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usb: phy: tegra: Use DT helpers for phy_type 

Use the new of_usb_get_phy_mode helper function for parsing phy_type
from the device tree.

Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Tuomas Tynkkynen 2013-07-25 21:38:08 +03:00 committed by Felipe Balbi
parent 3b102e8bc0
commit 9fdb07f720
1 changed files with 8 additions and 4 deletions
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12
drivers/usb/phy/phy-tegra-usb.c
View File

@ -31,6 +31,7 @@
#include <linux/of_gpio.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <linux/usb/of.h>
#include <asm/mach-types.h>
#include <linux/usb/ehci_def.h>
#include <linux/usb/tegra_usb_phy.h>
@ -860,6 +861,7 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
struct resource *res;
struct tegra_usb_phy *tegra_phy = NULL;
struct device_node *np = pdev->dev.of_node;
enum usb_phy_interface phy_type;
int err;
tegra_phy = devm_kzalloc(&pdev->dev, sizeof(*tegra_phy), GFP_KERNEL);
@ -884,12 +886,12 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
tegra_phy->is_legacy_phy =
of_property_read_bool(np, "nvidia,has-legacy-mode");
err = of_property_match_string(np, "phy_type", "ulpi");
if (err < 0) {
phy_type = of_usb_get_phy_mode(np);
if (phy_type == USBPHY_INTERFACE_MODE_UTMI) {
err = utmi_phy_probe(tegra_phy, pdev);
if (err < 0)
return err;
} else {
} else if (phy_type == USBPHY_INTERFACE_MODE_ULPI) {
tegra_phy->is_ulpi_phy = true;
tegra_phy->reset_gpio =
@ -899,8 +901,10 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
tegra_phy->reset_gpio);
return tegra_phy->reset_gpio;
}
tegra_phy->config = NULL;
} else {
dev_err(&pdev->dev, "phy_type is invalid or unsupported\n");
return -EINVAL;
}
err = of_property_match_string(np, "dr_mode", "otg");