Commit f4ea385a authored by Robert Hancock's avatar Robert Hancock Committed by David S. Miller
Browse files

dt-bindings: net: cdns,macb: added generic PHY and reset mappings for ZynqMP



Updated macb DT binding documentation to reflect the phy-names, phys,
resets, reset-names properties which are now used with ZynqMP GEM
devices, and added a ZynqMP-specific DT example.

Signed-off-by: default avatarRobert Hancock <robert.hancock@calian.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0a781172
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+56 −0
Original line number Diff line number Diff line
@@ -81,6 +81,25 @@ properties:

  phy-handle: true

  phys:
    maxItems: 1

  phy-names:
    const: sgmii-phy
    description:
      Required with ZynqMP SoC when in SGMII mode.
      Should reference PS-GTR generic PHY device for this controller
      instance. See ZynqMP example.

  resets:
    maxItems: 1
    description:
      Recommended with ZynqMP, specify reset control for this
      controller instance with zynqmp-reset driver.

  reset-names:
    maxItems: 1

  fixed-link: true

  iommus:
@@ -157,3 +176,40 @@ examples:
                    reset-gpios = <&pioE 6 1>;
            };
    };

  - |
    #include <dt-bindings/clock/xlnx-zynqmp-clk.h>
    #include <dt-bindings/power/xlnx-zynqmp-power.h>
    #include <dt-bindings/reset/xlnx-zynqmp-resets.h>
    #include <dt-bindings/phy/phy.h>

    bus {
            #address-cells = <2>;
            #size-cells = <2>;
            gem1: ethernet@ff0c0000 {
                    compatible = "cdns,zynqmp-gem", "cdns,gem";
                    interrupt-parent = <&gic>;
                    interrupts = <0 59 4>, <0 59 4>;
                    reg = <0x0 0xff0c0000 0x0 0x1000>;
                    clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM1_REF>,
                             <&zynqmp_clk GEM1_TX>, <&zynqmp_clk GEM1_RX>,
                             <&zynqmp_clk GEM_TSU>;
                    clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
                    #address-cells = <1>;
                    #size-cells = <0>;
                    #stream-id-cells = <1>;
                    iommus = <&smmu 0x875>;
                    power-domains = <&zynqmp_firmware PD_ETH_1>;
                    resets = <&zynqmp_reset ZYNQMP_RESET_GEM1>;
                    reset-names = "gem1_rst";
                    status = "okay";
                    phy-mode = "sgmii";
                    phy-names = "sgmii-phy";
                    phys = <&psgtr 1 PHY_TYPE_SGMII 1 1>;
                    fixed-link {
                            speed = <1000>;
                            full-duplex;
                            pause;
                    };
            };
    };