Hello. On 19-11-2010 19:07, srinath@xxxxxxxxxxxxxxxxxxxx wrote:
From: Srinath<srinath@xxxxxxxxxxxxxxxxxxxx>
AM3517/05 Craneboard has one EHCI interface on board using port1.
GPIO35 is used as power enable. GPIO38 is used as port1 PHY reset.
Signed-off-by: Srinath<srinath@xxxxxxxxxxxxxxxxxxxx> --- arch/arm/mach-omap2/board-am3517crane.c | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c index 13ead33..0e1a806 100644 --- a/arch/arm/mach-omap2/board-am3517crane.c +++ b/arch/arm/mach-omap2/board-am3517crane.c
[...]
@@ -53,10 +55,29 @@ static void __init am3517_crane_init_irq(void) omap_gpio_init(); } +static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { + .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 = true, + .reset_gpio_port[0] = 38, + .reset_gpio_port[1] = -EINVAL, + .reset_gpio_port[2] = -EINVAL +}; + static void __init am3517_crane_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); omap_serial_init(); + + /* Configure GPIO for EHCI port */ + omap_mux_init_gpio(35, OMAP_PIN_OUTPUT); + gpio_request(35, "usb_ehci_enable"); + gpio_direction_output(35, 1); + gpio_set_value(35, 1);
There's no need to call gpio_set_value(), as gpio_direction_output() has already set the GPIO's value.
WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html