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Thu, 19 Mar 2026 20:30:09 +0100 (CET) From: Charalampos Mitrodimas To: Michael Riesch via B4 Relay Cc: Mehdi Djait , Laurent Pinchart , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Kever Yang , Jagan Teki , =?utf-8?B?0JrRg9C30L3QtdGG0L7QsiDQnNC40YU=?= =?utf-8?B?0LDQuNC7?= , Sebastian Reichel , Nicolas Dufresne , Collabora Kernel Team , Sakari Ailus , michael.riesch@collabora.com, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/9] Documentation: admin-guide: media: add rk3588 vicap In-Reply-To: <20250430-rk3588-vicap-v2-1-77de5ee9048e@collabora.com> References: <20250430-rk3588-vicap-v2-0-77de5ee9048e@collabora.com> <20250430-rk3588-vicap-v2-1-77de5ee9048e@collabora.com> Date: Thu, 19 Mar 2026 19:30:14 +0000 Message-ID: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260319_123025_961711_6C76DC61 X-CRM114-Status: GOOD ( 16.59 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Michael Riesch via B4 Relay writes: > From: Michael Riesch > > Add a section that describes the Rockchip RK3588 VICAP. > > Signed-off-by: Michael Riesch > --- > .../admin-guide/media/rkcif-rk3588-vicap.dot | 29 ++++++++++++++++++++ > Documentation/admin-guide/media/rkcif.rst | 32 ++++++++++++++++++++++ > 2 files changed, 61 insertions(+) > > diff --git a/Documentation/admin-guide/media/rkcif-rk3588-vicap.dot b/Documentation/admin-guide/media/rkcif-rk3588-vicap.dot > new file mode 100644 > index 000000000000..f6d3404920b5 > --- /dev/null > +++ b/Documentation/admin-guide/media/rkcif-rk3588-vicap.dot > @@ -0,0 +1,29 @@ > +digraph board { > + rankdir=TB > + n00000007 [label="{{ 0} | rkcif-mipi2\n/dev/v4l-subdev0 | { 1}}", shape=Mrecord, style=filled, fillcolor=green] > + n00000007:port1 -> n0000000a > + n00000007:port1 -> n00000010 [style=dashed] > + n00000007:port1 -> n00000016 [style=dashed] > + n00000007:port1 -> n0000001c [style=dashed] > + n0000000a [label="rkcif-mipi2-id0\n/dev/video0", shape=box, style=filled, fillcolor=yellow] > + n00000010 [label="rkcif-mipi2-id1\n/dev/video1", shape=box, style=filled, fillcolor=yellow] > + n00000016 [label="rkcif-mipi2-id2\n/dev/video2", shape=box, style=filled, fillcolor=yellow] > + n0000001c [label="rkcif-mipi2-id3\n/dev/video3", shape=box, style=filled, fillcolor=yellow] > + n00000025 [label="{{ 0} | rkcif-mipi4\n/dev/v4l-subdev1 | { 1}}", shape=Mrecord, style=filled, fillcolor=green] > + n00000025:port1 -> n00000028 > + n00000025:port1 -> n0000002e [style=dashed] > + n00000025:port1 -> n00000034 [style=dashed] > + n00000025:port1 -> n0000003a [style=dashed] > + n00000028 [label="rkcif-mipi4-id0\n/dev/video4", shape=box, style=filled, fillcolor=yellow] > + n0000002e [label="rkcif-mipi4-id1\n/dev/video5", shape=box, style=filled, fillcolor=yellow] > + n00000034 [label="rkcif-mipi4-id2\n/dev/video6", shape=box, style=filled, fillcolor=yellow] > + n0000003a [label="rkcif-mipi4-id3\n/dev/video7", shape=box, style=filled, fillcolor=yellow] > + n00000043 [label="{{ 0} | dw-mipi-csi2rx fdd30000.csi\n/dev/v4l-subdev2 | { 1}}", shape=Mrecord, style=filled, fillcolor=green] > + n00000043:port1 -> n00000007:port0 > + n00000048 [label="{{ 0} | dw-mipi-csi2rx fdd50000.csi\n/dev/v4l-subdev3 | { 1}}", shape=Mrecord, style=filled, fillcolor=green] > + n00000048:port1 -> n00000025:port0 > + n0000004d [label="{{} | imx415 3-001a\n/dev/v4l-subdev4 | { 0}}", shape=Mrecord, style=filled, fillcolor=green] > + n0000004d:port0 -> n00000043:port0 > + n00000051 [label="{{} | imx415 4-001a\n/dev/v4l-subdev5 | { 0}}", shape=Mrecord, style=filled, fillcolor=green] > + n00000051:port0 -> n00000048:port0 > +} > diff --git a/Documentation/admin-guide/media/rkcif.rst b/Documentation/admin-guide/media/rkcif.rst > index 2558c121abc4..fcd7f8cfc5d3 100644 > --- a/Documentation/admin-guide/media/rkcif.rst > +++ b/Documentation/admin-guide/media/rkcif.rst > @@ -77,3 +77,35 @@ and the following video devices: > .. kernel-figure:: rkcif-rk3568-vicap.dot > :alt: Topology of the RK3568 Video Capture (VICAP) unit > :align: center > + > +Rockchip RK3588 Video Capture (VICAP) > +------------------------------------- > + > +The RK3588 Video Capture (VICAP) unit features a digital video port and six > +MIPI CSI-2 capture interfaces that can receive video data independently. > +The DVP accepts parallel video data, BT.656 and BT.1120. > +Since the BT.1120 protocol may feature more than one stream, the RK3568 VICAP Nit, should this be RK3588 instead of RK3568? > +DVP features four DMA engines that can capture different streams. > +Similarly, the RK3588 VICAP MIPI CSI-2 receivers feature four DMA engines each > +to handle different Virtual Channels (VCs). > + > +The rkcif driver represents this hardware variant by exposing the following > +V4L2 subdevices: > + > +* dw-mipi-csi2rx fdd30000.csi: MIPI CSI-2 receiver connected to MIPI DPHY0 > +* dw-mipi-csi2rx fdd50000.csi: MIPI CSI-2 receiver connected to MIPI DPHY1 > +* rkcif-mipi2: INTERFACE/CROP block for the MIPI CSI-2 receiver connected to > + MIPI DPHY0 > +* rkcif-mipi4: INTERFACE/CROP block for the MIPI CSI-2 receiver connected to > + MIPI DPHY1 > + > +and the following video devices: > + > +* rkcif-mipi2-id{0,1,2,3}: The DMA engines connected to the rkcif-mipi2 > + INTERFACE/CROP block. > +* rkcif-mipi4-id{0,1,2,3}: The DMA engines connected to the rkcif-mipi4 > + INTERFACE/CROP block. > + > +.. kernel-figure:: rkcif-rk3588-vicap.dot > + :alt: Topology of the RK3588 Video Capture (VICAP) unit > + :align: center _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip