On Tue, Aug 14, 2018 at 02:12:13AM -0400, Hanjie Lin wrote: > From: Yue Wang <yue.wang@xxxxxxxxxxx> Subject should be "dt-bindings: phy: ..." > The Meson-PCIE-PHY controller supports the 5-Gbps data rate > of the PCI Express Gen 2 specification and is backwardcompatible space ^ > with the 2.5-Gbps Gen 1.1 specification with only > inferred idle detection supported on AMLOGIC SoCs. AMLOGIC or Amlogic? > > Signed-off-by: Hanjie Lin <hanjie.lin@xxxxxxxxxxx> > Signed-off-by: Yue Wang <yue.wang@xxxxxxxxxxx> > --- > .../bindings/phy/amlogic,meson-pcie-phy.txt | 31 ++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/amlogic,meson-pcie-phy.txt > > diff --git a/Documentation/devicetree/bindings/phy/amlogic,meson-pcie-phy.txt b/Documentation/devicetree/bindings/phy/amlogic,meson-pcie-phy.txt > new file mode 100644 > index 0000000..db99085 > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/amlogic,meson-pcie-phy.txt > @@ -0,0 +1,31 @@ > +* Amlogic Meson AXG PCIE PHY binding > + > +Required properties: > +- compatible: Should be > + - "amlogic,axg-pcie-phy" > +- #phys-cells: must be 0 (see phy-bindings.txt in this directory) You don't need to distinguish port A and B? > +- reg: The base address and length of the registers > +- resets: phandle to the reset lines > +- reset-names: must contain "phy" and "peripheral" > + - "port_a" Port A reset > + - "port_b" Port B reset > + - "phy" PHY reset > + - "apb" APB reset > +Optional properties: > +- phy-supply: see phy-bindings.txt in this directory > + > +Example: > + pcie_phy: pcie-phy@ff644000 { > + #phy-cells = <0>; > + compatible = "amlogic,axg-pcie-phy"; > + reg = <0x0 0xff644000 0x0 0x2000>; > + resets = <&reset RESET_PCIE_A>, > + <&reset RESET_PCIE_B>, > + <&reset RESET_PCIE_PHY>, > + <&reset RESET_PCIE_APB>; > + reset-names = > + "port_a", > + "port_b", > + "phy", > + "apb"; > + }; > -- > 2.7.4 >