^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) APM X-Gene SoC MDIO node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) MDIO node is defined to describe on-chip MDIO controller.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) - compatible: Must be "apm,xgene-mdio-rgmii" or "apm,xgene-mdio-xfi"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) - #address-cells: Must be <1>.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) - #size-cells: Must be <0>.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) - reg: Address and length of the register set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) - clocks: Reference to the clock entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) For the phys on the mdio bus, there must be a node with the following fields:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) - compatible: PHY identifier. Please refer ./phy.txt for the format.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) - reg: The ID number for the phy.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) mdio: mdio@17020000 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) compatible = "apm,xgene-mdio-rgmii";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #address-cells = <1>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #size-cells = <0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) reg = <0x0 0x17020000 0x0 0xd100>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) clocks = <&menetclk 0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /* Board-specific peripheral configurations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) &mdio {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) menetphy: phy@3 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) reg = <0x3>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) sgenet0phy: phy@4 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) reg = <0x4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) sgenet1phy: phy@5 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) reg = <0x5>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };