linux-kernel - [PATCH 2/2] ASoC: dt-bindings: mediatek,mt8188-afe: add memory-region

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Message-ID: <20230629074348.21670-3-trevor.wu@mediatek.com>
Date:   Thu, 29 Jun 2023 15:43:48 +0800
From:   Trevor Wu <trevor.wu@...iatek.com>
To:     <broonie@...nel.org>, <lgirdwood@...il.com>, <tiwai@...e.com>,
        <perex@...ex.cz>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <matthias.bgg@...il.com>, <angelogioacchino.delregno@...labora.com>
CC:     <trevor.wu@...iatek.com>, <alsa-devel@...a-project.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH 2/2] ASoC: dt-bindings: mediatek,mt8188-afe: add memory-region

Add memory-region property to utilize the reserved memory region.

Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
---
 .../devicetree/bindings/sound/mediatek,mt8188-afe.yaml     | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
index e6cb711ece77..0b92c71d8779 100644
--- a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
@@ -25,6 +25,12 @@ properties:
   reset-names:
     const: audiosys
 
+  memory-region:
+    maxItems: 1
+    description: |
+      Shared memory region for AFE memif.  A "shared-dma-pool".
+      See ../reserved-memory/reserved-memory.yaml for details.
+
   mediatek,topckgen:
     $ref: /schemas/types.yaml#/definitions/phandle
     description: The phandle of the mediatek topckgen controller
@@ -176,6 +182,7 @@ examples:
         interrupts = <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH 0>;
         resets = <&watchdog 14>;
         reset-names = "audiosys";
+        memory-region = <&snd_dma_mem_reserved>;
         mediatek,topckgen = <&topckgen>;
         mediatek,infracfg = <&infracfg_ao>;
         power-domains = <&spm 13>; //MT8188_POWER_DOMAIN_AUDIO
-- 
2.18.0