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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY autolearn=no 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 D51D6C43603 for ; Tue, 10 Dec 2019 11:41:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A42C32073D for ; Tue, 10 Dec 2019 11:41:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Gm3EfEXD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A42C32073D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References:In-Reply-To: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=03kxyp+QAsX0siYR/AFeK1SPIC8nM2KBSbM5CRflTEs=; b=Gm3EfEXDrW2lY5MK2WTternkJ SaWpquFFPbeYfAeUO2IZayXQium0tq6tayM2wH07lJ45utUsdzgzu/HN8CO/79wukhuvw/XN/ujAi kVq6Eq1lQVxqWGgq7tLQl6XAPMAFzwJcOIcB6D+j+9cMfv4fzaNJs90CuGKwzPmRYr6sDThUvwSC8 O7hoEhrTvkZoQIt9GpJY8JYZ/5hG2DaPGT/7a5nYn4Ta3Zb7rbB8TWtAmsQ665JjA3NYe9rqWS/n8 hM8APxQ6cudUoLMxwU/AItKaJScg9Z/DrNKKWhu/zPaT/VUy40lJRdp4NYUTWOKPg5jvCDIV0AY5v tgG6lXxMQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iedtU-00039s-6T; Tue, 10 Dec 2019 11:41:32 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iedtP-000398-8Y; Tue, 10 Dec 2019 11:41:30 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: aratiu) with ESMTPSA id 507ED28B5FF From: Adrian Ratiu To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-rockchip@lists.infradead.org Subject: Re: [Linux-stm32] [PATCH v4 0/4] Genericize DW MIPI DSI bridge and add i.MX 6 driver In-Reply-To: <20191202193359.703709-1-adrian.ratiu@collabora.com> References: <20191202193359.703709-1-adrian.ratiu@collabora.com> Date: Tue, 10 Dec 2019 13:41:46 +0200 Message-ID: <871rtc2yrp.fsf@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191210_034128_989357_DB02FF87 X-CRM114-Status: GOOD ( 21.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jernej Skrabec , Jonas Karlman , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Andrzej Hajda , Laurent Pinchart , kernel@collabora.com, linux-imx@nxp.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 02 Dec 2019, Adrian Ratiu wrote: > Having a generic Synopsis DesignWare MIPI-DSI host controller > bridge driver is a very good idea, however the current > implementation has hardcoded quite a lot of the register layouts > used by the two supported SoC vendors, STM and Rockchip, which > use IP cores v1.30 and v1.31. > > This makes it hard to support other SoC vendors like the FSL/NXP > i.MX 6 which use older v1.01 cores or future versions because, > based on history, layout changes should also be expected in new > DSI versions / SoCs. > > This patch series converts the bridge and platform drivers to > access registers via generic regmap APIs and allows each > platform driver to configure its register layout via struct > reg_fields, then adds support for the host controller found on > i.MX 6. > > I only have i.MX hardware with MIPI-DSI panel and relevant > documentation available for testing so I'll really appreciate it > if someone could test the series on Rockchip and > STM... eyeballing register fields could only get me so far, so > sorry in advance for any breakage! > > Many thanks to Boris Brezillon > for suggesting the regmap solution and to Liu Ying > for doing the initial i.MX platform > driver implementation. > > This series applies on top of latest linux-next tree, > next-20191202. > > v3 -> v4: > * Added commmit message to dt-binding patch (Neil) * Converted > the dt-binding to yaml dt-schema format (Neil) * Small DT node > + driver fixes (Rob) * Renamed platform driver to reflect it's > only for i.MX v6 (Fabio) * Added small panel example to the > host controller DT binding > > v2 -> v3: > * Added const declarations to dw-mipi-dsi.c structs (Emil) * > Fixed Reviewed-by tags and cc'd some more relevant ML (Emil) > > v1 -> v2: > * Moved register definitions & regmap initialization into > bridge module. Platform drivers get the regmap via plat_data > after calling the bridge probe (Emil). I've been told I forgot to explicitly CC some of the maintainers, sorry about that! Added a few more persons to CC. > > Adrian Ratiu (4): > drm: bridge: dw_mipi_dsi: access registers via a regmap > drm: bridge: dw_mipi_dsi: abstract register access using reg_fields > drm: imx: Add i.MX 6 MIPI DSI host driver > dt-bindings: display: add i.MX6 MIPI DSI host controller doc > > .../display/imx/fsl,mipi-dsi-imx6.yaml | 136 ++++ > drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 699 +++++++++++++----- > drivers/gpu/drm/imx/Kconfig | 7 + > drivers/gpu/drm/imx/Makefile | 1 + > drivers/gpu/drm/imx/dw_mipi_dsi-imx6.c | 378 ++++++++++ > .../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 17 +- > drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 34 +- > include/drm/bridge/dw_mipi_dsi.h | 2 +- > 8 files changed, 1067 insertions(+), 207 deletions(-) > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,mipi-dsi-imx6.yaml > create mode 100644 drivers/gpu/drm/imx/dw_mipi_dsi-imx6.c > > -- > 2.24.0 > > _______________________________________________ > Linux-stm32 mailing list > Linux-stm32@st-md-mailman.stormreply.com > https://st-md-mailman.stormreply.com/mailman/listinfo/linux-stm32 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel