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path: root/drivers/usb/host/ehci-omap.c
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Diffstat (limited to 'drivers/usb/host/ehci-omap.c')
-rw-r--r--drivers/usb/host/ehci-omap.c123
1 files changed, 120 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 5fee537..93ab839 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -20,6 +20,10 @@
#include <asm/gpio.h>
#include <asm/arch/ehci.h>
#include <asm/ehci-omap.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+#include <power/regulator.h>
#include "ehci.h"
@@ -179,9 +183,17 @@ int omap_ehci_hcd_stop(void)
* Based on "drivers/usb/host/ehci-omap.c" from Linux 3.1
* See there for additional Copyrights.
*/
+#if !CONFIG_IS_ENABLED(DM_USB) || !CONFIG_IS_ENABLED(OF_CONTROL)
+
int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
+ *hccr = (struct ehci_hccr *)(OMAP_EHCI_BASE);
+ *hcor = (struct ehci_hcor *)(OMAP_EHCI_BASE + 0x10);
+#else
+int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata)
+{
+#endif
int ret;
unsigned int i, reg = 0, rev = 0;
@@ -288,9 +300,114 @@ int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata,
if (is_ehci_phy_mode(usbhs_pdata->port_mode[i]))
omap_ehci_soft_phy_reset(i);
- *hccr = (struct ehci_hccr *)(OMAP_EHCI_BASE);
- *hcor = (struct ehci_hcor *)(OMAP_EHCI_BASE + 0x10);
-
debug("OMAP EHCI init done\n");
return 0;
}
+
+#if CONFIG_IS_ENABLED(DM_USB)
+
+static struct omap_usbhs_board_data usbhs_bdata = {
+ .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
+ .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
+ .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
+};
+
+static void omap_usbhs_set_mode(u8 index, const char *mode)
+{
+ if (!strcmp(mode, "ehci-phy"))
+ usbhs_bdata.port_mode[index] = OMAP_EHCI_PORT_MODE_PHY;
+ else if (!strcmp(mode, "ehci-tll"))
+ usbhs_bdata.port_mode[index] = OMAP_EHCI_PORT_MODE_TLL;
+ else if (!strcmp(mode, "ehci-hsic"))
+ usbhs_bdata.port_mode[index] = OMAP_EHCI_PORT_MODE_HSIC;
+}
+
+static int omap_usbhs_probe(struct udevice *dev)
+{
+ u8 i;
+ const char *mode;
+ char prop[11];
+
+ /* Go through each port portX-mode to determing phy mode */
+ for (i = 0; i < OMAP_HS_USB_PORTS; i++) {
+ snprintf(prop, sizeof(prop), "port%d-mode", i + 1);
+ mode = dev_read_string(dev, prop);
+
+ /* If the portX-mode exists, set the mode */
+ if (mode)
+ omap_usbhs_set_mode(i, mode);
+ }
+
+ return omap_ehci_hcd_init(0, &usbhs_bdata);
+}
+
+static const struct udevice_id omap_usbhs_dt_ids[] = {
+ { .compatible = "ti,usbhs-host" },
+ { }
+};
+
+U_BOOT_DRIVER(usb_omaphs_host) = {
+ .name = "usbhs-host",
+ .id = UCLASS_SIMPLE_BUS,
+ .of_match = omap_usbhs_dt_ids,
+ .probe = omap_usbhs_probe,
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+
+struct ehci_omap_priv_data {
+ struct ehci_ctrl ctrl;
+ struct omap_ehci *ehci;
+#ifdef CONFIG_DM_REGULATOR
+ struct udevice *vbus_supply;
+#endif
+ enum usb_init_type init_type;
+ int portnr;
+ struct phy phy[OMAP_HS_USB_PORTS];
+ int nports;
+};
+
+static int ehci_usb_ofdata_to_platdata(struct udevice *dev)
+{
+ struct usb_platdata *plat = dev_get_platdata(dev);
+
+ plat->init_type = USB_INIT_HOST;
+
+ return 0;
+}
+
+static int omap_ehci_probe(struct udevice *dev)
+{
+ struct usb_platdata *plat = dev_get_platdata(dev);
+ struct ehci_omap_priv_data *priv = dev_get_priv(dev);
+ struct ehci_hccr *hccr;
+ struct ehci_hcor *hcor;
+
+ priv->ehci = (struct omap_ehci *)devfdt_get_addr(dev);
+ priv->portnr = dev->seq;
+ priv->init_type = plat->init_type;
+
+ hccr = (struct ehci_hccr *)&priv->ehci->hccapbase;
+ hcor = (struct ehci_hcor *)&priv->ehci->usbcmd;
+
+ return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST);
+}
+
+static const struct udevice_id omap_ehci_dt_ids[] = {
+ { .compatible = "ti,ehci-omap" },
+ { }
+};
+
+U_BOOT_DRIVER(usb_omap_ehci) = {
+ .name = "omap-ehci",
+ .id = UCLASS_USB,
+ .of_match = omap_ehci_dt_ids,
+ .probe = omap_ehci_probe,
+ .ofdata_to_platdata = ehci_usb_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct usb_platdata),
+ .priv_auto_alloc_size = sizeof(struct ehci_omap_priv_data),
+ .remove = ehci_deregister,
+ .ops = &ehci_usb_ops,
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+
+#endif