Commit 114508a8 authored by Inochi Amaoto's avatar Inochi Amaoto Committed by Jakub Kicinski
Browse files

dt-bindings: net: Add support for Sophgo SG2044 dwmac 



The GMAC IP on SG2044 is almost a standard Synopsys DesignWare
MAC (version 5.30a) with some extra clock.

Add necessary compatible string for this device.

Signed-off-by: default avatarInochi Amaoto <inochiama@gmail.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250307011623.440792-2-inochiama@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent c8be7018

Documentation/devicetree/bindings/net/snps,dwmac.yaml

+4 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ select: 
          - snps,dwmac-4.20a

          - snps,dwmac-5.10a

          - snps,dwmac-5.20

          - snps,dwmac-5.30a

          - snps,dwxgmac

          - snps,dwxgmac-2.10
@@ -98,8 +99,10 @@ properties: 
        - snps,dwmac-4.20a

        - snps,dwmac-5.10a

        - snps,dwmac-5.20

        - snps,dwmac-5.30a

        - snps,dwxgmac

        - snps,dwxgmac-2.10

        - sophgo,sg2044-dwmac

        - starfive,jh7100-dwmac

        - starfive,jh7110-dwmac

        - tesla,fsd-ethqos
@@ -632,6 +635,7 @@ allOf: 
                - snps,dwmac-4.20a

                - snps,dwmac-5.10a

                - snps,dwmac-5.20

                - snps,dwmac-5.30a

                - snps,dwxgmac

                - snps,dwxgmac-2.10

                - st,spear600-gmac

Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml

0 → 100644
+126 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/net/sophgo,sg2044-dwmac.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Sophgo SG2044 DWMAC glue layer



maintainers:

  - Inochi Amaoto <inochiama@gmail.com>



select:

  properties:

    compatible:

      contains:

        enum:

          - sophgo,sg2044-dwmac

  required:

    - compatible



properties:

  compatible:

    items:

      - const: sophgo,sg2044-dwmac

      - const: snps,dwmac-5.30a



  reg:

    maxItems: 1



  clocks:

    items:

      - description: GMAC main clock

      - description: PTP clock

      - description: TX clock



  clock-names:

    items:

      - const: stmmaceth

      - const: ptp_ref

      - const: tx



  dma-noncoherent: true



  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@30006000 {

      compatible = "sophgo,sg2044-dwmac", "snps,dwmac-5.30a";

      reg = <0x30006000 0x4000>;

      clocks = <&clk 151>, <&clk 152>, <&clk 154>;

      clock-names = "stmmaceth", "ptp_ref", "tx";

      interrupt-parent = <&intc>;

      interrupts = <296 IRQ_TYPE_LEVEL_HIGH>;

      interrupt-names = "macirq";

      resets = <&rst 30>;

      reset-names = "stmmaceth";

      snps,multicast-filter-bins = <0>;

      snps,perfect-filter-entries = <1>;

      snps,aal;

      snps,tso;

      snps,txpbl = <32>;

      snps,rxpbl = <32>;

      snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;

      snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;

      snps,axi-config = <&gmac0_stmmac_axi_setup>;

      status = "disabled";



      gmac0_mtl_rx_setup: rx-queues-config {

        snps,rx-queues-to-use = <8>;

        snps,rx-sched-wsp;

        queue0 {};

        queue1 {};

        queue2 {};

        queue3 {};

        queue4 {};

        queue5 {};

        queue6 {};

        queue7 {};

      };



      gmac0_mtl_tx_setup: tx-queues-config {

        snps,tx-queues-to-use = <8>;

        queue0 {};

        queue1 {};

        queue2 {};

        queue3 {};

        queue4 {};

        queue5 {};

        queue6 {};

        queue7 {};

      };



      gmac0_stmmac_axi_setup: stmmac-axi-config {

        snps,blen = <16 8 4 0 0 0 0>;

        snps,wr_osr_lmt = <1>;

        snps,rd_osr_lmt = <2>;

      };

    };