From: Shengjiu Wang <shengjiu.wang@nxp.com>
To: nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com,
shengjiu.wang@gmail.com, lgirdwood@gmail.com, broonie@kernel.org,
perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org,
robh+dt@kernel.org, krzk+dt@kernel.org,
devicetree@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 6/7] ASoC: dt-bindings: fsl-sai: Add new property to configure dataline
Date: Fri, 17 Jun 2022 15:44:36 +0800 [thread overview]
Message-ID: <1655451877-16382-7-git-send-email-shengjiu.wang@nxp.com> (raw)
In-Reply-To: <1655451877-16382-1-git-send-email-shengjiu.wang@nxp.com>
"fsl,dataline" is added to configure the dataline of SAI.
It has 3 value for each configuration, first one means the type:
I2S(1) or PDM(2), second one is dataline mask for 'rx', third one is
dataline mask for 'tx'. for example:
fsl,dataline = <1 0xff 0xff 2 0xff 0x11>,
it means I2S type rx mask is 0xff, tx mask is 0xff, PDM type
rx mask is 0xff, tx mask is 0x11 (dataline 1 and 4 enabled).
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
Documentation/devicetree/bindings/sound/fsl-sai.txt | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/fsl-sai.txt b/Documentation/devicetree/bindings/sound/fsl-sai.txt
index c71c5861d787..4c66e6a1a533 100644
--- a/Documentation/devicetree/bindings/sound/fsl-sai.txt
+++ b/Documentation/devicetree/bindings/sound/fsl-sai.txt
@@ -49,6 +49,14 @@ Required properties:
receive data by following their own bit clocks and
frame sync clocks separately.
+ - fsl,dataline : configure the dataline. it has 3 value for each configuration
+ first one means the type: I2S(1) or PDM(2)
+ second one is dataline mask for 'rx'
+ third one is dataline mask for 'tx'.
+ for example: fsl,dataline = <1 0xff 0xff 2 0xff 0x11>;
+ it means I2S type rx mask is 0xff, tx mask is 0xff, PDM type
+ rx mask is 0xff, tx mask is 0x11 (dataline 1 and 4 enabled).
+
Optional properties:
- big-endian : Boolean property, required if all the SAI
--
2.17.1
next prev parent reply other threads:[~2022-06-17 8:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-17 7:44 [PATCH v2 0/7] Add PDM/DSD/dataline configuration support Shengjiu Wang
2022-06-17 7:44 ` [PATCH v2 1/7] ASoC: fsl_sai: Add PDM daifmt support Shengjiu Wang
2022-06-17 7:44 ` [PATCH v2 2/7] ASoC: fsl_sai: Add DSD bit format support Shengjiu Wang
2022-06-17 7:44 ` [PATCH v2 3/7] ASoC: fsl_sai: Add support for more sample rates Shengjiu Wang
2022-06-17 7:44 ` [PATCH v2 4/7] ASoc: fsl_sai: Add pinctrl operation for PDM and DSD Shengjiu Wang
2022-06-17 7:44 ` [PATCH v2 5/7] ASoC: fsl_sai: Make res a member of struct fsl_sai Shengjiu Wang
2022-06-17 7:44 ` Shengjiu Wang [this message]
2022-06-27 23:00 ` [PATCH v2 6/7] ASoC: dt-bindings: fsl-sai: Add new property to configure dataline Rob Herring
2022-06-28 2:23 ` Shengjiu Wang
2022-06-17 7:44 ` [PATCH v2 7/7] ASoC: fsl_sai: Configure dataline/FIFO information from dts property Shengjiu Wang
2022-06-28 10:31 ` [PATCH v2 0/7] Add PDM/DSD/dataline configuration support Mark Brown
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