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authorRichard Fitzgerald <rf@opensource.cirrus.com>2022-04-05 14:54:18 +0100
committerMark Brown <broonie@kernel.org>2022-04-05 18:27:58 +0100
commit72661ff7662acc00d51976d4b2d2d13eb5628385 (patch)
treed7ee4f8f6822c3c709bfd8064481621224017acb /Documentation
parentASoC: soc-utils: Add kunit test for snd_soc_tdm_params_to_bclk() (diff)
downloadwireguard-linux-72661ff7662acc00d51976d4b2d2d13eb5628385.tar.xz
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ASoC: dt-bindings: cs35l45: Cirrus Logic CS35L45 Smart Amp
This adds the schema binding for the Cirrus Logic CS35L45 Smart Amp and associated header file. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220405135419.1230088-5-rf@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml75
1 files changed, 75 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml
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+++ b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/cirrus,cs35l45.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic CS35L45 Speaker Amplifier
+
+maintainers:
+ - Ricardo Rivera-Matos <rriveram@opensource.cirrus.com>
+ - Richard Fitzgerald <rf@opensource.cirrus.com>
+
+description: |
+ CS35L45 is a Boosted Mono Class D Amplifier with DSP
+ Speaker Protection and Adaptive Battery Management.
+
+properties:
+ compatible:
+ enum:
+ - cirrus,cs35l45
+
+ reg:
+ maxItems: 1
+
+ '#sound-dai-cells':
+ const: 1
+
+ reset-gpios:
+ maxItems: 1
+
+ vdd-a-supply:
+ description: voltage regulator phandle for the VDD_A supply
+
+ vdd-batt-supply:
+ description: voltage regulator phandle for the VDD_BATT supply
+
+ spi-max-frequency:
+ maximum: 5000000
+
+ cirrus,asp-sdout-hiz-ctrl:
+ description:
+ Audio serial port SDOUT Hi-Z control. Sets the Hi-Z
+ configuration for SDOUT pin of amplifier. Logical OR of
+ CS35L45_ASP_TX_HIZ_xxx values.
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ minimum: 0
+ maximum: 3
+ default: 2
+
+required:
+ - compatible
+ - reg
+ - "#sound-dai-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/sound/cs35l45.h>
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cs35l45: cs35l45@2 {
+ #sound-dai-cells = <1>;
+ compatible = "cirrus,cs35l45";
+ reg = <2>;
+ spi-max-frequency = <5000000>;
+ vdd-a-supply = <&dummy_vreg>;
+ vdd-batt-supply = <&dummy_vreg>;
+ reset-gpios = <&gpio 110 0>;
+ cirrus,asp-sdout-hiz-ctrl = <(CS35L45_ASP_TX_HIZ_UNUSED |
+ CS35L45_ASP_TX_HIZ_DISABLED)>;
+ };
+ };