[PATCH 2/2 V2] ASoC: tas5756m: Add DT binding document
From: Charles-Antoine Couret <hidden>
Date: 2020-02-27 23:23:46
Also in:
alsa-devel
Subsystem:
open firmware and flattened device tree bindings, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Liam Girdwood, Mark Brown, Linus Torvalds
Document the bindings for the tas5756m driver. Signed-off-by: Charles-Antoine Couret <redacted> --- .../devicetree/bindings/sound/tas5756m.yaml | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tas5756m.yaml
diff --git a/Documentation/devicetree/bindings/sound/tas5756m.yaml b/Documentation/devicetree/bindings/sound/tas5756m.yaml
new file mode 100644
index 000000000000..47be70f1633a
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/tas5756m.yaml@@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 + +$id: "http://devicetree.org/schemas/tas5756m.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: TAS5756M audio codec Device Tree Bindings + +maintainers: + - Charles-Antoine Couret <charles-antoine.couret@mind.be> + +description: | + You can read datasheets there: + http://www.ti.com/lit/ds/symlink/tas5754m.pdf + http://www.ti.com/lit/ds/symlink/tas5756m.pdf + + TAS5754M datasheet has a more complete datasheet about register mapping + which is common with TAS5756M. + + Those devices have a programmable DSP whith several modes named hybridflow. + More details about it there: http://www.ti.com/lit/ug/slau577a/slau577a.pdf + +properties: + compatible: + enum: + - "ti,tas5756m" + - "ti,tas5754m" + + reg: + maxItems: 1 + description: I2C slave address + + "#sound-dai-cells": + const: 0 + + mute-gpios + maxItems: 1 + description: GPIO wired to the mute pin. + + ti,hybridflow + description: | + Select the HybridFlow DSP program. + If not supplied default DSP program is used instead. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [1, 2, 3, 4, 5, 6, 7, 8, 9] + +additionalProperties: false + +required: + - "#sound-dai-cells" + - compatible + - reg + +examples: + - | + tas5756m: tas5756m@4c { + compatible = "ti,tas5756m"; + reg = <0x4c>; + #sound-dai-cells = <0>; + + ti,hybridflow = <6>; + mute-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>; + };
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2.24.1