Add support for hisi-inno-usb2 phy. Signed-off-by: Jiancheng Xue <xuejiancheng@xxxxxxxxxxxxx> --- .../devicetree/bindings/phy/phy-hisi-inno-usb2.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-hisi-inno-usb2.txt diff --git a/Documentation/devicetree/bindings/phy/phy-hisi-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-hisi-inno-usb2.txt new file mode 100644 index 0000000..21f8208 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-hisi-inno-usb2.txt @@ -0,0 +1,36 @@ +HiSilicon INNO USB2 PHY +----------------------- +Required properties: +- compatible: Should be one of the following strings: + "hisilicon,inno-usb2-phy", + "hisilicon,hi3798cv200-usb2-phy", +- #phy-cells: Must be 0 +- hisilicon,peripheral-syscon: Phandle of syscon used to control phy. +- clocks: Phandle and clock specifier pair for reference clock utmi_refclk. +- resets: List of phandle and reset specifier pairs for each reset signal in +reset-names. +- reset-names: Should be "por_rst" and "test_rst". The test_rst only +exists in some of SOCs, so it is optional. + +Phy node can include up to four subnodes. Each subnode represents one port. +The required properties of port node are as follows: +- clocks: Phandle and clock specifier pair for utmi_clock. +- resets: List of phandle and reset specifier pairs for port reset and utmi reset. +- reset-names: List of reset signal names. Should be "port_rst" and "utmi_rst" + +Refer to phy/phy-bindings.txt for the generic PHY binding properties + +Example: +usb_phy: phy { + compatible = "hisilicon,inno_usb2_phy"; + #phy-cells = <0>; + hisilicon,peripheral-syscon = <&peri_ctrl>; + clocks = <&crg USB2_REF_CLK>; + resets = <&crg 0xb4 2>; + reset-names = "por_rst"; + port0 { + clocks = <&crg USB2_UTMI0_CLK>; + resets = <&crg 0xb4 5>, <&crg 0xb4 1>; + reset-names = "port_rst", "utmi_rst"; + }; + }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html