linux-kernel - [PATCH] ARM: dts: imx6qdl-sabresd: Support headphone and microphone detection

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Message-Id: <1596623944-3104-1-git-send-email-shengjiu.wang@nxp.com>
Date:   Wed,  5 Aug 2020 18:39:04 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     robh+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] ARM: dts: imx6qdl-sabresd: Support headphone and microphone detection

Add "DMIC" rounting, headphone and microphone detect gpio for sound
card, then output sound can switch between headphone and speaker.
input sound can switch between DMIC and AMIC.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
index 28b35ccb3757..d933b5384a96 100644
--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
@@ -105,9 +105,13 @@ sound {
 			"Ext Spk", "SPKOUTL",
 			"Ext Spk", "SPKOUTR",
 			"AMIC", "MICBIAS",
-			"IN3R", "AMIC";
+			"IN3R", "AMIC",
+			"DMIC", "MICBIAS",
+			"DMICDAT", "DMIC";
 		mux-int-port = <2>;
 		mux-ext-port = <3>;
+		hp-det-gpio = <&gpio7 8 GPIO_ACTIVE_LOW>;
+		mic-det-gpio = <&gpio1 9 GPIO_ACTIVE_LOW>;
 	};
 
 	backlight_lvds: backlight-lvds {
-- 
2.27.0