ASoC: amd: acp: Add PDM controller based dmic dai for Renoir

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@amd.com>
Link: https://lore.kernel.org/r/20220117115854.455995-3-AjitKumar.Pandey@amd.comSigned-off-by: Mark Brown <broonie@kernel.org>

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.

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)