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Message-ID: <20240926092519.6556-1-macpaul.lin@mediatek.com>
Date: Thu, 26 Sep 2024 17:25:17 +0800
From: Macpaul Lin <macpaul.lin@...iatek.com>
To: Sen Chu <sen.chu@...iatek.com>, Sean Wang <sean.wang@...iatek.com>,
Macpaul Lin <macpaul.lin@...iatek.com>, Lee Jones <lee@...nel.org>, "Rob
Herring" <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, "Conor
Dooley" <conor+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, "Liam
Girdwood" <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, Eason Yen
<eason.yen@...iatek.com>, Jiaxin Yu <jiaxin.yu@...iatek.com>, Shane Chien
<shane.chien@...iatek.com>, Hui Liu <hui.liu@...iatek.com>,
<linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>, <linux-sound@...r.kernel.org>,
Alexandre Mergnat <amergnat@...libre.com>
CC: Bear Wang <bear.wang@...iatek.com>, Pablo Sun <pablo.sun@...iatek.com>,
Macpaul Lin <macpaul@...il.com>, Chris-qj chen <chris-qj.chen@...iatek.com>,
MediaTek Chromebook Upstream
<Project_Global_Chrome_Upstream_Group@...iatek.com>, Chen-Yu Tsai
<wenst@...omium.org>
Subject: [PATCH 1/3] ASoC: dt-bindings: mt6359: Update generic node name and dmic-mode
Some fix and updates in the following items:
1. examples:
Update generic node name to 'audio-codec' to comply with the
coming change in 'mt6359.dtsi'. This change is necessary to fix the
dtbs_check error:
pmic: 'mt6359codec' does not match any of the regexes: 'pinctrl-[0-9]+'
2. mediatek,dmic-mode:
After inspecting the .dts and .dtsi files using 'mt6359-codec', it was
discovered that the definitions of 'two wires' and 'one wire' are
inverted compared to the DT schema.
For example, the following boards using MT6359 PMIC:
- mt8192-asurada.dtsi
- mt8195-cherry.dtsi
These boards use the same definitions of 'dmic-mode' as other boards
using MT6358 PMIC. The meaning of '0' or '1' has been noted as comments
in the device trees.
Upon examining the code in [1] and [2], it was confirmed that the
definitions of 'dmic-mode' are consistent between "MT6359 PMIC" and
"MT6358 PMIC". Therefore, the DT Schema should be correct as is.
References:
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/sound/soc/codecs/mt6358.c#n1875
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/sound/soc/codecs/mt6359.c#L1515
Fixes: 539237d1c609 ("dt-bindings: mediatek: mt6359: add codec document")
Signed-off-by: Jiaxin Yu <jiaxin.yu@...iatek.com>
Signed-off-by: Macpaul Lin <macpaul.lin@...iatek.com>
---
Documentation/devicetree/bindings/sound/mt6359.yaml | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/mt6359.yaml b/Documentation/devicetree/bindings/sound/mt6359.yaml
index 23d411fc4200..128698630c86 100644
--- a/Documentation/devicetree/bindings/sound/mt6359.yaml
+++ b/Documentation/devicetree/bindings/sound/mt6359.yaml
@@ -23,8 +23,8 @@ properties:
Indicates how many data pins are used to transmit two channels of PDM
signal. 0 means two wires, 1 means one wire. Default value is 0.
enum:
- - 0 # one wire
- - 1 # two wires
+ - 0 # two wires
+ - 1 # one wire
mediatek,mic-type-0:
$ref: /schemas/types.yaml#/definitions/uint32
@@ -53,9 +53,9 @@ additionalProperties: false
examples:
- |
- mt6359codec: mt6359codec {
- mediatek,dmic-mode = <0>;
- mediatek,mic-type-0 = <2>;
+ mt6359codec: audio-codec {
+ mediatek,dmic-mode = <0>;
+ mediatek,mic-type-0 = <2>;
};
...
--
2.45.2
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