Unverified Commit fd996523 authored by Trevor Wu's avatar Trevor Wu Committed by Mark Brown
Browse files

ASoC: mediatek: mt8188: add memory-region support 



In certain projects, it is necessary to utilize the reserved memory
region for audio dma. The patch takes into account the dts property
'memory-region', allowing for the specification of memory for afe memif
through device tree.

Signed-off-by: default avatarTrevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20230629074348.21670-2-trevor.wu@mediatek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 3d74f42c

sound/soc/mediatek/mt8188/mt8188-afe-pcm.c

+6 −2
Original line number Diff line number Diff line
@@ -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))