From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 27D1A12FF6F; Wed, 23 Jul 2025 07:06:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753254408; cv=none; b=ifFwnHd6G65X+w7+i/cIhWQFE7R2oin/PKcai57e+P/Vxf/AEQdEoS78W7nCQvY6IJo/U8HrsIVVcWlaaKxecIx7wFEzbFwECSEcFbCw8W497lJ3hEznHmNlHsZyJ7TSVDFstO+C5fWufPwJoEs5o2Pw2rgJQypphAopyXXYuR0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753254408; c=relaxed/simple; bh=iflZfY3qMI5grSf6yRjiEW4K74WNj8Ky50H/GR5cHdo=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=MvVolJ23KImc0nOPWd+ET6m9QfgYpBQ5ZC8L6rezKbe3Ak46fJ4TEgEf/hyb/JBLsG7UQ9lKvjGHTArgBCuP0rcgAm1IwNjcWKl5/5DVP4FmeGYx4V8c/hy5Byto/9aWqQgYkMnrI3Xcz6v9o4mExdiPdKX25BdDJruDrHOhnME= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EQSciDun; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EQSciDun" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C159CC4CEE7; Wed, 23 Jul 2025 07:06:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753254407; bh=iflZfY3qMI5grSf6yRjiEW4K74WNj8Ky50H/GR5cHdo=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=EQSciDunEnPNVWjy2UkZe7ljxX4kHCidSM58CJApfmFUu8Z5Ud3nV2OQapL4PVXnR bsWhB55GIwMLUO5fR2ZjWGPrRfVWI2dm/aKwgTKen1YjL2lPPqxBp8he4IL3hp+xZy 0Qdc7v+66t2Qun8HW6CqlpPfvw+zKPEH+DbGadzuyzkIl7t+HUv8tOqtObFQuCYNQK qMP+GZ0g3cM+QxIQan9oDqLW4vPuC7gXO29gvmIcyYG3pjIT30rOO/Nx/ZRGHYrUYz gW+jbOgwOijyUlZ3LdggDIxwGfTbYXRieyh4Hk1O/5gKn/pZj5XunKnl4PJfPLRPFP VqSLjX7ZwcgsQ== Message-ID: <5ca3ba94-27b3-4cda-aba4-e2935acbe55c@kernel.org> Date: Wed, 23 Jul 2025 09:06:41 +0200 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 07/19] dt-bindings: memory: factorise LPDDR channel binding into memory channel From: Krzysztof Kozlowski To: =?UTF-8?Q?Cl=C3=A9ment_Le_Goffic?= Cc: Will Deacon , Mark Rutland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Philipp Zabel , Jonathan Corbet , Gatien Chevallier , Michael Turquette , Stephen Boyd , Gabriel Fernandez , Le Goffic , Julius Werner , linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-clk@vger.kernel.org References: <20250722-ddrperfm-upstream-v3-0-7b7a4f3dc8a0@foss.st.com> <20250722-ddrperfm-upstream-v3-7-7b7a4f3dc8a0@foss.st.com> <20250723-zealous-turtle-of-perfection-e67aee@kuoka> Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 23/07/2025 08:57, Krzysztof Kozlowski wrote: > On Tue, Jul 22, 2025 at 04:03:24PM +0200, Clément Le Goffic wrote: >> LPDDR and DDR channels exist and share the same properties, they have a >> compatible, ranks, and an io-width. > > Maybe it is true for all types of SDRAM, like RDRAM and eDRAM, but I Although these were not JEDEC probably... > don't think all memory types do. > > I think this should be renamed to sdram-channel. ... yet still JEDEC also has some standards for SRAM, EPROM, HBM and SGRAM (graphics), see: https://www.jedec.org/category/technology-focus-area/memory-configurations-jesd21-c Best regards, Krzysztof