Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Martin Kepplinger <> | Subject | [RFC PATCH v1 3/4] arm64: dts: imx8mq-librem5: describe the selfie cam | Date | Fri, 15 Oct 2021 10:35:05 +0200 |
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Enable the CSI1 MIPI RX controller and CSI1 bridge on the SoC. Describe the Librem 5 front-facing camera, connected to the CSI1 MIPI.
the following sets formats, streams 10 frames and saves one:
#!/bin/bash WIDTH=1632 HEIGHT=1224 SKIP=10
media-ctl -d "platform:30a90000.csi" --set-v4l2 "'csi':0 [fmt:SGBRG10/${WIDTH}x${HEIGHT} colorspace:raw]" media-ctl -d "platform:30a90000.csi" --set-v4l2 "'imx8mq-mipi-csi2 30a70000.csi':0 [fmt:SGBRG10/${WIDTH}x${HEIGHT} colorspace:raw]" media-ctl -d "platform:30a90000.csi" --set-v4l2 "'hi846 2-0020':0 [fmt:SGBRG10/${WIDTH}x${HEIGHT} colorspace:raw]" media-ctl -d "platform:30a90000.csi" -l "'hi846 2-0020':0 -> 'imx8mq-mipi-csi2 30a70000.csi':0 [1]" v4l2-ctl -d "/dev/v4l/by-path/platform-30a90000.csi-video-index0" --set-fmt-video=width=${WIDTH},height=${HEIGHT},pixelformat=GB16 --stream-mmap --stream-to=$WIDTH.raw --stream-skip=$SKIP --stream-count=1
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm> --- .../boot/dts/freescale/imx8mq-librem5.dtsi | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi index c385f9e0d5f7..42e318d663e5 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi @@ -256,6 +256,10 @@ &A53_3 { cpu-supply = <&buck2_reg>; }; +&csi1 { + status = "okay"; +}; + &ddrc { operating-points-v2 = <&ddrc_opp_table>; @@ -970,6 +974,31 @@ codec: audio-codec@1a { >; }; + camera_front: camera@20 { + compatible = "hynix,hi846"; + reg = <0x20>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_csi1>; + clocks = <&clk IMX8MQ_CLK_CLKO2>; + assigned-clocks = <&clk IMX8MQ_CLK_CLKO2>; + assigned-clock-rates = <25000000>; + reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>; + vdda-supply = <®_vcam_2v8>; + vddd-supply = <®_vcam_1v2>; + vddio-supply = <®_csi_1v8>; + rotation = <90>; + orientation = <0>; + + port { + camera1_ep: endpoint { + data-lanes = <1 2>; + link-frequencies = /bits/ 64 + <80000000 200000000 300000000>; + remote-endpoint = <&mipi1_sensor_ep>; + }; + }; + }; + backlight@36 { compatible = "ti,lm36922"; reg = <0x36>; @@ -1043,6 +1072,23 @@ &lcdif { status = "okay"; }; +&mipi_csi1 { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + ports { + port@1 { + reg = <1>; + + mipi1_sensor_ep: endpoint { + remote-endpoint = <&camera1_ep>; + data-lanes = <1 2>; + }; + }; + }; +}; + &mipi_dsi { #address-cells = <1>; #size-cells = <0>; -- 2.30.2
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