^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) Lantiq XWAY SoC RCU USB 1.1/2.0 PHY binding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) ===========================================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) This binding describes the USB PHY hardware provided by the RCU module on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) Lantiq XWAY SoCs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) This node has to be a sub node of the Lantiq RCU block.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) -------------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) Required properties (controller (parent) node):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) - compatible : Should be one of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) "lantiq,ase-usb2-phy"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) "lantiq,danube-usb2-phy"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) "lantiq,xrx100-usb2-phy"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) "lantiq,xrx200-usb2-phy"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) "lantiq,xrx300-usb2-phy"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) - reg : Defines the following sets of registers in the parent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) syscon device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) - Offset of the USB PHY configuration register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) - Offset of the USB Analog configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) register (only for xrx200 and xrx200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) - clocks : References to the (PMU) "phy" clk gate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) - clock-names : Must be "phy"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) - resets : References to the RCU USB configuration reset bits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) - reset-names : Must be one of the following:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) "phy" (optional)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) "ctrl" (shared)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) -------------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) Example for the USB PHYs on an xRX200 SoC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) usb_phy0: usb2-phy@18 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) compatible = "lantiq,xrx200-usb2-phy";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) reg = <0x18 4>, <0x38 4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) clocks = <&pmu PMU_GATE_USB0_PHY>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) clock-names = "phy";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) resets = <&reset1 4 4>, <&reset0 4 4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) reset-names = "phy", "ctrl";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #phy-cells = <0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) };