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: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20211130053905.28470-3-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
index dcf790b..6d0975b 100644
--- a/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
+++ b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
@@ -19,6 +19,12 @@
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 @@
- power-domains
- clocks
- clock-names
+ - memory-region
additionalProperties: false
@@ -139,6 +146,7 @@
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