C++ (Cpp) usbotg_init Examples

Example #1

/* Notes: configure USB clock*/
static int usbotg_init_ext(struct platform_device *pdev)
{
	struct clk *usb_clk;
	u32 ret;

	/* at mx6q: this clock is AHB clock for usb core */
	usb_clk = clk_get(NULL, "usboh3_clk");
	clk_enable(usb_clk);
	usb_oh3_clk = usb_clk;

	usb_clk = clk_get(NULL, "usb_phy1_clk");
	clk_enable(usb_clk);
	usb_phy1_clk = usb_clk;

	ret = usbotg_init(pdev);
	if (ret) {
		printk(KERN_ERR "otg init fails......\n");
		return ret;
	}
	if (!otg_used) {
		usbotg_internal_phy_clock_gate(true);
		usb_phy_enable(pdev->dev.platform_data);
		/*after the phy reset,can not read the readingvalue for id/vbus at
		* the register of otgsc ,cannot  read at once ,need delay 3 ms
		*/
		mdelay(3);
	}
	otg_used++;

	return ret;
}

Example #2

File: usb_dr.c Project: fwmfee/linux-legacy

static int usbotg_init_ext(struct platform_device *pdev)
{
	struct clk *usb_clk;

	usb_clk = clk_get(NULL, "usb_clk0");
	clk_enable(usb_clk);
	clk_put(usb_clk);

	return usbotg_init(pdev);
}

Example #3

File: usb_dr.c Project: jacoby3108/linux-for-lobster

/* Notes: configure USB clock*/
static int usbotg_init_ext(struct platform_device *pdev)
{
	struct clk *usb_clk;

	/* the usb_ahb_clk will be enabled in usb_otg_init */
	usb_ahb_clk = clk_get(NULL, "usb_ahb_clk");

	usb_clk = clk_get(NULL, "usboh3_clk");
	clk_enable(usb_clk);
	usb_oh3_clk = usb_clk;

	usb_clk = clk_get(NULL, "usb_phy1_clk");
	clk_enable(usb_clk);
	usb_phy1_clk = usb_clk;

	return usbotg_init(pdev);
}

Example #4

File: usb_dr.c Project: traveller42/linux-2.6.28.mx233-falconwing

/* Notes: configure USB clock*/
static int usbotg_init_ext(struct platform_device *pdev)
{
	struct clk *usb_clk;

	usb_clk = clk_get(NULL, "usboh3_clk");
	clk_enable(usb_clk);
	clk_put(usb_clk);

	usb_clk = clk_get(NULL, "usb_phy_clk");
	clk_enable(usb_clk);
	clk_put(usb_clk);

	/*derive clock from oscillator */
	usb_clk = clk_get(NULL, "usb_utmi_clk");
	clk_disable(usb_clk);
	clk_put(usb_clk);

	return usbotg_init(pdev);
}

Example #5

File: usb_dr.c Project: despierto/imx_233_linux

/* Notes: configure USB clock*/
static int usbotg_init_ext(struct platform_device *pdev)
{
	struct clk *usb_clk, *usboh2_clk;
	int ret;

	usboh2_clk = clk_get(NULL, "usboh2_clk");
	clk_enable(usboh2_clk);

	usb_clk = clk_get(NULL, "usb_phy_clk");
	clk_enable(usb_clk);
	clk_put(usb_clk);

	ret = usbotg_init(pdev);

	/* this clock is no use after set portsc PTS bit */
	clk_disable(usboh2_clk);
	clk_put(usboh2_clk);

	return ret;
}