INIT_CK(NULL, "hclk", &clk_h),
INIT_CK(NULL, "apb_pclk", &clk_p),
INIT_CK(NULL, "pll2", &clk_pll2),
- INIT_CK("ep93xx-ohci", NULL, &clk_usb_host),
+ INIT_CK("ohci-platform", NULL, &clk_usb_host),
INIT_CK("ep93xx-keypad", NULL, &clk_keypad),
INIT_CK("ep93xx-fb", NULL, &clk_video),
INIT_CK("ep93xx-spi.0", NULL, &clk_spi),
#include <linux/export.h>
#include <linux/irqchip/arm-vic.h>
#include <linux/reboot.h>
+#include <linux/usb/ohci_pdriver.h>
#include <mach/hardware.h>
#include <linux/platform_data/video-ep93xx.h>
.resource = ep93xx_rtc_resource,
};
+/*************************************************************************
+ * EP93xx OHCI USB Host
+ *************************************************************************/
+
+static struct clk *ep93xx_ohci_host_clock;
+
+static int ep93xx_ohci_power_on(struct platform_device *pdev)
+{
+ if (!ep93xx_ohci_host_clock) {
+ ep93xx_ohci_host_clock = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(ep93xx_ohci_host_clock))
+ return PTR_ERR(ep93xx_ohci_host_clock);
+ }
+
+ return clk_enable(ep93xx_ohci_host_clock);
+}
+
+static void ep93xx_ohci_power_off(struct platform_device *pdev)
+{
+ clk_disable(ep93xx_ohci_host_clock);
+}
+
+static struct usb_ohci_pdata ep93xx_ohci_pdata = {
+ .power_on = ep93xx_ohci_power_on,
+ .power_off = ep93xx_ohci_power_off,
+ .power_suspend = ep93xx_ohci_power_off,
+};
static struct resource ep93xx_ohci_resources[] = {
DEFINE_RES_MEM(EP93XX_USB_PHYS_BASE, 0x1000),
DEFINE_RES_IRQ(IRQ_EP93XX_USB),
};
+static u64 ep93xx_ohci_dma_mask = DMA_BIT_MASK(32);
static struct platform_device ep93xx_ohci_device = {
- .name = "ep93xx-ohci",
+ .name = "ohci-platform",
.id = -1,
+ .num_resources = ARRAY_SIZE(ep93xx_ohci_resources),
+ .resource = ep93xx_ohci_resources,
.dev = {
- .dma_mask = &ep93xx_ohci_device.dev.coherent_dma_mask,
+ .dma_mask = &ep93xx_ohci_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &ep93xx_ohci_pdata,
},
- .num_resources = ARRAY_SIZE(ep93xx_ohci_resources),
- .resource = ep93xx_ohci_resources,
};
-
/*************************************************************************
* EP93xx physmap'ed flash
*************************************************************************/
+++ /dev/null
-/*
- * OHCI HCD (Host Controller Driver) for USB.
- *
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- * (C) Copyright 2002 Hewlett-Packard Company
- *
- * Bus Glue for ep93xx.
- *
- * Written by Christopher Hoover <ch@hpl.hp.com>
- * Based on fragments of previous driver by Russell King et al.
- *
- * Modified for LH7A404 from ohci-sa1111.c
- * by Durgesh Pattamatta <pattamattad@sharpsec.com>
- *
- * Modified for pxa27x from ohci-lh7a404.c
- * by Nick Bane <nick@cecomputing.co.uk> 26-8-2004
- *
- * Modified for ep93xx from ohci-pxa27x.c
- * by Lennert Buytenhek <buytenh@wantstofly.org> 28-2-2006
- * Based on an earlier driver by Ray Lehtiniemi
- *
- * This file is licenced under the GPL.
- */
-
-#include <linux/clk.h>
-#include <linux/device.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/signal.h>
-#include <linux/usb.h>
-#include <linux/usb/hcd.h>
-
-#include "ohci.h"
-
-#define DRIVER_DESC "OHCI EP93xx driver"
-
-static const char hcd_name[] = "ohci-ep93xx";
-
-static struct hc_driver __read_mostly ohci_ep93xx_hc_driver;
-
-static struct clk *usb_host_clock;
-
-static int ohci_hcd_ep93xx_drv_probe(struct platform_device *pdev)
-{
- struct usb_hcd *hcd;
- struct resource *res;
- int irq;
- int ret;
-
- if (usb_disabled())
- return -ENODEV;
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENXIO;
-
- hcd = usb_create_hcd(&ohci_ep93xx_hc_driver, &pdev->dev, "ep93xx");
- if (!hcd)
- return -ENOMEM;
-
- hcd->rsrc_start = res->start;
- hcd->rsrc_len = resource_size(res);
-
- hcd->regs = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(hcd->regs)) {
- ret = PTR_ERR(hcd->regs);
- goto err_put_hcd;
- }
-
- usb_host_clock = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(usb_host_clock)) {
- ret = PTR_ERR(usb_host_clock);
- goto err_put_hcd;
- }
-
- clk_enable(usb_host_clock);
-
- ret = usb_add_hcd(hcd, irq, 0);
- if (ret)
- goto err_clk_disable;
-
- return 0;
-
-err_clk_disable:
- clk_disable(usb_host_clock);
-err_put_hcd:
- usb_put_hcd(hcd);
-
- return ret;
-}
-
-static int ohci_hcd_ep93xx_drv_remove(struct platform_device *pdev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
- usb_remove_hcd(hcd);
- clk_disable(usb_host_clock);
- usb_put_hcd(hcd);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int ohci_hcd_ep93xx_drv_suspend(struct platform_device *pdev, pm_message_t state)
-{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
- struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-
- if (time_before(jiffies, ohci->next_statechange))
- msleep(5);
- ohci->next_statechange = jiffies;
-
- clk_disable(usb_host_clock);
- return 0;
-}
-
-static int ohci_hcd_ep93xx_drv_resume(struct platform_device *pdev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
- struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-
- if (time_before(jiffies, ohci->next_statechange))
- msleep(5);
- ohci->next_statechange = jiffies;
-
- clk_enable(usb_host_clock);
-
- ohci_resume(hcd, false);
- return 0;
-}
-#endif
-
-static struct platform_driver ohci_hcd_ep93xx_driver = {
- .probe = ohci_hcd_ep93xx_drv_probe,
- .remove = ohci_hcd_ep93xx_drv_remove,
- .shutdown = usb_hcd_platform_shutdown,
-#ifdef CONFIG_PM
- .suspend = ohci_hcd_ep93xx_drv_suspend,
- .resume = ohci_hcd_ep93xx_drv_resume,
-#endif
- .driver = {
- .name = "ep93xx-ohci",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init ohci_ep93xx_init(void)
-{
- if (usb_disabled())
- return -ENODEV;
-
- pr_info("%s: " DRIVER_DESC "\n", hcd_name);
-
- ohci_init_driver(&ohci_ep93xx_hc_driver, NULL);
- return platform_driver_register(&ohci_hcd_ep93xx_driver);
-}
-module_init(ohci_ep93xx_init);
-
-static void __exit ohci_ep93xx_cleanup(void)
-{
- platform_driver_unregister(&ohci_hcd_ep93xx_driver);
-}
-module_exit(ohci_ep93xx_cleanup);
-
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:ep93xx-ohci");
projects / linux-beck.git / commitdiff