Documentation/devicetree/bindings/net/sophgo,cv1800b-dwmac.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/sophgo,cv1800b-dwmac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Sophgo CV1800B DWMAC glue layer

maintainers:
  - Inochi Amaoto <inochiama@gmail.com>

select:
  properties:
    compatible:
      contains:
        enum:
          - sophgo,cv1800b-dwmac
  required:
    - compatible

properties:
  compatible:
    items:
      - const: sophgo,cv1800b-dwmac
      - const: snps,dwmac-3.70a

  reg:
    maxItems: 1

  clocks:
    items:
      - description: GMAC main clock
      - description: PTP clock

  clock-names:
    items:
      - const: stmmaceth
      - const: ptp_ref

  interrupts:
    maxItems: 1

  interrupt-names:
    maxItems: 1

  resets:
    maxItems: 1

  reset-names:
    const: stmmaceth

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - interrupts
  - interrupt-names
  - resets
  - reset-names

allOf:
  - $ref: snps,dwmac.yaml#

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>

    ethernet@4070000 {
      compatible = "sophgo,cv1800b-dwmac", "snps,dwmac-3.70a";
      reg = <0x04070000 0x10000>;
      clocks = <&clk 35>, <&clk 36>;
      clock-names = "stmmaceth", "ptp_ref";
      interrupts = <31 IRQ_TYPE_LEVEL_HIGH>;
      interrupt-names = "macirq";
      phy-handle = <&internal_ephy>;
      phy-mode = "internal";
      resets = <&rst 12>;
      reset-names = "stmmaceth";
      rx-fifo-depth = <8192>;
      tx-fifo-depth = <8192>;
      snps,multicast-filter-bins = <0>;
      snps,perfect-filter-entries = <1>;
      snps,aal;
      snps,txpbl = <8>;
      snps,rxpbl = <8>;
      snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;
      snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;
      snps,axi-config = <&gmac0_stmmac_axi_setup>;

      mdio {
        compatible = "snps,dwmac-mdio";
        #address-cells = <1>;
        #size-cells = <0>;
      };

      gmac0_mtl_rx_setup: rx-queues-config {
        snps,rx-queues-to-use = <1>;
        queue0 {};
      };

      gmac0_mtl_tx_setup: tx-queues-config {
        snps,tx-queues-to-use = <1>;
        queue0 {};
      };

      gmac0_stmmac_axi_setup: stmmac-axi-config {
        snps,blen = <16 8 4 0 0 0 0>;
        snps,rd_osr_lmt = <2>;
        snps,wr_osr_lmt = <1>;
      };
    };