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USB: omap3: add platform init code for OHCI driver

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Add platform init code for the OMAP3 OHCI driver.

Also, configure padconf settings for OMAP3 depending
on which port mode is used.

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Anand Gadiyar 2010-05-10 21:56:10 +05:30 committed by Greg Kroah-Hartman
parent 73a0bd77d6
commit 95344fcc07
2 changed files with 178 additions and 0 deletions
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155
arch/arm/mach-omap2/usb-ehci.c
View File

@ -236,3 +236,158 @@ void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
#endif /* CONFIG_USB_EHCI_HCD */ #endif /* CONFIG_USB_EHCI_HCD */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static struct resource ohci_resources[] = {
{
.start = OMAP34XX_OHCI_BASE,
.end = OMAP34XX_OHCI_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_UHH_CONFIG_BASE,
.end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_USBTLL_BASE,
.end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{ /* general IRQ */
.start = INT_34XX_OHCI_IRQ,
.flags = IORESOURCE_IRQ,
}
};
static u64 ohci_dmamask = DMA_BIT_MASK(32);
static struct platform_device ohci_device = {
.name = "ohci-omap3",
.id = 0,
.dev = {
.dma_mask = &ohci_dmamask,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(ohci_resources),
.resource = ohci_resources,
};
static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode)
{
switch (port_mode[0]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
omap_mux_init_signal("mm1_rxdp",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm1_rxdm",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
omap_mux_init_signal("mm1_rxrcv",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
omap_mux_init_signal("mm1_txen_n", OMAP_PIN_OUTPUT);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
omap_mux_init_signal("mm1_txse0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm1_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
case OMAP_OHCI_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[1]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
omap_mux_init_signal("mm2_rxdp",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm2_rxdm",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
omap_mux_init_signal("mm2_rxrcv",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
omap_mux_init_signal("mm2_txen_n", OMAP_PIN_OUTPUT);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
omap_mux_init_signal("mm2_txse0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm2_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
case OMAP_OHCI_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[2]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
omap_mux_init_signal("mm3_rxdp",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm3_rxdm",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
omap_mux_init_signal("mm3_rxrcv",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
omap_mux_init_signal("mm3_txen_n", OMAP_PIN_OUTPUT);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
omap_mux_init_signal("mm3_txse0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm3_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
case OMAP_OHCI_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
}
void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
{
platform_device_add_data(&ohci_device, pdata, sizeof(*pdata));
/* Setup Pin IO MUX for OHCI */
if (cpu_is_omap34xx())
setup_ohci_io_mux(pdata->port_mode);
if (platform_device_register(&ohci_device) < 0) {
pr_err("Unable to register FS-USB (OHCI) device\n");
return;
}
}
#else
void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
{
}
#endif /* CONFIG_USB_OHCI_HCD */

23
arch/arm/plat-omap/include/plat/usb.h
View File

@ -13,6 +13,20 @@ enum ehci_hcd_omap_mode {
EHCI_HCD_OMAP_MODE_TLL, EHCI_HCD_OMAP_MODE_TLL,
}; };
enum ohci_omap3_port_mode {
OMAP_OHCI_PORT_MODE_UNUSED,
OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0,
OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM,
OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0,
OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM,
OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0,
OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM,
OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0,
OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM,
OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0,
OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM,
};
struct ehci_hcd_omap_platform_data { struct ehci_hcd_omap_platform_data {
enum ehci_hcd_omap_mode port_mode[OMAP3_HS_USB_PORTS]; enum ehci_hcd_omap_mode port_mode[OMAP3_HS_USB_PORTS];
unsigned phy_reset:1; unsigned phy_reset:1;
@ -21,6 +35,13 @@ struct ehci_hcd_omap_platform_data {
int reset_gpio_port[OMAP3_HS_USB_PORTS]; int reset_gpio_port[OMAP3_HS_USB_PORTS];
}; };
struct ohci_hcd_omap_platform_data {
enum ohci_omap3_port_mode port_mode[OMAP3_HS_USB_PORTS];
/* Set this to true for ES2.x silicon */
unsigned es2_compatibility:1;
};
/*-------------------------------------------------------------------------*/ /*-------------------------------------------------------------------------*/
#define OMAP1_OTG_BASE 0xfffb0400 #define OMAP1_OTG_BASE 0xfffb0400
@ -56,6 +77,8 @@ extern void usb_musb_init(struct omap_musb_board_data *board_data);
extern void usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata); extern void usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata);
extern void usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata);
#endif #endif
void omap_usb_init(struct omap_usb_config *pdata); void omap_usb_init(struct omap_usb_config *pdata);