13e4ecd6cSShenghao Ding# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 23e4ecd6cSShenghao Ding# Copyright (C) 2022 - 2023 Texas Instruments Incorporated 33e4ecd6cSShenghao Ding%YAML 1.2 43e4ecd6cSShenghao Ding--- 53e4ecd6cSShenghao Ding$id: http://devicetree.org/schemas/sound/ti,tas2781.yaml# 63e4ecd6cSShenghao Ding$schema: http://devicetree.org/meta-schemas/core.yaml# 73e4ecd6cSShenghao Ding 83dbb4e36SShenghao Dingtitle: Texas Instruments TAS2563/TAS2781 SmartAMP 93e4ecd6cSShenghao Ding 103e4ecd6cSShenghao Dingmaintainers: 113e4ecd6cSShenghao Ding - Shenghao Ding <shenghao-ding@ti.com> 123e4ecd6cSShenghao Ding 133dbb4e36SShenghao Dingdescription: | 143dbb4e36SShenghao Ding The TAS2563/TAS2781 is a mono, digital input Class-D audio 153dbb4e36SShenghao Ding amplifier optimized for efficiently driving high peak power into 163dbb4e36SShenghao Ding small loudspeakers. An integrated on-chip DSP supports Texas 173dbb4e36SShenghao Ding Instruments Smart Amp speaker protection algorithm. The 183dbb4e36SShenghao Ding integrated speaker voltage and current sense provides for real time 193e4ecd6cSShenghao Ding monitoring of loudspeaker behavior. 203e4ecd6cSShenghao Ding 213dbb4e36SShenghao Ding Specifications about the audio amplifier can be found at: 223dbb4e36SShenghao Ding https://www.ti.com/lit/gpn/tas2563 233dbb4e36SShenghao Ding https://www.ti.com/lit/gpn/tas2781 243e4ecd6cSShenghao Ding 253e4ecd6cSShenghao Dingproperties: 263e4ecd6cSShenghao Ding compatible: 273dbb4e36SShenghao Ding description: | 283dbb4e36SShenghao Ding ti,tas2563: 6.1-W Boosted Class-D Audio Amplifier With Integrated 293dbb4e36SShenghao Ding DSP and IV Sense, 16/20/24/32bit stereo I2S or multichannel TDM. 303dbb4e36SShenghao Ding 313dbb4e36SShenghao Ding ti,tas2781: 24-V Class-D Amplifier with Real Time Integrated Speaker 323dbb4e36SShenghao Ding Protection and Audio Processing, 16/20/24/32bit stereo I2S or 333dbb4e36SShenghao Ding multichannel TDM. 343dbb4e36SShenghao Ding oneOf: 353dbb4e36SShenghao Ding - items: 363dbb4e36SShenghao Ding - enum: 373dbb4e36SShenghao Ding - ti,tas2563 383dbb4e36SShenghao Ding - const: ti,tas2781 393dbb4e36SShenghao Ding - enum: 403e4ecd6cSShenghao Ding - ti,tas2781 413e4ecd6cSShenghao Ding 423e4ecd6cSShenghao Ding reg: 433e4ecd6cSShenghao Ding description: 443dbb4e36SShenghao Ding I2C address, in multiple-AMP case, all the i2c address 4547aab533SBjorn Helgaas aggregate as one Audio Device to support multiple audio slots. 463e4ecd6cSShenghao Ding maxItems: 8 473e4ecd6cSShenghao Ding minItems: 1 483e4ecd6cSShenghao Ding 493e4ecd6cSShenghao Ding reset-gpios: 503e4ecd6cSShenghao Ding maxItems: 1 513e4ecd6cSShenghao Ding 523e4ecd6cSShenghao Ding interrupts: 533e4ecd6cSShenghao Ding maxItems: 1 543e4ecd6cSShenghao Ding 553e4ecd6cSShenghao Ding '#sound-dai-cells': 563e4ecd6cSShenghao Ding const: 0 573e4ecd6cSShenghao Ding 583e4ecd6cSShenghao Dingrequired: 593e4ecd6cSShenghao Ding - compatible 603e4ecd6cSShenghao Ding - reg 613e4ecd6cSShenghao Ding 623dbb4e36SShenghao DingallOf: 633dbb4e36SShenghao Ding - $ref: dai-common.yaml# 643dbb4e36SShenghao Ding - if: 653dbb4e36SShenghao Ding properties: 663dbb4e36SShenghao Ding compatible: 673dbb4e36SShenghao Ding contains: 683dbb4e36SShenghao Ding enum: 693dbb4e36SShenghao Ding - ti,tas2563 703dbb4e36SShenghao Ding then: 713dbb4e36SShenghao Ding properties: 723dbb4e36SShenghao Ding reg: 733dbb4e36SShenghao Ding description: 743dbb4e36SShenghao Ding I2C address, in multiple-AMP case, all the i2c address 753dbb4e36SShenghao Ding aggregate as one Audio Device to support multiple audio slots. 763dbb4e36SShenghao Ding maxItems: 4 773dbb4e36SShenghao Ding minItems: 1 783dbb4e36SShenghao Ding items: 793dbb4e36SShenghao Ding minimum: 0x4c 803dbb4e36SShenghao Ding maximum: 0x4f 813dbb4e36SShenghao Ding 823dbb4e36SShenghao Ding - if: 833dbb4e36SShenghao Ding properties: 843dbb4e36SShenghao Ding compatible: 853dbb4e36SShenghao Ding contains: 863dbb4e36SShenghao Ding enum: 873dbb4e36SShenghao Ding - ti,tas2781 883dbb4e36SShenghao Ding then: 893dbb4e36SShenghao Ding properties: 903dbb4e36SShenghao Ding reg: 913dbb4e36SShenghao Ding description: 923dbb4e36SShenghao Ding I2C address, in multiple-AMP case, all the i2c address 933dbb4e36SShenghao Ding aggregate as one Audio Device to support multiple audio slots. 943dbb4e36SShenghao Ding maxItems: 8 953dbb4e36SShenghao Ding minItems: 1 963dbb4e36SShenghao Ding items: 973dbb4e36SShenghao Ding minimum: 0x38 983dbb4e36SShenghao Ding maximum: 0x3f 993dbb4e36SShenghao Ding 1003e4ecd6cSShenghao DingadditionalProperties: false 1013e4ecd6cSShenghao Ding 1023e4ecd6cSShenghao Dingexamples: 1033e4ecd6cSShenghao Ding - | 1043e4ecd6cSShenghao Ding #include <dt-bindings/gpio/gpio.h> 105*fffe003fSKrzysztof Kozlowski 1063e4ecd6cSShenghao Ding i2c { 1073e4ecd6cSShenghao Ding /* example with quad tas2781s, such as tablet or pad device */ 1083e4ecd6cSShenghao Ding #address-cells = <1>; 1093e4ecd6cSShenghao Ding #size-cells = <0>; 110*fffe003fSKrzysztof Kozlowski 111*fffe003fSKrzysztof Kozlowski audio-codec@38 { 1123e4ecd6cSShenghao Ding compatible = "ti,tas2781"; 1133e4ecd6cSShenghao Ding reg = <0x38>, /* Audio slot 0 */ 1143e4ecd6cSShenghao Ding <0x3a>, /* Audio slot 1 */ 1153e4ecd6cSShenghao Ding <0x39>, /* Audio slot 2 */ 1163e4ecd6cSShenghao Ding <0x3b>; /* Audio slot 3 */ 1173e4ecd6cSShenghao Ding 1183e4ecd6cSShenghao Ding #sound-dai-cells = <0>; 1193e4ecd6cSShenghao Ding reset-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; 1203e4ecd6cSShenghao Ding interrupt-parent = <&gpio1>; 1213e4ecd6cSShenghao Ding interrupts = <15>; 1223e4ecd6cSShenghao Ding }; 1233e4ecd6cSShenghao Ding }; 1243e4ecd6cSShenghao Ding... 125