Commit 57207657 authored by Kishon Vijay Abraham I's avatar Kishon Vijay Abraham I Committed by Marek Vasut

dwc3: dwc3-omap: add support for multiple dwc3-omap controllers

Added support for multiple dwc3 omap controllers. This gives uboot
the capability to control multiple dwc3 omap controllers.
Signed-off-by: default avatarKishon Vijay Abraham I <>
Reviewed-by: default avatarLukasz Majewski <>
parent c241d7ee
......@@ -119,9 +119,11 @@ struct dwc3_omap {
u32 irq0_offset;
u32 dma_status:1;
struct list_head list;
u32 index;
struct dwc3_omap *omap;
static LIST_HEAD(dwc3_omap_list);
static inline u32 dwc3_omap_readl(void __iomem *base, u32 offset)
......@@ -363,12 +365,14 @@ int dwc3_omap_uboot_init(struct dwc3_omap_device *omap_dev)
u32 reg;
struct device *dev;
struct dwc3_omap *omap;
omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL);
if (!omap)
return -ENOMEM;
omap->base = omap_dev->base;
omap->index = omap_dev->index;
dwc3_omap_set_utmi_mode(omap, omap_dev->utmi_mode);
......@@ -380,6 +384,7 @@ int dwc3_omap_uboot_init(struct dwc3_omap_device *omap_dev)
dwc3_omap_set_mailbox(omap, omap_dev->vbus_id_status);
list_add_tail(&omap->list, &dwc3_omap_list);
return 0;
......@@ -389,16 +394,25 @@ int dwc3_omap_uboot_init(struct dwc3_omap_device *omap_dev)
* @index: index of this controller
* Performs cleanup of memory allocated in dwc3_omap_uboot_init
* (equivalent to dwc3_omap_remove in linux).
* (equivalent to dwc3_omap_remove in linux). index of _this_ controller
* should be passed and should match with the index passed in
* dwc3_omap_device during init.
* Generally called from board file.
void dwc3_omap_uboot_exit(void)
void dwc3_omap_uboot_exit(int index)
struct dwc3_omap *omap = NULL;
return 0;
list_for_each_entry(omap, &dwc3_omap_list, list) {
if (omap->index != index)
......@@ -21,10 +21,11 @@ enum omap_dwc3_vbus_id_status {
struct dwc3_omap_device {
void *base;
int index;
enum dwc3_omap_utmi_mode utmi_mode;
enum omap_dwc3_vbus_id_status vbus_id_status;
int dwc3_omap_uboot_init(struct dwc3_omap_device *dev);
void dwc3_omap_uboot_exit(void);
void dwc3_omap_uboot_exit(int index);
#endif /* __DWC3_OMAP_UBOOT_H_ */
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