Commit 85b0e13b authored by Sebastian Reichel's avatar Sebastian Reichel Committed by Damien Le Moal
Browse files

dt-bindings: ata: dwc-ahci: add Rockchip RK3588 



This adds Rockchip RK3588 AHCI binding. In order to narrow down the
allowed clocks without bloating the generic binding, the description
of Rockchip's AHCI controllers has been moved to its own file.

Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: default avatarSerge Semin <fancer.lancer@gmail.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarDamien Le Moal <dlemoal@kernel.org>
parent 2b3665b2

Documentation/devicetree/bindings/ata/rockchip,dwc-ahci.yaml

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+124 −0
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# 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>;

      };

    };



...

Documentation/devicetree/bindings/ata/snps,dwc-ahci.yaml

+9 −4
Original line number Diff line number Diff line
@@ -13,6 +13,15 @@ description: 
  This document defines device tree bindings for the generic Synopsys DWC

  implementation of the AHCI SATA controller.



select:

  properties:

    compatible:

      enum:

        - snps,dwc-ahci

        - snps,spear-ahci

  required:

    - compatible



allOf:

  - $ref: snps,dwc-ahci-common.yaml#
@@ -23,10 +32,6 @@ properties: 
        const: snps,dwc-ahci

      - description: SPEAr1340 AHCI SATA device

        const: snps,spear-ahci

      - description: Rockhip RK3568 AHCI controller

        items:

          - const: rockchip,rk3568-dwc-ahci

          - const: snps,dwc-ahci



patternProperties:

  "^sata-port@[0-9a-e]$":