On Mon 23 Nov 01:29 PST 2015, Stanimir Varbanov wrote: > From: Stanimir Varbanov <svarbanov@xxxxxxxxxx> > > Document Qualcomm PCIe driver devicetree bindings. > > Signed-off-by: Stanimir Varbanov <svarbanov@xxxxxxxxxx> > Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx> > --- > .../devicetree/bindings/pci/qcom,pcie.txt | 231 ++++++++++++++++++++ > 1 file changed, 231 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie.txt > > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt > new file mode 100644 > index 000000000000..d7640d45fa31 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt > @@ -0,0 +1,231 @@ > +* Qualcomm PCI express root complex > + > +- compatible: > + Usage: required > + Value type: <stringlist> > + Definition: Value shall include > + - "qcom,pcie-v0" for apq/ipq8064 > + - "qcom,pcie-v1" for apq8084 Do you know if we have the same v1 of this block in 8994? [..] > +- clock-names: > + Usage: required > + Value type: <stringlist> > + Definition: Should contain the following entries > + * should be populated for v0 and v1 > + - "iface" Configuration AHB clock > + > + * should be populated for v0 > + - "core" Clocks the pcie hw block > + - "phy" Clocks the pcie PHY block > + > + * should be populated for v1 > + - "aux" Auxiliary (AUX) clock > + - "bus_master" Master AXI clock > + - "bus_slave" Slave AXI clock You have white spaces among your tabs here. [..] > +- <name>-supply: > + Usage: required > + Value type: <phandle> > + Definition: List of phandles to the power supply regulator(s) > + * should be populated for v0 and v1 > + - "vdda" core analog power supply > + > + * should be populated for v0 > + - "vdda_phy" analog power supply for PHY > + - "vdda_refclk" analog power supply for IC which generate > + reference clock Exploding these into 3 different property descriptions would make it easier to read, and you can say "required for v0" for the latter two and simply "required" on the vdda. [..] > +- <name>-gpio: > + Usage: optional > + Value type: <prop-encoded-array> > + Definition: List of phandle and gpio specifier pairs. Should contain > + - "perst" PCIe endpoint reset signal line > + - "pewake" PCIe endpoint wake signal line This property should be pluralized, i.e. it's <name>-gpios. Are these identifiers coming from some data sheet? Or could we simply name them "reset" and "wakeup"? > + > +- pinctrl-0: > + Usage: required > + Value type: <phandle> > + Definition: List of phandles pointing at a pin(s) configuration This is not required and as it's a property applicable to all devices we normally don't mention them. > + > +- pinctrl-names > + Usage: required > + Value type: <stringlist> > + Definition: List of names of pinctrl-0 state > + dito Regards, Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
