linux-kernel - [PATCH] arm64: dts: mediatek: mt8390-genio-common: Add jack detection with accdet

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Message-Id: <20250304-genio700-accdet-dts-v1-1-86d77c5cc745@collabora.com>
Date: Tue, 04 Mar 2025 18:43:49 -0300
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: 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>
Cc: kernel@...labora.com, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, 
 Nícolas F. R. A. Prado <nfraprado@...labora.com>
Subject: [PATCH] arm64: dts: mediatek: mt8390-genio-common: Add jack
 detection with accdet

Enable audio jack detection for the Genio 700 and 510 EVK boards. This
is handled by the MT6359 ACCDET block, which on these boards has the
HP_EINT pin pulled high and connected to a normally open 3.5mm jack.

Add a phandle to the accdet in the sound card node so the machine sound
driver can initialize the accdet.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
---
This patch depends on both "Allow retrieving accessory detection
reference on MT8188" [1] and "Get mt6359-accdet ready for usage in
Devicetree" [2].

[1] https://lore.kernel.org/all/20250304-mt8188-accdet-v2-0-27f496c4aede@collabora.com
[2] https://lore.kernel.org/all/20250304-mt6359-accdet-dts-v3-0-5b0eafc29f5b@collabora.com
---
 arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
index 992bf60c097ae3b1fd6d4e62ef1a327b146496ef..e53c6b0b5a53a616a1684e6efc3758f449294bb9 100644
--- a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
@@ -1189,6 +1189,7 @@ &sound {
 		"AP DMIC", "AUDGLB",
 		"AP DMIC", "MIC_BIAS_0",
 		"AP DMIC", "MIC_BIAS_2";
+	mediatek,accdet = <&accdet>;
 	mediatek,adsp = <&adsp>;
 	status = "okay";

---
base-commit: 20d5c66e1810e6e8805ec0d01373afb2dba9f51a
change-id: 20250304-genio700-accdet-dts-4a4767fef27d

Best regards,
-- 
Nícolas F. R. A. Prado <nfraprado@...labora.com>