On Mon, Oct 01, 2018 at 11:56:17PM +0300, Leonard Crestez wrote: > On some chips the PCIE and PCIE_PHY blocks are in separate power domains > which can be power-gated independently. The driver needs to handle this > by keeping both domain active. > > This is intended for imx6sx where PCIE is in DISPMIX and PCIE_PHY in > it's own domain. Defining the DISPMIX domain requires a way for pcie to > keep it active or it will break when displays are off. > > The power-domains on imx6sx are meant to look like this: > power-domains = <&pd_disp>, <&pd_pci>; > power-domain-names = "pcie", "pcie_phy"; > > Signed-off-by: Leonard Crestez <leonard.crestez@xxxxxxx> > Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > > --- > drivers/pci/controller/dwc/pci-imx6.c | 48 +++++++++++++++++++++++++++ > 1 file changed, 48 insertions(+) Bindings document fsl,imx6q-pcie.txt should probably be updated for the new power domain support. Shawn
