* [PATCH 2/2 V2] ASoC: tas5756m: Add DT binding document
[not found] <20200227232327.46309-1-charles-antoine.couret@mind.be>
@ 2020-02-27 23:23 ` Charles-Antoine Couret
2020-02-28 15:08 ` Rob Herring
0 siblings, 1 reply; 2+ messages in thread
From: Charles-Antoine Couret @ 2020-02-27 23:23 UTC (permalink / raw)
To: alsa-devel; +Cc: Charles-Antoine Couret, devicetree
Document the bindings for the tas5756m driver.
Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@mind.be>
---
.../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>;
+ };
--
2.24.1
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