The OMAP4 SDP has EHCI port1 hooked up to an external SMSC3320
transciever. GPIO 157 is used to power on the transceiver.
Signed-off-by: Keshava Munegowda <keshava_mgo...@ti.com>
Signed-off-by: Anand Gadiyar <gadi...@ti.com>
---
arch/arm/mach-omap2/board-4430sdp.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
Index: linux-2.6/arch/arm/mach-omap2/board-4430sdp.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-omap2/board-4430sdp.c
+++ linux-2.6/arch/arm/mach-omap2/board-4430sdp.c
@@ -40,6 +40,7 @@
#define ETH_KS8851_IRQ 34
#define ETH_KS8851_POWER_ON 48
#define ETH_KS8851_QUART 138
+#define OMAP4SDP_MDM_PWR_EN_GPIO 157
static struct gpio_led sdp4430_gpio_leds[] = {
{
@@ -412,6 +413,17 @@ static struct i2c_board_info __initdata
I2C_BOARD_INFO("tmp105", 0x48),
},
};
+
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+ .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
+ .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+ .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+ .phy_reset = false,
+ .reset_gpio_port[0] = -EINVAL,
+ .reset_gpio_port[1] = -EINVAL,
+ .reset_gpio_port[2] = -EINVAL
+};
+
static int __init omap4_i2c_init(void)
{
/*
@@ -434,6 +446,14 @@ static void __init omap_4430sdp_init(voi
platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
omap_serial_init();
omap4_twl6030_hsmmc_init(mmc);
+
+ /* Power on the ULPI PHY */
+ if (gpio_is_valid(OMAP4SDP_MDM_PWR_EN_GPIO)) {
+ /* FIXME: Assumes pad is muxed for GPIO mode */
+ gpio_request(OMAP4SDP_MDM_PWR_EN_GPIO, "USBB1 PHY VMDM_3V3");
+ gpio_direction_output(OMAP4SDP_MDM_PWR_EN_GPIO, 1);
+ }
+ usb_ehci_init(&ehci_pdata);
/* OMAP4 SDP uses internal transceiver so register nop transceiver */
usb_nop_xceiv_register();
/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
--
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