From patchwork Mon Jun 12 08:56:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yingkun Meng X-Patchwork-Id: 13276905 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 5F9F6C88CB2 for ; Mon, 12 Jun 2023 15:34:20 +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 41DBE82C; Mon, 12 Jun 2023 17:33:28 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 41DBE82C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1686584058; bh=D+h6zmi1PwBN46LQ6PqhDOlK8bzw1EsX2G2MZRtDlS0=; h=From:To:Cc:Subject:Date:List-Id:List-Archive:List-Help:List-Owner: List-Post:List-Subscribe:List-Unsubscribe:From; b=gpc7gXvLCIuFuAvOO0kZUNNEI3/nR5hMWOBT0LNdVJPMX9Nn/sGoVUZGmA5MU7IEv JkwMZbnXmOFUAmw0TyAjf/CclFlXJ7aLcdnVjhP12GROVm/2WszkGxMFIiBLB2kk/i +vIwXep2hEwQGQDSV9SLO/Zn+qlwaWOOV2Jr6n/Q= Received: by alsa1.perex.cz (Postfix, from userid 50401) id D98F6F805C2; Mon, 12 Jun 2023 17:32:04 +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 589CEF805C6; Mon, 12 Jun 2023 17:32:04 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id DBAA6F80132; Mon, 12 Jun 2023 10:58:14 +0200 (CEST) Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by alsa1.perex.cz (Postfix) with ESMTP id 64093F800ED for ; Mon, 12 Jun 2023 10:58:11 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 64093F800ED Received: from loongson.cn (unknown [10.180.13.124]) by gateway (Coremail) with SMTP id _____8Dxi+rL3YZkU5kDAA--.7643S3; Mon, 12 Jun 2023 16:56:43 +0800 (CST) Received: from localhost.localdomain (unknown [10.180.13.124]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxGOXI3YZkWGoVAA--.61871S4; Mon, 12 Jun 2023 16:56:41 +0800 (CST) From: YingKun Meng To: krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, conor+dt@kernel.org Cc: broonie@kernel.org, lgirdwood@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, loongarch@lists.linux.dev, loongson-kernel@lists.loongnix.cn, Yingkun Meng Subject: [ PATCH v2 3/3] ASoC: dt-bindings: Add support for Loongson audio card Date: Mon, 12 Jun 2023 16:56:14 +0800 Message-Id: <20230612085614.3039498-1-mengyingkun@loongson.cn> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxGOXI3YZkWGoVAA--.61871S4 X-CM-SenderInfo: 5phqw55lqjy33q6o00pqjv00gofq/1tbiAQAADGSFuYEEQQAMsd X-Coremail-Antispam: 1Uk129KBj93XoW7tF4fAFWfCrWUAFWUKr4xZrc_yoW8Kr15pw s3C347Gr48t3W7C395ZFyxJw4fZasayFsrXr42q34UCFZ8Ka4Fqw4ak3WUu3W2kF1kJay7 uFyFkw18Gas3CwcCm3ZEXasCq-sJn29KB7ZKAUJUUUU8529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUkFb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVWxJr0_GcWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27w Aqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jw0_WrylYx0Ex4A2jsIE 14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x 0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E 7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcV C0I7IYx2IY67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF 04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7 CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07josjUUUUUU= 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: W6RHBSHILW65GJ7TNJLPYWHAQ6BOGBEL X-Message-ID-Hash: W6RHBSHILW65GJ7TNJLPYWHAQ6BOGBEL X-Mailman-Approved-At: Mon, 12 Jun 2023 15:31:58 +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 --- .../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>; + }; + };