summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/board-omap3evm.c3
-rw-r--r--arch/arm/mach-omap2/usb-ehci.c155
-rw-r--r--arch/arm/mach-omap2/usb-musb.c1
-rw-r--r--arch/arm/plat-omap/include/plat/usb.h24
4 files changed, 183 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 017bb2f4f7d..7d7b5bc8dc3 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -702,6 +702,9 @@ static void __init omap3_evm_init(void)
omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
ehci_pdata.reset_gpio_port[1] = 21;
+ /* EVM REV >= E can supply 500mA with EXTVBUS programming */
+ musb_board_data.power = 500;
+ musb_board_data.extvbus = 1;
} else {
/* setup EHCI phy reset on MDC */
omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c
index ee9f548d5d8..c68f799e83c 100644
--- a/arch/arm/mach-omap2/usb-ehci.c
+++ b/arch/arm/mach-omap2/usb-ehci.c
@@ -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 */
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index 6d41fa7b2ce..96f6787e00b 100644
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -107,6 +107,7 @@ void __init usb_musb_init(struct omap_musb_board_data *board_data)
musb_plat.board_data = board_data;
musb_plat.power = board_data->power >> 1;
musb_plat.mode = board_data->mode;
+ musb_plat.extvbus = board_data->extvbus;
if (platform_device_register(&musb_device) < 0)
printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");
diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h
index 876ca8d5e92..98eef5360e6 100644
--- a/arch/arm/plat-omap/include/plat/usb.h
+++ b/arch/arm/plat-omap/include/plat/usb.h
@@ -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
@@ -47,6 +68,7 @@ struct omap_musb_board_data {
u8 interface_type;
u8 mode;
u16 power;
+ unsigned extvbus:1;
};
enum musb_interface {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI};
@@ -55,6 +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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-02 05:28:49 +0000