summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/usb-host.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/usb-host.c')
-rw-r--r--arch/arm/mach-omap2/usb-host.c531
1 files changed, 531 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
new file mode 100644
index 00000000000..45f9b80b6d2
--- /dev/null
+++ b/arch/arm/mach-omap2/usb-host.c
@@ -0,0 +1,531 @@
+/*
+ * usb-host.c - OMAP USB Host
+ *
+ * This file will contain the board specific details for the
+ * Synopsys EHCI/OHCI host controller on OMAP3430 and onwards
+ *
+ * Copyright (C) 2007-2011 Texas Instruments
+ * Author: Vikram Pandita <vikram.pandita@ti.com>
+ *
+ * Generalization by:
+ * Felipe Balbi <balbi@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/io.h>
+
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+#include <plat/usb.h>
+
+#include "mux.h"
+
+#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
+
+static struct resource ehci_resources[] = {
+ {
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_MEM,
+ },
+ { /* general IRQ */
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static u64 ehci_dmamask = ~(u32)0;
+static struct platform_device ehci_device = {
+ .name = "ehci-omap",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = NULL,
+ },
+ .num_resources = ARRAY_SIZE(ehci_resources),
+ .resource = ehci_resources,
+};
+
+/* MUX settings for EHCI pins */
+/*
+ * setup_ehci_io_mux - initialize IO pad mux for USBHOST
+ */
+static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
+{
+ switch (port_mode[0]) {
+ case EHCI_HCD_OMAP_MODE_PHY:
+ omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_nxt", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_data0", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_data1", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_data2", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_data3", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_data4", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_data5", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN);
+ break;
+ case EHCI_HCD_OMAP_MODE_TLL:
+ omap_mux_init_signal("hsusb1_tll_stp",
+ OMAP_PIN_INPUT_PULLUP);
+ omap_mux_init_signal("hsusb1_tll_clk",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_dir",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_nxt",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_data0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_data1",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_data2",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_data3",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_data4",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_data5",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_data6",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb1_tll_data7",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+ case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ /* FALLTHROUGH */
+ default:
+ break;
+ }
+
+ switch (port_mode[1]) {
+ case EHCI_HCD_OMAP_MODE_PHY:
+ omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_nxt", OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_data0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_data1",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_data2",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_data3",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_data4",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_data5",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_data6",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_data7",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+ case EHCI_HCD_OMAP_MODE_TLL:
+ omap_mux_init_signal("hsusb2_tll_stp",
+ OMAP_PIN_INPUT_PULLUP);
+ omap_mux_init_signal("hsusb2_tll_clk",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_dir",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_nxt",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_data0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_data1",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_data2",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_data3",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_data4",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_data5",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_data6",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb2_tll_data7",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+ case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ /* FALLTHROUGH */
+ default:
+ break;
+ }
+
+ switch (port_mode[2]) {
+ case EHCI_HCD_OMAP_MODE_PHY:
+ printk(KERN_WARNING "Port3 can't be used in PHY mode\n");
+ break;
+ case EHCI_HCD_OMAP_MODE_TLL:
+ omap_mux_init_signal("hsusb3_tll_stp",
+ OMAP_PIN_INPUT_PULLUP);
+ omap_mux_init_signal("hsusb3_tll_clk",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_dir",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_nxt",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_data0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_data1",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_data2",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_data3",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_data4",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_data5",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_data6",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("hsusb3_tll_data7",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+ case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ /* FALLTHROUGH */
+ default:
+ break;
+ }
+
+ return;
+}
+
+static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
+{
+ switch (port_mode[0]) {
+ case EHCI_HCD_OMAP_MODE_PHY:
+ omap_mux_init_signal("usbb1_ulpiphy_stp",
+ OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("usbb1_ulpiphy_clk",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_dir",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_nxt",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_dat0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_dat1",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_dat2",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_dat3",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_dat4",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_dat5",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_dat6",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpiphy_dat7",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+ case EHCI_HCD_OMAP_MODE_TLL:
+ omap_mux_init_signal("usbb1_ulpitll_stp",
+ OMAP_PIN_INPUT_PULLUP);
+ omap_mux_init_signal("usbb1_ulpitll_clk",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_dir",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_nxt",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_dat0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_dat1",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_dat2",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_dat3",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_dat4",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_dat5",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_dat6",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb1_ulpitll_dat7",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+ case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ default:
+ break;
+ }
+ switch (port_mode[1]) {
+ case EHCI_HCD_OMAP_MODE_PHY:
+ omap_mux_init_signal("usbb2_ulpiphy_stp",
+ OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("usbb2_ulpiphy_clk",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_dir",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_nxt",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_dat0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_dat1",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_dat2",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_dat3",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_dat4",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_dat5",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_dat6",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpiphy_dat7",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+ case EHCI_HCD_OMAP_MODE_TLL:
+ omap_mux_init_signal("usbb2_ulpitll_stp",
+ OMAP_PIN_INPUT_PULLUP);
+ omap_mux_init_signal("usbb2_ulpitll_clk",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_dir",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_nxt",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_dat0",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_dat1",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_dat2",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_dat3",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_dat4",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_dat5",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_dat6",
+ OMAP_PIN_INPUT_PULLDOWN);
+ omap_mux_init_signal("usbb2_ulpitll_dat7",
+ OMAP_PIN_INPUT_PULLDOWN);
+ break;
+ case EHCI_HCD_OMAP_MODE_UNKNOWN:
+ default:
+ break;
+ }
+}
+
+void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
+{
+ platform_device_add_data(&ehci_device, pdata, sizeof(*pdata));
+
+ /* Setup Pin IO MUX for EHCI */
+ if (cpu_is_omap34xx()) {
+ ehci_resources[0].start = OMAP34XX_EHCI_BASE;
+ ehci_resources[0].end = OMAP34XX_EHCI_BASE + SZ_1K - 1;
+ ehci_resources[1].start = OMAP34XX_UHH_CONFIG_BASE;
+ ehci_resources[1].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1;
+ ehci_resources[2].start = OMAP34XX_USBTLL_BASE;
+ ehci_resources[2].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1;
+ ehci_resources[3].start = INT_34XX_EHCI_IRQ;
+ setup_ehci_io_mux(pdata->port_mode);
+ } else if (cpu_is_omap44xx()) {
+ ehci_resources[0].start = OMAP44XX_HSUSB_EHCI_BASE;
+ ehci_resources[0].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1;
+ ehci_resources[1].start = OMAP44XX_UHH_CONFIG_BASE;
+ ehci_resources[1].end = OMAP44XX_UHH_CONFIG_BASE + SZ_2K - 1;
+ ehci_resources[2].start = OMAP44XX_USBTLL_BASE;
+ ehci_resources[2].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1;
+ ehci_resources[3].start = OMAP44XX_IRQ_EHCI;
+ setup_4430ehci_io_mux(pdata->port_mode);
+ }
+
+ ehci_resources[0].name = "ehci";
+ ehci_resources[1].name = "uhh";
+ ehci_resources[2].name = "tll";
+ ehci_resources[3].name = "irq";
+
+ if (platform_device_register(&ehci_device) < 0) {
+ printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
+ return;
+ }
+}
+
+#else
+
+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[] = {
+ {
+ .name = "ohci",
+ .start = OMAP34XX_OHCI_BASE,
+ .end = OMAP34XX_OHCI_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "uhh",
+ .start = OMAP34XX_UHH_CONFIG_BASE,
+ .end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "tll",
+ .start = OMAP34XX_USBTLL_BASE,
+ .end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ { /* general IRQ */
+ .name = "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 */
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 08:22:40 +0000