From patchwork Thu May 16 07:59:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 10945843 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 94B6F912 for ; Thu, 16 May 2019 08:00:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 864BB28A85 for ; Thu, 16 May 2019 08:00:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 798BD28A8B; Thu, 16 May 2019 08:00:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7B92B28A85 for ; Thu, 16 May 2019 08:00:36 +0000 (UTC) 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 3284A16A2; Thu, 16 May 2019 09:59:44 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3284A16A2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1557993634; bh=iQcckqNVWP0gith1NPA7d8YcyT1zzRN9c1DURB89sNg=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=q4gmxF1035t804upHICVh2bV1bjnkQXBM8GahVlJsxt8gs0aHyz6olm3Ad4RGbOs4 zuy6bqSAkfB0YvNBLk4AB0exuGEs5cEgA4NqMVTiVtNHtXKEyD9wLIYpgglX0KWZ1T R+WFtX9zGzUii7IqmqAiyuVHsdpuWi9BKKKDnfGA= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id AF445F896B6; Thu, 16 May 2019 09:59:43 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id E7095F896B7; Thu, 16 May 2019 09:59:41 +0200 (CEST) Received: from relay12.mail.gandi.net (relay12.mail.gandi.net [217.70.178.232]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 64ECBF80C18 for ; Thu, 16 May 2019 09:59:39 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 64ECBF80C18 Received: from localhost (unknown [80.215.246.107]) (Authenticated sender: maxime.ripard@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 11CAA200008; Thu, 16 May 2019 07:59:34 +0000 (UTC) From: Maxime Ripard To: Mark Brown , Liam Girdwood , Mark Rutland , Rob Herring , Frank Rowand Date: Thu, 16 May 2019 09:59:26 +0200 Message-Id: X-Mailer: git-send-email 2.21.0 In-Reply-To: <706cb97ae45cc9edc49c8709b2189ed786d2c7db.1557993523.git-series.maxime.ripard@bootlin.com> References: <706cb97ae45cc9edc49c8709b2189ed786d2c7db.1557993523.git-series.maxime.ripard@bootlin.com> MIME-Version: 1.0 Cc: Maxime Ripard , devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Chen-Yu Tsai , linux-arm-kernel@lists.infradead.org Subject: [alsa-devel] [PATCH v3 2/2] dt-bindings: sound: sun4i-spdif: Document that the RX channel can be missing 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" X-Virus-Scanned: ClamAV using ClamSMTP The H3 and compatibles controllers don't have any reception capabilities, even though it was never documented as such in the binding before. Therefore, on those controllers, we don't have the option to set an RX DMA channel. This was already done in the DTSI, but the binding itself was never updated. Let's add a special case in the schemas. Signed-off-by: Maxime Ripard Reviewed-by: Rob Herring --- Changes from v2: - Removed the expanded items description and rely on yaml-bindings tools to fill them - Fix typo in dmas property description Changes from v1: - switch to a draft7 conditional --- Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml | 38 ++++++++++++++++++++++++++++---------- 1 file changed, 28 insertions(+), 10 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml index 5d72d48e923e..a49ef2294a74 100644 --- a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml +++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml @@ -44,19 +44,11 @@ properties: - const: apb - const: spdif - dmas: - items: - - description: RX DMA Channel - - description: TX DMA Channel - - dma-names: - items: - - const: rx - - const: tx - # Even though it only applies to subschemas under the conditionals, # not listing them here will trigger a warning because of the # additionalsProperties set to false. + dmas: true + dma-names: true resets: maxItems: 1 @@ -73,6 +65,32 @@ allOf: required: - resets + - if: + properties: + compatible: + contains: + const: allwinner,sun8i-h3-spdif + + then: + properties: + dmas: + description: TX DMA Channel + + dma-names: + const: tx + + else: + properties: + dmas: + items: + - description: RX DMA Channel + - description: TX DMA Channel + + dma-names: + items: + - const: rx + - const: tx + required: - "#sound-dai-cells" - compatible