linux-kernel - [PATCH v2 13/14] ARM: dts: sun6i: hummingbird: Enable internal audio codec

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Date:   Thu,  3 Nov 2016 15:55:55 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Chen-Yu Tsai <wens@...e.org>, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: [PATCH v2 13/14] ARM: dts: sun6i: hummingbird: Enable internal audio codec

The Hummingbird A31 has headset and line in audio jacks and an onboard
mic routed to the pins for the SoC's internal codec. The line out pins
are routed to an onboard speaker amp, whose output is available on a
pin header.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 arch/arm/boot/dts/sun6i-a31-hummingbird.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
index 9a74637f677f..48c041b75aab 100644
--- a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
+++ b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
@@ -69,6 +69,19 @@
 	};
 };
 
+&codec {
+	allwinner,audio-routing =
+		"Headphone", "HP",
+		"Speaker", "LINEOUT",
+		"LINEIN", "Line In",
+		"MIC1", "Mic",
+		"MIC2", "Headset Mic",
+		"Mic",	"MBIAS",
+		"Headset Mic", "HBIAS";
+	allwinner,pa-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>; /* PH22 */
+	status = "okay";
+};
+
 &cpu0 {
 	cpu-supply = <&reg_dcdc3>;
 };
@@ -152,6 +165,13 @@
 };
 
 &pio {
+	codec_pa_pin: codec_pa_pin@0 {
+		allwinner,pins = "PH22";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
 	gmac_phy_reset_pin_hummingbird: gmac_phy_reset_pin@0 {
 		allwinner,pins = "PA21";
 		allwinner,function = "gpio_out";
-- 
2.10.2