From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 A85536DCE1; Thu, 30 Jul 2026 09:31:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785403868; cv=none; b=MBxzAUs7qZcEaena496fI5ERS8m0BeAwTphcl/1ORlKjMD5l1/bR0zEeLr26mC8jC2Sbro0lYNJvjHxE7+YnLHI04lp+yeIyAFZR2B9paw/J6+KS+BE03O4KDBMfKcEBHmzfFdJM43UQhW6tKtG5dik8bGrPXqaPTh12LVzdPxA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785403868; c=relaxed/simple; bh=GtUJjjfoE6/hrkOFhX+Byxkd72IQfDsx2Y7MfTPLaiM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=bTZwB58l04P4NA+GjrmdAurBTa+lclO5vQaanNKHtIEmjoLxxF7hGcUngNXS8ChzESMvdGNxTnFS9N/DIIMWhzvQdw5N3CmVgleQla6cuRTA79ZlXO/5yNutrR6Iczo9vF134YRMYc/LYtxQno2ePxc9ZjxcMvwWha50pFSCx5k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fKo4X3fZ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fKo4X3fZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74D091F000E9; Thu, 30 Jul 2026 09:31:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785403867; bh=+WpvZpP4ISYK9VWgY7NLkHxGLl/yo5GjPIvxkOManVA=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=fKo4X3fZ2RNRJQsrnoQF9yWKfEZXP5l4MfzI70DqVhpMPSuSJWUXKRzWMuwugF6xz JryaZ/Njh4PmEh3bkIs4BxBpZDDDaRBKwTv1QL0hwqyI9CY2Cwrubx7AxvPngGVPJz E4R/eYqRk3sUU/eLI0ADGBX8/DRQ+uS6X3LKiXhElJx/LI0pguvJVo3N/o51Ac609V /qz9BHiAEZAmYgoT/gO2Pty0TS7m4EMZfJ58OeDImDF7BzQX4tunkQHc4caGSx/NtV 229wEXBmDPcsWDCwdVD46haPmWQ1kMVOvBv7POYDNubuv6XpfcU/tz1284QAa7+L4V +qpmF8Q3qz7dA== Message-ID: <635b1d39-636f-4aa0-8194-c3aa2b69edb2@kernel.org> Date: Thu, 30 Jul 2026 10:31:01 +0100 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RESEND v9 6/9] media: qcom: camss: csiphy-3ph: Add Gen2 v1.1 MIPI CSI-2 C-PHY init To: David Heidelberg , Frank Li Cc: Robert Foss , Todor Tomov , Bryan O'Donoghue , Vladimir Zapolskiy , Mauro Carvalho Chehab , Luca Weiss , Petr Hodina , "Dr. Git" , Cory Keitz , Loic Poulain , Hans Verkuil , Nihal Kumar Gupta , Frank Li , Konrad Dybcio , Kieran Bingham , Sakari Ailus , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org References: <20260729-qcom-cphy-v9-0-1f8d9fdab037@ixit.cz> <20260729-qcom-cphy-v9-6-1f8d9fdab037@ixit.cz> <3648ba47-fa2a-4e2d-a3f2-040cd9568ace@ixit.cz> From: Bryan O'Donoghue Content-Language: en-GB Autocrypt: addr=bod@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 30/07/2026 10:15, David Heidelberg wrote: > On 29/07/2026 23:35, Frank Li wrote: >> On Wed, Jul 29, 2026 at 10:20:01PM +0200, David Heidelberg wrote: >>> Add a PHY configuration sequence for the sdm845 which uses a Qualcomm >>> Gen 2 version 1.1 CSI-2 PHY. >>> >>> The PHY can be configured as two phase or three phase in C-PHY or D-PHY >>> mode. >> too much or, according to my understand D-PHY use 2 phase, C-PHY use 3 >> phase? >> >> The PHY can be configured as two phase (D-PHY) or three phase (C-PHY) ? > Yes, I'll address the wrong wording in the next version then 🙂 Can you look at what's required to convert to the new driver ? I think some Linux plumbing to represent cphy v dphy to the phy subsystem might be nice, plus differentiating inside of the new driver and camss with media-graph used to find the PHY. --- bod