[PATCH v3 7/9] ASoC: dt-bindings: loongson,ls-audio-card: Add ATK-DL2K0300B compatible
From: Binbin Zhou <zhoubinbin@loongson.cn>
Date: 2026-06-26 02:27:43
Also in:
linux-sound, loongarch
Subsystem:
loongson audio (asoc) drivers, open firmware and flattened device tree bindings, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Binbin Zhou, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Liam Girdwood, Mark Brown, Linus Torvalds
Add new compatible for the ATK-DL2K0300B development board based on Loongson-2K0300. Unlike others, this board features GPIO-controlled headphone detection, headphone control, and speaker enable. Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn> --- .../sound/loongson,ls-audio-card.yaml | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml
index 8c214e5d04b1..dc7f4afbb777 100644
--- a/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml
+++ b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml@@ -23,6 +23,7 @@ properties: enum: - loongson,ls-audio-card # Loongson-2K1000/Loongson-2K2000/LS7A - loongson,ls2k0300-forever-pi-audio-card # CTCISZ Forever Pi + - loongson,ls2k0300-dl2k0300b-audio-card # ATK-DL2K0300B mclk-fs: $ref: simple-card.yaml#/definitions/mclk-fs
@@ -47,6 +48,18 @@ properties: required: - sound-dai + spkr-en-gpios: + maxItems: 1 + description: The GPIO that enables the speakers + + hp-ctl-gpios: + maxItems: 1 + description: The GPIO that control the headphones + + hp-det-gpios: + maxItems: 1 + description: The GPIO that detect headphones are plugged in + required: - compatible - mclk-fs
@@ -69,3 +82,28 @@ examples: sound-dai = <&es8323>; }; }; + + - | + #include <dt-bindings/gpio/gpio.h> + + sound { + compatible = "loongson,ls2k0300-dl2k0300b-audio-card"; + model = "loongson-audio"; + mclk-fs = <512>; + hp-det-gpios = <&gpio 81 GPIO_ACTIVE_HIGH>; + spkr-en-gpios = <&gpio 86 GPIO_ACTIVE_HIGH>; + hp-ctl-gpios = <&gpio 87 GPIO_ACTIVE_HIGH>; + audio-routing = + "Headphone", "LOUT1", + "Headphone", "ROUT1", + "Speaker", "LOUT2", + "Speaker", "ROUT2"; + + cpu { + sound-dai = <&i2s>; + }; + + codec { + sound-dai = <&es8388>; + }; + };
--
2.52.0