Unverified Commit 73978d27 authored by Troy Mitchell's avatar Troy Mitchell Committed by Mark Brown
Browse files

ASoC: dt-bindings: Add bindings for SpacemiT K1 



Add dt-binding for the i2s driver of SpacemiT's K1 SoC.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarTroy Mitchell <troy.mitchell@linux.spacemit.com>
Link: https://patch.msgid.link/20251017-k1-i2s-v5-1-401ae3775fcd@linux.spacemit.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 93b2838c

Documentation/devicetree/bindings/sound/spacemit,k1-i2s.yaml

0 → 100644
+87 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/sound/spacemit,k1-i2s.yaml#

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



title: K1 I2S controller



description:

  The I2S bus (Inter-IC sound bus) is a serial link for digital

  audio data transfer between devices in the system.



maintainers:

  - Troy Mitchell <troy.mitchell@linux.spacemit.com>



allOf:

  - $ref: dai-common.yaml#



properties:

  compatible:

    const: spacemit,k1-i2s



  reg:

    maxItems: 1



  clocks:

    items:

      - description: clock for I2S sysclk

      - description: clock for I2S bclk

      - description: clock for I2S bus

      - description: clock for I2S controller



  clock-names:

    items:

      - const: sysclk

      - const: bclk

      - const: bus

      - const: func



  dmas:

    minItems: 1

    maxItems: 2



  dma-names:

    minItems: 1

    items:

      - const: tx

      - const: rx



  resets:

    maxItems: 1



  port:

    $ref: audio-graph-port.yaml#

    unevaluatedProperties: false



  "#sound-dai-cells":

    const: 0



required:

  - compatible

  - reg

  - clocks

  - clock-names

  - dmas

  - dma-names

  - resets

  - "#sound-dai-cells"



unevaluatedProperties: false



examples:

  - |

    #include <dt-bindings/clock/spacemit,k1-syscon.h>

    i2s@d4026000 {

      compatible = "spacemit,k1-i2s";

      reg = <0xd4026000 0x30>;

      clocks = <&syscon_mpmu CLK_I2S_SYSCLK>,

               <&syscon_mpmu CLK_I2S_BCLK>,

               <&syscon_apbc CLK_SSPA0_BUS>,

               <&syscon_apbc CLK_SSPA0>;

      clock-names = "sysclk", "bclk", "bus", "func";

      dmas = <&pdma0 21>, <&pdma0 22>;

      dma-names = "tx", "rx";

      resets = <&syscon_apbc RESET_SSPA0>;

      #sound-dai-cells = <0>;

    };