diff options
| author | Shenghao Ding <13916275206@139.com> | 2023-06-18 20:28:19 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-06-19 12:59:32 +0100 |
| commit | 3e4ecd6c4e14e1eff8f52bd89240399e7dac881c (patch) | |
| tree | bdf80a56afd6e9ff94656abf30751ddd3c79eebb /Documentation/devicetree/bindings/sound | |
| parent | ef3bcde75d06d65f78ba38a30d5a87fb83a5cdae (diff) | |
| download | lwn-3e4ecd6c4e14e1eff8f52bd89240399e7dac881c.tar.gz lwn-3e4ecd6c4e14e1eff8f52bd89240399e7dac881c.zip | |
ASoC: dt-bindings: Add tas2781 amplifier
Create tas2781.yaml for tas2781 driver.
Signed-off-by: Shenghao Ding <13916275206@139.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230618122819.23143-4-13916275206@139.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/ti,tas2781.yaml | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/ti,tas2781.yaml b/Documentation/devicetree/bindings/sound/ti,tas2781.yaml new file mode 100644 index 000000000000..8d60e4e236d6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ti,tas2781.yaml @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 - 2023 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/ti,tas2781.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments TAS2781 SmartAMP + +maintainers: + - Shenghao Ding <shenghao-ding@ti.com> + +description: + The TAS2781 is a mono, digital input Class-D audio amplifier + optimized for efficiently driving high peak power into small + loudspeakers. An integrated on-chip DSP supports Texas Instruments + Smart Amp speaker protection algorithm. The integrated speaker + voltage and current sense provides for real time + monitoring of loudspeaker behavior. + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + enum: + - ti,tas2781 + + reg: + description: + I2C address, in multiple tas2781s case, all the i2c address + aggreate as one Audio Device to support multiple audio slots. + maxItems: 8 + minItems: 1 + items: + minimum: 0x38 + maximum: 0x3f + + reset-gpios: + maxItems: 1 + + interrupts: + maxItems: 1 + + '#sound-dai-cells': + const: 0 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + i2c { + /* example with quad tas2781s, such as tablet or pad device */ + #address-cells = <1>; + #size-cells = <0>; + quad_tas2781: tas2781@38 { + compatible = "ti,tas2781"; + reg = <0x38>, /* Audio slot 0 */ + <0x3a>, /* Audio slot 1 */ + <0x39>, /* Audio slot 2 */ + <0x3b>; /* Audio slot 3 */ + + #sound-dai-cells = <0>; + reset-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&gpio1>; + interrupts = <15>; + }; + }; +... |