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 76B3E17B401; Tue, 15 Oct 2024 05:35:09 +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=1728970509; cv=none; b=dFfLoan5TrrYP+j2H+uGPpufjAA8YiIAag8gAW37IABj0173VFTF8Ow0elUWpjkJM1RFk2KLTM1LZgVdmHZALuIQDRMkeG4HTuATHQxmnpx3ZXSF6428y/PfDYH/IMe0ezZ1eDZMCsO/QSE+84XjcvfxLEvh4Cl0YordgL1A9qI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728970509; c=relaxed/simple; bh=s2gDWG8c1/1aN0rFvnQyq2DVmYeSgf55AvMK7mOPr3g=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=eC2MKnP5vLwg8+kKO+TZsAOl5KGiKEN9XbvpkrXpNuxNX/RNBOEyHx8ATgk9trlWHJqSD8jCItRB9D3OYnEfD+6IP0Ag5HSbR697XxQ7deWZ5ImCuJKs9q5ro7q3vsp35jQ6WzbZryRSskm+eiP6l1snhiKmo8f8f5m8gPBPkgo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KzLce1Wx; 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="KzLce1Wx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C5D7C4CECE; Tue, 15 Oct 2024 05:35:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728970509; bh=s2gDWG8c1/1aN0rFvnQyq2DVmYeSgf55AvMK7mOPr3g=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=KzLce1Wx4qhlmS9pBWhblgSm4WQDC+qTMRoT3H+v7frgm+ZwIi+eLQMi8Vjwzex1o nPFE57YLB3qIQoQNFxZIVushoLnom609jgQ5Pvqmz7urQxBkjSf5aQ1OAqfMyG7i5J VHw/lNXyrk+DgnVrRcEQT/QXar0ML2eS0UO6zR8KvaymD5Q3dzwlPUmVCJO+ojWHj5 jRupvD5/TPd0pYiDA86JidB0AMuDJad66GD8a6VdmPiR9e9lC0OiVSoM9RtSE0us9I 2CZswBrM6PPaXZaeKhadjuyBIhFhgl8dNOI3QyGuKYVAXh3xkkS354GmYEKph7ycAd cZBsEdKKnKEKQ== Message-ID: <77b03a23-6880-4722-bafa-167bb5d45ae1@kernel.org> Date: Tue, 15 Oct 2024 07:35:04 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/3] dt-bindings: spi: Add realtek,rtl9301-snand To: Chris Packham Cc: broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, tsbogend@alpha.franken.de, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org References: <20241014015245.2513738-1-chris.packham@alliedtelesis.co.nz> <20241014015245.2513738-2-chris.packham@alliedtelesis.co.nz> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 14/10/2024 22:38, Chris Packham wrote: > > On 14/10/24 20:12, Krzysztof Kozlowski wrote: >> On Mon, Oct 14, 2024 at 02:52:43PM +1300, Chris Packham wrote: >> >>> diff --git a/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml b/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml >>> new file mode 100644 >>> index 000000000000..397b32b41e86 >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml >>> @@ -0,0 +1,59 @@ >>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>> +%YAML 1.2 >>> +--- >>> +$id: http://scanmail.trustwave.com/?c=20988&d=3cSM59Be7zhiOY6j70BGhTh0kCvZ-1Nf0f5XJZnTzQ&u=http%3a%2f%2fdevicetree%2eorg%2fschemas%2fspi%2frealtek%2crtl9301-snand%2eyaml%23 >>> +$schema: http://scanmail.trustwave.com/?c=20988&d=3cSM59Be7zhiOY6j70BGhTh0kCvZ-1Nf0a1RIsqGnw&u=http%3a%2f%2fdevicetree%2eorg%2fmeta-schemas%2fcore%2eyaml%23 >>> + >>> +title: SPI-NAND Flash Controller for Realtek RTL9300 SoCs >>> + >>> +maintainers: >>> + - Chris Packham >>> + >>> +description: >>> + The Realtek RTL9300 SoCs have a built in SPI-NAND controller. It supports >>> + typical SPI-NAND page cache operations in single, dual or quad IO mode. >>> + >>> +properties: >>> + compatible: >>> + enum: >>> + - realtek,rtl9301-snand >>> + - realtek,rtl9302b-snand >>> + - realtek,rtl9302c-snand >>> + - realtek,rtl9303-snand >> All of them look compatible with each other, why not using fallback to >> 9301? That's common and expected pattern. > > So something like > > properties: >   compatible: >     oneOf: >       - items: >          -  enum: >              - realtek,rtl9302b-snand >             - realtek,rtl9302c-snand >             - realtek,rtl9303-snand >        - const: realtek,rtl9301-snand >      - items: Yes, except this one is not a list, so just const. >         const: realtek,rtl9301-snand > > Or am I over thinking it and I should just use only a single "const: > realtek,rtl9301-snand"? > >> >> Best regards, >> Krzysztof >> Best regards, Krzysztof