Unverified Commit 2da63624 authored by Trevor Wu's avatar Trevor Wu Committed by Mark Brown
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ASoC: mediatek: mt8195: add memory-region property 



Add a required property "memory-region", which is used to specify memory
for DMA usage.

Signed-off-by: default avatarTrevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20211130053905.28470-3-trevor.wu@mediatek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 4d408ea0

Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml

+8 −0
Original line number Diff line number Diff line
@@ -19,6 +19,12 @@ properties: 
  interrupts:

    maxItems: 1



  memory-region:

    maxItems: 1

    description: |

      Shared memory region for AFE memif.  A "shared-dma-pool".

      See ../reserved-memory/reserved-memory.txt for details.



  mediatek,topckgen:

    $ref: "/schemas/types.yaml#/definitions/phandle"

    description: The phandle of the mediatek topckgen controller
@@ -125,6 +131,7 @@ required: 
  - power-domains

  - clocks

  - clock-names

  - memory-region



additionalProperties: false
@@ -139,6 +146,7 @@ examples: 
        interrupts = <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH 0>;

        mediatek,topckgen = <&topckgen>;

        power-domains = <&spm 7>; //MT8195_POWER_DOMAIN_AUDIO

        memory-region = <&snd_dma_mem_reserved>;

        clocks = <&clk26m>,

                 <&topckgen 163>, //CLK_TOP_APLL1

                 <&topckgen 166>, //CLK_TOP_APLL2