Hello Sir,
because no EEPROM with my daughter board, I build the main platform mode dts file for it, but there is no device probe print at start, I verified that device can be access by i2cget normally.
static const struct of_device_id tp2854_of_match = {
{ .compatible = “nvidia,tp2854”,},
{ },
};
- in tegra186-quill-p3310-1000-a00-00-base.dts
#include <t18x-common-platforms/tegra186-quill-common-p3310-1000-a00.dtsi>
#include <t18x-common-platforms/tegra186-quill-power-tree-p3310-1000-a00-00.dtsi>
/*
#include <t18x-common-platforms/tegra186-quill-camera-modules.dtsi>
*/
#include <t18x-common-platforms/tegra186-quill-camera-tp2854-m00.dtsi>
#include <t18x-common-modules/tegra186-display-e3320-1000-a00.dtsi>
/* comms dtsi file should be included after gpio dtsi file /
#include <t18x-common-platforms/tegra186-quill-comms.dtsi>
#include <t18x-common-plugin-manager/tegra186-quill-p3310-1000-a00-plugin-manager.dtsi>
#include <t18x-common-modules/tegra186-super-module-e2614-p2597-1000-a00.dtsi>
#include <t18x-common-plugin-manager/tegra186-quill-display-plugin-manager.dtsi>
#include <t18x-common-prod/tegra186-priv-quill-p3310-1000-a00-prod.dtsi>
/
#include <t18x-common-plugin-manager/tegra186-quill-camera-plugin-manager.dtsi>
*/
- tegra186-quill-camera-tp2854-m00.dtsi
#include <t18x-common-modules/tegra186-camera-tp2854-m00.dtsi>
#include “dt-bindings/clock/tegra186-clock.h”
#define CAM0_RST_L TEGRA_MAIN_GPIO(R, 5)
#define CAM0_PWDN TEGRA_MAIN_GPIO(R, 0)
/* camera control gpio definitions */
/ {
i2c@3180000 {
tp2854_a@44 {
/* Define any required hw resources needed by driver /
/ ie. clocks, io pins, power sources /
/ mclk-index indicates the index of the /
/ mclk-name with in the clock-names array */
clocks = <&tegra_car TEGRA186_CLK_EXTPERIPH1>,
<&tegra_car TEGRA186_CLK_PLLP_OUT0>;
clock-names = "extperiph1", "pllp_grtba";
mclk = "extperiph1";
clock-frequency = <27000000>;
reset-gpios = <&tegra_main_gpio CAM0_RST_L GPIO_ACTIVE_HIGH>;
pwdn-gpios = <&tegra_main_gpio CAM0_PWDN GPIO_ACTIVE_HIGH>;
vana-supply = <&en_vdd_cam_hv_2v8>;
vif-supply = <&en_vdd_cam>;
};
};
gpio@2200000 {
camera-control-output-low {
gpio-hog;
output-low;
gpios = <CAM0_RST_L 0 CAM0_PWDN 0>;
label = "cam0-rst", "cam0-pwdn";
};
};
};
- tegra186-camera-tp2854-m00.dtsi
/ {
host1x {
vi@15700000 {
num-channels = <1>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
status = “okay”;
tp2854_vi_in0: endpoint {
status = “okay”;
csi-port = <0>;
bus-width = <4>;
remote-endpoint = <&tp2854_csi_out0>;
};
};
};
};
nvcsi@150c0000 {
num-channels = <1>;
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0>;
status = "okay";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
status = "okay";
tp2854_csi_in0: endpoint@0 {
status = "okay";
csi-port = <0>;
bus-width = <4>;
remote-endpoint = <&tp2854_out0>;
};
};
port@1 {
reg = <1>;
status = "okay";
tp2854_csi_out0: endpoint@1 {
status = "okay";
remote-endpoint = <&tp2854_vi_in0>;
};
};
};
};
};
};
i2c@3180000 {
tp2854_a@44 {
compatible = "nvidia, tp2854";
/* I2C device address */
reg = <0x44>;
/* V4L2 device node location */
devnode = "video0";
/* Physical dimensions of sensor */
physical_w = "3.674";
physical_h = "2.738";
sensor_model ="tp2854";
/* Define any required hw resources needed by driver */
/* ie. clocks, io pins, power sources */
avdd-reg = "vana";
iovdd-reg = "vif";
dvdd-reg = "vdig";
/* Defines number of frames to be dropped by driver internally after applying */
/* sensor crop settings. Some sensors send corrupt frames after applying */
/* crop co-ordinates */
/*post_crop_frame_drop = "0";*/
/**
* A modeX node is required to support v4l2 driver
* implementation with NVIDIA camera software stack
*
* mclk_khz = "";
* Standard MIPI driving clock, typically 24MHz
*
* num_lanes = "";
* Number of lane channels sensor is programmed to output
*
* tegra_sinterface = "";
* The base tegra serial interface lanes are connected to
*
* discontinuous_clk = "";
* The sensor is programmed to use a discontinuous clock on MIPI lanes
*
* dpcm_enable = "true";
* The sensor is programmed to use a DPCM modes
*
* cil_settletime = "";
* MIPI lane settle time value.
* A "0" value attempts to autocalibrate based on mclk_multiplier
*
*
*
*
* active_w = "";
* Pixel active region width
*
* active_h = "";
* Pixel active region height
*
* pixel_t = "";
* The sensor readout pixel pattern
*
* readout_orientation = "0";
* Based on camera module orientation.
* Only change readout_orientation if you specifically
* Program a different readout order for this mode
*
* line_length = "";
* Pixel line length (width) for sensor mode.
* This is used to calibrate features in our camera stack.
*
* mclk_multiplier = "";
* Multiplier to MCLK to help time hardware capture sequence
* TODO: Assign to PLL_Multiplier as well until fixed in core
*
* pix_clk_hz = "";
* Sensor pixel clock used for calculations like exposure and framerate
*
*
*
*
* inherent_gain = "";
* Gain obtained inherently from mode (ie. pixel binning)
*
* min_gain_val = ""; (floor to 6 decimal places)
* max_gain_val = ""; (floor to 6 decimal places)
* Gain limits for mode
*
* min_exp_time = ""; (ceil to integer)
* max_exp_time = ""; (ceil to integer)
* Exposure Time limits for mode (us)
*
*
* min_hdr_ratio = "";
* max_hdr_ratio = "";
* HDR Ratio limits for mode
*
* min_framerate = "";
* max_framerate = "";
* Framerate limits for mode (fps)
*
* embedded_metadata_height = "";
* Sensor embedded metadata height in units of rows.
* If sensor does not support embedded metadata value should be 0.
*/
mode0 { // tp2854_MODE_1920X1080
mclk_khz = "27000";
num_lanes = "4";
tegra_sinterface = "serial_a";
phy_mode = "DPHY";
discontinuous_clk = "no";
dpcm_enable = "false";
cil_settletime = "0";
active_w = "1920";
active_h = "1080";
pixel_t = "bayer_bggr";
readout_orientation = "90";
line_length = "1928";
inherent_gain = "1";
mclk_multiplier = "16";
pix_clk_hz = "207000000";
min_gain_val = "1.0";
max_gain_val = "16.0";
min_hdr_ratio = "1";
max_hdr_ratio = "1";
min_framerate = "1.5";
max_framerate = "30";
min_exp_time = "16.165";
max_exp_time = "666637";
embedded_metadata_height = "1";
};
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
tp2854_out0: endpoint {
csi-port = <0>;
bus-width = <4>;
remote-endpoint = <&tp2854_csi_in0>;
};
};
};
};
};
tegra-camera-platform {
compatible = "nvidia, tegra-camera-platform";
/**
* Physical settings to calculate max ISO BW
*
* num_csi_lanes = <>;
* Total number of CSI lanes when all cameras are active
*
* max_lane_speed = <>;
* Max lane speed in Kbit/s
*
* min_bits_per_pixel = <>;
* Min bits per pixel
*
* vi_peak_byte_per_pixel = <>;
* Max byte per pixel for the VI ISO case
*
* vi_bw_margin_pct = <>;
* Vi bandwidth margin in percentage
*
* max_pixel_rate = <>;
* Max pixel rate in Kpixel/s for the ISP ISO case
*
* isp_peak_byte_per_pixel = <>;
* Max byte per pixel for the ISP ISO case
*
* isp_bw_margin_pct = <>;
* Isp bandwidth margin in percentage
*/
num_csi_lanes = <4>;
max_lane_speed = <1500000>;
min_bits_per_pixel = <10>;
vi_peak_byte_per_pixel = <2>;
vi_bw_margin_pct = <25>;
max_pixel_rate = <750000>;
isp_peak_byte_per_pixel = <2>;
isp_bw_margin_pct = <25>;
/**
* The general guideline for naming badge_info contains 3 parts, and is as follows,
* The first part is the camera_board_id for the module; if the module is in a FFD
* platform, then use the platform name for this part.
* The second part contains the position of the module, ex. rear or front.
* The third part contains the last 6 characters of a part number which is found
* in the module's specsheet from the vender.
*/
modules {
module0 {
badge = "tp2854_front_A6V24";
position = "rear";
status = "okay";
orientation = "1";
drivernode0 {
/* Declare PCL support driver (classically known as guid) */
pcl_id = "v4l2_sensor";
devname = "tp2854 2-0044";
status = "okay";
/* Declare the device-tree hierarchy to driver instance */
proc-device-tree = "/proc/device-tree/i2c@3180000/tp2854_a@44";
};
};
};
};
};