[PATCH v2 2/6] ASoC: amd: acp: Add PDM controller based dmic dai for Renoir

Ajit Kumar Pandey AjitKumar.Pandey at amd.com
Thu Jan 13 17:33:44 CET 2022


Renoir ACP IP has a PDM controller block. Add DMIC dai instance in
dai_driver struct to enable dmic capture support on Renoir platform.

Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey at amd.com>
---
 sound/soc/amd/acp/Kconfig      |  1 +
 sound/soc/amd/acp/acp-renoir.c | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/sound/soc/amd/acp/Kconfig b/sound/soc/amd/acp/Kconfig
index 2e6d0259f2e9..f4ca7843391b 100644
--- a/sound/soc/amd/acp/Kconfig
+++ b/sound/soc/amd/acp/Kconfig
@@ -29,6 +29,7 @@ config SND_AMD_ASOC_RENOIR
 	tristate "AMD ACP ASOC Renoir Support"
 	select SND_SOC_AMD_ACP_PCM
 	select SND_SOC_AMD_ACP_I2S
+	select SND_SOC_AMD_ACP_PDM
 	depends on X86 && PCI
 	help
 	  This option enables Renoir I2S support on AMD platform.
diff --git a/sound/soc/amd/acp/acp-renoir.c b/sound/soc/amd/acp/acp-renoir.c
index 9b321a055b52..770a57a0677b 100644
--- a/sound/soc/amd/acp/acp-renoir.c
+++ b/sound/soc/amd/acp/acp-renoir.c
@@ -97,6 +97,19 @@ static struct snd_soc_dai_driver acp_renoir_dai[] = {
 	.ops = &asoc_acp_cpu_dai_ops,
 	.probe = &asoc_acp_i2s_probe,
 },
+{
+	.name = "acp-pdm-dmic",
+	.id = DMIC_INSTANCE,
+	.capture = {
+		.rates = SNDRV_PCM_RATE_8000_48000,
+		.formats = SNDRV_PCM_FMTBIT_S32_LE,
+		.channels_min = 2,
+		.channels_max = 2,
+		.rate_min = 8000,
+		.rate_max = 48000,
+	},
+	.ops = &acp_dmic_dai_ops,
+},
 };
 
 static int renoir_audio_probe(struct platform_device *pdev)
-- 
2.25.1



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