Commit 30009a21 authored by Huan He's avatar Huan He Committed by Ulf Hansson
Browse files

dt-bindings: mmc: sdhci-of-dwcmshc: Add Eswin EIC7700 



EIC7700 use Synopsys dwcmshc IP for SD/eMMC controllers.
Add Eswin EIC7700 support in sdhci-of-dwcmshc.yaml.

Signed-off-by: default avatarHuan He <hehuan1@eswincomputing.com>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent c2afdd73

Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml

+51 −6
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ properties: 
          - sophgo,sg2002-dwcmshc

          - sophgo,sg2042-dwcmshc

          - thead,th1520-dwcmshc

          - eswin,eic7700-dwcmshc



  reg:

    maxItems: 1
@@ -52,17 +53,30 @@ properties: 
    maxItems: 5



  reset-names:

    items:

      - const: core

      - const: bus

      - const: axi

      - const: block

      - const: timer

    maxItems: 5



  rockchip,txclk-tapnum:

    description: Specify the number of delay for tx sampling.

    $ref: /schemas/types.yaml#/definitions/uint8



  eswin,hsp-sp-csr:

    $ref: /schemas/types.yaml#/definitions/phandle-array

    items:

      - items:

          - description: Phandle to HSP(High-Speed Peripheral) device

          - description: Offset of the stability status register for internal

                         clock.

          - description: Offset of the stability register for host regulator

                         voltage.

    description:

      HSP CSR is to control and get status of different high-speed peripherals

      (such as Ethernet, USB, SATA, etc.) via register, which can tune

      board-level's parameters of PHY, etc.



  eswin,drive-impedance-ohms:

    description: Specifies the drive impedance in Ohm.

    enum: [33, 40, 50, 66, 100]



required:

  - compatible

  - reg
@@ -110,6 +124,37 @@ allOf: 
            - const: block

            - const: timer



  - if:

      properties:

        compatible:

          contains:

            const: eswin,eic7700-dwcmshc

    then:

      properties:

        resets:

          minItems: 4

          maxItems: 4

        reset-names:

          items:

            - const: axi

            - const: phy

            - const: prstn

            - const: txrx

      required:

        - eswin,hsp-sp-csr

        - eswin,drive-impedance-ohms

    else:

      properties:

        resets:

          maxItems: 5

        reset-names:

          items:

            - const: core

            - const: bus

            - const: axi

            - const: block

            - const: timer



  - if:

      properties:

        compatible: