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Groups > linux.kernel > #1588686
| From | Rob Herring <robh@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v4 15/36] platform: add video-multiplexer subdevice driver |
| Date | 2017-02-27 15:50 +0100 |
| Message-ID | <tfuMG-6Wf-5@gated-at.bofh.it> (permalink) |
| References | <tbjZv-8cO-3@gated-at.bofh.it> <tbjZx-8cO-57@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Feb 15, 2017 at 06:19:17PM -0800, Steve Longerbeam wrote:
> From: Philipp Zabel <p.zabel@pengutronix.de>
>
> This driver can handle SoC internal and external video bus multiplexers,
> controlled either by register bit fields or by a GPIO. The subdevice
> passes through frame interval and mbus configuration of the active input
> to the output side.
>
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
>
> --
>
> - fixed a cut&paste error in vidsw_remove(): v4l2_async_register_subdev()
> should be unregister.
>
> - added media_entity_cleanup() and v4l2_device_unregister_subdev()
> to vidsw_remove().
>
> - added missing MODULE_DEVICE_TABLE().
> Suggested-by: Javier Martinez Canillas <javier@dowhile0.org>
>
> - there was a line left over from a previous iteration that negated
> the new way of determining the pad count just before it which
> has been removed (num_pads = of_get_child_count(np)).
>
> - Philipp Zabel has developed a set of patches that allow adding
> to the subdev async notifier waiting list using a chaining method
> from the async registered callbacks (v4l2_of_subdev_registered()
> and the prep patches for that). For now, I've removed the use of
> v4l2_of_subdev_registered() for the vidmux driver's registered
> callback. This doesn't affect the functionality of this driver,
> but allows for it to be merged now, before adding the chaining
> support.
>
> Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
> ---
> .../bindings/media/video-multiplexer.txt | 59 +++
Please make this a separate commit.
> drivers/media/platform/Kconfig | 8 +
> drivers/media/platform/Makefile | 2 +
> drivers/media/platform/video-multiplexer.c | 474 +++++++++++++++++++++
> 4 files changed, 543 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/video-multiplexer.txt
> create mode 100644 drivers/media/platform/video-multiplexer.c
>
> diff --git a/Documentation/devicetree/bindings/media/video-multiplexer.txt b/Documentation/devicetree/bindings/media/video-multiplexer.txt
> new file mode 100644
> index 0000000..9d133d9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/video-multiplexer.txt
> @@ -0,0 +1,59 @@
> +Video Multiplexer
> +=================
> +
> +Video multiplexers allow to select between multiple input ports. Video received
> +on the active input port is passed through to the output port. Muxes described
> +by this binding may be controlled by a syscon register bitfield or by a GPIO.
> +
> +Required properties:
> +- compatible : should be "video-multiplexer"
> +- reg: should be register base of the register containing the control bitfield
> +- bit-mask: bitmask of the control bitfield in the control register
> +- bit-shift: bit offset of the control bitfield in the control register
> +- gpios: alternatively to reg, bit-mask, and bit-shift, a single GPIO phandle
> + may be given to switch between two inputs
> +- #address-cells: should be <1>
> +- #size-cells: should be <0>
> +- port@*: at least three port nodes containing endpoints connecting to the
> + source and sink devices according to of_graph bindings. The last port is
> + the output port, all others are inputs.
> +
> +Example:
> +
> +syscon {
> + compatible = "syscon", "simple-mfd";
> +
> + mux {
> + compatible = "video-multiplexer";
> + /* Single bit (1 << 19) in syscon register 0x04: */
> + reg = <0x04>;
> + bit-mask = <1>;
> + bit-shift = <19>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + mux_in0: endpoint {
> + remote-endpoint = <&video_source0_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + mux_in1: endpoint {
> + remote-endpoint = <&video_source1_out>;
> + };
> + };
> +
> + port@2 {
> + reg = <2>;
> +
> + mux_out: endpoint {
> + remote-endpoint = <&capture_interface_in>;
> + };
> + };
> + };
> +};
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[PATCH v4 00/36] i.MX Media Driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 05/36] ARM: dts: imx6qdl-sabrelite: remove erratum ERR006687 workaround Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 17/36] media: Add userspace header file for i.MX Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 17/36] media: Add userspace header file for i.MX Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-16 12:40 +0100
Re: [PATCH v4 17/36] media: Add userspace header file for i.MX Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-23 01:00 +0100
[PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-16 11:30 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 19:10 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-17 12:00 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-17 12:20 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-17 12:40 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-23 00:50 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-23 00:50 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-23 01:10 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-23 01:20 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-17 15:20 +0100
Re: [PATCH v4 23/36] media: imx: Add MIPI CSI-2 Receiver subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-17 19:30 +0100
[PATCH v4 28/36] media: imx: csi: fix crop rectangle changes in set_fmt Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 28/36] media: imx: csi: fix crop rectangle changes in set_fmt Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-16 12:10 +0100
Re: [PATCH v4 28/36] media: imx: csi: fix crop rectangle changes in set_fmt Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 19:20 +0100
[PATCH v4 35/36] media: imx: csi: fix crop rectangle reset in sink set_fmt Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 27/36] media: imx: csi: add support for bayer formats Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 33/36] media: imx: redo pixel format enumeration and negotiation Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 33/36] media: imx: redo pixel format enumeration and negotiation Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-16 12:40 +0100
Re: [PATCH v4 33/36] media: imx: redo pixel format enumeration and negotiation Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-23 01:00 +0100
Re: [PATCH v4 33/36] media: imx: redo pixel format enumeration and negotiation Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-23 10:20 +0100
Re: [PATCH v4 33/36] media: imx: redo pixel format enumeration and negotiation Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-24 02:50 +0100
[PATCH v4 26/36] media: imx: add support for bayer formats Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 07/36] ARM: dts: imx6-sabresd: add OV5642 and OV5640 camera sensors Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 07/36] ARM: dts: imx6-sabresd: add OV5642 and OV5640 camera sensors Fabio Estevam <festevam@gmail.com> - 2017-02-17 02:00 +0100
Re: [PATCH v4 07/36] ARM: dts: imx6-sabresd: add OV5642 and OV5640 camera sensors Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-17 02:00 +0100
[PATCH v4 10/36] ARM: dts: imx6-sabreauto: add pinctrl for gpt input capture Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 06/36] ARM: dts: imx6-sabrelite: add OV5642 and OV5640 camera sensors Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-18 02:20 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-18 10:30 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-18 18:30 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-18 19:20 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Steve Longerbeam <steve_longerbeam@mentor.com> - 2017-02-18 02:20 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Sakari Ailus <sakari.ailus@iki.fi> - 2017-02-20 23:10 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-21 00:00 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-21 00:50 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Sakari Ailus <sakari.ailus@iki.fi> - 2017-02-21 13:20 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-21 23:30 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-22 00:40 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-21 01:20 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-21 10:00 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-21 01:20 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Sakari Ailus <sakari.ailus@iki.fi> - 2017-02-21 13:40 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-21 14:30 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Sakari Ailus <sakari.ailus@iki.fi> - 2017-02-21 16:40 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-21 17:10 +0100
Re: [PATCH v4 29/36] media: imx: mipi-csi2: enable setting and getting of frame rates Sakari Ailus <sakari.ailus@iki.fi> - 2017-02-21 17:20 +0100
[PATCH v4 13/36] [media] v4l2: add a frame timeout event Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 31/36] media: imx: csi: add __csi_get_fmt Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 12/36] add mux and video interface bridge entity functions Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 12/36] add mux and video interface bridge entity functions Pavel Machek <pavel@ucw.cz> - 2017-02-19 22:40 +0100
Re: [PATCH v4 12/36] add mux and video interface bridge entity functions Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-22 18:30 +0100
[PATCH v4 14/36] [media] v4l2-mc: add a function to inherit controls from a pipeline Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 14/36] [media] v4l2-mc: add a function to inherit controls from a pipeline Pavel Machek <pavel@ucw.cz> - 2017-02-19 23:00 +0100
[PATCH v4 15/36] platform: add video-multiplexer subdevice driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 15/36] platform: add video-multiplexer subdevice driver Pavel Machek <pavel@ucw.cz> - 2017-02-19 23:20 +0100
Re: [PATCH v4 15/36] platform: add video-multiplexer subdevice driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-21 10:20 +0100
Re: [PATCH v4 15/36] platform: add video-multiplexer subdevice driver Pavel Machek <pavel@ucw.cz> - 2017-02-24 21:10 +0100
Re: [PATCH v4 15/36] platform: add video-multiplexer subdevice driver Rob Herring <robh@kernel.org> - 2017-02-27 15:50 +0100
Re: [PATCH v4 15/36] platform: add video-multiplexer subdevice driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-03-01 01:30 +0100
[PATCH v4 21/36] media: imx: Add VDIC subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 32/36] media: imx: csi/fim: add support for frame intervals Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
Re: [PATCH v4 32/36] media: imx: csi/fim: add support for frame intervals Steve Longerbeam <steve_longerbeam@mentor.com> - 2017-02-16 03:40 +0100
[PATCH v4 09/36] ARM: dts: imx6-sabreauto: add reset-gpios property for max7310_b Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:30 +0100
[PATCH v4 01/36] [media] dt-bindings: Add bindings for i.MX media driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:40 +0100
Re: [PATCH v4 01/36] [media] dt-bindings: Add bindings for i.MX media driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-16 13:00 +0100
Re: [PATCH v4 01/36] [media] dt-bindings: Add bindings for i.MX media driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 20:30 +0100
Re: [PATCH v4 01/36] [media] dt-bindings: Add bindings for i.MX media driver Rob Herring <robh@kernel.org> - 2017-02-27 15:50 +0100
Re: [PATCH v4 01/36] [media] dt-bindings: Add bindings for i.MX media driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-03-01 01:40 +0100
[PATCH v4 04/36] ARM: dts: imx6qdl: add capture-subsystem device Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 03:40 +0100
Re: [PATCH v4 18/36] media: Add i.MX media core driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-16 11:30 +0100
Re: [PATCH v4 18/36] media: Add i.MX media core driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 19:00 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-16 12:40 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 19:40 +0100
Re: [PATCH v4 18/36] media: Add i.MX media core driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-16 14:10 +0100
Re: [PATCH v4 18/36] media: Add i.MX media core driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-16 14:50 +0100
Re: [PATCH v4 18/36] media: Add i.MX media core driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-17 02:40 +0100
Re: [PATCH v4 18/36] media: Add i.MX media core driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-17 09:40 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-16 23:30 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-17 00:10 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-17 11:50 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-17 12:00 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-17 12:30 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-18 18:40 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-17 12:50 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Sakari Ailus <sakari.ailus@iki.fi> - 2017-02-17 13:30 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-17 13:40 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-02-17 16:10 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Sakari Ailus <sakari.ailus@iki.fi> - 2017-02-18 13:10 +0100
Re: [PATCH v4 00/36] i.MX Media Driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-16 23:30 +0100
Re: [PATCH v4 24/36] [media] add Omnivision OV5640 sensor driver Rob Herring <robh@kernel.org> - 2017-02-27 15:50 +0100
Re: [PATCH v4 24/36] [media] add Omnivision OV5640 sensor driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-03-01 01:50 +0100
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