summaryrefslogtreecommitdiffstats
path: root/drivers/usb/phy
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/phy')
-rw-r--r--drivers/usb/phy/omap_usb_phy.c45
1 files changed, 43 insertions, 2 deletions
diff --git a/drivers/usb/phy/omap_usb_phy.c b/drivers/usb/phy/omap_usb_phy.c
index ed727bf290..f074a88950 100644
--- a/drivers/usb/phy/omap_usb_phy.c
+++ b/drivers/usb/phy/omap_usb_phy.c
@@ -22,6 +22,7 @@
#include "../host/xhci.h"
+#ifdef CONFIG_OMAP_USB3PHY1_HOST
struct usb_dpll_params {
u16 m;
u8 n;
@@ -99,7 +100,7 @@ static void usb3_phy_partial_powerup(struct omap_usb3_phy *phy_regs)
writel(val, (*ctrl)->control_phy_power_usb);
}
-void usb3_phy_power(int on)
+void usb_phy_power(int on)
{
u32 val;
@@ -128,7 +129,7 @@ void omap_usb3_phy_init(struct omap_usb3_phy *phy_regs)
usb3_phy_power(1);
}
-void omap_enable_phy_clocks(struct omap_xhci *omap)
+static void omap_enable_usb3_phy(struct omap_xhci *omap)
{
u32 val;
@@ -176,6 +177,35 @@ void omap_enable_phy_clocks(struct omap_xhci *omap)
setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl, val);
};
+#endif /* CONFIG_OMAP_USB3PHY1_HOST */
+
+#ifdef CONFIG_OMAP_USB2PHY2_HOST
+static void omap_enable_usb2_phy2(struct omap_xhci *omap)
+{
+ u32 reg, val;
+
+ val = (~USB2PHY_AUTORESUME_EN & USB2PHY_DISCHGDET);
+ writel(val, (*ctrl)->control_srcomp_north_side);
+
+ setbits_le32((*prcm)->cm_coreaon_usb_phy2_core_clkctrl,
+ USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K);
+
+ setbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl,
+ (USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K |
+ OTG_SS_CLKCTRL_MODULEMODE_HW));
+
+ /* This is an undocumented Reserved register */
+ reg = 0x4a0086c0;
+ val = readl(reg);
+ val |= 0x100;
+ setbits_le32(reg, val);
+}
+
+void usb_phy_power(int on)
+{
+ return;
+}
+#endif /* CONFIG_OMAP_USB2PHY2_HOST */
void omap_reset_usb_phy(struct dwc3 *dwc3_reg)
{
@@ -195,3 +225,14 @@ void omap_reset_usb_phy(struct dwc3 *dwc3_reg)
}
+void omap_enable_phy(struct omap_xhci *omap)
+{
+#ifdef CONFIG_OMAP_USB2PHY2_HOST
+ omap_enable_usb2_phy2(omap);
+#endif
+
+#ifdef CONFIG_OMAP_USB3PHY1_HOST
+ omap_enable_usb3_phy(omap);
+ omap_usb3_phy_init(omap->usb3_phy);
+#endif
+}
OpenPOWER on IntegriCloud