Loading Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt +1 −0 Original line number Original line Diff line number Diff line Loading @@ -19,6 +19,7 @@ Optional properties: - qcom,vbus-valid-override: If present, indicates VBUS pin is not connected to - qcom,vbus-valid-override: If present, indicates VBUS pin is not connected to the USB PHY and the controller must rely on external VBUS notification in the USB PHY and the controller must rely on external VBUS notification in order to manually relay the notification to the SSPHY. order to manually relay the notification to the SSPHY. -qcom,keep-powerdown: If present, power down the SSPHY to avoid leakage current. Example: Example: ssphy@f9200000 { ssphy@f9200000 { Loading drivers/usb/phy/phy-msm-ssusb.c +11 −0 Original line number Original line Diff line number Diff line Loading @@ -402,6 +402,17 @@ static int msm_ssphy_probe(struct platform_device *pdev) if (of_property_read_bool(dev->of_node, "qcom,vbus-valid-override")) if (of_property_read_bool(dev->of_node, "qcom,vbus-valid-override")) phy->phy.flags |= PHY_VBUS_VALID_OVERRIDE; phy->phy.flags |= PHY_VBUS_VALID_OVERRIDE; /* Power down PHY to avoid leakage at 1.8V LDO */ if (of_property_read_bool(dev->of_node, "qcom,keep-powerdown")) { msm_ssusb_ldo_enable(phy, 1); msm_ssusb_enable_clocks(phy); msm_usb_write_readback(phy->base, SS_PHY_CTRL4, TEST_POWERDOWN, TEST_POWERDOWN); msm_ssusb_disable_clocks(phy); msm_ssusb_ldo_enable(phy, 0); msm_ssusb_config_vdd(phy, 0); } phy->phy.init = msm_ssphy_init; phy->phy.init = msm_ssphy_init; phy->phy.set_suspend = msm_ssphy_set_suspend; phy->phy.set_suspend = msm_ssphy_set_suspend; phy->phy.notify_connect = msm_ssphy_notify_connect; phy->phy.notify_connect = msm_ssphy_notify_connect; Loading Loading
Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt +1 −0 Original line number Original line Diff line number Diff line Loading @@ -19,6 +19,7 @@ Optional properties: - qcom,vbus-valid-override: If present, indicates VBUS pin is not connected to - qcom,vbus-valid-override: If present, indicates VBUS pin is not connected to the USB PHY and the controller must rely on external VBUS notification in the USB PHY and the controller must rely on external VBUS notification in order to manually relay the notification to the SSPHY. order to manually relay the notification to the SSPHY. -qcom,keep-powerdown: If present, power down the SSPHY to avoid leakage current. Example: Example: ssphy@f9200000 { ssphy@f9200000 { Loading
drivers/usb/phy/phy-msm-ssusb.c +11 −0 Original line number Original line Diff line number Diff line Loading @@ -402,6 +402,17 @@ static int msm_ssphy_probe(struct platform_device *pdev) if (of_property_read_bool(dev->of_node, "qcom,vbus-valid-override")) if (of_property_read_bool(dev->of_node, "qcom,vbus-valid-override")) phy->phy.flags |= PHY_VBUS_VALID_OVERRIDE; phy->phy.flags |= PHY_VBUS_VALID_OVERRIDE; /* Power down PHY to avoid leakage at 1.8V LDO */ if (of_property_read_bool(dev->of_node, "qcom,keep-powerdown")) { msm_ssusb_ldo_enable(phy, 1); msm_ssusb_enable_clocks(phy); msm_usb_write_readback(phy->base, SS_PHY_CTRL4, TEST_POWERDOWN, TEST_POWERDOWN); msm_ssusb_disable_clocks(phy); msm_ssusb_ldo_enable(phy, 0); msm_ssusb_config_vdd(phy, 0); } phy->phy.init = msm_ssphy_init; phy->phy.init = msm_ssphy_init; phy->phy.set_suspend = msm_ssphy_set_suspend; phy->phy.set_suspend = msm_ssphy_set_suspend; phy->phy.notify_connect = msm_ssphy_notify_connect; phy->phy.notify_connect = msm_ssphy_notify_connect; Loading
