Merge branch 'patman' of git://git.denx.de/u-boot-x86

[karo-tx-uboot.git] / drivers / usb / host / ehci-exynos.c

diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index edd91a84a7e78ec97f37a5a27e82826a06eadb2c..f3c077d82e4d4c726ef99c32189f759571feb46e 100644 (file)
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -31,7 +31,7 @@ DECLARE_GLOBAL_DATA_PTR;
 struct exynos_ehci {
        struct exynos_usb_phy *usb;
        struct ehci_hccr *hcd;
-       struct fdt_gpio_state vbus_gpio;
+       struct gpio_desc vbus_gpio;
 };
 
 static struct exynos_ehci exynos;
@@ -61,7 +61,8 @@ static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos)
        exynos->hcd = (struct ehci_hccr *)addr;
 
        /* Vbus gpio */
-       fdtdec_decode_gpio(blob, node, "samsung,vbus-gpio", &exynos->vbus_gpio);
+       gpio_request_by_name_nodev(blob, node, "samsung,vbus-gpio", 0,
+                                  &exynos->vbus_gpio, GPIOD_IS_OUT);
 
        depth = 0;
        node = fdtdec_next_compatible_subnode(blob, node,
@@ -85,15 +86,10 @@ static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos)
 }
 #endif
 
-/* Setup the EHCI host controller. */
-static void setup_usb_phy(struct exynos_usb_phy *usb)
+static void exynos5_setup_usb_phy(struct exynos_usb_phy *usb)
 {
        u32 hsic_ctrl;
 
-       set_usbhost_mode(USB20_PHY_CFG_HOST_LINK_EN);
-
-       set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_EN);
-
        clrbits_le32(&usb->usbphyctrl0,
                        HOST_CTRL0_FSEL_MASK |
                        HOST_CTRL0_COMMONON_N |
@@ -150,8 +146,34 @@ static void setup_usb_phy(struct exynos_usb_phy *usb)
                        EHCICTRL_ENAINCR16);
 }
 
-/* Reset the EHCI host controller. */
-static void reset_usb_phy(struct exynos_usb_phy *usb)
+static void exynos4412_setup_usb_phy(struct exynos4412_usb_phy *usb)
+{
+       writel(CLK_24MHZ, &usb->usbphyclk);
+
+       clrbits_le32(&usb->usbphyctrl, (PHYPWR_NORMAL_MASK_HSIC0 |
+               PHYPWR_NORMAL_MASK_HSIC1 | PHYPWR_NORMAL_MASK_PHY1 |
+               PHYPWR_NORMAL_MASK_PHY0));
+
+       setbits_le32(&usb->usbphyrstcon, (RSTCON_HOSTPHY_SWRST | RSTCON_SWRST));
+       udelay(10);
+       clrbits_le32(&usb->usbphyrstcon, (RSTCON_HOSTPHY_SWRST | RSTCON_SWRST));
+}
+
+static void setup_usb_phy(struct exynos_usb_phy *usb)
+{
+       set_usbhost_mode(USB20_PHY_CFG_HOST_LINK_EN);
+
+       set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_EN);
+
+       if (cpu_is_exynos5())
+               exynos5_setup_usb_phy(usb);
+       else if (cpu_is_exynos4())
+               if (proid_is_exynos4412())
+                       exynos4412_setup_usb_phy((struct exynos4412_usb_phy *)
+                                                usb);
+}
+
+static void exynos5_reset_usb_phy(struct exynos_usb_phy *usb)
 {
        u32 hsic_ctrl;
 
@@ -171,6 +193,24 @@ static void reset_usb_phy(struct exynos_usb_phy *usb)
 
        setbits_le32(&usb->hsicphyctrl1, hsic_ctrl);
        setbits_le32(&usb->hsicphyctrl2, hsic_ctrl);
+}
+
+static void exynos4412_reset_usb_phy(struct exynos4412_usb_phy *usb)
+{
+       setbits_le32(&usb->usbphyctrl, (PHYPWR_NORMAL_MASK_HSIC0 |
+               PHYPWR_NORMAL_MASK_HSIC1 | PHYPWR_NORMAL_MASK_PHY1 |
+               PHYPWR_NORMAL_MASK_PHY0));
+}
+
+/* Reset the EHCI host controller. */
+static void reset_usb_phy(struct exynos_usb_phy *usb)
+{
+       if (cpu_is_exynos5())
+               exynos5_reset_usb_phy(usb);
+       else if (cpu_is_exynos4())
+               if (proid_is_exynos4412())
+                       exynos4412_reset_usb_phy((struct exynos4412_usb_phy *)
+                                                usb);
 
        set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_DISABLE);
 }
@@ -197,9 +237,8 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 
 #ifdef CONFIG_OF_CONTROL
        /* setup the Vbus gpio here */
-       if (fdt_gpio_isvalid(&ctx->vbus_gpio) &&
-           !fdtdec_setup_gpio(&ctx->vbus_gpio))
-               gpio_direction_output(ctx->vbus_gpio.gpio, 1);
+       if (dm_gpio_is_valid(&ctx->vbus_gpio))
+               dm_gpio_set_value(&ctx->vbus_gpio, 1);
 #endif
 
        setup_usb_phy(ctx->usb);