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This is roughly based on descriptions found in downstream kernel tree [1], adapted to match upstream bindings. The camera can probe successfully and establish an image path through MIPI-CSI and CSI peripherals, but so far I wasn't able to transfer the actual image, probably due to pixel format incompatibilities between the camera and CSI peripheral drivers - yet I'm hoping, that submitting this will eventually help getting full support. Link: https://github.com/technexion-android/kernel_imx/blob/ce8fd74abf518dac0a09e8dcb37f3496f6375124/arch/arm/boot/dts/imx7d-pico.dtsi#L874 [1] Signed-off-by: Lech Perczak --- arch/arm/boot/dts/nxp/imx/imx7d-pico-pi.dts | 60 +++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-pico-pi.dts b/arch/arm/boot/dts/nxp/imx/imx7d-pico-pi.dts index 62221131336f..b36936ecfa4b 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7d-pico-pi.dts +++ b/arch/arm/boot/dts/nxp/imx/imx7d-pico-pi.dts @@ -59,6 +59,33 @@ polytouch: touchscreen@38 { touchscreen-size-x = <800>; touchscreen-size-y = <480>; }; + + camera@3c { + compatible = "ovti,ov5645"; + reg = <0x3c>; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_camera>; + + clocks = <&clks IMX7D_CLKO1_ROOT_DIV>; + assigned-clocks = <&clks IMX7D_CLKO1_ROOT_DIV>; + assigned-clock-rates = <24000000>; + + enable-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio1 5 GPIO_ACTIVE_LOW>; + + vdda-supply = <®_2p5v>; + vdddo-supply = <®_vref_1v8>; + vddd-supply = <®_vref_1v8>; + + port { + ov5645_to_mipi_csi2: endpoint { + remote-endpoint = <&mipi_csi2_in>; + clock-lanes = <0>; + data-lanes = <1 2>; + }; + }; + }; }; &usdhc1 { @@ -93,5 +120,38 @@ MX7D_PAD_EPDC_DATA04__GPIO2_IO4 0x14 MX7D_PAD_EPDC_DATA13__GPIO2_IO13 0x14 >; }; +}; + +&iomuxc_lpsr { + pinctrl_camera: cameragrp { + fsl,pins = < + MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4 0x15 + MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x15 + MX7D_PAD_LPSR_GPIO1_IO02__CCM_CLKO1 0x7d + >; + }; +}; + +&csi { + status = "okay"; +}; + +&mipi_csi { + status = "okay"; + clock-frequency = <24000000>; + + ports { + port@0 { + reg = <0>; + + mipi_csi2_in: endpoint { + remote-endpoint = <&ov5645_to_mipi_csi2>; + data-lanes = <1 2>; + }; + }; + }; +}; +&video_mux { + status = "okay"; }; base-commit: 79bd2dded182b1d458b18e62684b7f82ffc682e5 -- 2.47.3