diff options
author | Fabio Estevam <festevam@gmail.com> | 2020-12-11 00:04:13 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-28 17:41:33 +0300 |
commit | a390bef7db1f192cc5b588dbcf8ed113406ec130 (patch) | |
tree | 6ddc92019223a1936c99e6ba5e00bc5c051b6db7 /drivers/usb/gadget | |
parent | 88ebce92806e5dff3549e1a8cacb53978104d3b4 (diff) | |
download | linux-a390bef7db1f192cc5b588dbcf8ed113406ec130.tar.xz |
usb: gadget: fsl_mxc_udc: Remove the driver
Since 5.10-rc1 i.MX is a devicetree-only platform, and this driver
was only used by the old non-DT i.MX devices.
Remove the driver as it has no users left.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20201210210413.15262-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r-- | drivers/usb/gadget/udc/Kconfig | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/Makefile | 1 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/fsl_mxc_udc.c | 122 |
3 files changed, 1 insertions, 124 deletions
diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index 1a12aab208b4..8c614bb86c66 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -90,7 +90,7 @@ config USB_BCM63XX_UDC config USB_FSL_USB2 tristate "Freescale Highspeed USB DR Peripheral Controller" - depends on FSL_SOC || ARCH_MXC + depends on FSL_SOC help Some of Freescale PowerPC and i.MX processors have a High Speed Dual-Role(DR) USB controller, which supports device mode. diff --git a/drivers/usb/gadget/udc/Makefile b/drivers/usb/gadget/udc/Makefile index f5a7ce28aecd..a21f2224e7eb 100644 --- a/drivers/usb/gadget/udc/Makefile +++ b/drivers/usb/gadget/udc/Makefile @@ -23,7 +23,6 @@ obj-$(CONFIG_USB_ATMEL_USBA) += atmel_usba_udc.o obj-$(CONFIG_USB_BCM63XX_UDC) += bcm63xx_udc.o obj-$(CONFIG_USB_FSL_USB2) += fsl_usb2_udc.o fsl_usb2_udc-y := fsl_udc_core.o -fsl_usb2_udc-$(CONFIG_ARCH_MXC) += fsl_mxc_udc.o obj-$(CONFIG_USB_TEGRA_XUDC) += tegra-xudc.o obj-$(CONFIG_USB_M66592) += m66592-udc.o obj-$(CONFIG_USB_R8A66597) += r8a66597-udc.o diff --git a/drivers/usb/gadget/udc/fsl_mxc_udc.c b/drivers/usb/gadget/udc/fsl_mxc_udc.c deleted file mode 100644 index 5a321992decc..000000000000 --- a/drivers/usb/gadget/udc/fsl_mxc_udc.c +++ /dev/null @@ -1,122 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2009 - * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> - * - * Description: - * Helper routines for i.MX3x SoCs from Freescale, needed by the fsl_usb2_udc.c - * driver to function correctly on these systems. - */ -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/fsl_devices.h> -#include <linux/mod_devicetable.h> -#include <linux/platform_device.h> -#include <linux/io.h> - -#include "fsl_usb2_udc.h" - -static struct clk *mxc_ahb_clk; -static struct clk *mxc_per_clk; -static struct clk *mxc_ipg_clk; - -/* workaround ENGcm09152 for i.MX35 */ -#define MX35_USBPHYCTRL_OFFSET 0x600 -#define USBPHYCTRL_OTGBASE_OFFSET 0x8 -#define USBPHYCTRL_EVDO (1 << 23) - -int fsl_udc_clk_init(struct platform_device *pdev) -{ - struct fsl_usb2_platform_data *pdata; - unsigned long freq; - int ret; - - pdata = dev_get_platdata(&pdev->dev); - - mxc_ipg_clk = devm_clk_get(&pdev->dev, "ipg"); - if (IS_ERR(mxc_ipg_clk)) { - dev_err(&pdev->dev, "clk_get(\"ipg\") failed\n"); - return PTR_ERR(mxc_ipg_clk); - } - - mxc_ahb_clk = devm_clk_get(&pdev->dev, "ahb"); - if (IS_ERR(mxc_ahb_clk)) { - dev_err(&pdev->dev, "clk_get(\"ahb\") failed\n"); - return PTR_ERR(mxc_ahb_clk); - } - - mxc_per_clk = devm_clk_get(&pdev->dev, "per"); - if (IS_ERR(mxc_per_clk)) { - dev_err(&pdev->dev, "clk_get(\"per\") failed\n"); - return PTR_ERR(mxc_per_clk); - } - - clk_prepare_enable(mxc_ipg_clk); - clk_prepare_enable(mxc_ahb_clk); - clk_prepare_enable(mxc_per_clk); - - /* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */ - if (!strcmp(pdev->id_entry->name, "imx-udc-mx27")) { - freq = clk_get_rate(mxc_per_clk); - if (pdata->phy_mode != FSL_USB2_PHY_ULPI && - (freq < 59999000 || freq > 60001000)) { - dev_err(&pdev->dev, "USB_CLK=%lu, should be 60MHz\n", freq); - ret = -EINVAL; - goto eclkrate; - } - } - - return 0; - -eclkrate: - clk_disable_unprepare(mxc_ipg_clk); - clk_disable_unprepare(mxc_ahb_clk); - clk_disable_unprepare(mxc_per_clk); - mxc_per_clk = NULL; - return ret; -} - -int fsl_udc_clk_finalize(struct platform_device *pdev) -{ - struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev); - int ret = 0; - - /* workaround ENGcm09152 for i.MX35 */ - if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) { - unsigned int v; - struct resource *res = platform_get_resource - (pdev, IORESOURCE_MEM, 0); - void __iomem *phy_regs = ioremap(res->start + - MX35_USBPHYCTRL_OFFSET, 512); - if (!phy_regs) { - dev_err(&pdev->dev, "ioremap for phy address fails\n"); - ret = -EINVAL; - goto ioremap_err; - } - - v = readl(phy_regs + USBPHYCTRL_OTGBASE_OFFSET); - writel(v | USBPHYCTRL_EVDO, - phy_regs + USBPHYCTRL_OTGBASE_OFFSET); - - iounmap(phy_regs); - } - - -ioremap_err: - /* ULPI transceivers don't need usbpll */ - if (pdata->phy_mode == FSL_USB2_PHY_ULPI) { - clk_disable_unprepare(mxc_per_clk); - mxc_per_clk = NULL; - } - - return ret; -} - -void fsl_udc_clk_release(void) -{ - if (mxc_per_clk) - clk_disable_unprepare(mxc_per_clk); - clk_disable_unprepare(mxc_ahb_clk); - clk_disable_unprepare(mxc_ipg_clk); -} |