From 81c73294a4eb2df31e974db2fc4397f5e0ecae09 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Thu, 12 Jun 2025 15:48:55 +0800 Subject: [PATCH] ASoC: dt-bindings: mt8186-afe-pcm: Allow specifying reserved memory region It is desirable to reserve memory for the audio frontend. Allow the "memory-region" property, to be used to point to a reserved memory region. Acked-by: "Rob Herring (Arm)" Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Chen-Yu Tsai Link: https://patch.msgid.link/20250612074901.4023253-5-wenst@chromium.org Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/sound/mt8186-afe-pcm.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/mt8186-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8186-afe-pcm.yaml index 7fe85b08f9dfa..f5af2cf18158b 100644 --- a/Documentation/devicetree/bindings/sound/mt8186-afe-pcm.yaml +++ b/Documentation/devicetree/bindings/sound/mt8186-afe-pcm.yaml @@ -25,6 +25,10 @@ properties: reset-names: const: audiosys + memory-region: + description: memory region for audio DMA buffers + maxItems: 1 + mediatek,apmixedsys: $ref: /schemas/types.yaml#/definitions/phandle description: The phandle of the mediatek apmixedsys controller @@ -170,6 +174,7 @@ examples: "top_apll12_div_tdm", "top_mux_audio_h", "top_clk26m_clk"; + memory-region = <&afe_dma_mem>; }; ... -- 2.47.2