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-rw-r--r--drivers/usb/phy/Kconfig16
-rw-r--r--drivers/usb/phy/Makefile2
-rw-r--r--drivers/usb/phy/phy-msm-usb.c15
-rw-r--r--drivers/usb/phy/phy-mxs-usb.c6
-rw-r--r--drivers/usb/phy/phy-samsung-usb.c241
-rw-r--r--drivers/usb/phy/phy-samsung-usb.h349
-rw-r--r--drivers/usb/phy/phy-samsung-usb2.c541
-rw-r--r--drivers/usb/phy/phy-samsung-usb3.c350
-rw-r--r--drivers/usb/phy/phy-twl6030-usb.c2
9 files changed, 15 insertions, 1507 deletions
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index e253fa05be68..0cd1f44f0ee8 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -78,22 +78,6 @@ config SAMSUNG_USBPHY
This driver provides common interface to interact, for Samsung USB 2.0 PHY
driver and later for Samsung USB 3.0 PHY driver.
-config SAMSUNG_USB2PHY
- tristate "Samsung USB 2.0 PHY controller Driver"
- select SAMSUNG_USBPHY
- select USB_PHY
- help
- Enable this to support Samsung USB 2.0 (High Speed) PHY controller
- driver for Samsung SoCs.
-
-config SAMSUNG_USB3PHY
- tristate "Samsung USB 3.0 PHY controller Driver"
- select SAMSUNG_USBPHY
- select USB_PHY
- help
- Enable this to support Samsung USB 3.0 (Super Speed) phy controller
- for samsung SoCs.
-
config TWL6030_USB
tristate "TWL6030 USB Transceiver Driver"
depends on TWL4030_CORE && OMAP_USB2 && USB_MUSB_OMAP2PLUS
diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
index 24a91332d4ad..75f2bba58c84 100644
--- a/drivers/usb/phy/Makefile
+++ b/drivers/usb/phy/Makefile
@@ -15,8 +15,6 @@ obj-$(CONFIG_AM335X_CONTROL_USB) += phy-am335x-control.o
obj-$(CONFIG_AM335X_PHY_USB) += phy-am335x.o
obj-$(CONFIG_OMAP_OTG) += phy-omap-otg.o
obj-$(CONFIG_SAMSUNG_USBPHY) += phy-samsung-usb.o
-obj-$(CONFIG_SAMSUNG_USB2PHY) += phy-samsung-usb2.o
-obj-$(CONFIG_SAMSUNG_USB3PHY) += phy-samsung-usb3.o
obj-$(CONFIG_TWL6030_USB) += phy-twl6030-usb.o
obj-$(CONFIG_USB_EHCI_TEGRA) += phy-tegra-usb.o
obj-$(CONFIG_USB_GPIO_VBUS) += phy-gpio-vbus-usb.o
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index afc09087ec36..7bb48af9e027 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -281,7 +281,7 @@ static int msm_otg_phy_clk_reset(struct msm_otg *motg)
{
int ret = 0;
- if (motg->pdata->phy_clk_reset && motg->phy_reset_clk)
+ if (motg->pdata->phy_clk_reset)
ret = motg->pdata->phy_clk_reset(motg->phy_reset_clk);
else if (motg->phy_rst)
ret = reset_control_reset(motg->phy_rst);
@@ -1394,7 +1394,7 @@ out:
return status;
}
-const struct file_operations msm_otg_mode_fops = {
+static const struct file_operations msm_otg_mode_fops = {
.open = msm_otg_mode_open,
.read = seq_read,
.write = msm_otg_mode_write,
@@ -1554,11 +1554,14 @@ static int msm_otg_probe(struct platform_device *pdev)
phy = &motg->phy;
phy->dev = &pdev->dev;
- motg->phy_reset_clk = devm_clk_get(&pdev->dev,
+ if (motg->pdata->phy_clk_reset) {
+ motg->phy_reset_clk = devm_clk_get(&pdev->dev,
np ? "phy" : "usb_phy_clk");
- if (IS_ERR(motg->phy_reset_clk)) {
- dev_err(&pdev->dev, "failed to get usb_phy_clk\n");
- motg->phy_reset_clk = NULL;
+
+ if (IS_ERR(motg->phy_reset_clk)) {
+ dev_err(&pdev->dev, "failed to get usb_phy_clk\n");
+ return PTR_ERR(motg->phy_reset_clk);
+ }
}
motg->clk = devm_clk_get(&pdev->dev, np ? "core" : "usb_hs_clk");
diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index c42bdf0c4a1f..8c2f23b75d6d 100644
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -125,10 +125,16 @@ static const struct mxs_phy_data imx6sl_phy_data = {
MXS_PHY_NEED_IP_FIX,
};
+static const struct mxs_phy_data vf610_phy_data = {
+ .flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS |
+ MXS_PHY_NEED_IP_FIX,
+};
+
static const struct of_device_id mxs_phy_dt_ids[] = {
{ .compatible = "fsl,imx6sl-usbphy", .data = &imx6sl_phy_data, },
{ .compatible = "fsl,imx6q-usbphy", .data = &imx6q_phy_data, },
{ .compatible = "fsl,imx23-usbphy", .data = &imx23_phy_data, },
+ { .compatible = "fsl,vf610-usbphy", .data = &vf610_phy_data, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, mxs_phy_dt_ids);
diff --git a/drivers/usb/phy/phy-samsung-usb.c b/drivers/usb/phy/phy-samsung-usb.c
deleted file mode 100644
index ac025ca08425..000000000000
--- a/drivers/usb/phy/phy-samsung-usb.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/* linux/drivers/usb/phy/phy-samsung-usb.c
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Author: Praveen Paneri <p.paneri@samsung.com>
- *
- * Samsung USB-PHY helper driver with common function calls;
- * interacts with Samsung USB 2.0 PHY controller driver and later
- * with Samsung USB 3.0 PHY driver.
- *
- * 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 <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/device.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/usb/samsung_usb_phy.h>
-
-#include "phy-samsung-usb.h"
-
-int samsung_usbphy_parse_dt(struct samsung_usbphy *sphy)
-{
- struct device_node *usbphy_sys;
-
- /* Getting node for system controller interface for usb-phy */
- usbphy_sys = of_get_child_by_name(sphy->dev->of_node, "usbphy-sys");
- if (!usbphy_sys) {
- dev_err(sphy->dev, "No sys-controller interface for usb-phy\n");
- return -ENODEV;
- }
-
- sphy->pmuregs = of_iomap(usbphy_sys, 0);
-
- if (sphy->pmuregs == NULL) {
- dev_err(sphy->dev, "Can't get usb-phy pmu control register\n");
- goto err0;
- }
-
- sphy->sysreg = of_iomap(usbphy_sys, 1);
-
- /*
- * Not returning error code here, since this situation is not fatal.
- * Few SoCs may not have this switch available
- */
- if (sphy->sysreg == NULL)
- dev_warn(sphy->dev, "Can't get usb-phy sysreg cfg register\n");
-
- of_node_put(usbphy_sys);
-
- return 0;
-
-err0:
- of_node_put(usbphy_sys);
- return -ENXIO;
-}
-EXPORT_SYMBOL_GPL(samsung_usbphy_parse_dt);
-
-/*
- * Set isolation here for phy.
- * Here 'on = true' would mean USB PHY block is isolated, hence
- * de-activated and vice-versa.
- */
-void samsung_usbphy_set_isolation_4210(struct samsung_usbphy *sphy, bool on)
-{
- void __iomem *reg = NULL;
- u32 reg_val;
- u32 en_mask = 0;
-
- if (!sphy->pmuregs) {
- dev_warn(sphy->dev, "Can't set pmu isolation\n");
- return;
- }
-
- if (sphy->phy_type == USB_PHY_TYPE_DEVICE) {
- reg = sphy->pmuregs + sphy->drv_data->devphy_reg_offset;
- en_mask = sphy->drv_data->devphy_en_mask;
- } else if (sphy->phy_type == USB_PHY_TYPE_HOST) {
- reg = sphy->pmuregs + sphy->drv_data->hostphy_reg_offset;
- en_mask = sphy->drv_data->hostphy_en_mask;
- }
-
- reg_val = readl(reg);
-
- if (on)
- reg_val &= ~en_mask;
- else
- reg_val |= en_mask;
-
- writel(reg_val, reg);
-
- if (sphy->drv_data->cpu_type == TYPE_EXYNOS4X12) {
- writel(reg_val, sphy->pmuregs + EXYNOS4X12_PHY_HSIC_CTRL0);
- writel(reg_val, sphy->pmuregs + EXYNOS4X12_PHY_HSIC_CTRL1);
- }
-}
-EXPORT_SYMBOL_GPL(samsung_usbphy_set_isolation_4210);
-
-/*
- * Configure the mode of working of usb-phy here: HOST/DEVICE.
- */
-void samsung_usbphy_cfg_sel(struct samsung_usbphy *sphy)
-{
- u32 reg;
-
- if (!sphy->sysreg) {
- dev_warn(sphy->dev, "Can't configure specified phy mode\n");
- return;
- }
-
- reg = readl(sphy->sysreg);
-
- if (sphy->phy_type == USB_PHY_TYPE_DEVICE)
- reg &= ~EXYNOS_USB20PHY_CFG_HOST_LINK;
- else if (sphy->phy_type == USB_PHY_TYPE_HOST)
- reg |= EXYNOS_USB20PHY_CFG_HOST_LINK;
-
- writel(reg, sphy->sysreg);
-}
-EXPORT_SYMBOL_GPL(samsung_usbphy_cfg_sel);
-
-/*
- * PHYs are different for USB Device and USB Host.
- * This make sure that correct PHY type is selected before
- * any operation on PHY.
- */
-int samsung_usbphy_set_type(struct usb_phy *phy,
- enum samsung_usb_phy_type phy_type)
-{
- struct samsung_usbphy *sphy = phy_to_sphy(phy);
-
- sphy->phy_type = phy_type;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(samsung_usbphy_set_type);
-
-int samsung_usbphy_rate_to_clksel_64xx(struct samsung_usbphy *sphy,
- unsigned long rate)
-{
- unsigned int clksel;
-
- switch (rate) {
- case 12 * MHZ:
- clksel = PHYCLK_CLKSEL_12M;
- break;
- case 24 * MHZ:
- clksel = PHYCLK_CLKSEL_24M;
- break;
- case 48 * MHZ:
- clksel = PHYCLK_CLKSEL_48M;
- break;
- default:
- dev_err(sphy->dev,
- "Invalid reference clock frequency: %lu\n", rate);
- return -EINVAL;
- }
-
- return clksel;
-}
-EXPORT_SYMBOL_GPL(samsung_usbphy_rate_to_clksel_64xx);
-
-int samsung_usbphy_rate_to_clksel_4x12(struct samsung_usbphy *sphy,
- unsigned long rate)
-{
- unsigned int clksel;
-
- switch (rate) {
- case 9600 * KHZ:
- clksel = FSEL_CLKSEL_9600K;
- break;
- case 10 * MHZ:
- clksel = FSEL_CLKSEL_10M;
- break;
- case 12 * MHZ:
- clksel = FSEL_CLKSEL_12M;
- break;
- case 19200 * KHZ:
- clksel = FSEL_CLKSEL_19200K;
- break;
- case 20 * MHZ:
- clksel = FSEL_CLKSEL_20M;
- break;
- case 24 * MHZ:
- clksel = FSEL_CLKSEL_24M;
- break;
- case 50 * MHZ:
- clksel = FSEL_CLKSEL_50M;
- break;
- default:
- dev_err(sphy->dev,
- "Invalid reference clock frequency: %lu\n", rate);
- return -EINVAL;
- }
-
- return clksel;
-}
-EXPORT_SYMBOL_GPL(samsung_usbphy_rate_to_clksel_4x12);
-
-/*
- * Returns reference clock frequency selection value
- */
-int samsung_usbphy_get_refclk_freq(struct samsung_usbphy *sphy)
-{
- struct clk *ref_clk;
- unsigned long rate;
- int refclk_freq;
-
- /*
- * In exynos5250 USB host and device PHY use
- * external crystal clock XXTI
- */
- if (sphy->drv_data->cpu_type == TYPE_EXYNOS5250)
- ref_clk = clk_get(sphy->dev, "ext_xtal");
- else
- ref_clk = clk_get(sphy->dev, "xusbxti");
- if (IS_ERR(ref_clk)) {
- dev_err(sphy->dev, "Failed to get reference clock\n");
- return PTR_ERR(ref_clk);
- }
-
- rate = clk_get_rate(ref_clk);
- refclk_freq = sphy->drv_data->rate_to_clksel(sphy, rate);
-
- clk_put(ref_clk);
-
- return refclk_freq;
-}
-EXPORT_SYMBOL_GPL(samsung_usbphy_get_refclk_freq);
diff --git a/drivers/usb/phy/phy-samsung-usb.h b/drivers/usb/phy/phy-samsung-usb.h
deleted file mode 100644
index 80eedd45a20a..000000000000
--- a/drivers/usb/phy/phy-samsung-usb.h
+++ /dev/null
@@ -1,349 +0,0 @@
-/* linux/drivers/usb/phy/phy-samsung-usb.h
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Samsung USB-PHY transceiver; talks to S3C HS OTG controller, EHCI-S5P and
- * OHCI-EXYNOS controllers.
- *
- * 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 <linux/usb/phy.h>
-
-/* Register definitions */
-
-#define SAMSUNG_PHYPWR (0x00)
-
-#define PHYPWR_NORMAL_MASK (0x19 << 0)
-#define PHYPWR_OTG_DISABLE (0x1 << 4)
-#define PHYPWR_ANALOG_POWERDOWN (0x1 << 3)
-#define PHYPWR_FORCE_SUSPEND (0x1 << 1)
-/* For Exynos4 */
-#define PHYPWR_NORMAL_MASK_PHY0 (0x39 << 0)
-#define PHYPWR_SLEEP_PHY0 (0x1 << 5)
-
-#define SAMSUNG_PHYCLK (0x04)
-
-#define PHYCLK_MODE_USB11 (0x1 << 6)
-#define PHYCLK_EXT_OSC (0x1 << 5)
-#define PHYCLK_COMMON_ON_N (0x1 << 4)
-#define PHYCLK_ID_PULL (0x1 << 2)
-#define PHYCLK_CLKSEL_MASK (0x3 << 0)
-#define PHYCLK_CLKSEL_48M (0x0 << 0)
-#define PHYCLK_CLKSEL_12M (0x2 << 0)
-#define PHYCLK_CLKSEL_24M (0x3 << 0)
-
-#define SAMSUNG_RSTCON (0x08)
-
-#define RSTCON_PHYLINK_SWRST (0x1 << 2)
-#define RSTCON_HLINK_SWRST (0x1 << 1)
-#define RSTCON_SWRST (0x1 << 0)
-
-/* EXYNOS4X12 */
-#define EXYNOS4X12_PHY_HSIC_CTRL0 (0x04)
-#define EXYNOS4X12_PHY_HSIC_CTRL1 (0x08)
-
-#define PHYPWR_NORMAL_MASK_HSIC1 (0x7 << 12)
-#define PHYPWR_NORMAL_MASK_HSIC0 (0x7 << 9)
-#define PHYPWR_NORMAL_MASK_PHY1 (0x7 << 6)
-
-#define RSTCON_HOSTPHY_SWRST (0xf << 3)
-
-/* EXYNOS5 */
-#define EXYNOS5_PHY_HOST_CTRL0 (0x00)
-
-#define HOST_CTRL0_PHYSWRSTALL (0x1 << 31)
-
-#define HOST_CTRL0_REFCLKSEL_MASK (0x3 << 19)
-#define HOST_CTRL0_REFCLKSEL_XTAL (0x0 << 19)
-#define HOST_CTRL0_REFCLKSEL_EXTL (0x1 << 19)
-#define HOST_CTRL0_REFCLKSEL_CLKCORE (0x2 << 19)
-
-#define HOST_CTRL0_FSEL_MASK (0x7 << 16)
-#define HOST_CTRL0_FSEL(_x) ((_x) << 16)
-
-#define FSEL_CLKSEL_50M (0x7)
-#define FSEL_CLKSEL_24M (0x5)
-#define FSEL_CLKSEL_20M (0x4)
-#define FSEL_CLKSEL_19200K (0x3)
-#define FSEL_CLKSEL_12M (0x2)
-#define FSEL_CLKSEL_10M (0x1)
-#define FSEL_CLKSEL_9600K (0x0)
-
-#define HOST_CTRL0_TESTBURNIN (0x1 << 11)
-#define HOST_CTRL0_RETENABLE (0x1 << 10)
-#define HOST_CTRL0_COMMONON_N (0x1 << 9)
-#define HOST_CTRL0_SIDDQ (0x1 << 6)
-#define HOST_CTRL0_FORCESLEEP (0x1 << 5)
-#define HOST_CTRL0_FORCESUSPEND (0x1 << 4)
-#define HOST_CTRL0_WORDINTERFACE (0x1 << 3)
-#define HOST_CTRL0_UTMISWRST (0x1 << 2)
-#define HOST_CTRL0_LINKSWRST (0x1 << 1)
-#define HOST_CTRL0_PHYSWRST (0x1 << 0)
-
-#define EXYNOS5_PHY_HOST_TUNE0 (0x04)
-
-#define EXYNOS5_PHY_HSIC_CTRL1 (0x10)
-
-#define EXYNOS5_PHY_HSIC_TUNE1 (0x14)
-
-#define EXYNOS5_PHY_HSIC_CTRL2 (0x20)
-
-#define EXYNOS5_PHY_HSIC_TUNE2 (0x24)
-
-#define HSIC_CTRL_REFCLKSEL_MASK (0x3 << 23)
-#define HSIC_CTRL_REFCLKSEL (0x2 << 23)
-
-#define HSIC_CTRL_REFCLKDIV_MASK (0x7f << 16)
-#define HSIC_CTRL_REFCLKDIV(_x) ((_x) << 16)
-#define HSIC_CTRL_REFCLKDIV_12 (0x24 << 16)
-#define HSIC_CTRL_REFCLKDIV_15 (0x1c << 16)
-#define HSIC_CTRL_REFCLKDIV_16 (0x1a << 16)
-#define HSIC_CTRL_REFCLKDIV_19_2 (0x15 << 16)
-#define HSIC_CTRL_REFCLKDIV_20 (0x14 << 16)
-
-#define HSIC_CTRL_SIDDQ (0x1 << 6)
-#define HSIC_CTRL_FORCESLEEP (0x1 << 5)
-#define HSIC_CTRL_FORCESUSPEND (0x1 << 4)
-#define HSIC_CTRL_WORDINTERFACE (0x1 << 3)
-#define HSIC_CTRL_UTMISWRST (0x1 << 2)
-#define HSIC_CTRL_PHYSWRST (0x1 << 0)
-
-#define EXYNOS5_PHY_HOST_EHCICTRL (0x30)
-
-#define HOST_EHCICTRL_ENAINCRXALIGN (0x1 << 29)
-#define HOST_EHCICTRL_ENAINCR4 (0x1 << 28)
-#define HOST_EHCICTRL_ENAINCR8 (0x1 << 27)
-#define HOST_EHCICTRL_ENAINCR16 (0x1 << 26)
-
-#define EXYNOS5_PHY_HOST_OHCICTRL (0x34)
-
-#define HOST_OHCICTRL_SUSPLGCY (0x1 << 3)
-#define HOST_OHCICTRL_APPSTARTCLK (0x1 << 2)
-#define HOST_OHCICTRL_CNTSEL (0x1 << 1)
-#define HOST_OHCICTRL_CLKCKTRST (0x1 << 0)
-
-#define EXYNOS5_PHY_OTG_SYS (0x38)
-
-#define OTG_SYS_PHYLINK_SWRESET (0x1 << 14)
-#define OTG_SYS_LINKSWRST_UOTG (0x1 << 13)
-#define OTG_SYS_PHY0_SWRST (0x1 << 12)
-
-#define OTG_SYS_REFCLKSEL_MASK (0x3 << 9)
-#define OTG_SYS_REFCLKSEL_XTAL (0x0 << 9)
-#define OTG_SYS_REFCLKSEL_EXTL (0x1 << 9)
-#define OTG_SYS_REFCLKSEL_CLKCORE (0x2 << 9)
-
-#define OTG_SYS_IDPULLUP_UOTG (0x1 << 8)
-#define OTG_SYS_COMMON_ON (0x1 << 7)
-
-#define OTG_SYS_FSEL_MASK (0x7 << 4)
-#define OTG_SYS_FSEL(_x) ((_x) << 4)
-
-#define OTG_SYS_FORCESLEEP (0x1 << 3)
-#define OTG_SYS_OTGDISABLE (0x1 << 2)
-#define OTG_SYS_SIDDQ_UOTG (0x1 << 1)
-#define OTG_SYS_FORCESUSPEND (0x1 << 0)
-
-#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 (0x3f << 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
-
-#ifndef KHZ
-#define KHZ (1000)
-#endif
-
-#define EXYNOS_USBHOST_PHY_CTRL_OFFSET (0x4)
-#define S3C64XX_USBPHY_ENABLE (0x1 << 16)
-#define EXYNOS_USBPHY_ENABLE (0x1 << 0)
-#define EXYNOS_USB20PHY_CFG_HOST_LINK (0x1 << 0)
-
-enum samsung_cpu_type {
- TYPE_S3C64XX,
- TYPE_EXYNOS4210,
- TYPE_EXYNOS4X12,
- TYPE_EXYNOS5250,
-};
-
-struct samsung_usbphy;
-
-/*
- * struct samsung_usbphy_drvdata - driver data for various SoC variants
- * @cpu_type: machine identifier
- * @devphy_en_mask: device phy enable mask for PHY CONTROL register
- * @hostphy_en_mask: host phy enable mask for PHY CONTROL register
- * @devphy_reg_offset: offset to DEVICE PHY CONTROL register from
- * mapped address of system controller.
- * @hostphy_reg_offset: offset to HOST PHY CONTROL register from
- * mapped address of system controller.
- *
- * Here we have a separate mask for device type phy.
- * Having different masks for host and device type phy helps
- * in setting independent masks in case of SoCs like S5PV210,
- * in which PHY0 and PHY1 enable bits belong to same register
- * placed at position 0 and 1 respectively.
- * Although for newer SoCs like exynos these bits belong to
- * different registers altogether placed at position 0.
- */
-struct samsung_usbphy_drvdata {
- int cpu_type;
- int devphy_en_mask;
- int hostphy_en_mask;
- u32 devphy_reg_offset;
- u32 hostphy_reg_offset;
- int (*rate_to_clksel)(struct samsung_usbphy *, unsigned long);
- void (*set_isolation)(struct samsung_usbphy *, bool);
- void (*phy_enable)(struct samsung_usbphy *);
- void (*phy_disable)(struct samsung_usbphy *);
-};
-
-/*
- * struct samsung_usbphy - transceiver driver state
- * @phy: transceiver structure
- * @plat: platform data
- * @dev: The parent device supplied to the probe function
- * @clk: usb phy clock
- * @regs: usb phy controller registers memory base
- * @pmuregs: USB device PHY_CONTROL register memory base
- * @sysreg: USB2.0 PHY_CFG register memory base
- * @ref_clk_freq: reference clock frequency selection
- * @drv_data: driver data available for different SoCs
- * @phy_type: Samsung SoCs specific phy types: #HOST
- * #DEVICE
- * @phy_usage: usage count for phy
- * @lock: lock for phy operations
- */
-struct samsung_usbphy {
- struct usb_phy phy;
- struct samsung_usbphy_data *plat;
- struct device *dev;
- struct clk *clk;
- void __iomem *regs;
- void __iomem *pmuregs;
- void __iomem *sysreg;
- int ref_clk_freq;
- const struct samsung_usbphy_drvdata *drv_data;
- enum samsung_usb_phy_type phy_type;
- atomic_t phy_usage;
- spinlock_t lock;
-};
-
-#define phy_to_sphy(x) container_of((x), struct samsung_usbphy, phy)
-
-static const struct of_device_id samsung_usbphy_dt_match[];
-
-static inline const struct samsung_usbphy_drvdata
-*samsung_usbphy_get_driver_data(struct platform_device *pdev)
-{
- if (pdev->dev.of_node) {
- const struct of_device_id *match;
- match = of_match_node(samsung_usbphy_dt_match,
- pdev->dev.of_node);
- return match->data;
- }
-
- return (struct samsung_usbphy_drvdata *)
- platform_get_device_id(pdev)->driver_data;
-}
-
-extern int samsung_usbphy_parse_dt(struct samsung_usbphy *sphy);
-extern void samsung_usbphy_set_isolation_4210(struct samsung_usbphy *sphy,
- bool on);
-extern void samsung_usbphy_cfg_sel(struct samsung_usbphy *sphy);
-extern int samsung_usbphy_set_type(struct usb_phy *phy,
- enum samsung_usb_phy_type phy_type);
-extern int samsung_usbphy_get_refclk_freq(struct samsung_usbphy *sphy);
-extern int samsung_usbphy_rate_to_clksel_64xx(struct samsung_usbphy *sphy,
- unsigned long rate);
-extern int samsung_usbphy_rate_to_clksel_4x12(struct samsung_usbphy *sphy,
- unsigned long rate);
diff --git a/drivers/usb/phy/phy-samsung-usb2.c b/drivers/usb/phy/phy-samsung-usb2.c
deleted file mode 100644
index b3ba86627b72..000000000000
--- a/drivers/usb/phy/phy-samsung-usb2.c
+++ /dev/null
@@ -1,541 +0,0 @@
-/* linux/drivers/usb/phy/phy-samsung-usb2.c
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Author: Praveen Paneri <p.paneri@samsung.com>
- *
- * Samsung USB2.0 PHY transceiver; talks to S3C HS OTG controller, EHCI-S5P and
- * OHCI-EXYNOS controllers.
- *
- * 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 <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/usb/otg.h>
-#include <linux/usb/samsung_usb_phy.h>
-#include <linux/platform_data/samsung-usbphy.h>
-
-#include "phy-samsung-usb.h"
-
-static int samsung_usbphy_set_host(struct usb_otg *otg, struct usb_bus *host)
-{
- if (!otg)
- return -ENODEV;
-
- if (!otg->host)
- otg->host = host;
-
- return 0;
-}
-
-static bool exynos5_phyhost_is_on(void __iomem *regs)
-{
- u32 reg;
-
- reg = readl(regs + EXYNOS5_PHY_HOST_CTRL0);
-
- return !(reg & HOST_CTRL0_SIDDQ);
-}
-
-static void samsung_exynos5_usb2phy_enable(struct samsung_usbphy *sphy)
-{
- void __iomem *regs = sphy->regs;
- u32 phyclk = sphy->ref_clk_freq;
- u32 phyhost;
- u32 phyotg;
- u32 phyhsic;
- u32 ehcictrl;
- u32 ohcictrl;
-
- /*
- * phy_usage helps in keeping usage count for phy
- * so that the first consumer enabling the phy is also
- * the last consumer to disable it.
- */
-
- atomic_inc(&sphy->phy_usage);
-
- if (exynos5_phyhost_is_on(regs)) {
- dev_info(sphy->dev, "Already power on PHY\n");
- return;
- }
-
- /* Host configuration */
- phyhost = readl(regs + EXYNOS5_PHY_HOST_CTRL0);
-
- /* phy reference clock configuration */
- phyhost &= ~HOST_CTRL0_FSEL_MASK;
- phyhost |= HOST_CTRL0_FSEL(phyclk);
-
- /* host phy reset */
- phyhost &= ~(HOST_CTRL0_PHYSWRST |
- HOST_CTRL0_PHYSWRSTALL |
- HOST_CTRL0_SIDDQ |
- /* Enable normal mode of operation */
- HOST_CTRL0_FORCESUSPEND |
- HOST_CTRL0_FORCESLEEP);
-
- /* Link reset */
- phyhost |= (HOST_CTRL0_LINKSWRST |
- HOST_CTRL0_UTMISWRST |
- /* COMMON Block configuration during suspend */
- HOST_CTRL0_COMMONON_N);
- writel(phyhost, regs + EXYNOS5_PHY_HOST_CTRL0);
- udelay(10);
- phyhost &= ~(HOST_CTRL0_LINKSWRST |
- HOST_CTRL0_UTMISWRST);
- writel(phyhost, regs + EXYNOS5_PHY_HOST_CTRL0);
-
- /* OTG configuration */
- phyotg = readl(regs + EXYNOS5_PHY_OTG_SYS);
-
- /* phy reference clock configuration */
- phyotg &= ~OTG_SYS_FSEL_MASK;
- phyotg |= OTG_SYS_FSEL(phyclk);
-
- /* Enable normal mode of operation */
- phyotg &= ~(OTG_SYS_FORCESUSPEND |
- OTG_SYS_SIDDQ_UOTG |
- OTG_SYS_FORCESLEEP |
- OTG_SYS_REFCLKSEL_MASK |
- /* COMMON Block configuration during suspend */
- OTG_SYS_COMMON_ON);
-
- /* OTG phy & link reset */
- phyotg |= (OTG_SYS_PHY0_SWRST |
- OTG_SYS_LINKSWRST_UOTG |
- OTG_SYS_PHYLINK_SWRESET |
- OTG_SYS_OTGDISABLE |
- /* Set phy refclk */
- OTG_SYS_REFCLKSEL_CLKCORE);
-
- writel(phyotg, regs + EXYNOS5_PHY_OTG_SYS);
- udelay(10);
- phyotg &= ~(OTG_SYS_PHY0_SWRST |
- OTG_SYS_LINKSWRST_UOTG |
- OTG_SYS_PHYLINK_SWRESET);
- writel(phyotg, regs + EXYNOS5_PHY_OTG_SYS);
-
- /* HSIC phy configuration */
- phyhsic = (HSIC_CTRL_REFCLKDIV_12 |
- HSIC_CTRL_REFCLKSEL |
- HSIC_CTRL_PHYSWRST);
- writel(phyhsic, regs + EXYNOS5_PHY_HSIC_CTRL1);
- writel(phyhsic, regs + EXYNOS5_PHY_HSIC_CTRL2);
- udelay(10);
- phyhsic &= ~HSIC_CTRL_PHYSWRST;
- writel(phyhsic, regs + EXYNOS5_PHY_HSIC_CTRL1);
- writel(phyhsic, regs + EXYNOS5_PHY_HSIC_CTRL2);
-
- udelay(80);
-
- /* enable EHCI DMA burst */
- ehcictrl = readl(regs + EXYNOS5_PHY_HOST_EHCICTRL);
- ehcictrl |= (HOST_EHCICTRL_ENAINCRXALIGN |
- HOST_EHCICTRL_ENAINCR4 |
- HOST_EHCICTRL_ENAINCR8 |
- HOST_EHCICTRL_ENAINCR16);
- writel(ehcictrl, regs + EXYNOS5_PHY_HOST_EHCICTRL);
-
- /* set ohci_suspend_on_n */
- ohcictrl = readl(regs + EXYNOS5_PHY_HOST_OHCICTRL);
- ohcictrl |= HOST_OHCICTRL_SUSPLGCY;
- writel(ohcictrl, regs + EXYNOS5_PHY_HOST_OHCICTRL);
-}
-
-static void samsung_usb2phy_enable(struct samsung_usbphy *sphy)
-{
- void __iomem *regs = sphy->regs;
- u32 phypwr;
- u32 phyclk;
- u32 rstcon;
-
- /* set clock frequency for PLL */
- phyclk = sphy->ref_clk_freq;
- phypwr = readl(regs + SAMSUNG_PHYPWR);
- rstcon = readl(regs + SAMSUNG_RSTCON);
-
- switch (sphy->drv_data->cpu_type) {
- case TYPE_S3C64XX:
- phyclk &= ~PHYCLK_COMMON_ON_N;
- phypwr &= ~PHYPWR_NORMAL_MASK;
- rstcon |= RSTCON_SWRST;
- break;
- case TYPE_EXYNOS4X12:
- phypwr &= ~(PHYPWR_NORMAL_MASK_HSIC0 |
- PHYPWR_NORMAL_MASK_HSIC1 |
- PHYPWR_NORMAL_MASK_PHY1);
- rstcon |= RSTCON_HOSTPHY_SWRST;
- case TYPE_EXYNOS4210:
- phypwr &= ~PHYPWR_NORMAL_MASK_PHY0;
- rstcon |= RSTCON_SWRST;
- default:
- break;
- }
-
- writel(phyclk, regs + SAMSUNG_PHYCLK);
- /* Configure PHY0 for normal operation*/
- writel(phypwr, regs + SAMSUNG_PHYPWR);
- /* reset all ports of PHY and Link */
- writel(rstcon, regs + SAMSUNG_RSTCON);
- udelay(10);
- if (sphy->drv_data->cpu_type == TYPE_EXYNOS4X12)
- rstcon &= ~RSTCON_HOSTPHY_SWRST;
- rstcon &= ~RSTCON_SWRST;
- writel(rstcon, regs + SAMSUNG_RSTCON);
-}
-
-static void samsung_exynos5_usb2phy_disable(struct samsung_usbphy *sphy)
-{
- void __iomem *regs = sphy->regs;
- u32 phyhost;
- u32 phyotg;
- u32 phyhsic;
-
- if (atomic_dec_return(&sphy->phy_usage) > 0) {
- dev_info(sphy->dev, "still being used\n");
- return;
- }
-
- phyhsic = (HSIC_CTRL_REFCLKDIV_12 |
- HSIC_CTRL_REFCLKSEL |
- HSIC_CTRL_SIDDQ |
- HSIC_CTRL_FORCESLEEP |
- HSIC_CTRL_FORCESUSPEND);
- writel(phyhsic, regs + EXYNOS5_PHY_HSIC_CTRL1);
- writel(phyhsic, regs + EXYNOS5_PHY_HSIC_CTRL2);
-
- phyhost = readl(regs + EXYNOS5_PHY_HOST_CTRL0);
- phyhost |= (HOST_CTRL0_SIDDQ |
- HOST_CTRL0_FORCESUSPEND |
- HOST_CTRL0_FORCESLEEP |
- HOST_CTRL0_PHYSWRST |
- HOST_CTRL0_PHYSWRSTALL);
- writel(phyhost, regs + EXYNOS5_PHY_HOST_CTRL0);
-
- phyotg = readl(regs + EXYNOS5_PHY_OTG_SYS);
- phyotg |= (OTG_SYS_FORCESUSPEND |
- OTG_SYS_SIDDQ_UOTG |
- OTG_SYS_FORCESLEEP);
- writel(phyotg, regs + EXYNOS5_PHY_OTG_SYS);
-}
-
-static void samsung_usb2phy_disable(struct samsung_usbphy *sphy)
-{
- void __iomem *regs = sphy->regs;
- u32 phypwr;
-
- phypwr = readl(regs + SAMSUNG_PHYPWR);
-
- switch (sphy->drv_data->cpu_type) {
- case TYPE_S3C64XX:
- phypwr |= PHYPWR_NORMAL_MASK;
- break;
- case TYPE_EXYNOS4X12:
- phypwr |= (PHYPWR_NORMAL_MASK_HSIC0 |
- PHYPWR_NORMAL_MASK_HSIC1 |
- PHYPWR_NORMAL_MASK_PHY1);
- case TYPE_EXYNOS4210:
- phypwr |= PHYPWR_NORMAL_MASK_PHY0;
- default:
- break;
- }
-
- /* Disable analog and otg block power */
- writel(phypwr, regs + SAMSUNG_PHYPWR);
-}
-
-/*
- * The function passed to the usb driver for phy initialization
- */
-static int samsung_usb2phy_init(struct usb_phy *phy)
-{
- struct samsung_usbphy *sphy;
- struct usb_bus *host = NULL;
- unsigned long flags;
- int ret = 0;
-
- sphy = phy_to_sphy(phy);
-
- host = phy->otg->host;
-
- /* 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);
-
- if (host) {
- /* setting default phy-type for USB 2.0 */
- if (!strstr(dev_name(host->controller), "ehci") ||
- !strstr(dev_name(host->controller), "ohci"))
- samsung_usbphy_set_type(&sphy->phy, USB_PHY_TYPE_HOST);
- } else {
- samsung_usbphy_set_type(&sphy->phy, USB_PHY_TYPE_DEVICE);
- }
-
- /* Disable phy isolation */
- if (sphy->plat && sphy->plat->pmu_isolation)
- sphy->plat->pmu_isolation(false);
- else if (sphy->drv_data->set_isolation)
- sphy->drv_data->set_isolation(sphy, false);
-
- /* Selecting Host/OTG mode; After reset USB2.0PHY_CFG: HOST */
- samsung_usbphy_cfg_sel(sphy);
-
- /* Initialize usb phy registers */
- sphy->drv_data->phy_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_usb2phy_shutdown(struct usb_phy *phy)
-{
- struct samsung_usbphy *sphy;
- struct usb_bus *host = NULL;
- unsigned long flags;
-
- sphy = phy_to_sphy(phy);
-
- host = phy->otg->host;
-
- if (clk_prepare_enable(sphy->clk)) {
- dev_err(sphy->dev, "%s: clk_prepare_enable failed\n", __func__);
- return;
- }
-
- spin_lock_irqsave(&sphy->lock, flags);
-
- if (host) {
- /* setting default phy-type for USB 2.0 */
- if (!strstr(dev_name(host->controller), "ehci") ||
- !strstr(dev_name(host->controller), "ohci"))
- samsung_usbphy_set_type(&sphy->phy, USB_PHY_TYPE_HOST);
- } else {
- samsung_usbphy_set_type(&sphy->phy, USB_PHY_TYPE_DEVICE);
- }
-
- /* De-initialize usb phy registers */
- sphy->drv_data->phy_disable(sphy);
-
- /* Enable phy isolation */
- if (sphy->plat && sphy->plat->pmu_isolation)
- sphy->plat->pmu_isolation(true);
- else if (sphy->drv_data->set_isolation)
- sphy->drv_data->set_isolation(sphy, true);
-
- spin_unlock_irqrestore(&sphy->lock, flags);
-
- clk_disable_unprepare(sphy->clk);
-}
-
-static int samsung_usb2phy_probe(struct platform_device *pdev)
-{
- struct samsung_usbphy *sphy;
- struct usb_otg *otg;
- struct samsung_usbphy_data *pdata = dev_get_platdata(&pdev->dev);
- const struct samsung_usbphy_drvdata *drv_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);
- phy_base = devm_ioremap_resource(dev, phy_mem);
- if (IS_ERR(phy_base))
- return PTR_ERR(phy_base);
-
- sphy = devm_kzalloc(dev, sizeof(*sphy), GFP_KERNEL);
- if (!sphy)
- return -ENOMEM;
-
- otg = devm_kzalloc(dev, sizeof(*otg), GFP_KERNEL);
- if (!otg)
- return -ENOMEM;
-
- drv_data = samsung_usbphy_get_driver_data(pdev);
-
- if (drv_data->cpu_type == TYPE_EXYNOS5250)
- clk = devm_clk_get(dev, "usbhost");
- else
- clk = devm_clk_get(dev, "otg");
-
- if (IS_ERR(clk)) {
- dev_err(dev, "Failed to get usbhost/otg 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->drv_data = drv_data;
- sphy->phy.dev = sphy->dev;
- sphy->phy.label = "samsung-usb2phy";
- sphy->phy.type = USB_PHY_TYPE_USB2;
- sphy->phy.init = samsung_usb2phy_init;
- sphy->phy.shutdown = samsung_usb2phy_shutdown;
-
- sphy->ref_clk_freq = samsung_usbphy_get_refclk_freq(sphy);
- if (sphy->ref_clk_freq < 0)
- return -EINVAL;
-
- sphy->phy.otg = otg;
- sphy->phy.otg->phy = &sphy->phy;
- sphy->phy.otg->set_host = samsung_usbphy_set_host;
-
- spin_lock_init(&sphy->lock);
-
- platform_set_drvdata(pdev, sphy);
-
- return usb_add_phy_dev(&sphy->phy);
-}
-
-static int samsung_usb2phy_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 const struct samsung_usbphy_drvdata usb2phy_s3c64xx = {
- .cpu_type = TYPE_S3C64XX,
- .devphy_en_mask = S3C64XX_USBPHY_ENABLE,
- .rate_to_clksel = samsung_usbphy_rate_to_clksel_64xx,
- .set_isolation = NULL, /* TODO */
- .phy_enable = samsung_usb2phy_enable,
- .phy_disable = samsung_usb2phy_disable,
-};
-
-static const struct samsung_usbphy_drvdata usb2phy_exynos4 = {
- .cpu_type = TYPE_EXYNOS4210,
- .devphy_en_mask = EXYNOS_USBPHY_ENABLE,
- .hostphy_en_mask = EXYNOS_USBPHY_ENABLE,
- .rate_to_clksel = samsung_usbphy_rate_to_clksel_64xx,
- .set_isolation = samsung_usbphy_set_isolation_4210,
- .phy_enable = samsung_usb2phy_enable,
- .phy_disable = samsung_usb2phy_disable,
-};
-
-static const struct samsung_usbphy_drvdata usb2phy_exynos4x12 = {
- .cpu_type = TYPE_EXYNOS4X12,
- .devphy_en_mask = EXYNOS_USBPHY_ENABLE,
- .hostphy_en_mask = EXYNOS_USBPHY_ENABLE,
- .rate_to_clksel = samsung_usbphy_rate_to_clksel_4x12,
- .set_isolation = samsung_usbphy_set_isolation_4210,
- .phy_enable = samsung_usb2phy_enable,
- .phy_disable = samsung_usb2phy_disable,
-};
-
-static struct samsung_usbphy_drvdata usb2phy_exynos5 = {
- .cpu_type = TYPE_EXYNOS5250,
- .hostphy_en_mask = EXYNOS_USBPHY_ENABLE,
- .hostphy_reg_offset = EXYNOS_USBHOST_PHY_CTRL_OFFSET,
- .rate_to_clksel = samsung_usbphy_rate_to_clksel_4x12,
- .set_isolation = samsung_usbphy_set_isolation_4210,
- .phy_enable = samsung_exynos5_usb2phy_enable,
- .phy_disable = samsung_exynos5_usb2phy_disable,
-};
-
-#ifdef CONFIG_OF
-static const struct of_device_id samsung_usbphy_dt_match[] = {
- {
- .compatible = "samsung,s3c64xx-usb2phy",
- .data = &usb2phy_s3c64xx,
- }, {
- .compatible = "samsung,exynos4210-usb2phy",
- .data = &usb2phy_exynos4,
- }, {
- .compatible = "samsung,exynos4x12-usb2phy",
- .data = &usb2phy_exynos4x12,
- }, {
- .compatible = "samsung,exynos5250-usb2phy",
- .data = &usb2phy_exynos5
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, samsung_usbphy_dt_match);
-#endif
-
-static struct platform_device_id samsung_usbphy_driver_ids[] = {
- {
- .name = "s3c64xx-usb2phy",
- .driver_data = (unsigned long)&usb2phy_s3c64xx,
- }, {
- .name = "exynos4210-usb2phy",
- .driver_data = (unsigned long)&usb2phy_exynos4,
- }, {
- .name = "exynos4x12-usb2phy",
- .driver_data = (unsigned long)&usb2phy_exynos4x12,
- }, {
- .name = "exynos5250-usb2phy",
- .driver_data = (unsigned long)&usb2phy_exynos5,
- },
- {},
-};
-
-MODULE_DEVICE_TABLE(platform, samsung_usbphy_driver_ids);
-
-static struct platform_driver samsung_usb2phy_driver = {
- .probe = samsung_usb2phy_probe,
- .remove = samsung_usb2phy_remove,
- .id_table = samsung_usbphy_driver_ids,
- .driver = {
- .name = "samsung-usb2phy",
- .owner = THIS_MODULE,
- .of_match_table = of_match_ptr(samsung_usbphy_dt_match),
- },
-};
-
-module_platform_driver(samsung_usb2phy_driver);
-
-MODULE_DESCRIPTION("Samsung USB 2.0 phy controller");
-MODULE_AUTHOR("Praveen Paneri <p.paneri@samsung.com>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:samsung-usb2phy");
diff --git a/drivers/usb/phy/phy-samsung-usb3.c b/drivers/usb/phy/phy-samsung-usb3.c
deleted file mode 100644
index cc0819248acf..000000000000
--- a/drivers/usb/phy/phy-samsung-usb3.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/* linux/drivers/usb/phy/phy-samsung-usb3.c
- *
- * Copyright (c) 2013 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Author: Vivek Gautam <gautam.vivek@samsung.com>
- *
- * 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 <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/usb/samsung_usb_phy.h>
-#include <linux/platform_data/samsung-usbphy.h>
-
-#include "phy-samsung-usb.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 void 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);
-}
-
-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 */
- if (sphy->drv_data->set_isolation)
- sphy->drv_data->set_isolation(sphy, false);
-
- /* Initialize usb phy registers */
- sphy->drv_data->phy_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 */
- sphy->drv_data->phy_disable(sphy);
-
- /* Enable phy isolation */
- if (sphy->drv_data->set_isolation)
- sphy->drv_data->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 = dev_get_platdata(&pdev->dev);
- 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);
- phy_base = devm_ioremap_resource(dev, phy_mem);
- if (IS_ERR(phy_base))
- return PTR_ERR(phy_base);
-
- 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.type = USB_PHY_TYPE_USB3;
- 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);
- if (sphy->ref_clk_freq < 0)
- return -EINVAL;
-
- spin_lock_init(&sphy->lock);
-
- platform_set_drvdata(pdev, sphy);
-
- return usb_add_phy_dev(&sphy->phy);
-}
-
-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,
- .rate_to_clksel = samsung_usbphy_rate_to_clksel_4x12,
- .set_isolation = samsung_usbphy_set_isolation_4210,
- .phy_enable = samsung_exynos5_usb3phy_enable,
- .phy_disable = samsung_exynos5_usb3phy_disable,
-};
-
-#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 <gautam.vivek@samsung.com>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:samsung-usb3phy");
diff --git a/drivers/usb/phy/phy-twl6030-usb.c b/drivers/usb/phy/phy-twl6030-usb.c
index 04778cf80d60..44ea082e40dc 100644
--- a/drivers/usb/phy/phy-twl6030-usb.c
+++ b/drivers/usb/phy/phy-twl6030-usb.c
@@ -104,7 +104,6 @@ struct twl6030_usb {
int irq2;
enum omap_musb_vbus_id_status linkstat;
u8 asleep;
- bool irq_enabled;
bool vbus_enable;
const char *regulator;
};
@@ -373,7 +372,6 @@ static int twl6030_usb_probe(struct platform_device *pdev)
INIT_WORK(&twl->set_vbus_work, otg_set_vbus_work);
- twl->irq_enabled = true;
status = request_threaded_irq(twl->irq1, NULL, twl6030_usbotg_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"twl6030_usb", twl);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 06:24:19 +0000