/* * Copyright (c) 2016-2019, NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #define CAM0_RST_L TEGRA194_MAIN_GPIO(H, 3) #define CAMERA_I2C_MUX_BUS(x) (0x1E + x) / { host1x { vi@15c10000 { num-channels = <1>; ports { #address-cells = <1>; #size-cells = <0>; status = "okay"; port@0 { reg = <0>; status = "okay"; atar231_vi_in0: endpoint { port-index = <0>; bus-width = <4>; remote-endpoint = <&atar231_csi_out0>; }; }; }; }; nvcsi@15a00000 { num-channels = <1>; #address-cells = <1>; #size-cells = <0>; channel@0 { reg = <0>; ports { #address-cells = <1>; #size-cells = <0>; port@0 { reg = <0>; atar231_csi_in0: endpoint@0 { status = "okay"; port-index = <2>; bus-width = <4>; remote-endpoint = <&atar231_ar231_out0>; }; }; port@1 { reg = <1>; atar231_csi_out0: endpoint@1 { remote-endpoint = <&atar231_vi_in0>; }; }; }; }; }; }; i2c@31e0000 { status = "okay"; ar231_a@18 { compatible = "nvidia,ar231"; reg = <0x18>; devnode = "video0"; clocks = <&bpmp_clks TEGRA194_CLK_EXTPERIPH1>, <&bpmp_clks TEGRA194_CLK_EXTPERIPH1>; clock-names = "extperiph1", "pllp_grtba"; mclk = "extperiph1"; reset-gpios = <&tegra_main_gpio CAM0_RST_L GPIO_ACTIVE_HIGH>; clock-frequency = <24000000>; /* Physical dimensions of sensor */ physical_w = "15.0"; physical_h = "12.5"; sensor_model ="ar231"; /* Define any required hw resources needed by driver */ /* ie. clocks, io pins, power sources */ /* 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"; /* Convert Gain to unit of dB (decibel) befor passing to kernel driver */ use_decibel_gain = "true"; /* if true, delay gain setting by one frame to be in sync with exposure */ delayed_gain = "true"; /* enable CID_SENSOR_MODE_ID for sensor modes selection */ use_sensor_mode_id = "true"; /* WAR to prevent banding by reducing analog gain. Bug 2229902 */ limit_analog_gain = "true"; /** * ==== Modes ==== * A modeX node is required to support v4l2 driver * implementation with NVIDIA camera software stack * * == Signal properties == * * phy_mode = ""; * PHY mode used by the MIPI lanes for this device * * tegra_sinterface = ""; * CSI Serial interface connected to tegra * Incase of virtual HW devices, use virtual * For SW emulated devices, use host * * pix_clk_hz = ""; * Sensor pixel clock used for calculations like exposure and framerate * * readout_orientation = "0"; * Based on camera module orientation. * Only change readout_orientation if you specifically * Program a different readout order for this mode * * == Image format Properties == * * active_w = ""; * Pixel active region width * * active_h = ""; * Pixel active region height * * pixel_t = ""; * The sensor readout pixel pattern * * line_length = ""; * Pixel line length (width) for sensor mode. * * == Source Control Settings == * * Gain factor used to convert fixed point integer to float * Gain range [min_gain/gain_factor, max_gain/gain_factor] * Gain step [step_gain/gain_factor is the smallest step that can be configured] * Default gain [Default gain to be initialized for the control. * use min_gain_val as default for optimal results] * Framerate factor used to convert fixed point integer to float * Framerate range [min_framerate/framerate_factor, max_framerate/framerate_factor] * Framerate step [step_framerate/framerate_factor is the smallest step that can be configured] * Default Framerate [Default framerate to be initialized for the control. * use max_framerate to get required performance] * Exposure factor used to convert fixed point integer to float * For convenience use 1 sec = 1000000us as conversion factor * Exposure range [min_exp_time/exposure_factor, max_exp_time/exposure_factor] * Exposure step [step_exp_time/exposure_factor is the smallest step that can be configured] * Default Exposure Time [Default exposure to be initialized for the control. * Set default exposure based on the default_framerate for optimal exposure settings] * * gain_factor = ""; (integer factor used for floating to fixed point conversion) * min_gain_val = ""; (ceil to integer) * max_gain_val = ""; (ceil to integer) * step_gain_val = ""; (ceil to integer) * default_gain = ""; (ceil to integer) * Gain limits for mode * * exposure_factor = ""; (integer factor used for floating to fixed point conversion) * min_exp_time = ""; (ceil to integer) * max_exp_time = ""; (ceil to integer) * step_exp_time = ""; (ceil to integer) * default_exp_time = ""; (ceil to integer) * Exposure Time limits for mode (sec) * * framerate_factor = ""; (integer factor used for floating to fixed point conversion) * min_framerate = ""; (ceil to integer) * max_framerate = ""; (ceil to integer) * step_framerate = ""; (ceil to integer) * default_framerate = ""; (ceil to integer) * 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 {/*mode AR231_MODE_1920X1080_CROP_30FPS*/ mclk_khz = "25000"; num_lanes = "4"; tegra_sinterface = "serial_a"; phy_mode = "DPHY"; discontinuous_clk = "no"; dpcm_enable = "false"; cil_settletime = "0"; dynamic_pixel_bit_depth = "12"; csi_pixel_bit_depth = "12"; mode_type = "bayer"; pixel_phase = "rggb"; active_w = "1920"; active_h = "1080"; readout_orientation = "0"; line_length = "2200"; inherent_gain = "1"; mclk_multiplier = "2"; pix_clk_hz = "74250000"; gain_factor = "10"; min_gain_val = "0"; /* 0dB */ max_gain_val = "480"; /* 48dB */ step_gain_val = "3"; /* 0.3 */ default_gain = "0"; min_hdr_ratio = "1"; max_hdr_ratio = "1"; framerate_factor = "1000000"; min_framerate = "1500000"; /* 1.5 */ max_framerate = "30000000"; /* 30 */ step_framerate = "1"; default_framerate= "30000000"; exposure_factor = "1000000"; min_exp_time = "30"; /* us */ max_exp_time = "660000"; /* us */ step_exp_time = "1"; default_exp_time = "33334";/* us */ embedded_metadata_height = "1"; }; ports { status = "okay"; #address-cells = <1>; #size-cells = <0>; port@0 { reg = <0>; atar231_ar231_out0: endpoint { status = "okay"; port-index = <0>; bus-width = <4>; remote-endpoint = <&atar231_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>; isp_peak_byte_per_pixel = <5>; 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 = "ar231_bottom_atar231"; position = "rear"; orientation = "0"; drivernode0 { /* Declare PCL support driver (classically known as guid) */ pcl_id = "v4l2_sensor"; /* Driver v4l2 device name */ devname = "ar231 8-0018"; status = "okay"; /* Declare the device-tree hierarchy to driver instance */ proc-device-tree = "/proc/device-tree/i2c@31e0000/ar231_a@18"; }; }; }; }; };