diff options
| author | Mark Brown <[email protected]> | 2023-07-12 12:37:38 +0100 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2023-07-12 12:37:38 +0100 |
| commit | 79f4bde84d5e5e820cc9d180292da577a46b75a5 (patch) | |
| tree | 88228d9dfa8e1f3a617943518b560d5b5653381e | |
| parent | 860c9ef04a2c338e86e1eba00e808a2e4fa2a0b8 (diff) | |
| parent | e3326e3bc4937622b4dc6e9721262483109b0f0c (diff) | |
ASoC: mt8188: add memory-region support
Merge series from Trevor Wu <[email protected]>:
This series introduces support for memory-region, allowing afe memif to
utilize the region specified in dts.
| -rw-r--r-- | Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml | 7 | ||||
| -rw-r--r-- | sound/soc/mediatek/mt8188/mt8188-afe-pcm.c | 8 |
2 files changed, 13 insertions, 2 deletions
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 diff --git a/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c b/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c index 6a24b339444b..5e14655c5617 100644 --- a/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c +++ b/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c @@ -16,6 +16,7 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_platform.h> +#include <linux/of_reserved_mem.h> #include <linux/pm_runtime.h> #include <linux/soc/mediatek/infracfg.h> #include <linux/reset.h> @@ -3193,11 +3194,15 @@ static int mt8188_afe_pcm_dev_probe(struct platform_device *pdev) { struct mtk_base_afe *afe; struct mt8188_afe_private *afe_priv; - struct device *dev; + struct device *dev = &pdev->dev; struct reset_control *rstc; struct regmap *infra_ao; int i, irq_id, ret; + ret = of_reserved_mem_device_init(dev); + if (ret) + dev_dbg(dev, "failed to assign memory region: %d\n", ret); + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33)); if (ret) return ret; @@ -3213,7 +3218,6 @@ static int mt8188_afe_pcm_dev_probe(struct platform_device *pdev) afe_priv = afe->platform_priv; afe->dev = &pdev->dev; - dev = afe->dev; afe->base_addr = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(afe->base_addr)) |