From: Vincent Knecht <vincent.knecht@mailoo.org>
To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org,
perex@perex.cz, tiwai@suse.com
Cc: stephan@gerhold.net, obayerd@eurocomposant.fr,
alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org,
~postmarketos/upstreaming@lists.sr.ht,
Vincent Knecht <vincent.knecht@mailoo.org>
Subject: [PATCH 1/2] ASoC: dt-bindings: codecs: Add bindings for ak4375
Date: Mon, 13 Dec 2021 16:59:11 +0100 [thread overview]
Message-ID: <20211213155914.2558902-1-vincent.knecht@mailoo.org> (raw)
AK4375 is an audio DAC with headphones amplifier controlled via I2C.
Add simple device tree bindings that describe how to set it up.
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
---
.../devicetree/bindings/sound/ak4375.yaml | 56 +++++++++++++++++++
1 file changed, 56 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/ak4375.yaml
diff --git a/Documentation/devicetree/bindings/sound/ak4375.yaml b/Documentation/devicetree/bindings/sound/ak4375.yaml
new file mode 100644
index 000000000000..295972801872
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ak4375.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/ak4375.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AK4375 DAC and headphones amplifier Device Tree Bindings
+
+maintainers:
+ - Vincent Knecht <vincent.knecht@mailoo.org>
+
+properties:
+ compatible:
+ const: asahi-kasei,ak4375
+
+ reg:
+ maxItems: 1
+
+ '#sound-dai-cells':
+ const: 0
+
+ avdd-supply:
+ description: optional regulator phandle for the AVDD power supply.
+
+ tvdd-supply:
+ description: regulator phandle for the TVDD power supply.
+
+ pdn-gpios:
+ description: optional GPIO to set the PDN pin.
+
+required:
+ - compatible
+ - reg
+ - '#sound-dai-cells'
+ - tvdd-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ headphones: audio-codec@10 {
+ compatible = "asahi-kasei,ak4375";
+ reg = <0x10>;
+ avdd-supply = <®_headphones_avdd>;
+ tvdd-supply = <&pm8916_l6>;
+ pdn-gpios = <&msmgpio 114 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&headphones_pdn_default>;
+ #sound-dai-cells = <0>;
+ };
+ };
--
2.31.1
next reply other threads:[~2021-12-13 16:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-13 15:59 Vincent Knecht [this message]
2021-12-13 15:59 ` [PATCH 2/2] ASoC: Add AK4375 support Vincent Knecht
2021-12-13 19:07 ` Mark Brown
2021-12-14 18:28 ` Vincent Knecht
2021-12-13 15:59 ` [PATCH 1/2] ASoC: dt-bindings: codecs: Add bindings for ak4375 Vincent Knecht
2021-12-15 20:20 ` Rob Herring
2021-12-13 15:59 ` [PATCH 2/2] ASoC: Add AK4375 support Vincent Knecht
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