Re: [PATCH 2/5] arm64: dts: imx8mm: Add CSI nodes

Tim Harvey
2021-11-05T19:32:49Z

On Fri, Nov 5, 2021 at 6:42 AM Adam Ford <aford173@gmail.com> wrote:
>
> There is a csi bridge and csis interface that tie together
> to allow csi2 capture.
>
> Signed-off-by: Adam Ford <aford173@gmail.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> arch/arm64/boot/dts/freescale/imx8mm.dtsi | 51 +++++++++++++++++++++++
> 1 file changed, 51 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index c2f3f118f82e..1f69c14d953f 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -1068,6 +1068,22 @@ aips4: bus@32c00000 {
> #size-cells = <1>;
> ranges = <0x32c00000 0x32c00000 0x400000>;
>
> + csi: csi@32e20000 {
> + compatible = "fsl,imx8mm-csi", "fsl,imx7-csi";
> + reg = <0x32e20000 0x1000>;
> + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clk IMX8MM_CLK_CSI1_ROOT>;
> + clock-names = "mclk";
> + power-domains = <&disp_blk_ctrl IMX8MM_DISPBLK_PD_CSI_BRIDGE>;
> + status = "disabled";
> +
> + port {
> + csi_in: endpoint {
> + remote-endpoint = <&imx8mm_mipi_csi_out>;
> + };
> + };
> + };
> +
> disp_blk_ctrl: blk-ctrl@32e28000 {
> compatible = "fsl,imx8mm-disp-blk-ctrl", "syscon";
> reg = <0x32e28000 0x100>;
> @@ -1095,6 +1111,41 @@ disp_blk_ctrl: blk-ctrl@32e28000 {
> #power-domain-cells = <1>;
> };
>
> + mipi_csi: mipi-csi@32e30000 {
> + compatible = "fsl,imx8mm-mipi-csi2";
> + reg = <0x32e30000 0x1000>;
> + interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
> + assigned-clocks = <&clk IMX8MM_CLK_CSI1_CORE>,
> + <&clk IMX8MM_CLK_CSI1_PHY_REF>;
> + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_1000M>,
> + <&clk IMX8MM_SYS_PLL2_1000M>;
> + clock-frequency = <333000000>;
> + clocks = <&clk IMX8MM_CLK_DISP_APB_ROOT>,
> + <&clk IMX8MM_CLK_CSI1_ROOT>,
> + <&clk IMX8MM_CLK_CSI1_PHY_REF>,
> + <&clk IMX8MM_CLK_DISP_AXI_ROOT>;
> + clock-names = "pclk", "wrap", "phy", "axi";
> + power-domains = <&disp_blk_ctrl IMX8MM_DISPBLK_PD_MIPI_CSI>;
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + imx8mm_mipi_csi_out: endpoint {
> + remote-endpoint = <&csi_in>;
> + };
> + };
> + };
> + };
> +
> usbotg1: usb@32e40000 {
> compatible = "fsl,imx8mm-usb", "fsl,imx7d-usb";
> reg = <0x32e40000 0x200>;
> --
> 2.32.0
>

Adam,

With your new series I can also now capture without hanging from
imx219 on imx8mm-venice-gw73xx-0x:

media-ctl --links "'imx219 2-0010':0->'imx7-mipi-csis.0':0[1]"
media-ctl -v -V "'imx219 2-0010':0 [fmt:SRGGB8/640x480 field:none]"
media-ctl -v -V "'csi':0 [fmt:SRGGB8/640x480 field:none]"
media-ctl --print-topology
gst-launch-1.0 -v v4l2src num-buffers=1 !
video/x-bayer,format=rggb,width=640,height=480,framerate=30/1 !
filesink location=test.raw # not sure how to view this
gst-launch-1.0 -v v4l2src num-buffers=1 !
video/x-bayer,format=rggb,width=640,height=480,framerate=30/1 !
bayer2rgb ! filesink location=test.rgb # not sure how to view this
gst-launch-1.0 -v v4l2src num-buffers=1 !
video/x-bayer,format=rggb,width=640,height=480,framerate=30/1 !
bayer2rgb ! jpegenc ! filesink location=test.jpg # works - image is
good
gst-launch-1.0 -v v4l2src num-buffers=300 !
video/x-bayer,format=rggb,width=640,height=480,framerate=30/1 !
bayer2rgb ! jpegenc ! avimux ! filesink location=test.avi # works
-image is good

Thanks for your work on this!

For the series:
Reviewed-By: Tim Harvey <tharvey@gateworks.com>
Tested-By: Tim Harvey <tharvey@gateworks.com>
(imx8mm-venice-gw73xx-0x + rpiv2 IMX219 camera)

Best regards,

Tim