From patchwork Tue Nov 17 08:03:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Sit Wei Hong X-Patchwork-Id: 325548 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E248C2D0E4 for ; Tue, 17 Nov 2020 08:13:03 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 065E822447 for ; Tue, 17 Nov 2020 08:13:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="mpA0d345" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 065E822447 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 7E175168B; Tue, 17 Nov 2020 09:12:10 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 7E175168B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1605600780; bh=3tSDbfVBt6kmwJIhc6jP5G91e1Zak81ckSNzcDVpuOs=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=mpA0d345KNUJiRbAh9NfLL90AwHVNNrVSxexu60atvQx8UG2jERqi2/XNjY/htqbC 0wFlp+4Y+F1yB/DVBZJ9NKyLfT/KQB75Dc+BHayaljgXF0Ls1BYONBpjo+oFNiSl40 vVmEStUllQ8sos+yI+7FUwmuvv3K0I3C61B89FR8= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 74030F804C3; Tue, 17 Nov 2020 09:11:11 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 12513F802A9; Tue, 17 Nov 2020 09:11:08 +0100 (CET) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9A77FF801F5 for ; Tue, 17 Nov 2020 09:10:50 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9A77FF801F5 IronPort-SDR: CCxlAXMD+zhSZMLTOZpqs4LizLsJkkjNInESFkqLbm4vD54VQNbG9HwoANKx6TZjO99+ae/Qmx xFPUvvmx7bzw== X-IronPort-AV: E=McAfee;i="6000,8403,9807"; a="232498815" X-IronPort-AV: E=Sophos;i="5.77,484,1596524400"; d="scan'208";a="232498815" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2020 00:10:43 -0800 IronPort-SDR: pP6wW8CrZWjR4SiFA84yhAiJz900TzgzZxJkECaaHofc4WGf20hH3godlG91piCsCS+9nXwEJB exo56O6KgMSw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,484,1596524400"; d="scan'208";a="358799133" Received: from mike-ilbpg1.png.intel.com ([10.88.227.76]) by fmsmga004.fm.intel.com with ESMTP; 17 Nov 2020 00:10:41 -0800 From: Michael Sit Wei Hong To: alsa-devel@alsa-project.org Subject: [RFC PATCH 1/4] dt-bindings: sound: intel, keembay-i2s: Add info for device to use DMA Date: Tue, 17 Nov 2020 16:03:47 +0800 Message-Id: <20201117080354.4309-3-michael.wei.hong.sit@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201117080354.4309-1-michael.wei.hong.sit@intel.com> References: <20201117080354.4309-1-michael.wei.hong.sit@intel.com> Cc: cezary.rojewski@intel.com, lars@metafoo.de, andriy.shevchenko@intel.com, tiwai@suse.com, jee.heng.sia@intel.com, pierre-louis.bossart@linux.intel.com, liam.r.girdwood@linux.intel.com, vkoul@kernel.org, broonie@kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Add descriptions for entries needed for audio device to use DMA channels for audio playback and capture. Signed-off-by: Michael Sit Wei Hong Reviewed-by: Pierre-Louis Bossart --- .../bindings/sound/intel,keembay-i2s.yaml | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml b/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml index d346e61ab708..e0658f122cbb 100644 --- a/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml @@ -45,6 +45,18 @@ properties: - const: osc - const: apb_clk + dmas: + items: + - description: DMA controller phandle and DMA channel + for TX and RX + + dma-names: + items: + - description: "tx" for the transmit channel + "rx" for the receive channel + - const: tx + - const: rx + required: - compatible - "#sound-dai-cells" @@ -70,4 +82,6 @@ examples: interrupts = ; clock-names = "osc", "apb_clk"; clocks = <&scmi_clk KEEM_BAY_PSS_AUX_I2S3>, <&scmi_clk KEEM_BAY_PSS_I2S3>; + dmas = <&axi_dma0 29 &axi_dma0 33>; + dma-names = "tx", "rx"; };