linux-kernel - [PATCH] ARM: dts: imx6sl-evk: Add headphone detection for sound card

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Message-Id: <1596714533-16350-1-git-send-email-shengjiu.wang@nxp.com>
Date:   Thu,  6 Aug 2020 19:48:53 +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: imx6sl-evk: Add headphone detection for sound card

Headphone detection is triggered by GPIO, then driver can
switch between speaker and headphone.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 arch/arm/boot/dts/imx6sl-evk.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index bc86cfaaa9c2..a17d6b784c0d 100644
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -106,6 +106,7 @@ sound {
 			"IN3R", "AMIC";
 		mux-int-port = <2>;
 		mux-ext-port = <3>;
+		hp-det-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>;
 	};
 
 	panel {
@@ -295,6 +296,7 @@ MX6SL_PAD_REF_CLK_32K__GPIO3_IO22 0x17059
 				MX6SL_PAD_KEY_COL4__GPIO4_IO00	0x80000000
 				MX6SL_PAD_KEY_COL5__GPIO4_IO02	0x80000000
 				MX6SL_PAD_AUD_MCLK__AUDIO_CLK_OUT 0x4130b0
+				MX6SL_PAD_FEC_RX_ER__GPIO4_IO19	  0x1b0b0
 			>;
 		};
 
-- 
2.27.0