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path: root/drivers/usb/otg
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Diffstat (limited to 'drivers/usb/otg')
-rw-r--r--drivers/usb/otg/ab8500-usb.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/otg/ab8500-usb.c b/drivers/usb/otg/ab8500-usb.c
index fd5943b7d38..fcd3847e6d5 100644
--- a/drivers/usb/otg/ab8500-usb.c
+++ b/drivers/usb/otg/ab8500-usb.c
@@ -35,6 +35,7 @@
#include <linux/mfd/ab8500.h>
#include <linux/regulator/consumer.h>
#include <mach/prcmu.h>
+#include <mach/usb.h>
#define AB8500_MAIN_WD_CTRL_REG 0x01
#define AB8500_USB_LINE_STAT_REG 0x80
@@ -99,6 +100,7 @@ struct ab8500_usb {
struct regulator *v_ape;
struct regulator *v_musb;
struct regulator *v_ulpi;
+ struct ab8500_usbgpio_platform_data *usb_gpio;
};
static inline struct ab8500_usb *xceiv_to_ab(struct otg_transceiver *x)
@@ -168,6 +170,8 @@ static void ab8500_usb_phy_enable(struct ab8500_usb *ab, bool sel_host)
bit = sel_host ? AB8500_BIT_PHY_CTRL_HOST_EN :
AB8500_BIT_PHY_CTRL_DEVICE_EN;
+ ab->usb_gpio->enable();
+
clk_enable(ab->sysclk);
ab8500_usb_regulator_ctrl(ab, sel_host, true);
@@ -215,6 +219,8 @@ static void ab8500_usb_phy_disable(struct ab8500_usb *ab, bool sel_host)
ab8500_usb_regulator_ctrl(ab, sel_host, false);
+ ab->usb_gpio->disable();
+
prcmu_qos_add_requirement(PRCMU_QOS_APE_OPP,
(char *)dev_name(ab->dev), 50);
}
@@ -354,6 +360,7 @@ static void ab8500_usb_phy_disable_work(struct work_struct *work)
if (!ab->otg.gadget)
ab8500_usb_peri_phy_dis(ab);
+
}
static unsigned ab8500_eyediagram_workaroud(struct ab8500_usb *ab, unsigned mA)
@@ -621,6 +628,8 @@ irq_fail:
static int __devinit ab8500_usb_probe(struct platform_device *pdev)
{
struct ab8500_usb *ab;
+ struct ab8500_platform_data *ab8500_pdata =
+ dev_get_platdata(pdev->dev.parent);
int err;
int rev;
@@ -646,6 +655,7 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev)
ab->otg.set_peripheral = ab8500_usb_set_peripheral;
ab->otg.set_suspend = ab8500_usb_set_suspend;
ab->otg.set_power = ab8500_usb_set_power;
+ ab->usb_gpio = ab8500_pdata->usb;
platform_set_drvdata(pdev, ab);
@@ -685,6 +695,10 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev)
/* Needed to enable ID detection. */
ab8500_usb_wd_workaround(ab);
+ err = ab->usb_gpio->get(ab->dev);
+ if (err < 0)
+ goto fail3;
+
prcmu_qos_add_requirement(PRCMU_QOS_APE_OPP,
(char *)dev_name(ab->dev), 50);
@@ -723,6 +737,8 @@ static int __devexit ab8500_usb_remove(struct platform_device *pdev)
ab8500_usb_regulator_put(ab);
+ ab->usb_gpio->put();
+
platform_set_drvdata(pdev, NULL);
kfree(ab);