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-rw-r--r--arch/arm/mach-tegra/devices.c3
-rw-r--r--drivers/usb/host/ehci-tegra.c13
-rw-r--r--include/linux/platform_data/tegra_usb.h1
3 files changed, 11 insertions, 6 deletions
diff --git a/arch/arm/mach-tegra/devices.c b/arch/arm/mach-tegra/devices.c
index 5f6b867..748b40c 100644
--- a/arch/arm/mach-tegra/devices.c
+++ b/arch/arm/mach-tegra/devices.c
@@ -448,17 +448,20 @@ static struct tegra_ulpi_config tegra_ehci2_ulpi_phy_config = {
struct tegra_ehci_platform_data tegra_ehci1_pdata = {
.operating_mode = TEGRA_USB_OTG,
.power_down_on_bus_suspend = 1,
+ .vbus_gpio = -1,
};
struct tegra_ehci_platform_data tegra_ehci2_pdata = {
.phy_config = &tegra_ehci2_ulpi_phy_config,
.operating_mode = TEGRA_USB_HOST,
.power_down_on_bus_suspend = 1,
+ .vbus_gpio = -1,
};
struct tegra_ehci_platform_data tegra_ehci3_pdata = {
.operating_mode = TEGRA_USB_HOST,
.power_down_on_bus_suspend = 1,
+ .vbus_gpio = -1,
};
static u64 tegra_ehci_dmamask = DMA_BIT_MASK(32);
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 73544bd..9692bef 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -581,15 +581,16 @@ static const struct hc_driver tegra_ehci_hc_driver = {
.port_handed_over = ehci_port_handed_over,
};
-static int setup_vbus_gpio(struct platform_device *pdev)
+static int setup_vbus_gpio(struct platform_device *pdev,
+ struct tegra_ehci_platform_data *pdata)
{
int err = 0;
int gpio;
- if (!pdev->dev.of_node)
- return 0;
-
- gpio = of_get_named_gpio(pdev->dev.of_node, "nvidia,vbus-gpio", 0);
+ gpio = pdata->vbus_gpio;
+ if (!gpio_is_valid(gpio))
+ gpio = of_get_named_gpio(pdev->dev.of_node,
+ "nvidia,vbus-gpio", 0);
if (!gpio_is_valid(gpio))
return 0;
@@ -633,7 +634,7 @@ static int tegra_ehci_probe(struct platform_device *pdev)
if (!pdev->dev.dma_mask)
pdev->dev.dma_mask = &tegra_ehci_dma_mask;
- setup_vbus_gpio(pdev);
+ setup_vbus_gpio(pdev, pdata);
tegra = kzalloc(sizeof(struct tegra_ehci_hcd), GFP_KERNEL);
if (!tegra)
diff --git a/include/linux/platform_data/tegra_usb.h b/include/linux/platform_data/tegra_usb.h
index 6bca5b5..66c673f 100644
--- a/include/linux/platform_data/tegra_usb.h
+++ b/include/linux/platform_data/tegra_usb.h
@@ -26,6 +26,7 @@ struct tegra_ehci_platform_data {
/* power down the phy on bus suspend */
int power_down_on_bus_suspend;
void *phy_config;
+ int vbus_gpio;
};
#endif /* _TEGRA_USB_H_ */
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