linux-kernel - [PATCH 3/3] ASoC: fsl_sai: Add support for i.MX8ULP

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Date:   Mon, 16 May 2022 16:06:12 +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
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] ASoC: fsl_sai: Add support for i.MX8ULP

Add i.MX8ULP specific soc data, the max register is FSL_SAI_RTCAP
the IP version is also 0x0301, So version can't be used for the
condition of register FSL_SAI_MCTL setting.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 sound/soc/fsl/fsl_sai.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index b528722acd65..fa950dde5310 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -1147,7 +1147,7 @@ static int fsl_sai_probe(struct platform_device *pdev)
 
 	/* Select MCLK direction */
 	if (of_find_property(np, "fsl,sai-mclk-direction-output", NULL) &&
-	    sai->verid.version >= 0x0301) {
+	    sai->soc_data->max_register >= FSL_SAI_MCTL) {
 		regmap_update_bits(sai->regmap, FSL_SAI_MCTL,
 				   FSL_SAI_MCTL_MCLK_EN, FSL_SAI_MCTL_MCLK_EN);
 	}
@@ -1272,6 +1272,17 @@ static const struct fsl_sai_soc_data fsl_sai_imx8mp_data = {
 	.max_register = FSL_SAI_MDIV,
 };
 
+static const struct fsl_sai_soc_data fsl_sai_imx8ulp_data = {
+	.use_imx_pcm = true,
+	.use_edma = true,
+	.fifo_depth = 16,
+	.reg_offset = 8,
+	.mclk0_is_mclk1 = false,
+	.pins = 4,
+	.flags = PMQOS_CPU_LATENCY,
+	.max_register = FSL_SAI_RTCAP,
+};
+
 static const struct of_device_id fsl_sai_ids[] = {
 	{ .compatible = "fsl,vf610-sai", .data = &fsl_sai_vf610_data },
 	{ .compatible = "fsl,imx6sx-sai", .data = &fsl_sai_imx6sx_data },
@@ -1281,6 +1292,7 @@ static const struct of_device_id fsl_sai_ids[] = {
 	{ .compatible = "fsl,imx8qm-sai", .data = &fsl_sai_imx8qm_data },
 	{ .compatible = "fsl,imx8mm-sai", .data = &fsl_sai_imx8mm_data },
 	{ .compatible = "fsl,imx8mp-sai", .data = &fsl_sai_imx8mp_data },
+	{ .compatible = "fsl,imx8ulp-sai", .data = &fsl_sai_imx8ulp_data },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, fsl_sai_ids);
-- 
2.17.1