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FeiJi

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  1. I try to Enable OV5640 on Banana Pi M64 too;used armbian with kernel 5.10; but when kernel start OV5640 has an error [ 6.771712] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Mar 30 2016 11:30:56 version 7.45.77.h8.4 FWID 01-ee8a6268 [ 7.185164] ov5640 1-003c: ov5640_read_reg: error: reg=300a [ 7.185180] ov5640 1-003c: ov5640_set_power_on: failed to read chip identifier [ 7.904788] Adding 985724k swap on /dev/zram0. Priority:5 extents:1 across:985724k SSFS [ 9.133355] zram1: detected capacity change from 0 to 52428800 I added this to sun50i-a64-bananapi-m64.dts: i2c-csi { compatible = "i2c-gpio"; sda-gpios = <&pio 4 13 GPIO_ACTIVE_HIGH>; /* PE13 */ scl-gpios = <&pio 4 12 GPIO_ACTIVE_HIGH>; /* PE12 */ i2c-gpio,delay-us = <5>; #address-cells = <1>; #size-cells = <0>; ov5640: camera@3c { compatible = "ovti,ov5640"; reg = <0x3c>; pinctrl-names = "default"; pinctrl-0 = <&csi_mclk_pin>; clocks = <&ccu CLK_CSI_MCLK>; clock-names = "xclk"; AVDD-supply = <&reg_dldo3>; DOVDD-supply = <&reg_aldo1>; DVDD-supply = <&reg_eldo3>; reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */ powerdown-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */ port { ov5640_ep: endpoint { remote-endpoint = <&csi_ep>; bus-width = <8>; hsync-active = <1>; /* Active high */ vsync-active = <0>; /* Active low */ data-active = <1>; /* Active high */ pclk-sample = <1>; /* Rising */ }; }; }; }; &csi { status = "okay"; port { #address-cells = <1>; #size-cells = <0>; csi_ep: endpoint { remote-endpoint = <&ov5640_ep>; bus-width = <8>; hsync-active = <1>; /* Active high */ vsync-active = <0>; /* Active low */ data-active = <1>; /* Active high */ pclk-sample = <1>; /* Rising */ }; }; }; and try change I2C to: sda-gpios = <&pio 4 13 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN|GPIO_PULL_UP)>; /* CSI0-SDA: PE13 */ scl-gpios = <&pio 4 12 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN|GPIO_PULL_UP)>; /* CSI0-SCK: PE12 */ but the result is the same I just check my I2C setting,it seems right root@bananapim64:~# cat /boot/config-`uname -r` | grep I2C | grep GPIO CONFIG_I2C_ARB_GPIO_CHALLENGE=m CONFIG_I2C_MUX_GPIO=m CONFIG_I2C_CBUS_GPIO=m CONFIG_I2C_GPIO=m # CONFIG_I2C_GPIO_FAULT_INJECTOR is not set # I2C GPIO expanders # end of I2C GPIO expanders also I have add sun6i_csi and ov5640 root@bananapim64:~# lsmod|grep ov ov5640 28672 1 v4l2_fwnode 24576 2 ov5640,sun6i_csi videodev 233472 9 sunxi_cedrus,sun8i_rotate,v4l2_fwnode,ov5640,videobuf2_v4l2,sun8i_di,sun6i_csi,videobuf2_common,v4l2_mem2mem mc 49152 7 sunxi_cedrus,videodev,ov5640,videobuf2_v4l2,sun6i_csi,videobuf2_common,v4l2_mem2mem root@bananapim64:~# dmesg | grep sun6i-csi [ 5.985118] sun6i-csi 1cb0000.csi: creating ov5640 1-003c:0 -> sun6i-csi:0 link root@bananapim64:~#
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