From patchwork Sat May 27 22:36:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shenghao Ding <13916275206@139.com> X-Patchwork-Id: 686562 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F56EC77B73 for ; Sat, 27 May 2023 22:37:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229445AbjE0WhU (ORCPT ); Sat, 27 May 2023 18:37:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229511AbjE0WhT (ORCPT ); Sat, 27 May 2023 18:37:19 -0400 Received: from n169-111.mail.139.com (n169-111.mail.139.com [120.232.169.111]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0839B198; Sat, 27 May 2023 15:36:41 -0700 (PDT) X-RM-TagInfo: emlType=0 X-RM-SPAM: X-RM-SPAM-FLAG: 00000000 Received: from localhost.localdomain (unknown[183.238.123.190]) by rmsmtp-lg-appmail-18-12021 (RichMail) with SMTP id 2ef5647285f4565-be684; Sun, 28 May 2023 06:36:39 +0800 (CST) X-RM-TRANSID: 2ef5647285f4565-be684 From: Shenghao Ding <13916275206@139.com> To: broonie@kernel.org, devicetree@vger.kernel.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, lgirdwood@gmail.com, perex@perex.cz, pierre-louis.bossart@linux.intel.com Cc: kevin-lu@ti.com, shenghao-ding@ti.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, x1077012@ti.com, peeyush@ti.com, navada@ti.com, gentuser@gmail.com, Ryan_Chu@wistron.com, Sam_Wu@wistron.com, tiwai@suse.de, Shenghao Ding <13916275206@139.com> Subject: [PATCH v4 6/6] ASoC: dt-bindings: Add tas2781 amplifier Date: Sun, 28 May 2023 06:36:32 +0800 Message-Id: <20230527223632.11781-1-13916275206@139.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Create tas2781.yaml for tas2781 driver. Signed-off-by: Shenghao Ding <13916275206@139.com> --- Changes in v4: - remove '\t' in the file Changes to be committed: new file: Documentation/devicetree/bindings/sound/ti,tas2781.yaml --- .../devicetree/bindings/sound/ti,tas2781.yaml | 88 +++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/ti,tas2781.yaml diff --git a/Documentation/devicetree/bindings/sound/ti,tas2781.yaml b/Documentation/devicetree/bindings/sound/ti,tas2781.yaml new file mode 100644 index 000000000000..b3dcd7b18f5d --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ti,tas2781.yaml @@ -0,0 +1,88 @@ +# 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 + +description: + The TAS2781 is a mono, digital input Class-D audio amplifier + optimized for efficiently driving high peak power into small + loudspeakers. Integrated an 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: + '#address-cells': + const: 1 + '#size-cells': + const: 0 + + 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: 4 + items: + minimum: 0x38 + maximum: 0x3f + + reset-gpios: + maxItems: 1 + + interrupts: + maxItems: 1 + + ti,broadcast-addr: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Generic I2C address for all the tas2781 devices in + purpose of I2C broadcast during the multi-device + writes, useless in mono case or remove this item to + disable broadcast mode. + + '#sound-dai-cells': + const: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + i2c { + /* example with quad support, such as tablet or pad device */ + #address-cells = <1>; + #size-cells = <0>; + quad: codec@38 { + compatible = "ti,tas2781"; + reg = < 0x38 /* Audio slot 0 */ + 0x3a /* Audio slot 1 */ + 0x39 /* Audio slot 2 */ + 0x3b /* Audio slot 3 */ + >; + #sound-dai-cells = <1>; + reset-gpios = < &gpio1 10 GPIO_ACTIVE_HIGH >; + interrupt-parent = <&gpio1>; + interrupts = <15>; + /* Generic I2C addr among all the tas2781s for i2c data broadcast */ + ti,broadcast-addr = <0x40>; + }; + }; +...