arm: omap4: usb: add platform init code for EHCI
- Add platform init code for EHCI on OMAP4 - Add pad configuration for PHY and TLL modes Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
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811406c2e6
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@ -34,22 +34,15 @@
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static struct resource ehci_resources[] = {
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{
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.start = OMAP34XX_EHCI_BASE,
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.end = OMAP34XX_EHCI_BASE + SZ_1K - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = OMAP34XX_UHH_CONFIG_BASE,
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.end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = OMAP34XX_USBTLL_BASE,
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.end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
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.flags = IORESOURCE_MEM,
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},
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{ /* general IRQ */
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.start = INT_34XX_EHCI_IRQ,
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.flags = IORESOURCE_IRQ,
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}
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};
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@ -214,13 +207,148 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
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return;
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}
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static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
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{
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switch (port_mode[0]) {
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case EHCI_HCD_OMAP_MODE_PHY:
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omap_mux_init_signal("usbb1_ulpiphy_stp",
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OMAP_PIN_OUTPUT);
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omap_mux_init_signal("usbb1_ulpiphy_clk",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_dir",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_nxt",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_dat0",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_dat1",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_dat2",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_dat3",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_dat4",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_dat5",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_dat6",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpiphy_dat7",
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OMAP_PIN_INPUT_PULLDOWN);
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break;
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case EHCI_HCD_OMAP_MODE_TLL:
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omap_mux_init_signal("usbb1_ulpitll_stp",
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OMAP_PIN_INPUT_PULLUP);
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omap_mux_init_signal("usbb1_ulpitll_clk",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_dir",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_nxt",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_dat0",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_dat1",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_dat2",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_dat3",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_dat4",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_dat5",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_dat6",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb1_ulpitll_dat7",
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OMAP_PIN_INPUT_PULLDOWN);
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break;
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case EHCI_HCD_OMAP_MODE_UNKNOWN:
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default:
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break;
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}
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switch (port_mode[1]) {
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case EHCI_HCD_OMAP_MODE_PHY:
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omap_mux_init_signal("usbb2_ulpiphy_stp",
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OMAP_PIN_OUTPUT);
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omap_mux_init_signal("usbb2_ulpiphy_clk",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_dir",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_nxt",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_dat0",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_dat1",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_dat2",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_dat3",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_dat4",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_dat5",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_dat6",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpiphy_dat7",
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OMAP_PIN_INPUT_PULLDOWN);
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break;
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case EHCI_HCD_OMAP_MODE_TLL:
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omap_mux_init_signal("usbb2_ulpitll_stp",
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OMAP_PIN_INPUT_PULLUP);
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omap_mux_init_signal("usbb2_ulpitll_clk",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_dir",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_nxt",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_dat0",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_dat1",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_dat2",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_dat3",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_dat4",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_dat5",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_dat6",
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OMAP_PIN_INPUT_PULLDOWN);
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omap_mux_init_signal("usbb2_ulpitll_dat7",
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OMAP_PIN_INPUT_PULLDOWN);
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break;
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case EHCI_HCD_OMAP_MODE_UNKNOWN:
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default:
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break;
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}
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}
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void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
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{
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platform_device_add_data(&ehci_device, pdata, sizeof(*pdata));
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/* Setup Pin IO MUX for EHCI */
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if (cpu_is_omap34xx())
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if (cpu_is_omap34xx()) {
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ehci_resources[0].start = OMAP34XX_EHCI_BASE;
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ehci_resources[0].end = OMAP34XX_EHCI_BASE + SZ_1K - 1;
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ehci_resources[1].start = OMAP34XX_UHH_CONFIG_BASE;
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ehci_resources[1].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1;
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ehci_resources[2].start = OMAP34XX_USBTLL_BASE;
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ehci_resources[2].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1;
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ehci_resources[3].start = INT_34XX_EHCI_IRQ;
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setup_ehci_io_mux(pdata->port_mode);
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} else if (cpu_is_omap44xx()) {
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ehci_resources[0].start = OMAP44XX_HSUSB_EHCI_BASE;
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ehci_resources[0].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1;
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ehci_resources[1].start = OMAP44XX_UHH_CONFIG_BASE;
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ehci_resources[1].end = OMAP44XX_UHH_CONFIG_BASE + SZ_2K - 1;
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ehci_resources[2].start = OMAP44XX_USBTLL_BASE;
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ehci_resources[2].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1;
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ehci_resources[3].start = OMAP44XX_IRQ_EHCI;
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setup_4430ehci_io_mux(pdata->port_mode);
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}
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if (platform_device_register(&ehci_device) < 0) {
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printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
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