linux-kernel - [PATCHv3 RESEND 09/10] ASoC: fsl-asoc-card: add dts properties "cpu-sysclk-dir-out"

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Message-Id: <20231218124058.2047167-10-elinor.montmasson@savoirfairelinux.com>
Date: Mon, 18 Dec 2023 13:40:57 +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 09/10] ASoC: fsl-asoc-card: add dts properties "cpu-sysclk-dir-out"

Add new optional dts properties "cpu-sysclk-dir-out" to set
sysclk directions as "out" for the CPU DAI when using the generic codec.
This can be set for Tx and Rx.
If not set, the direction is "in".
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 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 7b0d7df7ae27..5f8fb724e29d 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -751,6 +751,12 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 					(u32 *)&priv->cpu_priv.sysclk_freq[RX]);
 		of_property_read_u32(np, "cpu-sysclk-freq-tx",
 					(u32 *)&priv->cpu_priv.sysclk_freq[TX]);
+		priv->cpu_priv.sysclk_dir[RX] =
+			of_property_read_bool(np, "cpu-sysclk-dir-rx-out") ?
+			SND_SOC_CLOCK_OUT : SND_SOC_CLOCK_IN;
+		priv->cpu_priv.sysclk_dir[TX] =
+			of_property_read_bool(np, "cpu-sysclk-dir-tx-out") ?
+			SND_SOC_CLOCK_OUT : SND_SOC_CLOCK_IN;
 	} else {
 		dev_err(&pdev->dev, "unknown Device Tree compatible\n");
 		ret = -EINVAL;
-- 
2.25.1