arch/arm64/boot/dts/renesas/gmsl-cameras.dtsi

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2017 Ideas on Board <kieran.bingham@ideasonboard.com>
   4  * Copyright (C) 2021 Jacopo Mondi <jacopo+renesas@jmondi.org>
   5  *
   6  * Device Tree Source (overlay) that describes GMSL camera connected to
   7  * Fakra connectors for the Eagle V3M and Condor V3H (and compatible) boards.
   8  *
   9  * The following cameras are currently supported: RDACM20 and RDACM21.
  10  *
  11  * The board .dts file that include this has to select which cameras are in use
  12  * by specifying the camera model with:
  13  *
  14  * #define GMSL_CAMERA_RDACM20
  15  * or
  16  * #define GMSL_CAMERA_RDACM21
  17  *
  18  * And which cameras are connected to the board by defining:
  19  * for GMSL channel 0:
  20  *         #define GMSL_CAMERA_0
  21  *         #define GMSL_CAMERA_1
  22  *         #define GMSL_CAMERA_2
  23  *         #define GMSL_CAMERA_3
  24  *
  25  * for GMSL channel 1:
  26  *         #define GMSL_CAMERA_4
  27  *         #define GMSL_CAMERA_5
  28  *         #define GMSL_CAMERA_6
  29  *         #define GMSL_CAMERA_7
  30  */
  31
  32 #include <dt-bindings/gpio/gpio.h>
  33
  34 /* Validate the board file settings. */
  35 #if !defined(GMSL_CAMERA_RDACM20) && !defined(GMSL_CAMERA_RDACM21)
  36 #error "Camera model should be defined by the board file"
  37 #endif
  38
  39 #if defined(GMSL_CAMERA_RDACM20) && defined(GMSL_CAMERA_RDACM21)
  40 #error "A single camera model should be selected"
  41 #endif
  42
  43 #if !defined(GMSL_CAMERA_0) && !defined(GMSL_CAMERA_1) && \
  44     !defined(GMSL_CAMERA_2) && !defined(GMSL_CAMERA_3) && \
  45     !defined(GMSL_CAMERA_4) && !defined(GMSL_CAMERA_5) && \
  46     !defined(GMSL_CAMERA_6) && !defined(GMSL_CAMERA_7)
  47 #error "At least one camera should be selected"
  48 #endif
  49
  50 /* Deduce from the enabled cameras which GMSL channels are active. */
  51 #if defined(GMSL_CAMERA_0) || defined(GMSL_CAMERA_1) || \
  52     defined(GMSL_CAMERA_2) || defined(GMSL_CAMERA_3)
  53 #define GMSL_0
  54 #endif
  55
  56 #if defined(GMSL_CAMERA_4) || defined(GMSL_CAMERA_5) || \
  57     defined(GMSL_CAMERA_6) || defined(GMSL_CAMERA_7)
  58 #define GMSL_1
  59 #endif
  60
  61 /* Deduce the camera model compatible string. */
  62 #if defined(GMSL_CAMERA_RDACM20)
  63 #define GMSL_CAMERA_MODEL "imi,rdacm20"
  64 #elif defined(GMSL_CAMERA_RDACM21)
  65 #define GMSL_CAMERA_MODEL "imi,rdacm21"
  66 #endif
  67
  68 #ifdef GMSL_0
  69 &vin0 {
  70         status = "okay";
  71 };
  72
  73 &vin1 {
  74         status = "okay";
  75 };
  76
  77 &vin2 {
  78         status = "okay";
  79 };
  80
  81 &vin3 {
  82         status = "okay";
  83 };
  84
  85 &gmsl0 {
  86         status = "okay";
  87
  88 #if defined(GMSL_CAMERA_RDACM21)
  89         maxim,reverse-channel-microvolt = <100000>;
  90 #endif
  91
  92         ports {
  93 #ifdef GMSL_CAMERA_0
  94                 port@0 {
  95                         max9286_in0: endpoint {
  96                                 remote-endpoint = <&fakra_con0>;
  97                         };
  98                 };
  99 #endif
 100
 101 #ifdef GMSL_CAMERA_1
 102                 port@1 {
 103                         max9286_in1: endpoint {
 104                                 remote-endpoint = <&fakra_con1>;
 105                         };
 106
 107                 };
 108 #endif
 109
 110 #ifdef GMSL_CAMERA_2
 111                 port@2 {
 112                         max9286_in2: endpoint {
 113                                 remote-endpoint = <&fakra_con2>;
 114                         };
 115
 116                 };
 117 #endif
 118
 119 #ifdef GMSL_CAMERA_3
 120                 port@3 {
 121                         max9286_in3: endpoint {
 122                                 remote-endpoint = <&fakra_con3>;
 123                         };
 124
 125                 };
 126 #endif
 127         };
 128
 129         i2c-mux {
 130 #ifdef GMSL_CAMERA_0
 131                 i2c@0 {
 132                         status = "okay";
 133
 134                         camera@51 {
 135                                 compatible = GMSL_CAMERA_MODEL;
 136                                 reg = <0x51>, <0x61>;
 137
 138                                 port {
 139                                         fakra_con0: endpoint {
 140                                                 remote-endpoint = <&max9286_in0>;
 141                                         };
 142                                 };
 143                         };
 144                 };
 145 #endif
 146
 147 #ifdef GMSL_CAMERA_1
 148                 i2c@1 {
 149                         status = "okay";
 150
 151                         camera@52 {
 152                                 compatible = GMSL_CAMERA_MODEL;
 153                                 reg = <0x52>, <0x62>;
 154
 155                                 port {
 156                                         fakra_con1: endpoint {
 157                                                 remote-endpoint = <&max9286_in1>;
 158                                         };
 159                                 };
 160                         };
 161                 };
 162 #endif
 163
 164 #ifdef GMSL_CAMERA_2
 165                 i2c@2 {
 166                         status = "okay";
 167
 168                         camera@53 {
 169                                 compatible = GMSL_CAMERA_MODEL;
 170                                 reg = <0x53>, <0x63>;
 171
 172                                 port {
 173                                         fakra_con2: endpoint {
 174                                                 remote-endpoint = <&max9286_in2>;
 175                                         };
 176                                 };
 177                         };
 178                 };
 179 #endif
 180
 181 #ifdef GMSL_CAMERA_3
 182                 i2c@3 {
 183                         status = "okay";
 184
 185                         camera@54 {
 186                                 compatible = GMSL_CAMERA_MODEL;
 187                                 reg = <0x54>, <0x64>;
 188
 189                                 port {
 190                                         fakra_con3: endpoint {
 191                                                 remote-endpoint = <&max9286_in3>;
 192                                         };
 193                                 };
 194                         };
 195                 };
 196 #endif
 197         };
 198 };
 199 #endif /* ifdef GMSL_0 */
 200
 201 #ifdef GMSL_1
 202 &vin4 {
 203         status = "okay";
 204 };
 205
 206 &vin5 {
 207         status = "okay";
 208 };
 209
 210 &vin6 {
 211         status = "okay";
 212 };
 213
 214 &vin7 {
 215         status = "okay";
 216 };
 217
 218 &gmsl1 {
 219         status = "okay";
 220
 221 #if defined(GMSL_CAMERA_RDACM21)
 222         maxim,reverse-channel-microvolt = <100000>;
 223 #endif
 224
 225         ports {
 226 #ifdef GMSL_CAMERA_4
 227                 port@0 {
 228                         max9286_in4: endpoint {
 229                                 remote-endpoint = <&fakra_con4>;
 230                         };
 231                 };
 232 #endif
 233
 234 #ifdef GMSL_CAMERA_5
 235                 port@1 {
 236                         max9286_in5: endpoint {
 237                                 remote-endpoint = <&fakra_con5>;
 238                         };
 239
 240                 };
 241 #endif
 242
 243 #ifdef GMSL_CAMERA_6
 244                 port@2 {
 245                         max9286_in6: endpoint {
 246                                 remote-endpoint = <&fakra_con6>;
 247                         };
 248
 249                 };
 250 #endif
 251
 252 #ifdef GMSL_CAMERA_7
 253                 port@3 {
 254                         max9286_in7: endpoint {
 255                                 remote-endpoint = <&fakra_con7>;
 256                         };
 257
 258                 };
 259 #endif
 260         };
 261
 262         i2c-mux {
 263 #ifdef GMSL_CAMERA_4
 264                 i2c@0 {
 265                         status = "okay";
 266
 267                         camera@55 {
 268                                 compatible = GMSL_CAMERA_MODEL;
 269                                 reg = <0x55>, <0x65>;
 270
 271                                 port {
 272                                         fakra_con4: endpoint {
 273                                                 remote-endpoint = <&max9286_in4>;
 274                                         };
 275                                 };
 276                         };
 277                 };
 278 #endif
 279
 280 #ifdef GMSL_CAMERA_5
 281                 i2c@1 {
 282                         status = "okay";
 283
 284                         camera@56 {
 285                                 compatible = GMSL_CAMERA_MODEL;
 286                                 reg = <0x56>, <0x66>;
 287
 288                                 port {
 289                                         fakra_con5: endpoint {
 290                                                 remote-endpoint = <&max9286_in5>;
 291                                         };
 292                                 };
 293                         };
 294                 };
 295 #endif
 296
 297 #ifdef GMSL_CAMERA_6
 298                 i2c@2 {
 299                         status = "okay";
 300
 301                         camera@57 {
 302                                 compatible = GMSL_CAMERA_MODEL;
 303                                 reg = <0x57>, <0x67>;
 304
 305                                 port {
 306                                         fakra_con6: endpoint {
 307                                                 remote-endpoint = <&max9286_in6>;
 308                                         };
 309                                 };
 310                         };
 311                 };
 312 #endif
 313
 314 #ifdef GMSL_CAMERA_7
 315                 i2c@3 {
 316                         status = "okay";
 317
 318                         camera@58 {
 319                                 compatible = GMSL_CAMERA_MODEL;
 320                                 reg = <0x58>, <0x68>;
 321
 322                                 port {
 323                                         fakra_con7: endpoint {
 324                                                 remote-endpoint = <&max9286_in7>;
 325                                         };
 326                                 };
 327                         };
 328                 };
 329 #endif
 330         };
 331 };
 332 #endif /* ifdef GMSL_1 */