arch/arm/boot/dts/da850-lcdk.dts

   1 /*
   2  * Copyright (c) 2016 BayLibre, Inc.
   3  *
   4  * Licensed under GPLv2.
   5  */
   6 /dts-v1/;
   7 #include "da850.dtsi"
   8 #include <dt-bindings/gpio/gpio.h>
   9 #include <dt-bindings/input/input.h>
  10
  11 / {
  12         model = "DA850/AM1808/OMAP-L138 LCDK";
  13         compatible = "ti,da850-lcdk", "ti,da850";
  14
  15         aliases {
  16                 serial2 = &serial2;
  17                 ethernet0 = &eth0;
  18         };
  19
  20         chosen {
  21                 stdout-path = "serial2:115200n8";
  22         };
  23
  24         memory@c0000000 {
  25                 /* 128 MB DDR2 SDRAM @ 0xc0000000 */
  26                 reg = <0xc0000000 0x08000000>;
  27         };
  28
  29         reserved-memory {
  30                 #address-cells = <1>;
  31                 #size-cells = <1>;
  32                 ranges;
  33
  34                 dsp_memory_region: dsp-memory@c3000000 {
  35                         compatible = "shared-dma-pool";
  36                         reg = <0xc3000000 0x1000000>;
  37                         reusable;
  38                         status = "okay";
  39                 };
  40         };
  41
  42         vcc_5vd: fixedregulator-vcc_5vd {
  43                 compatible = "regulator-fixed";
  44                 regulator-name = "vcc_5vd";
  45                 regulator-min-microvolt = <5000000>;
  46                 regulator-max-microvolt = <5000000>;
  47                 regulator-boot-on;
  48         };
  49
  50         vcc_3v3d: fixedregulator-vcc_3v3d {
  51                 /* TPS650250 - VDCDC1 */
  52                 compatible = "regulator-fixed";
  53                 regulator-name = "vcc_3v3d";
  54                 regulator-min-microvolt = <3300000>;
  55                 regulator-max-microvolt = <3300000>;
  56                 vin-supply = <&vcc_5vd>;
  57                 regulator-always-on;
  58                 regulator-boot-on;
  59         };
  60
  61         vcc_1v8d: fixedregulator-vcc_1v8d {
  62                 /* TPS650250 - VDCDC2 */
  63                 compatible = "regulator-fixed";
  64                 regulator-name = "vcc_1v8d";
  65                 regulator-min-microvolt = <1800000>;
  66                 regulator-max-microvolt = <1800000>;
  67                 vin-supply = <&vcc_5vd>;
  68                 regulator-always-on;
  69                 regulator-boot-on;
  70         };
  71
  72         sound {
  73                 compatible = "simple-audio-card";
  74                 simple-audio-card,name = "DA850-OMAPL138 LCDK";
  75                 simple-audio-card,widgets =
  76                         "Line", "Line In",
  77                         "Line", "Line Out",
  78                         "Microphone", "Mic Jack";
  79                 simple-audio-card,routing =
  80                         "LINE1L", "Line In",
  81                         "LINE1R", "Line In",
  82                         "Line Out", "LLOUT",
  83                         "Line Out", "RLOUT",
  84                         "MIC3L", "Mic Jack",
  85                         "MIC3R", "Mic Jack",
  86                         "Mic Jack", "Mic Bias";
  87                 simple-audio-card,format = "dsp_b";
  88                 simple-audio-card,bitclock-master = <&link0_codec>;
  89                 simple-audio-card,frame-master = <&link0_codec>;
  90                 simple-audio-card,bitclock-inversion;
  91
  92                 simple-audio-card,cpu {
  93                         sound-dai = <&mcasp0>;
  94                         system-clock-frequency = <24576000>;
  95                 };
  96
  97                 link0_codec: simple-audio-card,codec {
  98                         sound-dai = <&tlv320aic3106>;
  99                         system-clock-frequency = <24576000>;
 100                 };
 101         };
 102
 103         gpio-keys {
 104                 compatible = "gpio-keys";
 105                 autorepeat;
 106
 107                 user1 {
 108                         label = "GPIO Key USER1";
 109                         linux,code = <BTN_0>;
 110                         gpios = <&gpio 36 GPIO_ACTIVE_LOW>;
 111                 };
 112
 113                 user2 {
 114                         label = "GPIO Key USER2";
 115                         linux,code = <BTN_1>;
 116                         gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
 117                 };
 118         };
 119
 120         vga-bridge {
 121                 compatible = "ti,ths8135";
 122                 #address-cells = <1>;
 123                 #size-cells = <0>;
 124
 125                 ports {
 126                         #address-cells = <1>;
 127                         #size-cells = <0>;
 128
 129                         port@0 {
 130                                 reg = <0>;
 131
 132                                 vga_bridge_in: endpoint {
 133                                         remote-endpoint = <&lcdc_out_vga>;
 134                                 };
 135                         };
 136
 137                         port@1 {
 138                                 reg = <1>;
 139
 140                                 vga_bridge_out: endpoint {
 141                                         remote-endpoint = <&vga_con_in>;
 142                                 };
 143                         };
 144                 };
 145         };
 146
 147         vga {
 148                 compatible = "vga-connector";
 149
 150                 ddc-i2c-bus = <&i2c0>;
 151
 152                 port {
 153                         vga_con_in: endpoint {
 154                                 remote-endpoint = <&vga_bridge_out>;
 155                         };
 156                 };
 157         };
 158 };
 159
 160 &ref_clk {
 161         clock-frequency = <24000000>;
 162 };
 163
 164 &pmx_core {
 165         status = "okay";
 166
 167         mcasp0_pins: pinmux_mcasp0_pins {
 168                 pinctrl-single,bits = <
 169                         /* AHCLKX AFSX ACLKX */
 170                         0x00 0x00101010 0x00f0f0f0
 171                         /* ARX13 ARX14 */
 172                         0x04 0x00000110 0x00000ff0
 173                 >;
 174         };
 175
 176         nand_pins: nand_pins {
 177                 pinctrl-single,bits = <
 178                         /* EMA_WAIT[0], EMA_OE, EMA_WE, EMA_CS[3] */
 179                         0x1c 0x10110010  0xf0ff00f0
 180                         /*
 181                          * EMA_D[0], EMA_D[1], EMA_D[2],
 182                          * EMA_D[3], EMA_D[4], EMA_D[5],
 183                          * EMA_D[6], EMA_D[7]
 184                          */
 185                         0x24 0x11111111  0xffffffff
 186                         /*
 187                          * EMA_D[8],  EMA_D[9],  EMA_D[10],
 188                          * EMA_D[11], EMA_D[12], EMA_D[13],
 189                          * EMA_D[14], EMA_D[15]
 190                          */
 191                         0x20 0x11111111  0xffffffff
 192                         /* EMA_A[1], EMA_A[2] */
 193                         0x30 0x01100000  0x0ff00000
 194                 >;
 195         };
 196 };
 197
 198 &serial2 {
 199         pinctrl-names = "default";
 200         pinctrl-0 = <&serial2_rxtx_pins>;
 201         status = "okay";
 202 };
 203
 204 &wdt {
 205         status = "okay";
 206 };
 207
 208 &rtc0 {
 209         status = "okay";
 210 };
 211
 212 &gpio {
 213         status = "okay";
 214 };
 215
 216 &sata_refclk {
 217         status = "okay";
 218         clock-frequency = <100000000>;
 219 };
 220
 221 &sata {
 222         status = "okay";
 223 };
 224
 225 &mdio {
 226         pinctrl-names = "default";
 227         pinctrl-0 = <&mdio_pins>;
 228         bus_freq = <2200000>;
 229         status = "okay";
 230 };
 231
 232 &eth0 {
 233         pinctrl-names = "default";
 234         pinctrl-0 = <&mii_pins>;
 235         status = "okay";
 236 };
 237
 238 &mmc0 {
 239         max-frequency = <50000000>;
 240         bus-width = <4>;
 241         pinctrl-names = "default";
 242         pinctrl-0 = <&mmc0_pins>;
 243         cd-gpios = <&gpio 64 GPIO_ACTIVE_LOW>;
 244         status = "okay";
 245 };
 246
 247 &i2c0 {
 248         pinctrl-names = "default";
 249         pinctrl-0 = <&i2c0_pins>;
 250         clock-frequency = <100000>;
 251         status = "okay";
 252
 253         tlv320aic3106: tlv320aic3106@18 {
 254                 #sound-dai-cells = <0>;
 255                 compatible = "ti,tlv320aic3106";
 256                 reg = <0x18>;
 257                 adc-settle-ms = <40>;
 258                 ai3x-micbias-vg = <1>;          /* 2.0V */
 259                 status = "okay";
 260
 261                 /* Regulators */
 262                 IOVDD-supply = <&vcc_3v3d>;
 263                 AVDD-supply = <&vcc_3v3d>;
 264                 DRVDD-supply = <&vcc_3v3d>;
 265                 DVDD-supply = <&vcc_1v8d>;
 266         };
 267 };
 268
 269 &mcasp0 {
 270         #sound-dai-cells = <0>;
 271         pinctrl-names = "default";
 272         pinctrl-0 = <&mcasp0_pins>;
 273         status = "okay";
 274
 275         op-mode = <0>;   /* DAVINCI_MCASP_IIS_MODE */
 276         tdm-slots = <2>;
 277         serial-dir = <   /* 0: INACTIVE, 1: TX, 2: RX */
 278                 0 0 0 0
 279                 0 0 0 0
 280                 0 0 0 0
 281                 0 1 2 0
 282         >;
 283         tx-num-evt = <32>;
 284         rx-num-evt = <32>;
 285 };
 286
 287 &usb_phy {
 288         status = "okay";
 289 };
 290
 291 &usb0 {
 292         status = "okay";
 293 };
 294
 295 &usb1 {
 296         status = "okay";
 297 };
 298
 299 &aemif {
 300         pinctrl-names = "default";
 301         pinctrl-0 = <&nand_pins>;
 302         status = "okay";
 303         cs3 {
 304                 #address-cells = <2>;
 305                 #size-cells = <1>;
 306                 clock-ranges;
 307                 ranges;
 308
 309                 ti,cs-chipselect = <3>;
 310
 311                 nand@2000000,0 {
 312                         compatible = "ti,davinci-nand";
 313                         #address-cells = <1>;
 314                         #size-cells = <1>;
 315                         reg = <0 0x02000000 0x02000000
 316                                1 0x00000000 0x00008000>;
 317
 318                         ti,davinci-chipselect = <1>;
 319                         ti,davinci-mask-ale = <0>;
 320                         ti,davinci-mask-cle = <0>;
 321                         ti,davinci-mask-chipsel = <0>;
 322
 323                         ti,davinci-nand-buswidth = <16>;
 324                         ti,davinci-ecc-mode = "hw";
 325                         ti,davinci-ecc-bits = <4>;
 326                         ti,davinci-nand-use-bbt;
 327
 328                         /*
 329                          * The OMAP-L132/L138 Bootloader doc SPRAB41E reads:
 330                          * "To boot from NAND Flash, the AIS should be written
 331                          * to NAND block 1 (NAND block 0 is not used by default)".
 332                          * The same doc mentions that for ROM "Silicon Revision 2.1",
 333                          * "Updated NAND boot mode to offer boot from block 0 or block 1".
 334                          * However the limitaion is left here by default for compatibility
 335                          * with older silicon and because it needs new boot pin settings
 336                          * not possible in stock LCDK.
 337                          */
 338                         partitions {
 339                                 compatible = "fixed-partitions";
 340                                 #address-cells = <1>;
 341                                 #size-cells = <1>;
 342
 343                                 partition@0 {
 344                                         label = "u-boot env";
 345                                         reg = <0 0x020000>;
 346                                 };
 347                                 partition@20000 {
 348                                         /* The LCDK defaults to booting from this partition */
 349                                         label = "u-boot";
 350                                         reg = <0x020000 0x080000>;
 351                                 };
 352                                 partition@a0000 {
 353                                         label = "free space";
 354                                         reg = <0x0a0000 0>;
 355                                 };
 356                         };
 357                 };
 358         };
 359 };
 360
 361 &prictrl {
 362         status = "okay";
 363 };
 364
 365 &memctrl {
 366         status = "okay";
 367 };
 368
 369 &lcdc {
 370         status = "okay";
 371         pinctrl-names = "default";
 372         pinctrl-0 = <&lcd_pins>;
 373
 374         port {
 375                 lcdc_out_vga: endpoint {
 376                         remote-endpoint = <&vga_bridge_in>;
 377                 };
 378         };
 379 };
 380
 381 &vpif {
 382         pinctrl-names = "default";
 383         pinctrl-0 = <&vpif_capture_pins>;
 384         status = "okay";
 385 };
 386
 387 &dsp {
 388         memory-region = <&dsp_memory_region>;
 389         status = "okay";
 390 };