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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/ata/rockchip,dwc-ahci.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/ata/rockchip,dwc-ahci.yaml#

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

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title: Synopsys DWC AHCI SATA controller for Rockchip devices

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maintainers:

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

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description:

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  This document defines device tree bindings for the Synopsys DWC

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  implementation of the AHCI SATA controller found in Rockchip

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  devices.

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select:

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  properties:

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    compatible:

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      contains:

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        enum:

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          - rockchip,rk3568-dwc-ahci

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          - rockchip,rk3576-dwc-ahci

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          - rockchip,rk3588-dwc-ahci

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  required:

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    - compatible

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properties:

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  compatible:

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    items:

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      - enum:

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          - rockchip,rk3568-dwc-ahci

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          - rockchip,rk3576-dwc-ahci

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          - rockchip,rk3588-dwc-ahci

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      - const: snps,dwc-ahci

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  ports-implemented:

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    const: 1

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  power-domains:

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    maxItems: 1

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  sata-port@0:

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

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    properties:

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      reg:

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        const: 0

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    unevaluatedProperties: false

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patternProperties:

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

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required:

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  - compatible

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  - reg

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  - interrupts

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  - clocks

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  - clock-names

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  - ports-implemented

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allOf:

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  - $ref: snps,dwc-ahci-common.yaml#

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  - if:

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      properties:

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        compatible:

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          contains:

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            enum:

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              - rockchip,rk3588-dwc-ahci

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    then:

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      properties:

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        clocks:

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          maxItems: 5

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        clock-names:

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          items:

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            - const: sata

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            - const: pmalive

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            - const: rxoob

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            - const: ref

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            - const: asic

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  - if:

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      properties:

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        compatible:

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          contains:

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            enum:

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              - rockchip,rk3568-dwc-ahci

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              - rockchip,rk3576-dwc-ahci

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    then:

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      properties:

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        clocks:

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          maxItems: 3

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        clock-names:

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          items:

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            - const: sata

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            - const: pmalive

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            - const: rxoob

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unevaluatedProperties: false

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examples:

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  - |

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    #include <dt-bindings/clock/rockchip,rk3588-cru.h>

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    #include <dt-bindings/interrupt-controller/arm-gic.h>

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    #include <dt-bindings/ata/ahci.h>

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    #include <dt-bindings/phy/phy.h>

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    sata@fe210000 {

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      compatible = "rockchip,rk3588-dwc-ahci", "snps,dwc-ahci";

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      reg = <0xfe210000 0x1000>;

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      clocks = <&cru ACLK_SATA0>, <&cru CLK_PMALIVE0>,

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               <&cru CLK_RXOOB0>, <&cru CLK_PIPEPHY0_REF>,

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               <&cru CLK_PIPEPHY0_PIPE_ASIC_G>;

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      clock-names = "sata", "pmalive", "rxoob", "ref", "asic";

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      interrupts = <GIC_SPI 273 IRQ_TYPE_LEVEL_HIGH 0>;

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      ports-implemented = <0x1>;

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      #address-cells = <1>;

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      #size-cells = <0>;

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      sata-port@0 {

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        reg = <0>;

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        hba-port-cap = <HBA_PORT_FBSCP>;

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        phys = <&combphy0_ps PHY_TYPE_SATA>;

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        phy-names = "sata-phy";

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        snps,rx-ts-max = <32>;

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        snps,tx-ts-max = <32>;

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      };

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    };

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...

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