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Subject[PATCH v9 8/8] arm64: dts: allwinner: a64: enable sound on Pinebook
Date
From: Vasily Khoruzhick <anarsoul@gmail.com>

The Pinebook has a headphone jack tied to the HP headphone output of
the SoC, and internal speakers connected to the LINEOUT of the SoC,
through a standalone amplifier.

This commit enables I2S, digital and analog parts of audio codec on
Pinebook, along with a device node for the external amplifier.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
[wens@csie.org: dropped headphone_amp; added headphone amp regulator supply;
fixed speaker_amp node name and sound-name-prefix name]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
---
.../dts/allwinner/sun50i-a64-pinebook.dts | 49 +++++++++++++++++++
1 file changed, 49 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
index ec537c529726..b6d0b926a2ff 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
@@ -74,6 +74,32 @@
compatible = "mmc-pwrseq-simple";
reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
};
+
+ speaker_amp: audio-amplifier {
+ compatible = "simple-audio-amplifier";
+ /*
+ * TODO This is actually a fixed regulator controlled by
+ * the GPIO line on the PMIC. This should be corrected
+ * once GPIO support is added for this PMIC.
+ */
+ VCC-supply = <&reg_ldo_io0>;
+ enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
+ sound-name-prefix = "Speaker Amp";
+ };
+
+};
+
+&codec {
+ hpvcc-supply = <&reg_eldo1>;
+ status = "okay";
+};
+
+&codec_analog {
+ status = "okay";
+};
+
+&dai {
+ status = "okay";
};

&ehci0 {
@@ -277,6 +303,29 @@
vcc-hdmi-supply = <&reg_dldo1>;
};

+&sound {
+ status = "okay";
+ simple-audio-card,aux-devs = <&codec_analog>, <&speaker_amp>;
+ simple-audio-card,widgets = "Microphone", "Internal Microphone Left",
+ "Microphone", "Internal Microphone Right",
+ "Headphone", "Headphone Jack",
+ "Speaker", "Internal Speaker";
+ simple-audio-card,routing =
+ "Left DAC", "AIF1 Slot 0 Left",
+ "Right DAC", "AIF1 Slot 0 Right",
+ "Speaker Amp INL", "LINEOUT",
+ "Speaker Amp INR", "LINEOUT",
+ "Internal Speaker", "Speaker Amp OUTL",
+ "Internal Speaker", "Speaker Amp OUTR",
+ "Headphone Jack", "HP",
+ "AIF1 Slot 0 Left ADC", "Left ADC",
+ "AIF1 Slot 0 Right ADC", "Right ADC",
+ "Internal Microphone Left", "MBIAS",
+ "MIC1", "Internal Microphone Left",
+ "Internal Microphone Right", "HBIAS",
+ "MIC2", "Internal Microphone Right";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pb_pins>;
--
2.19.1
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