From nobody Tue Feb 10 00:02:28 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 080B8C04A6A for ; Fri, 11 Aug 2023 20:15:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235725AbjHKUPa (ORCPT ); Fri, 11 Aug 2023 16:15:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53572 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230153AbjHKUPW (ORCPT ); Fri, 11 Aug 2023 16:15:22 -0400 Received: from out-100.mta1.migadu.com (out-100.mta1.migadu.com [95.215.58.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B24CF3593 for ; Fri, 11 Aug 2023 13:15:16 -0700 (PDT) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jookia.org; s=key1; t=1691784914; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iYu4Dz4hSNyn9kJzzK4p3lb9piHB7a9wwJ9aGUktfD0=; b=B7i/2R3iHC2ro6I9YUbHM1FvoB39fIf9DPTD/SmZey33EEFmx1QnK5KHPYfPpGFyrVjy6b j1F4S4QKVceyrPo4Rt7R42KM8h/+TKatWo9+iY0nazcL7pPZEniFrdFx+6CNXbZ/AdhHf1 aRDDIdWVuexKugvOjAH2RfxfuJ2ScwKgnOPsxfNcWV01LvTPJzC6zhsT8ahXRey2kbzFog XARZ1uI/K6YTATMTxZ4Pu/UsKVkoiC0oWJXwIcyBPoIMAmJvHj5xCx5Ep6EoNezVeeUs/h FlmeZ8gYKpenjqwDlrWOZV7PwrOv/uXUQBHKCbg5jRabvsDkoOvwzk+kscj/Vw== From: John Watts To: alsa-devel@alsa-project.org Cc: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Jaroslav Kysela , Takashi Iwai , John Watts , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Maxime Ripard , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [RFC PATCH 7/7] dt-bindings: sound: sun4i-i2s: Add channel-slots property Date: Sat, 12 Aug 2023 06:14:06 +1000 Message-ID: <20230811201406.4096210-8-contact@jookia.org> In-Reply-To: <20230811201406.4096210-1-contact@jookia.org> References: <20230811201406.4096210-1-contact@jookia.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The sun4i I2S controller supports mapping arbitrary TDM slots to each channel. Allow this to be expressed in the device tree. This is currently only implemented in the R329 I2S variant. Allow this to be configured using a new channel-dins property. Signed-off-by: John Watts --- .../bindings/sound/allwinner,sun4i-a10-i2s.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2= s.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.ya= ml index 402549f9941c..a74b02387d8a 100644 --- a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml @@ -59,6 +59,13 @@ properties: channel. Pins are mapped to channels based on array index. Channel 0 is the first number, then channel 1, and so on. =20 + channel-slots: + $ref: /schemas/types.yaml#/definitions/uint8-array + description: + This is a list of channel I2S TDM slot numbers. Slots are mapped + to channels based on array index. + Channel 0 is the first number, then channel 1, and so on. + # 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. @@ -164,6 +171,7 @@ examples: dmas =3D <&dma 3>, <&dma 3>; dma-names =3D "rx", "tx"; channel-dins =3D /bits/ 8 <0 0 1 1 2 2>; + channel-slots =3D /bits/ 8 <0 1 0 1 0 1>; }; =20 ... --=20 2.41.0