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| author | Trevor Wu <trevor.wu@mediatek.com> | 2021-11-30 13:39:05 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-12-06 13:50:40 +0000 |
| commit | 2da636247bb6f4fc3a9842ade04757790753fd2c (patch) | |
| tree | fe115751b510b85a83c65e006ca9d490a19e93df /Documentation | |
| parent | 4d408ea0282c374a304ce402866cb7b8a56c6b05 (diff) | |
| download | linux-2da636247bb6f4fc3a9842ade04757790753fd2c.tar.bz2 | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml index dcf790b053d2..6d0975b33d15 100644 --- a/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml +++ b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml @@ -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 |