linux-kernel - [PATCH 05/10] ASoC: qcom: q6dsp: add support for LPASS LPI MI2S dais

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Message-ID: <20260205171411.34908-6-srinivas.kandagatla@oss.qualcomm.com>
Date: Thu,  5 Feb 2026 12:14:06 -0500
From: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
To: broonie@...nel.org
Cc: lgirdwood@...il.com, robh@...nel.org, krzk+dt@...nel.org,
        cnor+dt@...nel.org, srini@...nel.org, perex@...ex.cz, tiwai@...e.com,
        alexey.klimov@...aro.org, mohammad.rafi.shaik@....qualcomm.com,
        quic_wcheng@...cinc.com, johan@...nel.org,
        dmitry.baryshkov@....qualcomm.com, konrad.dybcio@....qualcomm.com,
        linux-arm-msm@...r.kernel.org, linux-sound@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
Subject: [PATCH 05/10] ASoC: qcom: q6dsp: add support for LPASS LPI MI2S dais

Add new dai ids and dai driver entries ior LPASS LPI MI2S lines

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
---
 .../sound/qcom,q6dsp-lpass-ports.h            | 12 ++++-
 sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c      | 47 +++++++++++++++++++
 2 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h b/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h
index 609bc278f726..0febc641f351 100644
--- a/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h
+++ b/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h
@@ -140,7 +140,17 @@
 #define DISPLAY_PORT_RX_6	134
 #define DISPLAY_PORT_RX_7	135
 #define USB_RX			136
-#define LPASS_MAX_PORT		(USB_RX + 1)
+#define	LPI_MI2S_RX_0		137
+#define	LPI_MI2S_TX_0		138
+#define	LPI_MI2S_RX_1		139
+#define	LPI_MI2S_TX_1		140
+#define	LPI_MI2S_RX_2		141
+#define	LPI_MI2S_TX_2		142
+#define	LPI_MI2S_RX_3		143
+#define	LPI_MI2S_TX_3		144
+#define	LPI_MI2S_RX_4		145
+#define	LPI_MI2S_TX_4		146
+#define	LPASS_MAX_PORT		(LPI_MI2S_TX_4 + 1)
 
 #define LPASS_CLK_ID_PRI_MI2S_IBIT	1
 #define LPASS_CLK_ID_PRI_MI2S_EBIT	2
diff --git a/sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c b/sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c
index 4eed54b071a5..d31388ed3ccf 100644
--- a/sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c
+++ b/sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c
@@ -96,6 +96,42 @@
 		.id = did,						\
 	}
 
+#define Q6AFE_MI2S_RX_DAI(pre, did) {				\
+		.playback = {						\
+			.stream_name = pre" MI2S Playback",	\
+			.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+				SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
+				SNDRV_PCM_RATE_176400,			\
+			.formats = SNDRV_PCM_FMTBIT_S16_LE |		\
+				   SNDRV_PCM_FMTBIT_S24_LE |		\
+				   SNDRV_PCM_FMTBIT_S32_LE,		\
+			.channels_min = 1,				\
+			.channels_max = 8,				\
+			.rate_min = 8000,				\
+			.rate_max = 176400,				\
+		},							\
+		.name = #did,						\
+		.id = did,						\
+	}
+
+#define Q6AFE_MI2S_TX_DAI(pre, did) {				\
+		.capture = {						\
+			.stream_name = pre" MI2S Capture",	\
+			.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+				SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
+				SNDRV_PCM_RATE_176400,			\
+			.formats = SNDRV_PCM_FMTBIT_S16_LE |		\
+				   SNDRV_PCM_FMTBIT_S24_LE |		\
+				   SNDRV_PCM_FMTBIT_S32_LE,		\
+			.channels_min = 1,				\
+			.channels_max = 8,				\
+			.rate_min = 8000,				\
+			.rate_max = 176400,				\
+		},							\
+		.name = #did,						\
+		.id = did,						\
+	}
+
 static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
 	{
 		.playback = {
@@ -484,6 +520,16 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
 		.id = QUINARY_MI2S_TX,
 		.name = "QUIN_MI2S_TX",
 	},
+	Q6AFE_MI2S_RX_DAI("LPI RX0", LPI_MI2S_RX_0),
+	Q6AFE_MI2S_RX_DAI("LPI RX1", LPI_MI2S_RX_1),
+	Q6AFE_MI2S_RX_DAI("LPI RX2", LPI_MI2S_RX_2),
+	Q6AFE_MI2S_RX_DAI("LPI RX3", LPI_MI2S_RX_3),
+	Q6AFE_MI2S_RX_DAI("LPI RX4", LPI_MI2S_RX_4),
+	Q6AFE_MI2S_TX_DAI("LPI TX0", LPI_MI2S_TX_0),
+	Q6AFE_MI2S_TX_DAI("LPI TX1", LPI_MI2S_TX_1),
+	Q6AFE_MI2S_TX_DAI("LPI TX2", LPI_MI2S_TX_2),
+	Q6AFE_MI2S_TX_DAI("LPI TX3", LPI_MI2S_TX_3),
+	Q6AFE_MI2S_TX_DAI("LPI TX4", LPI_MI2S_TX_4),
 	Q6AFE_TDM_PB_DAI("Primary", 0, PRIMARY_TDM_RX_0),
 	Q6AFE_TDM_PB_DAI("Primary", 1, PRIMARY_TDM_RX_1),
 	Q6AFE_TDM_PB_DAI("Primary", 2, PRIMARY_TDM_RX_2),
@@ -636,6 +682,7 @@ struct snd_soc_dai_driver *q6dsp_audio_ports_set_config(struct device *dev,
 			break;
 		case QUINARY_MI2S_RX ... QUINARY_MI2S_TX:
 		case PRIMARY_MI2S_RX ... QUATERNARY_MI2S_TX:
+		case LPI_MI2S_RX_0 ... LPI_MI2S_TX_4:
 			q6dsp_audio_fe_dais[i].ops = cfg->q6i2s_ops;
 			break;
 		case PRIMARY_TDM_RX_0 ... QUINARY_TDM_TX_7:
-- 
2.47.3