portsc |= PORT_PTS_PTW;
/* fall through */
case FSL_USB2_PHY_UTMI:
+ /* Presence of this node "has_fsl_erratum_a006918"
+ * in device-tree is used to stop USB controller
+ * initialization in Linux
+ */
+ if (pdata->has_fsl_erratum_a006918) {
+ dev_warn(dev, "USB PHY clock invalid\n");
+ return -EINVAL;
+ }
+ /* fall through */
case FSL_USB2_PHY_UTMI_DUAL:
/* PHY_CLK_VALID bit is de-featured from all controller
* versions below 2.4 and is to be checked only for
of_property_read_bool(np, "fsl,usb-erratum-a005275");
pdata->has_fsl_erratum_a005697 =
of_property_read_bool(np, "fsl,usb_erratum-a005697");
+ pdata->has_fsl_erratum_a006918 =
+ of_property_read_bool(np, "fsl,usb_erratum-a006918");
if (of_get_property(np, "fsl,usb_erratum_14", NULL))
pdata->has_fsl_erratum_14 = 1;
else
pdata->has_fsl_erratum_14 = 0;
-
/*
* Determine whether phy_clk_valid needs to be checked
* by reading property in device tree