY + bool "Samsung USB 3.0 PHY controller Driver" + select SAMSUNG_USBPHY + select USB_OTG_UTILS + help + Enable this to support Samsung USB 3.0 (Super Speed) phy controller + for samsung SoCs. + config SAMSUNG_USBPHY bool "Samsung USB PHY Driver" help diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile index 1efa174..77f0b2e 100644 --- a/drivers/usb/phy/Makefile +++ b/drivers/usb/phy/Makefile @@ -13,3 +13,4 @@ obj-$(CONFIG_USB_EHCI_TEGRA) += tegra_usb_phy.o obj-$(CONFIG_USB_RCAR_PHY) += rcar-phy.o obj-$(CONFIG_SAMSUNG_USBPHY) += samsung-usbphy.o obj-$(CONFIG_SAMSUNG_USB2PHY) += samsung-usb2phy.o +obj-$(CONFIG_SAMSUNG_USB3PHY) += samsung-usb3phy.o diff --git a/drivers/usb/phy/samsung-usb3phy.c b/drivers/usb/phy/samsung-usb3phy.c new file mode 100644 index 0000000..70e2c7b --- /dev/null +++ b/drivers/usb/phy/samsung-usb3phy.c @@ -0,0 +1,349 @@ +/* linux/drivers/usb/phy/samsung-usb3phy.c + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Author: Vivek Gautam + * + * Samsung USB 3.0 PHY transceiver; talks to DWC3 controller. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "samsung-usbphy.h" + +/* + * Sets the phy clk as EXTREFCLK (XXTI) which is internal clock from clock core. + */ +static u32 samsung_usb3phy_set_refclk(struct samsung_usbphy *sphy) +{ + u32 reg; + u32 refclk; + + refclk = sphy->ref_clk_freq; + + reg = PHYCLKRST_REFCLKSEL_EXT_REFCLK | + PHYCLKRST_FSEL(refclk); + + switch (refclk) { + case FSEL_CLKSEL_50M: + reg |= (PHYCLKRST_MPLL_MULTIPLIER_50M_REF | + PHYCLKRST_SSC_REFCLKSEL(0x00)); + break; + case FSEL_CLKSEL_20M: + reg |= (PHYCLKRST_MPLL_MULTIPLIER_20MHZ_REF | + PHYCLKRST_SSC_REFCLKSEL(0x00)); + break; + case FSEL_CLKSEL_19200K: + reg |= (PHYCLKRST_MPLL_MULTIPLIER_19200KHZ_REF | + PHYCLKRST_SSC_REFCLKSEL(0x88)); + break; + case FSEL_CLKSEL_24M: + default: + reg |= (PHYCLKRST_MPLL_MULTIPLIER_24MHZ_REF | + PHYCLKRST_SSC_REFCLKSEL(0x88)); + break; + } + + return reg; +} + +static int samsung_exynos5_usb3phy_enable(struct samsung_usbphy *sphy) +{ + void __iomem *regs = sphy->regs; + u32 phyparam0; + u32 phyparam1; + u32 linksystem; + u32 phybatchg; + u32 phytest; + u32 phyclkrst; + + /* Reset USB 3.0 PHY */ + writel(0x0, regs + EXYNOS5_DRD_PHYREG0); + + phyparam0 = readl(regs + EXYNOS5_DRD_PHYPARAM0); + /* Select PHY CLK source */ + phyparam0 &= ~PHYPARAM0_REF_USE_PAD; + /* Set Loss-of-Signal Detector sensitivity */ + phyparam0 &= ~PHYPARAM0_REF_LOSLEVEL_MASK; + phyparam0 |= PHYPARAM0_REF_LOSLEVEL; + writel(phyparam0, regs + EXYNOS5_DRD_PHYPARAM0); + + writel(0x0, regs + EXYNOS5_DRD_PHYRESUME); + + /* + * Setting the Frame length Adj value[6:1] to default 0x20 + * See xHCI 1.0 spec, 5.2.4 + */ + linksystem = LINKSYSTEM_XHCI_VERSION_CONTROL | + LINKSYSTEM_FLADJ(0x20); + writel(linksystem, regs + EXYNOS5_DRD_LINKSYSTEM); + + phyparam1 = readl(regs + EXYNOS5_DRD_PHYPARAM1); + /* Set Tx De-Emphasis level */ + phyparam1 &= ~PHYPARAM1_PCS_TXDEEMPH_MASK; + phyparam1 |= PHYPARAM1_PCS_TXDEEMPH; + writel(phyparam1, regs + EXYNOS5_DRD_PHYPARAM1); + + phybatchg = readl(regs + EXYNOS5_DRD_PHYBATCHG); + phybatchg |= PHYBATCHG_UTMI_CLKSEL; + writel(phybatchg, regs + EXYNOS5_DRD_PHYBATCHG); + + /* PHYTEST POWERDOWN Control */ + phytest = readl(regs + EXYNOS5_DRD_PHYTEST); + phytest &= ~(PHYTEST_POWERDOWN_SSP | + PHYTEST_POWERDOWN_HSP); + writel(phytest, regs + EXYNOS5_DRD_PHYTEST); + + /* UTMI Power Control */ + writel(PHYUTMI_OTGDISABLE, regs + EXYNOS5_DRD_PHYUTMI); + + phyclkrst = samsung_usb3phy_set_refclk(sphy); + + phyclkrst |= PHYCLKRST_PORTRESET | + /* Digital power supply in normal operating mode */ + PHYCLKRST_RETENABLEN | + /* Enable ref clock for SS function */ + PHYCLKRST_REF_SSP_EN | + /* Enable spread spectrum */ + PHYCLKRST_SSC_EN | + /* Power down HS Bias and PLL blocks in suspend mode */ + PHYCLKRST_COMMONONN; + + writel(phyclkrst, regs + EXYNOS5_DRD_PHYCLKRST); + + udelay(10); + + phyclkrst &= ~(PHYCLKRST_PORTRESET); + writel(phyclkrst, regs + EXYNOS5_DRD_PHYCLKRST); + + return 0; +} + +static void samsung_exynos5_usb3phy_disable(struct samsung_usbphy *sphy) +{ + u32 phyutmi; + u32 phyclkrst; + u32 phytest; + void __iomem *regs = sphy->regs; + + phyutmi = PHYUTMI_OTGDISABLE | + PHYUTMI_FORCESUSPEND | + PHYUTMI_FORCESLEEP; + writel(phyutmi, regs + EXYNOS5_DRD_PHYUTMI); + + /* Resetting the PHYCLKRST enable bits to reduce leakage current */ + phyclkrst = readl(regs + EXYNOS5_DRD_PHYCLKRST); + phyclkrst &= ~(PHYCLKRST_REF_SSP_EN | + PHYCLKRST_SSC_EN | + PHYCLKRST_COMMONONN); + writel(phyclkrst, regs + EXYNOS5_DRD_PHYCLKRST); + + /* Control PHYTEST to remove leakage current */ + phytest = readl(regs + EXYNOS5_DRD_PHYTEST); + phytest |= (PHYTEST_POWERDOWN_SSP | + PHYTEST_POWERDOWN_HSP); + writel(phytest, regs + EXYNOS5_DRD_PHYTEST); +} + +static int samsung_usb3phy_init(struct usb_phy *phy) +{ + struct samsung_usbphy *sphy; + unsigned long flags; + int ret = 0; + + sphy = phy_to_sphy(phy); + + /* Enable the phy clock */ + ret = clk_prepare_enable(sphy->clk); + if (ret) { + dev_err(sphy->dev, "%s: clk_prepare_enable failed\n", __func__); + return ret; + } + + spin_lock_irqsave(&sphy->lock, flags); + + /* setting default phy-type for USB 3.0 */ + samsung_usbphy_set_type(&sphy->phy, USB_PHY_TYPE_DEVICE); + + /* Disable phy isolation */ + samsung_usbphy_set_isolation(sphy, false); + + /* Initialize usb phy registers */ + samsung_exynos5_usb3phy_enable(sphy); + + spin_unlock_irqrestore(&sphy->lock, flags); + + /* Disable the phy clock */ + clk_disable_unprepare(sphy->clk); + + return ret; +} + +/* + * The function passed to the usb driver for phy shutdown + */ +static void samsung_usb3phy_shutdown(struct usb_phy *phy) +{ + struct samsung_usbphy *sphy; + unsigned long flags; + + sphy = phy_to_sphy(phy); + + if (clk_prepare_enable(sphy->clk)) { + dev_err(sphy->dev, "%s: clk_prepare_enable failed\n", __func__); + return; + } + + spin_lock_irqsave(&sphy->lock, flags); + + /* setting default phy-type for USB 3.0 */ + samsung_usbphy_set_type(&sphy->phy, USB_PHY_TYPE_DEVICE); + + /* De-initialize usb phy registers */ + samsung_exynos5_usb3phy_disable(sphy); + + /* Enable phy isolation */ + samsung_usbphy_set_isolation(sphy, true); + + spin_unlock_irqrestore(&sphy->lock, flags); + + clk_disable_unprepare(sphy->clk); +} + +static int samsung_usb3phy_probe(struct platform_device *pdev) +{ + struct samsung_usbphy *sphy; + struct samsung_usbphy_data *pdata = pdev->dev.platform_data; + struct device *dev = &pdev->dev; + struct resource *phy_mem; + void __iomem *phy_base; + struct clk *clk; + int ret; + + phy_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!phy_mem) { + dev_err(dev, "%s: missing mem resource\n", __func__); + return -ENODEV; + } + + phy_base = devm_request_and_ioremap(dev, phy_mem); + if (!phy_base) { + dev_err(dev, "%s: register mapping failed\n", __func__); + return -ENXIO; + } + + sphy = devm_kzalloc(dev, sizeof(*sphy), GFP_KERNEL); + if (!sphy) + return -ENOMEM; + + clk = devm_clk_get(dev, "usbdrd30"); + if (IS_ERR(clk)) { + dev_err(dev, "Failed to get device clock\n"); + return PTR_ERR(clk); + } + + sphy->dev = dev; + + if (dev->of_node) { + ret = samsung_usbphy_parse_dt(sphy); + if (ret < 0) + return ret; + } else { + if (!pdata) { + dev_err(dev, "no platform data specified\n"); + return -EINVAL; + } + } + + sphy->plat = pdata; + sphy->regs = phy_base; + sphy->clk = clk; + sphy->phy.dev = sphy->dev; + sphy->phy.label = "samsung-usb3phy"; + sphy->phy.init = samsung_usb3phy_init; + sphy->phy.shutdown = samsung_usb3phy_shutdown; + sphy->drv_data = samsung_usbphy_get_driver_data(pdev); + sphy->ref_clk_freq = samsung_usbphy_get_refclk_freq(sphy); + + spin_lock_init(&sphy->lock); + + platform_set_drvdata(pdev, sphy); + + return usb_add_phy(&sphy->phy, USB_PHY_TYPE_USB3); +} + +static int samsung_usb3phy_remove(struct platform_device *pdev) +{ + struct samsung_usbphy *sphy = platform_get_drvdata(pdev); + + usb_remove_phy(&sphy->phy); + + if (sphy->pmuregs) + iounmap(sphy->pmuregs); + if (sphy->sysreg) + iounmap(sphy->sysreg); + + return 0; +} + +static struct samsung_usbphy_drvdata usb3phy_exynos5 = { + .cpu_type = TYPE_EXYNOS5250, + .devphy_en_mask = EXYNOS_USBPHY_ENABLE, +}; + +#ifdef CONFIG_OF +static const struct of_device_id samsung_usbphy_dt_match[] = { + { + .compatible = "samsung,exynos5250-usb3phy", + .data = &usb3phy_exynos5 + }, + {}, +}; +MODULE_DEVICE_TABLE(of, samsung_usbphy_dt_match); +#endif + +static struct platform_device_id samsung_usbphy_driver_ids[] = { + { + .name = "exynos5250-usb3phy", + .driver_data = (unsigned long)&usb3phy_exynos5, + }, + {}, +}; + +MODULE_DEVICE_TABLE(platform, samsung_usbphy_driver_ids); + +static struct platform_driver samsung_usb3phy_driver = { + .probe = samsung_usb3phy_probe, + .remove = samsung_usb3phy_remove, + .id_table = samsung_usbphy_driver_ids, + .driver = { + .name = "samsung-usb3phy", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(samsung_usbphy_dt_match), + }, +}; + +module_platform_driver(samsung_usb3phy_driver); + +MODULE_DESCRIPTION("Samsung USB 3.0 phy controller"); +MODULE_AUTHOR("Vivek Gautam "); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:samsung-usb3phy"); diff --git a/drivers/usb/phy/samsung-usbphy.h b/drivers/usb/phy/samsung-usbphy.h index 969632b..f7e657d 100644 --- a/drivers/usb/phy/samsung-usbphy.h +++ b/drivers/usb/phy/samsung-usbphy.h @@ -145,6 +145,87 @@ #define EXYNOS5_PHY_OTG_TUNE (0x40) +/* EXYNOS5: USB 3.0 DRD */ +#define EXYNOS5_DRD_LINKSYSTEM (0x04) + +#define LINKSYSTEM_FLADJ_MASK (0x3f << 1) +#define LINKSYSTEM_FLADJ(_x) ((_x) << 1) +#define LINKSYSTEM_XHCI_VERSION_CONTROL (0x1 << 27) + +#define EXYNOS5_DRD_PHYUTMI (0x08) + +#define PHYUTMI_OTGDISABLE (0x1 << 6) +#define PHYUTMI_FORCESUSPEND (0x1 << 1) +#define PHYUTMI_FORCESLEEP (0x1 << 0) + +#define EXYNOS5_DRD_PHYPIPE (0x0c) + +#define EXYNOS5_DRD_PHYCLKRST (0x10) + +#define PHYCLKRST_SSC_REFCLKSEL_MASK (0xff << 23) +#define PHYCLKRST_SSC_REFCLKSEL(_x) ((_x) << 23) + +#define PHYCLKRST_SSC_RANGE_MASK (0x03 << 21) +#define PHYCLKRST_SSC_RANGE(_x) ((_x) << 21) + +#define PHYCLKRST_SSC_EN (0x1 << 20) +#define PHYCLKRST_REF_SSP_EN (0x1 << 19) +#define PHYCLKRST_REF_CLKDIV2 (0x1 << 18) + +#define PHYCLKRST_MPLL_MULTIPLIER_MASK (0x7f << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_100MHZ_REF (0x19 << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_50M_REF (0x02 << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_24MHZ_REF (0x68 << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_20MHZ_REF (0x7d << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_19200KHZ_REF (0x02 << 11) + +#define PHYCLKRST_FSEL_MASK (0x3f << 5) +#define PHYCLKRST_FSEL(_x) ((_x) << 5) +#define PHYCLKRST_FSEL_PAD_100MHZ (0x27 << 5) +#define PHYCLKRST_FSEL_PAD_24MHZ (0x2a << 5) +#define PHYCLKRST_FSEL_PAD_20MHZ (0x31 << 5) +#define PHYCLKRST_FSEL_PAD_19_2MHZ (0x38 << 5) + +#define PHYCLKRST_RETENABLEN (0x1 << 4) + +#define PHYCLKRST_REFCLKSEL_MASK (0x03 << 2) +#define PHYCLKRST_REFCLKSEL_PAD_REFCLK (0x2 << 2) +#define PHYCLKRST_REFCLKSEL_EXT_REFCLK (0x3 << 2) + +#define PHYCLKRST_PORTRESET (0x1 << 1) +#define PHYCLKRST_COMMONONN (0x1 << 0) + +#define EXYNOS5_DRD_PHYREG0 (0x14) +#define EXYNOS5_DRD_PHYREG1 (0x18) + +#define EXYNOS5_DRD_PHYPARAM0 (0x1c) + +#define PHYPARAM0_REF_USE_PAD (0x1 << 31) +#define PHYPARAM0_REF_LOSLEVEL_MASK (0x1f << 26) +#define PHYPARAM0_REF_LOSLEVEL (0x9 << 26) + +#define EXYNOS5_DRD_PHYPARAM1 (0x20) + +#define PHYPARAM1_PCS_TXDEEMPH_MASK (0x1f << 0) +#define PHYPARAM1_PCS_TXDEEMPH (0x1c) + +#define EXYNOS5_DRD_PHYTERM (0x24) + +#define EXYNOS5_DRD_PHYTEST (0x28) + +#define PHYTEST_POWERDOWN_SSP (0x1 << 3) +#define PHYTEST_POWERDOWN_HSP (0x1 << 2) + +#define EXYNOS5_DRD_PHYADP (0x2c) + +#define EXYNOS5_DRD_PHYBATCHG (0x30) + +#define PHYBATCHG_UTMI_CLKSEL (0x1 << 2) + +#define EXYNOS5_DRD_PHYRESUME (0x34) +#define EXYNOS5_DRD_LINKPORT (0x44) + + #ifndef MHZ #define MHZ (1000*1000) #endif