From mboxrd@z Thu Jan 1 00:00:00 1970 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 56836C27C79 for ; Mon, 17 Jun 2024 12:21:41 +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 C8287839; Mon, 17 Jun 2024 14:21:29 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz C8287839 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1718626899; bh=a0cp4Hz33Y1b2iBpPfrRIQ04RCyUMw93h8Ro20UVsZA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=URJt1rCHFgg5o6qQPHGxI7REY9uNV7kAC+NXALQm9lXmHyJGjDPyXWHSDRLaYJUy5 pnmhcIKDr5kJf5PmGRn6/+Vt+TTVY8dUrHcLUuzUKiwFrZzawOMtf4AJQh/RR6rcMJ ObW8o2D62CySRygS1U2W6/wi3xg2/3ndjvH0lkWc= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 7F656F801EB; Mon, 17 Jun 2024 14:21:06 +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 96605F805B4; Mon, 17 Jun 2024 14:21:05 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 79639F8023A; Mon, 17 Jun 2024 14:17:30 +0200 (CEST) Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 47CD0F800ED for ; Mon, 17 Jun 2024 14:14:59 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 47CD0F800ED Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=Qs8ss6U4 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 911446125C; Mon, 17 Jun 2024 12:14:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93DEAC2BD10; Mon, 17 Jun 2024 12:14:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718626496; bh=a0cp4Hz33Y1b2iBpPfrRIQ04RCyUMw93h8Ro20UVsZA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Qs8ss6U4PoYUczsrqvSyKqWJ5d65+D+HjD/+Y2CZywl+Fp2ue5LWHyVq4FX6MCK6I z32SxhwVuvuM1eya189ZEy2YbJJ+DXJwc4bhYnfCB44IxMLPujxl0Lxs97aG4CWn9H dSnEVDPK4TBQePsM8Li8h4Y1nCtKz1UGWoLr2JKLZC1U21U4VdBx/l+5tNQzcJRNK7 32m2rZ8Go+Scgs76fc3MS9dmYSzqYR095X+ChU/SR88TxYguU09zy5tBX/VmQczG/b l+TTsj//DaUr82qbdKgsPhUZ+bs5zFX/3hwhaUx01LmA28egyTNgK9/1Mi9bT6Ou1O zKKdaV7xwDtEA== Message-ID: <83a45f7c-d90b-44d3-b57e-9dad21045e27@kernel.org> Date: Mon, 17 Jun 2024 14:14:49 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/4] ASoC: dt-bindings: lpc32xx: Add lpc32xx i2s DT binding To: Piotr Wojtaszczyk Cc: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vladimir Zapolskiy , Russell King , Jaroslav Kysela , Takashi Iwai , "J.M.B. Downing" , Arnd Bergmann , Chancel Liu , Michael Ellerman , linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org References: <20240611094810.27475-1-piotr.wojtaszczyk@timesys.com> <20240614163500.386747-1-piotr.wojtaszczyk@timesys.com> <20240614163500.386747-2-piotr.wojtaszczyk@timesys.com> <83cbf43e-c927-449f-8b7e-5c8d3ee8cece@kernel.org> Content-Language: en-US From: Krzysztof Kozlowski Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJgPO8PBQkUX63hAAoJEBuTQ307 QWKbBn8P+QFxwl7pDsAKR1InemMAmuykCHl+XgC0LDqrsWhAH5TYeTVXGSyDsuZjHvj+FRP+ gZaEIYSw2Yf0e91U9HXo3RYhEwSmxUQ4Fjhc9qAwGKVPQf6YuQ5yy6pzI8brcKmHHOGrB3tP /MODPt81M1zpograAC2WTDzkICfHKj8LpXp45PylD99J9q0Y+gb04CG5/wXs+1hJy/dz0tYy iua4nCuSRbxnSHKBS5vvjosWWjWQXsRKd+zzXp6kfRHHpzJkhRwF6ArXi4XnQ+REnoTfM5Fk VmVmSQ3yFKKePEzoIriT1b2sXO0g5QXOAvFqB65LZjXG9jGJoVG6ZJrUV1MVK8vamKoVbUEe 0NlLl/tX96HLowHHoKhxEsbFzGzKiFLh7hyboTpy2whdonkDxpnv/H8wE9M3VW/fPgnL2nPe xaBLqyHxy9hA9JrZvxg3IQ61x7rtBWBUQPmEaK0azW+l3ysiNpBhISkZrsW3ZUdknWu87nh6 eTB7mR7xBcVxnomxWwJI4B0wuMwCPdgbV6YDUKCuSgRMUEiVry10xd9KLypR9Vfyn1AhROrq AubRPVeJBf9zR5UW1trJNfwVt3XmbHX50HCcHdEdCKiT9O+FiEcahIaWh9lihvO0ci0TtVGZ MCEtaCE80Q3Ma9RdHYB3uVF930jwquplFLNF+IBCn5JRzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmA872oFCRRflLYACgkQG5NDfTtBYpvScw/9GrqBrVLuJoJ52qBBKUBDo4E+5fU1bjt0 Gv0nh/hNJuecuRY6aemU6HOPNc2t8QHMSvwbSF+Vp9ZkOvrM36yUOufctoqON+wXrliEY0J4 ksR89ZILRRAold9Mh0YDqEJc1HmuxYLJ7lnbLYH1oui8bLbMBM8S2Uo9RKqV2GROLi44enVt vdrDvo+CxKj2K+d4cleCNiz5qbTxPUW/cgkwG0lJc4I4sso7l4XMDKn95c7JtNsuzqKvhEVS oic5by3fbUnuI0cemeizF4QdtX2uQxrP7RwHFBd+YUia7zCcz0//rv6FZmAxWZGy5arNl6Vm lQqNo7/Poh8WWfRS+xegBxc6hBXahpyUKphAKYkah+m+I0QToCfnGKnPqyYIMDEHCS/RfqA5 t8F+O56+oyLBAeWX7XcmyM6TGeVfb+OZVMJnZzK0s2VYAuI0Rl87FBFYgULdgqKV7R7WHzwD uZwJCLykjad45hsWcOGk3OcaAGQS6NDlfhM6O9aYNwGL6tGt/6BkRikNOs7VDEa4/HlbaSJo 7FgndGw1kWmkeL6oQh7wBvYll2buKod4qYntmNKEicoHGU+x91Gcan8mCoqhJkbqrL7+nXG2 5Q/GS5M9RFWS+nYyJh+c3OcfKqVcZQNANItt7+ULzdNJuhvTRRdC3g9hmCEuNSr+CLMdnRBY fv0= In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Message-ID-Hash: ZB4A7GSX6W7THHNXR77J5UAWOXXF5HLZ X-Message-ID-Hash: ZB4A7GSX6W7THHNXR77J5UAWOXXF5HLZ X-MailFrom: krzk@kernel.org 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; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 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: On 17/06/2024 11:33, Piotr Wojtaszczyk wrote: > On Sat, Jun 15, 2024 at 12:01 PM Krzysztof Kozlowski wrote: >> Do not attach (thread) your patchsets to some other threads (unrelated >> or older versions). This buries them deep in the mailbox and might >> interfere with applying entire sets. > > I'm sorry about that, it won't happen again. > >>> + dma-vc-names: >> >> Missing vendor prefix... but I don't really get what's the point of this >> property. > > Is "nxp,lpc3xxx-dma-vc-names" acceptable? No, because it does not help me to understand: " what's the point of this property." > >> >>> + $ref: /schemas/types.yaml#/definitions/string-array >>> + description: | >>> + names of virtual pl08x dma channels for tx and rx >>> + directions in this order. >>> + minItems: 2 >>> + maxItems: 2 >> >> What part of hardware or board configuration this represents? >> >> It wasn't here and nothing in changelog explained it. > > That's information which DMA signal and mux setting an I2S interface uses. > It's a name (bus_id field) of platform data entry from phy3250.c in > [PATCH v3 3/4]. platform entries from driver do not seem related at all to hardware description. You know encode driver model into bindings, so obviously no-go. > It's used by snd_soc_dai_init_dma_data() in [PATCH v3 4/4] to give the > dmaengine a > hint which dma config to use. The LPC32xx doesn't have yet a dmamux driver like and if I change driver platform data to foo and bar, does the DTS work? No. > lpc18xx-dmamux.c therefore it still uses platform data entries for > pl08x dma channels > and 'SND_DMAENGINE_PCM_FLAG_NO_DT | SND_DMAENGINE_PCM_FLAG_COMPAT' > flags in the devm_snd_dmaengine_pcm_register(). > Typically instead of this platform data you would use regular 'dma' > and 'dma-names' if it had > proper dmamux driver like lpc18xx-dmamux.c Exactly. Use these. > >> >> Drop. >> >> >>> + >>> + "#sound-dai-cells": >>> + const: 0 >>> + > > The "dai-common.yam" doesn't declare a default value for this so Where is my comment to which you refer to? Please do not drop context from replies. I have no clue what you want to discuss here. > isn't it required? It's declared in others yaml files like: > Documentation/devicetree/bindings/sound/qcom,q6apm.yaml Best regards, Krzysztof