From: Anand Gadiyar <gadiyar@xxxxxx>
- Add platform init code for EHCI on OMAP4
- Add pad configuration for PHY and TLL modes
Signed-off-by: Anand Gadiyar <gadiyar@xxxxxx>
Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap2/usb-ehci.c | 144 +++++++++++++++++++++++++++++++++++++--
1 files changed, 136 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c
index b11bf38..25eeada 100644
--- a/arch/arm/mach-omap2/usb-ehci.c
+++ b/arch/arm/mach-omap2/usb-ehci.c
@@ -34,22 +34,15 @@
static struct resource ehci_resources[] = {
{
- .start = OMAP34XX_EHCI_BASE,
- .end = OMAP34XX_EHCI_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_EHCI_IRQ,
.flags = IORESOURCE_IRQ,
}
};
@@ -214,13 +207,148 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
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())
+ 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);
+ }
if (platform_device_register(&ehci_device) < 0) {
printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
--
1.7.3.2
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