xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/ata/rockchip,dwc-ahci.yaml

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

title: Synopsys DWC AHCI SATA controller for Rockchip devices

maintainers:
  - Serge Semin <fancer.lancer@gmail.com>

description:
  This document defines device tree bindings for the Synopsys DWC
  implementation of the AHCI SATA controller found in Rockchip
  devices.

select:
  properties:
    compatible:
      contains:
        enum:
          - rockchip,rk3568-dwc-ahci
          - rockchip,rk3588-dwc-ahci
  required:
    - compatible

properties:
  compatible:
    items:
      - enum:
          - rockchip,rk3568-dwc-ahci
          - rockchip,rk3588-dwc-ahci
      - const: snps,dwc-ahci

  ports-implemented:
    const: 1

  sata-port@0:
    $ref: /schemas/ata/snps,dwc-ahci-common.yaml#/$defs/dwc-ahci-port

    properties:
      reg:
        const: 0

    unevaluatedProperties: false

patternProperties:
  "^sata-port@[1-9a-e]$": false

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names
  - ports-implemented

allOf:
  - $ref: snps,dwc-ahci-common.yaml#
  - if:
      properties:
        compatible:
          contains:
            enum:
              - rockchip,rk3588-dwc-ahci
    then:
      properties:
        clocks:
          maxItems: 5
        clock-names:
          items:
            - const: sata
            - const: pmalive
            - const: rxoob
            - const: ref
            - const: asic
  - if:
      properties:
        compatible:
          contains:
            enum:
              - rockchip,rk3568-dwc-ahci
    then:
      properties:
        clocks:
          maxItems: 3
        clock-names:
          items:
            - const: sata
            - const: pmalive
            - const: rxoob

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/rockchip,rk3588-cru.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/ata/ahci.h>
    #include <dt-bindings/phy/phy.h>

    sata@fe210000 {
      compatible = "rockchip,rk3588-dwc-ahci", "snps,dwc-ahci";
      reg = <0xfe210000 0x1000>;
      clocks = <&cru ACLK_SATA0>, <&cru CLK_PMALIVE0>,
               <&cru CLK_RXOOB0>, <&cru CLK_PIPEPHY0_REF>,
               <&cru CLK_PIPEPHY0_PIPE_ASIC_G>;
      clock-names = "sata", "pmalive", "rxoob", "ref", "asic";
      interrupts = <GIC_SPI 273 IRQ_TYPE_LEVEL_HIGH 0>;
      ports-implemented = <0x1>;
      #address-cells = <1>;
      #size-cells = <0>;

      sata-port@0 {
        reg = <0>;
        hba-port-cap = <HBA_PORT_FBSCP>;
        phys = <&combphy0_ps PHY_TYPE_SATA>;
        phy-names = "sata-phy";
        snps,rx-ts-max = <32>;
        snps,tx-ts-max = <32>;
      };
    };

...