Hi,
I am using NVIDIA xavier NX interfaced with OV2311 image sensor with 2 lanes CSI4D0 and CSI4D1. I am using the following device tree:
/ {
host1x {
vi@15c10000 {
num-channels = <1>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
status = "okay";
ov2311_vi_in4: endpoint {
status = "okay";
port-index = <4>;
bus-width = <2>;
remote-endpoint = <&ov2311_csi_out4>;
};
};
};
};
};
nvcsi@15a00000 {
num-channels = <1>;
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
channel@0 {
status = "okay";
reg = <0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
status = "okay";
reg = <0>;
ov2311_csi_in4: endpoint@0 {
status = "okay";
port-index = <4>;
bus-width = <2>;
remote-endpoint = <&ov2311_out4>;
};
};
port@1 {
status = "okay";
reg = <1>;
ov2311_csi_out4: endpoint@1 {
status = "okay";
remote-endpoint = <&ov2311_vi_in4>;
};
};
};
};
};
i2c@3180000 {
ov2311@60 {
compatible = "nvidia,ov2311";
reg = <0x60>; //I2C slave address
devnode = "video0";//device name
/* Physical dimensions of sensor */
physical_w = "3.674"; //physical width of the sensor
physical_h = "2.738"; //physical height of the sensor
/* Enable EEPROM support */
has-eeprom = "0";
/* Define any required hw resources needed by driver */
/* ie. clocks, io pins, power sources */
avdd-reg = "vana"; //Power Regulator
iovdd-reg = "vif"; //Power Regulator
mode0 {
mclk_khz = "24000"; //MIPI driving clock
num_lanes = "2"; //Number of lanes
tegra_sinterface = "serial_e"; //Serial interface
phy_mode = "DPHY"; //physical connection mode
discontinuous_clk = "yes";
dpcm_enable = "false"; //Don't care
cil_settletime = "0"; //Don't care
active_w = "2592"; //active width
active_h = "1944"; //active height
mode_type = "bayer"; //sensor type
pixel_phase = "bggr"; //output format
csi_pixel_bit_depth = "10"; //bit per pixel
readout_orientation = "0"; //Don't care
line_length = "2688"; //Total width
inherent_gain = "1"; //Don't care
mclk_multiplier = "6.67"; //pix_clk_hz/mclk_khz
pix_clk_hz = "160000000"; //Pixel clock HTotal*VTotal*FPS
gain_factor = "10"; //Don't care
min_gain_val = "10";/* 1DB*/ //Don't care
max_gain_val = "160";/* 16DB*/ //Don't care
step_gain_val = "1"; //Don't care
default_gain = "10"; //Don't care
min_hdr_ratio = "1"; //Don't care
max_hdr_ratio = "1"; //Don't care
framerate_factor = "1000000"; //Don't care
min_framerate = "1816577"; //Don't care
max_framerate = "30000000";
step_framerate = "1";
default_framerate = "30000000";
exposure_factor = "1000000"; //Don't care
min_exp_time = "34"; //Don't care
max_exp_time = "550385"; //Don't care
step_exp_time = "1"; //Don't care
default_exp_time = "33334"; //Don't care
embedded_metadata_height = "0";//Don't care
};
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
ov2311_out4: endpoint {
port-index = <4>;
bus-width = <2>;
remote-endpoint = <&ov2311_csi_in4>;
};
};
};
};
};
};
/ {
tegra-camera-platform {
compatible = “nvidia, tegra-camera-platform”;
num_csi_lanes = <2>; //Number of lanes
max_lane_speed = <1500000>; //Maximum lane speed
min_bits_per_pixel = <12>; //bits per pixel
vi_peak_byte_per_pixel = <2>; //byte per pixel
vi_bw_margin_pct = <25>; //Don’t care
max_pixel_rate = <160000>; //Don’t care
isp_peak_byte_per_pixel = <5>;//Don’t care
isp_bw_margin_pct = <25>; //Don’t care
modules {
module0 { //OV2311 basic details
badge = "jakku_front_ov2311";
position = "front";
orientation = "1";
status = "okay";
drivernode0 {
pcl_id = "v4l2_sensor";
status = "okay";
devname = "ov2311 2-0060";
proc-device-tree = "/proc/device-tree/i2c@3180000/ov2311@60"; //Device tree node path
};
};
};
};
};
The cam_i2c pins are directly connected. The image sensor is detected properly but the /dev/video0 node is not created. Can anyone help with this ?