From patchwork Tue Oct 15 16:00:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabio Estevam X-Patchwork-Id: 59488 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([209.132.180.67]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iKPFv-0002d5-Fr; Tue, 15 Oct 2019 16:01:03 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387438AbfJOQBC (ORCPT + 1 other); Tue, 15 Oct 2019 12:01:02 -0400 Received: from mail-qk1-f195.google.com ([209.85.222.195]:43602 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731936AbfJOQBC (ORCPT ); Tue, 15 Oct 2019 12:01:02 -0400 Received: by mail-qk1-f195.google.com with SMTP id h126so19647862qke.10 for ; Tue, 15 Oct 2019 09:01:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=6PRk9eSGKNiTKFO64B5AMs7UJU1pd0a09q1UeOtdYVw=; b=VPTsNdb/Doe58RnFc8HLL7CNbCMt9Da4CVb/OHgY9eY7awY/xmT0YTyzItRGhrl0KL S/BKOBlg14RG6sWWESE9TMBRiOFzsH/sb3mOSEmNUrpM7uowM6tw03gQfBxIX56YSVsr WoeSVnRwZEyzLJZ70ITOQCqeQCtbmMjrMF/59uphk/7zwSepMAx9tUNyNuNF5bMfPMMn HVoEPG1PytilY6rSVNFfJRQv+X/UV/04sSKYU/Ens7wvfzCdceHi2+kIM3xNDga0t6WF AXyO8E+TDxvkzDuMrcjkqCUQji3xkET7AvIgewGiWjBDrtegVmVItiPV7yDGfRBLA5ep O0Iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=6PRk9eSGKNiTKFO64B5AMs7UJU1pd0a09q1UeOtdYVw=; b=fk/JrkHtFcuEzIqAmFbimKv90vpABl5j0oLqyoUZiueCLVtEsmvCvtQHpEpM2CpXym 4eYvu3qCkFCP2KqnQ08qJ/oQ/1g7a2snCBdp2H9bDv7OIRA9j/bPyWSqL1soUDhknOWO qtPVDLpHz8gacU2yVp/mU+XKAkktnBKQ1xR8RDpJGGCGgHmPoK/pGZUXLHAItmfFyFT6 Fx6W+pD0wlOGi+xP9Ydkui9KRYRPRu5uu3yH/hOSYpM/ktpSDtUO8gX3J5Jhdjc2uGaK ElFFf17Z7Lt5DV50JS8o+LX6sJcSZNQaF9SuLx/HxBWUJzZhIk943ZCpDXjmskCPt5jX YWrQ== X-Gm-Message-State: APjAAAUFqRMrgV6XXNEjQ+uAx7MQcoKi5PwXi9XXFTW59Kv0t/R9jZZ/ UdLgwiVwQDpOx2uG11qhuZE= X-Google-Smtp-Source: APXvYqxyK8INEU1Lo0JYb6wPDdkrnNG4RrO2WzaYR8PEn2WbRNmn6mmyrI3EPOJdZ1Z3WZsj7q/8rw== X-Received: by 2002:a37:68c2:: with SMTP id d185mr36101232qkc.297.1571155260951; Tue, 15 Oct 2019 09:01:00 -0700 (PDT) Received: from fabio-Latitude-E5450.nxp.com ([177.221.114.206]) by smtp.gmail.com with ESMTPSA id n21sm10304930qka.83.2019.10.15.09.00.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2019 09:01:00 -0700 (PDT) From: Fabio Estevam To: hverkuil-cisco@xs4all.nl Cc: mchehab@kernel.org, slongerbeam@gmail.com, tharvey@gateworks.com, p.zabel@pengutronix.de, linux-media@vger.kernel.org, Fabio Estevam Subject: [PATCH v3 3/4] media: imx.rst: Provide instructions for the i.MX6DL sabreauto Date: Tue, 15 Oct 2019 13:00:41 -0300 Message-Id: <20191015160042.28113-3-festevam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191015160042.28113-1-festevam@gmail.com> References: <20191015160042.28113-1-festevam@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The i.MX6DL sabreauto has different numbering on the I2C bus and I2C muxes compared to the i.MX6Q as shown in the kernel log below: [ 5.159423] imx-media: ipu1_csi0_mux:5 -> ipu1_csi0:0 [ 5.164618] imx-media: ipu1_csi1_mux:5 -> ipu1_csi1:0 [ 5.169953] imx-media: adv7180 4-0021:0 -> ipu1_csi0_mux:4 To avoid confusion, add an entry that shows how to setup the links and configure the pads that are specific to the i.MX6DL sabrea Signed-off-by: Fabio Estevam Acked-by: Steve Longerbeam --- Changes since v2: - Fix I2C and CSI mux numbering (Steve) - Passed the v4l2-ctl configuration (Steve) Documentation/media/v4l-drivers/imx.rst | 58 +++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/Documentation/media/v4l-drivers/imx.rst b/Documentation/media/v4l-drivers/imx.rst index 36e8d1226ac6..aab68d8ef2c9 100644 --- a/Documentation/media/v4l-drivers/imx.rst +++ b/Documentation/media/v4l-drivers/imx.rst @@ -572,6 +572,64 @@ supported YUV or RGB pixelformat on the capture device node. This platform accepts Composite Video analog inputs to the ADV7180 on Ain1 (connector J42). +i.MX6DL SabreAuto with ADV7180 decoder +-------------------------------------- + +On the i.MX6DL SabreAuto, an on-board ADV7180 SD decoder is connected to the +parallel bus input on the internal video mux to IPU1 CSI0. + +The following example configures a pipeline to capture from the ADV7180 +video decoder, assuming NTSC 720x480 input signals, using simple +interweave (unconverted and without motion compensation). The adv7180 +must output sequential or alternating fields (field type 'seq-bt' for +NTSC, or 'alternate'): + +.. code-block:: none + + # Setup links + media-ctl -l "'adv7180 4-0021':0 -> 'ipu1_csi0_mux':4[1]" + media-ctl -l "'ipu1_csi0_mux':5 -> 'ipu1_csi0':0[1]" + media-ctl -l "'ipu1_csi0':2 -> 'ipu1_csi0 capture':0[1]" + # Configure pads + media-ctl -V "'adv7180 4-0021':0 [fmt:UYVY2X8/720x480 field:seq-bt]" + media-ctl -V "'ipu1_csi0_mux':5 [fmt:UYVY2X8/720x480]" + media-ctl -V "'ipu1_csi0':2 [fmt:AYUV32/720x480]" + # Configure "ipu1_csi0 capture" interface (assumed at /dev/video0) + v4l2-ctl -d0 --set-fmt-video=field=interlaced_bt + +Streaming can then begin on /dev/video0. The v4l2-ctl tool can also be +used to select any supported YUV pixelformat on /dev/video0. + +This example configures a pipeline to capture from the ADV7180 +video decoder, assuming PAL 720x576 input signals, with Motion +Compensated de-interlacing. The adv7180 must output sequential or +alternating fields (field type 'seq-tb' for PAL, or 'alternate'). + +.. code-block:: none + + # Setup links + media-ctl -l "'adv7180 4-0021':0 -> 'ipu1_csi0_mux':4[1]" + media-ctl -l "'ipu1_csi0_mux':5 -> 'ipu1_csi0':0[1]" + media-ctl -l "'ipu1_csi0':1 -> 'ipu1_vdic':0[1]" + media-ctl -l "'ipu1_vdic':2 -> 'ipu1_ic_prp':0[1]" + media-ctl -l "'ipu1_ic_prp':2 -> 'ipu1_ic_prpvf':0[1]" + media-ctl -l "'ipu1_ic_prpvf':1 -> 'ipu1_ic_prpvf capture':0[1]" + # Configure pads + media-ctl -V "'adv7180 4-0021':0 [fmt:UYVY2X8/720x576 field:seq-tb]" + media-ctl -V "'ipu1_csi0_mux':5 [fmt:UYVY2X8/720x576]" + media-ctl -V "'ipu1_csi0':1 [fmt:AYUV32/720x576]" + media-ctl -V "'ipu1_vdic':2 [fmt:AYUV32/720x576 field:none]" + media-ctl -V "'ipu1_ic_prp':2 [fmt:AYUV32/720x576 field:none]" + media-ctl -V "'ipu1_ic_prpvf':1 [fmt:AYUV32/720x576 field:none]" + # Configure "ipu1_ic_prpvf capture" interface (assumed at /dev/video2) + v4l2-ctl -d2 --set-fmt-video=field=none + +Streaming can then begin on /dev/video2. The v4l2-ctl tool can also be +used to select any supported YUV pixelformat on /dev/video2. + +This platform accepts Composite Video analog inputs to the ADV7180 on +Ain1 (connector J42). + SabreSD with MIPI CSI-2 OV5640 ------------------------------