STM32 USBPHYC controls the USB PLL. PLL requires to be powered with 1v1 and 1v8 supplies. To ensure a good behavior of the PLL, during boot, runtime and suspend/resume sequences, this series reworks its management to fix regulators issues and improve PLL status reliability. Amelie Delaunay (6): dt-bindings: phy: phy-stm32-usbphyc: move PLL supplies to parent node phy: stm32: manage 1v1 and 1v8 supplies at pll activation/deactivation phy: stm32: replace regulator_bulk* by multiple regulator_* phy: stm32: ensure pll is disabled before phys creation phy: stm32: ensure phy are no more active when removing the driver phy: stm32: rework PLL Lock detection .../bindings/phy/phy-stm32-usbphyc.yaml | 22 +- drivers/phy/st/phy-stm32-usbphyc.c | 222 +++++++++++------- 2 files changed, 153 insertions(+), 91 deletions(-) -- 2.17.1
