sifive: fu540: add ddr driver

[oweals/u-boot.git] / drivers / phy / meson-gxl-usb2.c

diff --git a/drivers/phy/meson-gxl-usb2.c b/drivers/phy/meson-gxl-usb2.c
index c98d12b627da3da9910086d083d66d40e8eba9bc..2267bd08c2c719e1c7eb165ce54e3614f584cf2c 100644 (file)
--- a/drivers/phy/meson-gxl-usb2.c
+++ b/drivers/phy/meson-gxl-usb2.c
@@ -15,8 +15,12 @@
 #include <errno.h>
 #include <generic-phy.h>
 #include <regmap.h>
+#include <linux/delay.h>
 #include <power/regulator.h>
 #include <clk.h>
+#include <linux/usb/otg.h>
+
+#include <asm/arch/usb-gx.h>
 
 #include <linux/bitops.h>
 #include <linux/compat.h>
@@ -121,15 +125,30 @@ static void phy_meson_gxl_usb2_reset(struct phy_meson_gxl_usb2_priv *priv)
        udelay(RESET_COMPLETE_TIME);
 }
 
-static void
-phy_meson_gxl_usb2_set_host_mode(struct phy_meson_gxl_usb2_priv *priv)
+void phy_meson_gxl_usb2_set_mode(struct phy *phy, enum usb_dr_mode mode)
 {
+       struct udevice *dev = phy->dev;
+       struct phy_meson_gxl_usb2_priv *priv = dev_get_priv(dev);
        uint val;
 
        regmap_read(priv->regmap, U2P_R0, &val);
-       val |= U2P_R0_DM_PULLDOWN;
-       val |= U2P_R0_DP_PULLDOWN;
-       val &= ~U2P_R0_ID_PULLUP;
+
+       switch (mode) {
+       case USB_DR_MODE_UNKNOWN:
+       case USB_DR_MODE_HOST:
+       case USB_DR_MODE_OTG:
+               val |= U2P_R0_DM_PULLDOWN;
+               val |= U2P_R0_DP_PULLDOWN;
+               val &= ~U2P_R0_ID_PULLUP;
+               break;
+
+       case USB_DR_MODE_PERIPHERAL:
+               val &= ~U2P_R0_DM_PULLDOWN;
+               val &= ~U2P_R0_DP_PULLDOWN;
+               val |= U2P_R0_ID_PULLUP;
+               break;
+       }
+
        regmap_write(priv->regmap, U2P_R0, val);
 
        phy_meson_gxl_usb2_reset(priv);
@@ -146,7 +165,7 @@ static int phy_meson_gxl_usb2_power_on(struct phy *phy)
        val &= ~U2P_R0_POWER_ON_RESET;
        regmap_write(priv->regmap, U2P_R0, val);
 
-       phy_meson_gxl_usb2_set_host_mode(priv);
+       phy_meson_gxl_usb2_set_mode(phy, USB_DR_MODE_HOST);
 
 #if CONFIG_IS_ENABLED(DM_REGULATOR)
        if (priv->phy_supply) {