Hi, On Friday 23 September 2016 08:22 PM, Rob Herring wrote: > On Wed, Sep 14, 2016 at 10:42:04AM +0530, Kishon Vijay Abraham I wrote: >> The PCIe controller integrated in dra7xx SoCs is capable of operating >> in endpoint mode. Add support for dra7xx SoCs to operate in endpoint >> mode. >> >> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> >> --- >> Documentation/devicetree/bindings/pci/ti-pci.txt | 30 ++- >> drivers/pci/controller/Kconfig | 21 +++ >> drivers/pci/controller/pci-dra7xx.c | 211 +++++++++++++++++++--- >> 3 files changed, 225 insertions(+), 37 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/pci/ti-pci.txt b/Documentation/devicetree/bindings/pci/ti-pci.txt >> index 60e2516..b0e76f6 100644 >> --- a/Documentation/devicetree/bindings/pci/ti-pci.txt >> +++ b/Documentation/devicetree/bindings/pci/ti-pci.txt >> @@ -1,17 +1,22 @@ >> TI PCI Controllers >> >> PCIe Designware Controller >> - - compatible: Should be "ti,dra7-pcie"" >> - - reg : Two register ranges as listed in the reg-names property >> - - reg-names : The first entry must be "ti-conf" for the TI specific registers >> - The second entry must be "rc-dbics" for the designware pcie >> - registers >> - The third entry must be "config" for the PCIe configuration space >> + - compatible: Should be "ti,dra7-pcie" for RC >> + Should be "ti,dra7-pcie-ep" for EP >> - phys : list of PHY specifiers (used by generic PHY framework) >> - phy-names : must be "pcie-phy0", "pcie-phy1", "pcie-phyN".. based on the >> number of PHYs as specified in *phys* property. >> - ti,hwmods : Name of the hwmod associated to the pcie, "pcie<X>", >> where <X> is the instance number of the pcie from the HW spec. >> + - num-lanes as specified in ../designware-pcie.txt >> + >> +HOST MODE >> +========= >> + - reg : Two register ranges as listed in the reg-names property >> + - reg-names : The first entry must be "ti-conf" for the TI specific registers >> + The second entry must be "rc-dbics" for the designware pcie >> + registers >> + The third entry must be "config" for the PCIe configuration space >> - interrupts : Two interrupt entries must be specified. The first one is for >> main interrupt line and the second for MSI interrupt line. >> - #address-cells, >> @@ -19,13 +24,24 @@ PCIe Designware Controller >> #interrupt-cells, >> device_type, >> ranges, >> - num-lanes, >> interrupt-map-mask, >> interrupt-map : as specified in ../designware-pcie.txt >> >> Optional Property: >> - gpios : Should be added if a gpio line is required to drive PERST# line > > Don't you need gpios as the input side of GPIO outputs in RC mode? Or > for EP mode they are all handled by h/w? I couldn't find any mention of the gpios being used in EP mode. I'll check this again. Thanks Kishon -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
