From: Vivek Gautam > This has been on my to-do list for sometime. > Until now the host controller (specifically ehci-exynos) is responsible > for enabling VBUS supply. This opens up one more issue which is, when > only ohci-exynos is enabled and ehci-exynosis disabled then VBUS was > never enabled (since ohci did not have the code to enabled the VBUS supply). > > Rather it should be wise to move the VBUS related stuff to phy driver and > let phy take care of enabling it. > > This patch series adds that VBUS regulator to phy-samsung-usb2 driver, > adds necessary binding information as well as vbus-supply properties > to phy nodes on exynos5250 systems. ... Does this go anyway to allowing devices to be powered from a micro-usb connector while acting as a USB host (USB OTG). ie when you want VBUS disabled even though it would normally need to be enabled. David -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
