linux-kernel - [PATCH 3/7] ASoC: mchp-i2s-mcc: Add compatible for SAMA7G5

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Date:   Tue, 23 Feb 2021 20:19:25 +0200
From:   Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
To:     <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <lgirdwood@...il.com>, <broonie@...nel.org>, <robh+dt@...nel.org>,
        <perex@...ex.cz>, <tiwai@...e.com>, <nicolas.ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <ludovic.desroches@...rochip.com>,
        "Codrin Ciubotariu" <codrin.ciubotariu@...rochip.com>
Subject: [PATCH 3/7] ASoC: mchp-i2s-mcc: Add compatible for SAMA7G5

Microchip's new SAMA7G5 includes an updated I2S-MCC compatible with the
previous version found on SAM9X60. The new controller includes 8 (4 * 2)
input and output data pins for up to 8 channels for I2S and Left-Justified
formats.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
---
 sound/soc/atmel/Kconfig        | 3 +++
 sound/soc/atmel/mchp-i2s-mcc.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig
index 9fe9471f4514..ec04e3386bc0 100644
--- a/sound/soc/atmel/Kconfig
+++ b/sound/soc/atmel/Kconfig
@@ -127,10 +127,13 @@ config SND_MCHP_SOC_I2S_MCC
 	  Say Y or M if you want to add support for I2S Multi-Channel ASoC
 	  driver on the following Microchip platforms:
 	  - sam9x60
+	  - sama7g5
 
 	  The I2SMCC complies with the Inter-IC Sound (I2S) bus specification
 	  and supports a Time Division Multiplexed (TDM) interface with
 	  external multi-channel audio codecs.
+	  Starting with sama7g5, I2S and Left-Justified multi-channel is
+	  supported by using multiple data pins, output and input, without TDM.
 
 config SND_MCHP_SOC_SPDIFTX
 	tristate "Microchip ASoC driver for boards using S/PDIF TX"
diff --git a/sound/soc/atmel/mchp-i2s-mcc.c b/sound/soc/atmel/mchp-i2s-mcc.c
index 6d5ae18f8b38..0ee01383e307 100644
--- a/sound/soc/atmel/mchp-i2s-mcc.c
+++ b/sound/soc/atmel/mchp-i2s-mcc.c
@@ -873,6 +873,9 @@ static const struct of_device_id mchp_i2s_mcc_dt_ids[] = {
 	{
 		.compatible = "microchip,sam9x60-i2smcc",
 	},
+	{
+		.compatible = "microchip,sama7g5-i2smcc",
+	},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, mchp_i2s_mcc_dt_ids);
-- 
2.27.0