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 2989E2F30; Wed, 29 Jan 2025 07:54:06 +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=1738137247; cv=none; b=ZIcYHqDY/H8osIWTrVpNKBlIwnGiyu6omD1zK2VBrvA59dBtGlcn6YjTQU8w6HzPTVXrWW54EqaBeH3DAL9DWL20bE6/kLlG+EbaCQ+RQeXyCmGChKPJyjMTEirmItfjQWaGkPyJsAZ1EzXYkLanEWAYZkLUWh3G+7JdVlRit5Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738137247; c=relaxed/simple; bh=0SE8PzGKkRL/IjUGdzRLedZ5tEczLCcL/gughRi2Bqo=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=I0UiLujKHhKt7l0D2O1khXgyT212fcFSNC/uJOYUdmWVA9SudLnctUPsOj8l+irwHsaxv9jmiKjfyAsM1cND87ijOkVleSRuKk3S+6hxqpO5IbnugS48BrKaEtD6t5G3Rn6Meo3c3q7Wl3JazLRdGnL+lLD+J04Bwpogv2ptMiU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SVh1XBtL; 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="SVh1XBtL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0B97C4CED3; Wed, 29 Jan 2025 07:54:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738137246; bh=0SE8PzGKkRL/IjUGdzRLedZ5tEczLCcL/gughRi2Bqo=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=SVh1XBtLc9QoT4DDXBbIno5wzMiscmksBMKf2NikF45Rgdtm35P4FV1vJMFx6aE9Y Z0+O71PayoXk0/DdCARpX4qtb1ilNRUl24noCQTIuuRgGCxQkpGoBGjYdGFH3Ck3bD 0oB3/xfQeNW3Ib98ic2t156I4y0LjPV92n+ORiUmiUb2FWXJc7s39pdW9tLnVw5nQL JP19R482CrQV08kL7DIzj4cxT+v4wpwQkbuPO5lZwhtLq7hf8HGKvMU6VKdRS5BpCI KguMUEWwpKo7GII4pUgdIbXxkOEAcm37E/AY8sjy6rS/+k2GvJdB3YbtI1o3sghjOH hr4eQ4hFwRGJw== Message-ID: <28cb7ba0-877f-40fe-ae67-55a35446ba86@kernel.org> Date: Wed, 29 Jan 2025 08:53:58 +0100 Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/9] dt-bindings: spi: Add STM32 OSPI controller From: Krzysztof Kozlowski To: Conor Dooley Cc: patrice.chotard@foss.st.com, Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Philipp Zabel , Maxime Coquelin , Greg Kroah-Hartman , Arnd Bergmann , Catalin Marinas , Will Deacon , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, christophe.kerello@foss.st.com References: <20250128081731.2284457-1-patrice.chotard@foss.st.com> <20250128081731.2284457-2-patrice.chotard@foss.st.com> <20250128-panama-manly-a753d91c297c@spud> <20250129-annoying-flawless-porpoise-47daed@krzk-bin> Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 29/01/2025 08:40, Krzysztof Kozlowski wrote: > On Tue, Jan 28, 2025 at 06:02:27PM +0000, Conor Dooley wrote: >>> + st,syscfg-dlyb: >>> + description: phandle to syscon block >>> + Use to set the OSPI delay block within syscon to >>> + tune the phase of the RX sampling clock (or DQS) in order >>> + to sample the data in their valid window and to >>> + tune the phase of the TX launch clock in order to meet setup >>> + and hold constraints of TX signals versus the memory clock. >>> + $ref: /schemas/types.yaml#/definitions/phandle-array >> >> Why do you need a phandle here? I assume looking up by compatible ain't >> possible because you have multiple controllers on the SoC? Also, I don't >> think your copy-paste "phandle to" stuff here is accurate: >> st,syscfg-dlyb = <&syscfg 0x1000>; >> There's an offset here that you don't mention in your description. > > This needs double items: and listing them with description, instead of > free form text. And I asked for this last time and I told you how to find examples doing this. In other binding patch you did not implement all the comments either. Best regards, Krzysztof