Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-01 09:41:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

USB: omap3: add platform init code for OHCI driver

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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 */
#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,
};
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 {
enum ehci_hcd_omap_mode port_mode[OMAP3_HS_USB_PORTS];
unsigned phy_reset:1;
@ -21,6 +35,13 @@ struct ehci_hcd_omap_platform_data {
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
@ -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_ohci_init(const struct ohci_hcd_omap_platform_data *pdata);
#endif
void omap_usb_init(struct omap_usb_config *pdata);