linux-kernel - [PATCH 1/2] ASoC: fsl_micfil: Add support for i.MX8MPlus

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Date:   Mon,  9 May 2022 17:14:22 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     nicoleotsuka@...il.com, Xiubo.Lee@...il.com, festevam@...il.com,
        shengjiu.wang@...il.com, lgirdwood@...il.com, broonie@...nel.org,
        perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        robh+dt@...nel.org, krzk+dt@...nel.org, devicetree@...r.kernel.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] ASoC: fsl_micfil: Add support for i.MX8MPlus

On i.MX8Plus there are two updates for micfil module.

One is that the output format is S32_LE, only the 24 more
significative bits have information, the other bits are always
zero. Add 'formats' variable in soc data to distinguish the
format on different platform.
Another is that the fifo depth is 32 entries.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 sound/soc/fsl/fsl_micfil.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index e4d1da55293e..25c647ae080a 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -55,6 +55,7 @@ struct fsl_micfil_soc_data {
 	unsigned int fifo_depth;
 	unsigned int dataline;
 	bool imx;
+	u64  formats;
 };
 
 static struct fsl_micfil_soc_data fsl_micfil_imx8mm = {
@@ -62,10 +63,20 @@ static struct fsl_micfil_soc_data fsl_micfil_imx8mm = {
 	.fifos = 8,
 	.fifo_depth = 8,
 	.dataline =  0xf,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE,
+};
+
+static struct fsl_micfil_soc_data fsl_micfil_imx8mp = {
+	.imx = true,
+	.fifos = 8,
+	.fifo_depth = 32,
+	.dataline =  0xf,
+	.formats = SNDRV_PCM_FMTBIT_S32_LE,
 };
 
 static const struct of_device_id fsl_micfil_dt_ids[] = {
 	{ .compatible = "fsl,imx8mm-micfil", .data = &fsl_micfil_imx8mm },
+	{ .compatible = "fsl,imx8mp-micfil", .data = &fsl_micfil_imx8mp },
 	{}
 };
 MODULE_DEVICE_TABLE(of, fsl_micfil_dt_ids);
@@ -659,6 +670,8 @@ static int fsl_micfil_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	fsl_micfil_dai.capture.formats = micfil->soc->formats;
+
 	ret = devm_snd_soc_register_component(&pdev->dev, &fsl_micfil_component,
 					      &fsl_micfil_dai, 1);
 	if (ret) {
-- 
2.17.1