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path: root/drivers/usb/chipidea/ci_hdrc_imx.c
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Diffstat (limited to 'drivers/usb/chipidea/ci_hdrc_imx.c')
-rw-r--r--drivers/usb/chipidea/ci_hdrc_imx.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 3b45c25f296e..e431c5aafe35 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -20,7 +20,6 @@
struct ci_hdrc_imx_platform_flag {
unsigned int flags;
- bool runtime_pm;
};
static const struct ci_hdrc_imx_platform_flag imx23_usb_data = {
@@ -29,7 +28,7 @@ static const struct ci_hdrc_imx_platform_flag imx23_usb_data = {
};
static const struct ci_hdrc_imx_platform_flag imx27_usb_data = {
- CI_HDRC_DISABLE_STREAMING,
+ .flags = CI_HDRC_DISABLE_STREAMING,
};
static const struct ci_hdrc_imx_platform_flag imx28_usb_data = {
@@ -84,6 +83,7 @@ struct ci_hdrc_imx_data {
struct clk *clk;
struct imx_usbmisc_data *usbmisc_data;
bool supports_runtime_pm;
+ bool override_phy_control;
bool in_lpm;
/* SoC before i.mx6 (except imx23/imx28) needs three clks */
bool need_three_clks;
@@ -255,6 +255,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
int ret;
const struct of_device_id *of_id;
const struct ci_hdrc_imx_platform_flag *imx_platform_flag;
+ struct device_node *np = pdev->dev.of_node;
of_id = of_match_device(ci_hdrc_imx_dt_ids, &pdev->dev);
if (!of_id)
@@ -289,6 +290,14 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
}
pdata.usb_phy = data->phy;
+
+ if (of_device_is_compatible(np, "fsl,imx53-usb") && pdata.usb_phy &&
+ of_usb_get_phy_mode(np) == USBPHY_INTERFACE_MODE_ULPI) {
+ pdata.flags |= CI_HDRC_OVERRIDE_PHY_CONTROL;
+ data->override_phy_control = true;
+ usb_phy_init(pdata.usb_phy);
+ }
+
pdata.flags |= imx_platform_flag->flags;
if (pdata.flags & CI_HDRC_SUPPORTS_RUNTIME_PM)
data->supports_runtime_pm = true;
@@ -342,6 +351,8 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev)
pm_runtime_put_noidle(&pdev->dev);
}
ci_hdrc_remove_device(data->ci_pdev);
+ if (data->override_phy_control)
+ usb_phy_shutdown(data->phy);
imx_disable_unprepare_clks(&pdev->dev);
return 0;