xref: /freebsd/sys/contrib/device-tree/Bindings/ata/mediatek,mtk-ahci.yaml (revision 01950c46b8155250f64374fb72fc11faa44bf099)

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/ata/mediatek,mtk-ahci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MediaTek Serial ATA controller

maintainers:
  - Ryder Lee <ryder.lee@mediatek.com>

allOf:
  - $ref: ahci-common.yaml#

properties:
  compatible:
    items:
      - enum:
          - mediatek,mt7622-ahci
      - const: mediatek,mtk-ahci

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  interrupt-names:
    const: hostc

  clocks:
    maxItems: 5

  clock-names:
    items:
      - const: ahb
      - const: axi
      - const: asic
      - const: rbc
      - const: pm

  power-domains:
    maxItems: 1

  resets:
    maxItems: 3

  reset-names:
    items:
      - const: axi
      - const: sw
      - const: reg

  mediatek,phy-mode:
    description: System controller phandle, used to enable SATA function
    $ref: /schemas/types.yaml#/definitions/phandle

required:
  - reg
  - interrupts
  - interrupt-names
  - clocks
  - clock-names
  - phys
  - phy-names
  - ports-implemented

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/mt7622-clk.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/phy/phy.h>
    #include <dt-bindings/power/mt7622-power.h>
    #include <dt-bindings/reset/mt7622-reset.h>

    sata@1a200000 {
        compatible = "mediatek,mt7622-ahci", "mediatek,mtk-ahci";
        reg = <0x1a200000 0x1100>;
        interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-names = "hostc";
        clocks = <&pciesys CLK_SATA_AHB_EN>,
                 <&pciesys CLK_SATA_AXI_EN>,
                 <&pciesys CLK_SATA_ASIC_EN>,
                 <&pciesys CLK_SATA_RBC_EN>,
                 <&pciesys CLK_SATA_PM_EN>;
        clock-names = "ahb", "axi", "asic", "rbc", "pm";
        phys = <&u3port1 PHY_TYPE_SATA>;
        phy-names = "sata-phy";
        ports-implemented = <0x1>;
        power-domains = <&scpsys MT7622_POWER_DOMAIN_HIF0>;
        resets = <&pciesys MT7622_SATA_AXI_BUS_RST>,
                 <&pciesys MT7622_SATA_PHY_SW_RST>,
                 <&pciesys MT7622_SATA_PHY_REG_RST>;
        reset-names = "axi", "sw", "reg";
        mediatek,phy-mode = <&pciesys>;
    };