From patchwork Wed Jun 14 12:26:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: YingKun Meng X-Patchwork-Id: 693019 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3AE81EB64DB for ; Thu, 15 Jun 2023 08:18:33 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 11FC384A; Thu, 15 Jun 2023 10:17:41 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 11FC384A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1686817111; bh=HqBB3sd9cFkk9VH7npQRhBUY9Ff9b5cJsJGxcLbdDAI=; h=From:To:Cc:Subject:Date:List-Id:List-Archive:List-Help:List-Owner: List-Post:List-Subscribe:List-Unsubscribe:From; b=du7nhJ2pLoath+04Hc4zpVckPq5kr2BtF3wzINQfwx9Yg/rvQgYbL0b7g2oRagHGs 9+roF2DEVvpJhcBZIFqYuhsmF/0IM+OUTMNTnM9AAj/xTr09G5VAmnj1ghLFmvX79X UYWp7NWaXJDLRXxjy6t2XBKIdQdCIK7Llaoxule4= Received: by alsa1.perex.cz (Postfix, from userid 50401) id B452FF80578; Thu, 15 Jun 2023 10:16:31 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 234CDF8057A; Thu, 15 Jun 2023 10:16:31 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id A4FE7F80149; Wed, 14 Jun 2023 14:29:33 +0200 (CEST) Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by alsa1.perex.cz (Postfix) with ESMTP id 2DFE4F800BA for ; Wed, 14 Jun 2023 14:29:26 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2DFE4F800BA Received: from loongson.cn (unknown [10.180.13.124]) by gateway (Coremail) with SMTP id _____8AxnOoysolkRSEFAA--.10841S3; Wed, 14 Jun 2023 20:27:31 +0800 (CST) Received: from localhost.localdomain (unknown [10.180.13.124]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxbMoxsolkg5oaAA--.1712S4; Wed, 14 Jun 2023 20:27:29 +0800 (CST) From: YingKun Meng To: krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, conor+dt@kernel.org, krzysztof.kozlowski@linaro.org Cc: devicetree@vger.kernel.org, broonie@kernel.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, loongarch@lists.linux.dev, loongson-kernel@lists.loongnix.cn, mengyingkun@loongson.cn Subject: [PATCH v3 3/3] ASoC: dt-bindings: Add support for Loongson audio card Date: Wed, 14 Jun 2023 20:26:59 +0800 Message-Id: <20230614122659.3402788-1-mengyingkun@loongson.cn> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxbMoxsolkg5oaAA--.1712S4 X-CM-SenderInfo: 5phqw55lqjy33q6o00pqjv00gofq/1tbiAQACDGSIXIIYSwARs- X-Coremail-Antispam: 1Uk129KBj93XoW7tF4fKF4xCr4fAr4rXr4rXrc_yoW5Jry5pw s3C34UGr48t3W7Cas5ZFyxAw4fZasayFsrJr42qw1UCFZ8K3WFqw1ak3WUu3W2kr1kJay7 uFyFkr1xGas3CwcCm3ZEXasCq-sJn29KB7ZKAUJUUUU3529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUBYb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ GcCE3s1ln4kS14v26r126r1DM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2 x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5 McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr4 1lc7CjxVAaw2AFwI0_Jw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_ Gr1l4IxYO2xFxVAFwI0_JF0_Jw1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67 AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8I cVAFwI0_Xr0_Ar1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI 8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWxJVW8Jr1lIxAIcVC2z280aVCY1x0267AK xVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU833ktUUUUU== X-MailFrom: mengyingkun@loongson.cn X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1 Message-ID-Hash: 3CX4WHCQ7BLN534R6QIZZENKRTKFLF3E X-Message-ID-Hash: 3CX4WHCQ7BLN534R6QIZZENKRTKFLF3E X-Mailman-Approved-At: Thu, 15 Jun 2023 08:14:32 +0000 X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Yingkun Meng The audio card uses loongson I2S controller present in 7axxx/2kxxx chips to transfer audio data. On loongson platform, the chip has only one I2S controller. Signed-off-by: Yingkun Meng --- Changes v2 -> v3 No change. Changes v1 -> v2 Add chip model restriction for title and descrition. Add 'required' option for sound-dai property. .../sound/loongson,ls-audio-card.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml diff --git a/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml new file mode 100644 index 000000000000..61e8babed402 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/loongson,ls-audio-card.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson 7axxx/2kxxx ASoC audio sound card driver + +maintainers: + - Yingkun Meng + +description: + The binding describes the sound card present in loongson + 7axxx/2kxxx platform. The sound card is an ASoC component + which uses Loongson I2S controller to transfer the audio data. + +properties: + compatible: + const: loongson,ls-audio-card + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + mclk-fs: + $ref: simple-card.yaml#/definitions/mclk-fs + + cpu: + description: Holds subnode which indicates cpu dai. + type: object + additionalProperties: false + properties: + sound-dai: + maxItems: 1 + required: + - sound-dai + + codec: + description: Holds subnode which indicates codec dai. + type: object + additionalProperties: false + properties: + sound-dai: + maxItems: 1 + required: + - sound-dai + +required: + - compatible + - model + - mclk-fs + - cpu + - codec + +additionalProperties: false + +examples: + - | + sound { + compatible = "loongson,ls-audio-card"; + model = "loongson-audio"; + mclk-fs = <512>; + + cpu { + sound-dai = <&i2s>; + }; + codec { + sound-dai = <&es8323>; + }; + };