From patchwork Wed Mar 29 15:33:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Walker Chen X-Patchwork-Id: 13192885 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 B291AC74A5B for ; Wed, 29 Mar 2023 16:16:11 +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 918F5E12; Wed, 29 Mar 2023 18:15:19 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 918F5E12 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1680106569; bh=4MelF61u3XuKw9dFs91lDORcDIfaFEje+8xpuMSgiLI=; h=From:To:Subject:Date:In-Reply-To:References:CC:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=SVjZ5yxpIIJepZh3/6T+zd/qfXQdZZn92pbADZ5yKF8o9v5AFQ+BpY9LL27BqHSZy RlM7uJ5XZdw0k7iGP2khcUy4p6G1BXYbCkuZvoc+FS+1r/33ohGvl7rIthXfsazl14 Ml+v2rtpq3RIVnlbjKja6dDUoQzdiC2z/WkFIU0Y= Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id D979FF80579; Wed, 29 Mar 2023 18:13:55 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 0164DF80527; Wed, 29 Mar 2023 17:33:57 +0200 (CEST) Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 14BA3F8032D for ; Wed, 29 Mar 2023 17:33:40 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 14BA3F8032D Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 5A6E724DC09; Wed, 29 Mar 2023 23:33:33 +0800 (CST) Received: from EXMBX168.cuchost.com (172.16.6.78) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 29 Mar 2023 23:33:33 +0800 Received: from localhost.localdomain (113.72.144.76) by EXMBX168.cuchost.com (172.16.6.78) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 29 Mar 2023 23:33:32 +0800 From: Walker Chen To: Jaroslav Kysela , Takashi Iwai , "Rob Herring" , Krzysztof Kozlowski , Conor Dooley , Emil Renner Berthing , Walker Chen Subject: [PATCH v1 1/3] dt-bindings: sound: Add TDM for StarFive JH7110 Date: Wed, 29 Mar 2023 23:33:18 +0800 Message-ID: <20230329153320.31390-2-walker.chen@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230329153320.31390-1-walker.chen@starfivetech.com> References: <20230329153320.31390-1-walker.chen@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.144.76] X-ClientProxiedBy: EXCAS066.cuchost.com (172.16.6.26) To EXMBX168.cuchost.com (172.16.6.78) X-YovoleRuleAgent: yovoleflag X-MailFrom: walker.chen@starfivetech.com 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: GV4IVWUXU3NT3CHNQJ4G6SLYGTHKOCEZ X-Message-ID-Hash: GV4IVWUXU3NT3CHNQJ4G6SLYGTHKOCEZ X-Mailman-Approved-At: Wed, 29 Mar 2023 16:13:49 +0000 CC: alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org 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: Add bindings to describe the TDM driver for the StarFive JH7110 SoC. Signed-off-by: Walker Chen --- .../bindings/sound/starfive,jh7110-tdm.yaml | 95 +++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml diff --git a/Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml b/Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml new file mode 100644 index 000000000000..d65b9ed781ef --- /dev/null +++ b/Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/starfive,jh7110-tdm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 TDM Controller + +description: | + The TDM Controller is a Time Division Multiplexed audio interface + integrated in StarFive JH7110 SoC, allowing up to 8 channels of + audio over a serial interface. The TDM controller can operate both + in master and slave mode. + +maintainers: + - Walker Chen + +properties: + compatible: + enum: + - starfive,jh7110-tdm + + reg: + maxItems: 1 + + clocks: + items: + - description: TDM AHB Clock + - description: TDM APB Clock + - description: TDM Internal Clock + - description: TDM Clock + - description: Inner MCLK + - description: TDM External Clock + + clock-names: + items: + - const: tdm_ahb + - const: tdm_apb + - const: tdm_internal + - const: tdm + - const: mclk_inner + - const: tdm_ext + + resets: + items: + - description: tdm ahb reset line + - description: tdm apb reset line + - description: tdm core reset line + + dmas: + items: + - description: RX DMA Channel + - description: TX DMA Channel + + dma-names: + items: + - const: rx + - const: tx + + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - dmas + - dma-names + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + tdm: tdm@10090000 { + compatible = "starfive,jh7110-tdm"; + reg = <0x10090000 0x1000>; + clocks = <&syscrg 184>, + <&syscrg 185>, + <&syscrg 186>, + <&syscrg 187>, + <&syscrg 17>, + <&tdm_ext>; + clock-names = "tdm_ahb", "tdm_apb", + "tdm_internal", "tdm", + "mclk_inner", "tdm_ext"; + resets = <&syscrg 105>, + <&syscrg 107>, + <&syscrg 106>; + dmas = <&dma 20>, <&dma 21>; + dma-names = "rx","tx"; + #sound-dai-cells = <0>; + };