From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7F73C43387 for ; Fri, 11 Jan 2019 12:52:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5B9420874 for ; Fri, 11 Jan 2019 12:52:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="wbyqQVCH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731565AbfAKMwx (ORCPT ); Fri, 11 Jan 2019 07:52:53 -0500 Received: from perceval.ideasonboard.com ([213.167.242.64]:54732 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731404AbfAKMwx (ORCPT ); Fri, 11 Jan 2019 07:52:53 -0500 Received: from [192.168.0.21] (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A0C97513; Fri, 11 Jan 2019 13:52:50 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1547211170; bh=fmoeAmSYvKNLSF8txU20yZYsi65DO7WaJlePmSBiKDE=; h=Reply-To:Subject:To:Cc:References:From:Date:In-Reply-To:From; b=wbyqQVCHvrTS1pOUsXfKB+Vj8DSLZEkzaL4W2MrFhzfYwd0FZWHrb62EmVBzFl8oD +q40APwkz9ULd+fQo5qbGpSsQrt+6PJRHxB01IFt7GPKnzHr3ASioqvFPM87WUO/I1 2Oni5yIFVJZeNu8K8jnp2rstyDFVszaIqvpHP1j0= Reply-To: kieran.bingham@ideasonboard.com Subject: Re: [PATCH v4 0/4] i2c: adv748x: add support for CSI-2 TXA to work in 1-, 2- and 4-lane mode To: =?UTF-8?Q?Niklas_S=c3=b6derlund?= , Laurent Pinchart , Jacopo Mondi , linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org References: <20181129020147.22115-1-niklas.soderlund+renesas@ragnatech.se> From: Kieran Bingham Openpgp: preference=signencrypt Autocrypt: addr=kieran.bingham@ideasonboard.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20181129020147.22115-1-niklas.soderlund+renesas@ragnatech.se> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 8bit Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Hi Niklas, Thank you for this series. I think it really helps towards breaking down those pre-defined tables of register data. -- Kieran On 29/11/2018 02:01, Niklas Söderlund wrote: > Hi, > > This series allows the TXA CSI-2 transmitter of the adv748x to function > in 1-, 2- and 4- lane mode. Currently the driver fixes the hardware in > 4-lane mode. The driver looks at the standard DT property 'data-lanes' > to determine which mode it should operate in. > > Patch 1/4 lists the 'data-lanes' DT property as mandatory for endpoints > describing the CSI-2 transmitters. Patch 2/4 refactors the > initialization sequence of the adv748x to be able to reuse more code. > Patch 3/4 adds the DT parsing and storing of the number of lanes. Patch > 4/4 merges the TXA and TXB power up/down procedure while also taking the > configurable number of lanes into account. > > The series is based on the latest media-tree master and is tested on > Renesas M3-N in 1-, 2- and 4- lane mode. > > Niklas Söderlund (4): > dt-bindings: adv748x: make data-lanes property mandatory for CSI-2 > endpoints > i2c: adv748x: reuse power up sequence when initializing CSI-2 > i2c: adv748x: store number of CSI-2 lanes described in device tree > i2c: adv748x: configure number of lanes used for TXA CSI-2 transmitter > > .../devicetree/bindings/media/i2c/adv748x.txt | 11 +- > drivers/media/i2c/adv748x/adv748x-core.c | 235 ++++++++++-------- > drivers/media/i2c/adv748x/adv748x.h | 1 + > 3 files changed, 142 insertions(+), 105 deletions(-) > -- Regards -- Kieran