Unverified Commit 29e64a37 authored by Marek Vasut's avatar Marek Vasut Committed by Stephen Boyd
Browse files

dt-bindings: clock: fsl-sai: Document i.MX8M support 



The i.MX8M/Mini/Nano/Plus variant of the SAI IP has control registers
shifted by +8 bytes and requires additional bus clock. Document support
for the i.MX8M variant of the IP with this register shift and additional
clock. Update the description slightly.

Acked-by: default avatarConor Dooley <conor.dooley@microchip.com>
Signed-off-by: default avatarMarek Vasut <marex@nabladev.com>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent c3692998

Documentation/devicetree/bindings/clock/fsl,sai-clock.yaml

+35 −6
Original line number Diff line number Diff line
@@ -10,10 +10,10 @@ maintainers: 
  - Michael Walle <michael@walle.cc>



description: |

  It is possible to use the BCLK pin of a SAI module as a generic clock

  output. Some SoC are very constrained in their pin multiplexer

  configuration. Eg. pins can only be changed groups. For example, on the

  LS1028A SoC you can only enable SAIs in pairs. If you use only one SAI,

  It is possible to use the BCLK pin of a SAI module as a generic

  clock output. Some SoC are very constrained in their pin multiplexer

  configuration. E.g. pins can only be changed in groups. For example, on

  the LS1028A SoC you can only enable SAIs in pairs. If you use only one SAI,

  the second pins are wasted. Using this binding it is possible to use the

  clock of the second SAI as a MCLK clock for an audio codec, for example.
@@ -21,17 +21,46 @@ description: | 


properties:

  compatible:

    const: fsl,vf610-sai-clock

    oneOf:

      - items:

          - enum:

              - fsl,imx8mm-sai-clock

              - fsl,imx8mn-sai-clock

              - fsl,imx8mp-sai-clock

          - const: fsl,imx8mq-sai-clock

      - items:

          - enum:

              - fsl,imx8mq-sai-clock

              - fsl,vf610-sai-clock



  reg:

    maxItems: 1



  clocks:

    maxItems: 1

    minItems: 1

    maxItems: 2



  clock-names:

    minItems: 1

    items:

      - const: bus

      - const: mclk1



  '#clock-cells':

    const: 0



allOf:

  - if:

      properties:

        compatible:

          contains:

            const: fsl,vf610-sai-clock

    then:

      properties:

        clocks:

          maxItems: 1

        clock-names: false



required:

  - compatible

  - reg