static struct clk *phyclk, *clk48m, *clk32k;
static void __iomem *ctrl_base;
+static int usbotghs_control;
int omap4430_phy_init(struct device *dev)
{
int omap4430_phy_power(struct device *dev, int ID, int on)
{
if (on) {
- /* enabled the clocks */
- omap4430_phy_set_clk(dev, 1);
- /* power on the phy */
- if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) {
- __raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF);
- mdelay(200);
- }
if (ID)
/* enable VBUS valid, IDDIG groung */
__raw_writel(AVALID | VBUSVALID, ctrl_base +
/* Enable session END and IDIG to high impedence. */
__raw_writel(SESSEND | IDDIG, ctrl_base +
USBOTGHS_CONTROL);
+ }
+ return 0;
+}
+
+int omap4430_phy_suspend(struct device *dev, int suspend)
+{
+ if (suspend) {
/* Disable the clocks */
omap4430_phy_set_clk(dev, 0);
/* Power down the phy */
__raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF);
+
+ /* save the context */
+ usbotghs_control = __raw_readl(ctrl_base + USBOTGHS_CONTROL);
+ } else {
+ /* Enable the internel phy clcoks */
+ omap4430_phy_set_clk(dev, 1);
+ /* power on the phy */
+ if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) {
+ __raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF);
+ mdelay(200);
+ }
+
+ /* restore the context */
+ __raw_writel(usbotghs_control, ctrl_base + USBOTGHS_CONTROL);
}
return 0;