diff options
| author |   Mark Brown <broonie@kernel.org> | 2021-12-06 17:25:00 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-12-06 17:25:00 +0000 |
| commit | 6e2127dcb78367443a27efb09a6dd7155eff56ef (patch) | |
| tree | e13c446684f699b0dc2052bd2c86470a0193170b /Documentation/devicetree | |
| parent | ASoC: mediatek: Update MT8195 machine driver (diff) | |
| parent | ASoC: mediatek: mt8195: add memory-region property (diff) | |
ASoC: mediatek: support memory-region assignment
Merge series from Trevor Wu <trevor.wu@mediatek.com>:
This series of patches adds support for memory-region assignment, so the
access region of DMA engine could be restricted.
Patches are based on broonie tree "for-next" branch.
Trevor Wu (2):
ASoC: mediatek: mt8195: support reserved memory assignment
dt-bindings: mediatek: mt8195: add memory-region property
.../devicetree/bindings/sound/mt8195-afe-pcm.yaml | 8 ++++++++
sound/soc/mediatek/mt8195/mt8195-afe-pcm.c | 7 +++++++
2 files changed, 15 insertions(+)
--
2.18.0
Diffstat (limited to 'Documentation/devicetree')
| -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 |