linux-kernel - [PATCHv3 RESEND 08/10] ASoC: fsl-asoc-card: add dts properties "cpu-sysclk-freq"

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Message-Id: <20231218124058.2047167-9-elinor.montmasson@savoirfairelinux.com>
Date: Mon, 18 Dec 2023 13:40:56 +0100
From: Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shengjiu Wang <shengjiu.wang@...il.com>,
	Xiubo Li <Xiubo.Lee@...il.com>,
	Fabio Estevam <festevam@...il.com>,
	Nicolin Chen <nicoleotsuka@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>
Cc: linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org,
	linuxppc-dev@...ts.ozlabs.org,
	Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>,
	Philip-Dylan <philip-dylan.gleonec@...oirfairelinux.com>
Subject: [PATCHv3 RESEND 08/10] ASoC: fsl-asoc-card: add dts properties "cpu-sysclk-freq"

Add new optional dts property "cpu-sysclk-freq" to set
custom sysclk frequencies for the CPU DAI with the generic codec.
The way values are used is up to the CPU DAI driver implementation.

Signed-off-by: Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
Co-authored-by: Philip-Dylan Gleonec <philip-dylan.gleonec@...oirfairelinux.com>
---
 sound/soc/fsl/fsl-asoc-card.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 6f6cc8bd3acd..7b0d7df7ae27 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -747,6 +747,10 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 		priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
 		of_property_read_u32(np, "cpu-slot-width", &priv->cpu_priv.slot_width);
 		of_property_read_u32(np, "cpu-slot-num", &priv->cpu_priv.slot_num);
+		of_property_read_u32(np, "cpu-sysclk-freq-rx",
+					(u32 *)&priv->cpu_priv.sysclk_freq[RX]);
+		of_property_read_u32(np, "cpu-sysclk-freq-tx",
+					(u32 *)&priv->cpu_priv.sysclk_freq[TX]);
 	} else {
 		dev_err(&pdev->dev, "unknown Device Tree compatible\n");
 		ret = -EINVAL;
-- 
2.25.1