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Commit 039401f3 authored by Igor Grinberg's avatar Igor Grinberg Committed by Tony Lindgren
Browse files

ARM: OMAP3: cm-t35: Add reset for USB hub 



USB hub is not functional until is reset.
Reset the USB hub on SB-T35.

Signed-off-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
[tony@atomide.com: updated subject]
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 19ce6439

arch/arm/mach-omap2/board-cm-t35.c

+20 −2
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ 
#include "common-board-devices.h"



#define CM_T35_GPIO_PENDOWN		57

#define SB_T35_USB_HUB_RESET_GPIO	167



#define CM_T35_SMSC911X_CS	5

#define CM_T35_SMSC911X_GPIO	163
@@ -436,6 +437,23 @@ static struct usbhs_omap_board_data usbhs_bdata __initdata = { 
	.reset_gpio_port[2]  = -EINVAL

};



static void cm_t35_init_usbh(void)

{

	int err;



	err = gpio_request_one(SB_T35_USB_HUB_RESET_GPIO,

			       GPIOF_OUT_INIT_LOW, "usb hub rst");

	if (err) {

		pr_err("SB-T35: usb hub rst gpio request failed: %d\n", err);

	} else {

		udelay(10);

		gpio_set_value(SB_T35_USB_HUB_RESET_GPIO, 1);

		msleep(1);

	}



	usbhs_init(&usbhs_bdata);

}



static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio,

				 unsigned ngpio)

{
@@ -624,7 +642,7 @@ static void __init cm_t3x_common_init(void) 
	cm_t35_init_display();



	usb_musb_init(NULL);

	usbhs_init(&usbhs_bdata);

	cm_t35_init_usbh();

}



static void __init cm_t35_init(void)