From: "Nuno Sá" <nuno.sa@analog.com>
To: <devicetree@vger.kernel.org>, <alsa-devel@alsa-project.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Lars-Peter Clausen <lars@metafoo.de>,
Takashi Iwai <tiwai@suse.com>, Rob Herring <robh+dt@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>
Subject: [alsa-devel] [PATCH v2 2/2] dt-bindings: asoc: Add ADAU7118 documentation
Date: Wed, 2 Oct 2019 12:37:29 +0200 [thread overview]
Message-ID: <20191002103729.94676-2-nuno.sa@analog.com> (raw)
In-Reply-To: <20191002103729.94676-1-nuno.sa@analog.com>
Document the ADAU7118 8 channel PDM to I2S/TDM converter devicetree
bindings.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
---
Changes in v2:
* List regulators as required.
.../bindings/sound/adi,adau7118.yaml | 90 +++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 91 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/adi,adau7118.yaml
diff --git a/Documentation/devicetree/bindings/sound/adi,adau7118.yaml b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
new file mode 100644
index 000000000000..5713133005b5
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/adi,adau7118.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+
+title: Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter
+
+maintainers:
+ - Nuno Sá <nuno.sa@analog.com>
+
+description: |
+ Analog Devices ADAU7118 8 Channel PDM to I2S/TDM Converter over I2C or HW
+ standalone mode.
+ https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU7118.pdf
+
+properties:
+ compatible:
+ enum:
+ - adi,adau7118
+
+ reg:
+ maxItems: 1
+
+ "#sound-dai-cells":
+ const: 0
+
+ IOVDD-supply:
+ description: Digital Input/Output Power Supply.
+ $ref: "/schemas/types.yaml#/definitions/phandle"
+
+ DVDD-supply:
+ description: Internal Core Digital Power Supply.
+ $ref: "/schemas/types.yaml#/definitions/phandle"
+
+ adi,decimation-ratio:
+ description: |
+ This property set's the decimation ratio of PDM to PCM audio data.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - enum: [64, 32, 16]
+ default: 64
+
+ adi,pdm-clk-map:
+ description: |
+ The ADAU7118 has two PDM clocks for the four Inputs. Each input must be
+ assigned to one of these two clocks. This property set's the mapping
+ between the clocks and the inputs.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32-array
+ - minItems: 4
+ maxItems: 4
+ items:
+ maximum: 1
+ default: [0, 0, 1, 1]
+
+required:
+ - "#sound-dai-cells"
+ - compatible
+ - IOVDD-supply
+ - DVDD-supply
+
+examples:
+ - |
+ i2c0 {
+ /* example with i2c support */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+ adau7118_codec: adau7118-codec@14 {
+ compatible = "adi,adau7118";
+ reg = <14>;
+ #sound-dai-cells = <0>;
+ status = "okay";
+ IOVDD-supply = <&supply>;
+ DVDD-supply = <&supply>;
+ adi,pdm-clk-map = <1 1 0 0>;
+ adi,decimation-ratio = <16>;
+ };
+ };
+
+ /* example with hw standalone mode */
+ adau7118_codec_hw: adau7118-codec-hw {
+ compatible = "adi,adau7118";
+ #sound-dai-cells = <0>;
+ status = "okay";
+ IOVDD-supply = <&supply>;
+ DVDD-supply = <&supply>;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 8ba47cac8e83..58f7bc6e8897 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1013,6 +1013,7 @@ F: sound/soc/codecs/ad1*
F: sound/soc/codecs/ad7*
F: sound/soc/codecs/ssm*
F: sound/soc/codecs/sigmadsp.*
+F: Documentation/devicetree/bindings/sound/adi,adau*
ANALOG DEVICES INC DMA DRIVERS
M: Lars-Peter Clausen <lars@metafoo.de>
--
2.23.0
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prev parent reply other threads:[~2019-10-02 10:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-02 10:37 [alsa-devel] [PATCH v2 1/2] ASOC: Add ADAU7118 8 Channel PDM-to-I2S/TDM Converter driver Nuno Sá
2019-10-02 10:37 ` Nuno Sá [this message]
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