USB: MUSB: Set transceiver interface type
This patch programs the OTG_INTRFSEL register based
on transcevier type passed from board file.
Signed-off-by: Maulik Mankad <x0082077@xxxxxx>
Cc: Felipe Balbi <felipe.balbi@xxxxxxxxx>
Cc: David Brownell <david-b@xxxxxxxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Index: linux-2.6/drivers/usb/musb/musb_core.c
===================================================================
--- linux-2.6.orig/drivers/usb/musb/musb_core.c
+++ linux-2.6/drivers/usb/musb/musb_core.c
@@ -1924,6 +1924,7 @@ bad_config:
musb->board_set_power = plat->set_power;
musb->set_clock = plat->set_clock;
musb->min_power = plat->min_power;
+ musb->interface_type = plat->interface_type;
/* Clock usage is chip-specific ... functional clock (DaVinci,
* OMAP2430), or PHY ref (some TUSB6010 boards). All this core
Index: linux-2.6/drivers/usb/musb/musb_core.h
===================================================================
--- linux-2.6.orig/drivers/usb/musb/musb_core.h
+++ linux-2.6/drivers/usb/musb/musb_core.h
@@ -392,6 +392,7 @@ struct musb {
u8 nr_endpoints;
u8 board_mode; /* enum musb_mode */
+ u8 interface_type; /* ULPI OR UTMI */
int (*board_set_power)(int state);
int (*set_clock)(struct clk *clk, int is_active);
Index: linux-2.6/drivers/usb/musb/omap2430.c
===================================================================
--- linux-2.6.orig/drivers/usb/musb/omap2430.c
+++ linux-2.6/drivers/usb/musb/omap2430.c
@@ -236,7 +236,15 @@ int __init musb_platform_init(struct mus
omap_writel(l, OTG_SYSCONFIG);
l = omap_readl(OTG_INTERFSEL);
- l |= ULPI_12PIN;
+
+ if (musb->interface_type == MUSB_INTERFACE_UTMI) {
+ /* OMAP4 uses Internal PHY GS70 which uses UTMI interface */
+ l &= ~ULPI_12PIN; /* Disable ULPI */
+ l |= UTMI_8BIT; /* Enable UTMI */
+ } else {
+ l |= ULPI_12PIN;
+ }
+
omap_writel(l, OTG_INTERFSEL);
pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
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