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 73E871849; Fri, 4 Oct 2024 00:54:26 +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=1728003266; cv=none; b=Lhr+McG0QPShfcts7HtA9rtchemx2PbHadzbnEYBsVh8zn+URb7JK8ocmSPicKGzMO4m5DiJxXL5u6TlhgH0qTRjX72DP/FvN+6bgKStjiUYOHyg4eM3MoWoDBHcGqd4FmfKte0IfokQKmnZsFpALHxvX3AGssuoDJ4Z7FS5RSg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728003266; c=relaxed/simple; bh=EBXwJ0xjvTruyIPFuJ5PaRLLcGzPCXTGfCFIFlv+Wbs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ouQ7wXQXvhbJvFAZ1cCkDHhwsXtvuGOm193UcE15KrsDiyX9VuvKkSOt+2pDJwZgzBvCXHTpUTT9s3xYF7bRcum/YsJpR+1wo5vm/lHUds8dbRKwqnKRY2x7ED6y4A7RVTemUmbHFsa9OQ6RP/eZUF2fu/lDQYNp9zhoQI6ALx8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lqijMftG; 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="lqijMftG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C44C9C4CEC5; Fri, 4 Oct 2024 00:54:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728003265; bh=EBXwJ0xjvTruyIPFuJ5PaRLLcGzPCXTGfCFIFlv+Wbs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lqijMftGqB6sdxZEQGPTVuVtXqYq180eVLw4r5UurPeCVauecziD8y0R/0lbjlpKy ieGFcFVb9e7gsY8avbEOBEpEmWCU4z9RzT+x1l7Y65Wx3nuyd3Ik5BKvxywbUsHJGY Jpunjdm8iqBwCGZUBq78K5ho4msudNJmbjon+mk9VaLDl2DA8LKB05g/VQeVemy3mL dIcLJYe57Yuusu8CYhCldcXmQDg36O0J+qsTS3zXkhsZ/BYMRqcZobPjZMnJx8iXrN Gj8smAsX5f6Pra5W4w2JVWjM4DcGIQPjOh7xJOVGG0aTFwC7rG9ww8uC2anVEblvS2 +IZ/F4OyRO42w== Date: Thu, 3 Oct 2024 19:54:25 -0500 From: Rob Herring To: Niklas =?iso-8859-1?Q?S=F6derlund?= Cc: Mauro Carvalho Chehab , Krzysztof Kozlowski , Conor Dooley , Sakari Ailus , Geert Uytterhoeven , Laurent Pinchart , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH v3 1/3] dt-bindings: media: renesas,isp: Add Gen4 family fallback Message-ID: <20241004005425.GA1954012-robh@kernel.org> References: <20241002103318.24289-1-niklas.soderlund+renesas@ragnatech.se> <20241002103318.24289-2-niklas.soderlund+renesas@ragnatech.se> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20241002103318.24289-2-niklas.soderlund+renesas@ragnatech.se> On Wed, Oct 02, 2024 at 12:33:16PM +0200, Niklas Söderlund wrote: > The ISP Channel Selector IP is the same for all current Gen4 devices. > This was not known when adding support for V3U and V4H and a single SoC > specific compatible was used. > > Before adding more SoC specific bindings for V4M add a family compatible > fallback for Gen4. That way the driver only needs to be updated once for > Gen4, and we still have the option to fix any problems in the driver if > any testable differences between the SoCs are found. > > There are already DTS files using the V3U and V4H compatibles which > needs to be updated to not produce a warning for DTS checks. The driver > also needs to kept the compatible values to be backward compatible , but > for new Gen4 SoCs such as V4M we can avoid this. > > Signed-off-by: Niklas Söderlund > Reviewed-by: Geert Uytterhoeven > --- > * Changes since v1 > - New in v2. > --- > Documentation/devicetree/bindings/media/renesas,isp.yaml | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Acked-by: Rob Herring (Arm)