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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 BD3DAC4BA3D for ; Thu, 27 Feb 2020 12:23:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9FD8024693 for ; Thu, 27 Feb 2020 12:23:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729019AbgB0MXg (ORCPT ); Thu, 27 Feb 2020 07:23:36 -0500 Received: from asavdk4.altibox.net ([109.247.116.15]:56864 "EHLO asavdk4.altibox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728929AbgB0MXg (ORCPT ); Thu, 27 Feb 2020 07:23:36 -0500 Received: from ravnborg.org (unknown [158.248.194.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by asavdk4.altibox.net (Postfix) with ESMTPS id 0E14C804D0; Thu, 27 Feb 2020 13:23:26 +0100 (CET) Date: Thu, 27 Feb 2020 13:23:25 +0100 From: Sam Ravnborg To: "H. Nikolaus Schaller" Cc: Paul Cercueil , Paul Boddie , David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , Linus Walleij , Andi Kleen , Krzysztof Kozlowski , Geert Uytterhoeven , "Eric W. Biederman" , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, linux-gpio@vger.kernel.org, kernel@pyra-handheld.com, letux-kernel@openphoenux.org Subject: Re: [RFC 0/8] MIPS: CI20: add HDMI out support Message-ID: <20200227122325.GA7587@ravnborg.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CMAE-Score: 0 X-CMAE-Analysis: v=2.3 cv=XpTUx2N9 c=1 sm=1 tr=0 a=UWs3HLbX/2nnQ3s7vZ42gw==:117 a=UWs3HLbX/2nnQ3s7vZ42gw==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=kj9zAlcOel0A:10 a=ptjrNaXRAAAA:8 a=r_1tXGB3AAAA:8 a=ewWNKpoYB36fyWn1uZ8A:9 a=CjuIK1q_8ugA:10 a=6TjziPoOuUJhFL2Tmcc1:22 a=t8nPyN_e6usw4ciXM-Pk:22 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Hi Nikolaus. On Wed, Feb 26, 2020 at 08:12:52PM +0100, H. Nikolaus Schaller wrote: > This patch series adds HDMI output to the jz4780/CI20 board. > > It is based on taking the old 3.18 vendor kernel and trying > to achieve the same with modern DTS setup and new/modified > drivers. > > Unfortunately, in this first RFC, only EDID and creation of > /dev/fb0 are working. Also, HDMI hot plugging is detected. > > But there is no HDMI output signal. So some tiny piece seems > to be missing to enable/configure the Synposys HDMI controller. > > We need help from the community to fix this. > > Note: device tree bindings are from 2015 and still seem to > fit - except they are not in yaml format. > > Original authors of most patches are > * Paul Boddie > * Zubair Lutfullah Kakakhel > > > H. Nikolaus Schaller (2): > drm: ingenic-drm: add MODULE_DEVICE_TABLE > MIPS: CI20: defconfig: configure for DRM_DW_HDMI_JZ4780 > > Paul Boddie (4): > drm: ingenic: add jz4780 Synopsys HDMI driver. > pinctrl: ingenic: add hdmi-ddc pin control group > MIPS: DTS: jz4780: account for Synopsys HDMI driver and LCD controller > MIPS: DTS: CI20: add HDMI setup > > Zubair Lutfullah Kakakhel (2): > dt-bindings: video: Add jz4780-lcd binding > dt-bindings: video: Add jz4780-hdmi binding > > .../bindings/display/ingenic-jz4780-hdmi.txt | 41 ++++++ > .../bindings/display/ingenic-jz4780-lcd.txt | 39 ++++++ New bindings in DT Schema format please... We want to have then in a formal launguage so we can use these to verify the DT files. Sam