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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml
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# SPDX-License-Identifier: (GPL-2.0 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/nvidia,tegra-ahci.yaml#

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

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title: Tegra AHCI SATA Controller

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maintainers:

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  - Thierry Reding <thierry.reding@gmail.com>

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  - Jonathan Hunter <jonathanh@nvidia.com>

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properties:

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  compatible:

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    enum:

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      - nvidia,tegra124-ahci

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      - nvidia,tegra132-ahci

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      - nvidia,tegra210-ahci

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      - nvidia,tegra186-ahci

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  reg:

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    minItems: 2

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    items:

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      - description: AHCI registers

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      - description: SATA configuration and IPFS registers

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      - description: SATA AUX registers

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  interrupts:

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    maxItems: 1

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  clock-names:

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    items:

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      - const: sata

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      - const: sata-oob

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  clocks:

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    maxItems: 2

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  reset-names:

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    minItems: 2

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    items:

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      - const: sata

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      - const: sata-cold

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      - const: sata-oob

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  resets:

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    minItems: 2

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    maxItems: 3

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  iommus:

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    maxItems: 1

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  interconnect-names:

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    items:

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      - const: dma-mem

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      - const: write

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  interconnects:

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    maxItems: 2

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  power-domains:

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    items:

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      - description: SAX power-domain

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  phy-names:

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    items:

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      - const: sata-0

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  phys:

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    maxItems: 1

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  hvdd-supply:

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    description: SATA HVDD regulator supply.

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  vddio-supply:

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    description: SATA VDDIO regulator supply.

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  avdd-supply:

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    description: SATA AVDD regulator supply.

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  target-5v-supply:

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    description: SATA 5V power regulator supply.

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  target-12v-supply:

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    description: SATA 12V power regulator supply.

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required:

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  - compatible

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  - reg

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  - interrupts

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  - clock-names

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  - clocks

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  - reset-names

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  - resets

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allOf:

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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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              - nvidia,tegra124-ahci

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              - nvidia,tegra132-ahci

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    then:

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      properties:

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        reg:

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          maxItems: 2

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        reset-names:

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          minItems: 3

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        resets:

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          minItems: 3

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      required:

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        - phys

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        - phy-names

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        - hvdd-supply

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        - vddio-supply

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        - avdd-supply

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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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              - nvidia,tegra210-ahci

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    then:

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      properties:

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        reg:

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          minItems: 3

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        reset-names:

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          minItems: 3

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        resets:

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          minItems: 3

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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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              - nvidia,tegra186-ahci

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    then:

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      properties:

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        reg:

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          minItems: 3

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        reset-names:

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          maxItems: 2

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        resets:

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          maxItems: 2

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      required:

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        - iommus

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        - interconnect-names

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        - interconnects

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        - power-domains

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/clock/tegra210-car.h>

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    #include <dt-bindings/reset/tegra210-car.h>

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

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    sata@70020000 {

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            compatible = "nvidia,tegra210-ahci";

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            reg = <0x70027000 0x00002000>, /* AHCI */

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                  <0x70020000 0x00007000>, /* SATA */

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                  <0x70001100 0x00010000>; /* SATA AUX */

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            interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;

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            clocks = <&tegra_car TEGRA210_CLK_SATA>,

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                     <&tegra_car TEGRA210_CLK_SATA_OOB>;

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            clock-names = "sata", "sata-oob";

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            resets = <&tegra_car 124>,

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                     <&tegra_car 129>,

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                     <&tegra_car 123>;

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            reset-names = "sata", "sata-cold", "sata-oob";

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    };

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