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         sound {
  43                 compatible = "simple-audio-card";
  44                 simple-audio-card,name = "DA850/OMAP-L138 LCDK";
  45                 simple-audio-card,widgets =
  46                         "Line", "Line In",
  47                         "Line", "Line Out";
  48                 simple-audio-card,routing =
  49                         "LINE1L", "Line In",
  50                         "LINE1R", "Line In",
  51                         "Line Out", "LLOUT",
  52                         "Line Out", "RLOUT";
  53                 simple-audio-card,format = "dsp_b";
  54                 simple-audio-card,bitclock-master = <&link0_codec>;
  55                 simple-audio-card,frame-master = <&link0_codec>;
  56                 simple-audio-card,bitclock-inversion;
  57
  58                 simple-audio-card,cpu {
  59                         sound-dai = <&mcasp0>;
  60                         system-clock-frequency = <24576000>;
  61                 };
  62
  63                 link0_codec: simple-audio-card,codec {
  64                         sound-dai = <&tlv320aic3106>;
  65                         system-clock-frequency = <24576000>;
  66                 };
  67         };
  68
  69         gpio-keys {
  70                 compatible = "gpio-keys";
  71                 autorepeat;
  72
  73                 user1 {
  74                         label = "GPIO Key USER1";
  75                         linux,code = <BTN_0>;
  76                         gpios = <&gpio 36 GPIO_ACTIVE_LOW>;
  77                 };
  78
  79                 user2 {
  80                         label = "GPIO Key USER2";
  81                         linux,code = <BTN_1>;
  82                         gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
  83                 };
  84         };
  85
  86         vga-bridge {
  87                 compatible = "ti,ths8135";
  88                 #address-cells = <1>;
  89                 #size-cells = <0>;
  90
  91                 ports {
  92                         #address-cells = <1>;
  93                         #size-cells = <0>;
  94
  95                         port@0 {
  96                                 reg = <0>;
  97
  98                                 vga_bridge_in: endpoint {
  99                                         remote-endpoint = <&lcdc_out_vga>;
 100                                 };
 101                         };
 102
 103                         port@1 {
 104                                 reg = <1>;
 105
 106                                 vga_bridge_out: endpoint {
 107                                         remote-endpoint = <&vga_con_in>;
 108                                 };
 109                         };
 110                 };
 111         };
 112
 113         vga {
 114                 compatible = "vga-connector";
 115
 116                 ddc-i2c-bus = <&i2c0>;
 117
 118                 port {
 119                         vga_con_in: endpoint {
 120                                 remote-endpoint = <&vga_bridge_out>;
 121                         };
 122                 };
 123         };
 124 };
 125
 126 &pmx_core {
 127         status = "okay";
 128
 129         mcasp0_pins: pinmux_mcasp0_pins {
 130                 pinctrl-single,bits = <
 131                         /* AHCLKX AFSX ACLKX */
 132                         0x00 0x00101010 0x00f0f0f0
 133                         /* ARX13 ARX14 */
 134                         0x04 0x00000110 0x00000ff0
 135                 >;
 136         };
 137
 138         nand_pins: nand_pins {
 139                 pinctrl-single,bits = <
 140                         /* EMA_WAIT[0], EMA_OE, EMA_WE, EMA_CS[3] */
 141                         0x1c 0x10110010  0xf0ff00f0
 142                         /*
 143                          * EMA_D[0], EMA_D[1], EMA_D[2],
 144                          * EMA_D[3], EMA_D[4], EMA_D[5],
 145                          * EMA_D[6], EMA_D[7]
 146                          */
 147                         0x24 0x11111111  0xffffffff
 148                         /*
 149                          * EMA_D[8],  EMA_D[9],  EMA_D[10],
 150                          * EMA_D[11], EMA_D[12], EMA_D[13],
 151                          * EMA_D[14], EMA_D[15]
 152                          */
 153                         0x20 0x11111111  0xffffffff
 154                         /* EMA_A[1], EMA_A[2] */
 155                         0x30 0x01100000  0x0ff00000
 156                 >;
 157         };
 158 };
 159
 160 &serial2 {
 161         pinctrl-names = "default";
 162         pinctrl-0 = <&serial2_rxtx_pins>;
 163         status = "okay";
 164 };
 165
 166 &wdt {
 167         status = "okay";
 168 };
 169
 170 &rtc0 {
 171         status = "okay";
 172 };
 173
 174 &gpio {
 175         status = "okay";
 176 };
 177
 178 &sata {
 179         status = "okay";
 180 };
 181
 182 &mdio {
 183         pinctrl-names = "default";
 184         pinctrl-0 = <&mdio_pins>;
 185         bus_freq = <2200000>;
 186         status = "okay";
 187 };
 188
 189 &eth0 {
 190         pinctrl-names = "default";
 191         pinctrl-0 = <&mii_pins>;
 192         status = "okay";
 193 };
 194
 195 &mmc0 {
 196         max-frequency = <50000000>;
 197         bus-width = <4>;
 198         pinctrl-names = "default";
 199         pinctrl-0 = <&mmc0_pins>;
 200         cd-gpios = <&gpio 64 GPIO_ACTIVE_LOW>;
 201         status = "okay";
 202 };
 203
 204 &i2c0 {
 205         pinctrl-names = "default";
 206         pinctrl-0 = <&i2c0_pins>;
 207         clock-frequency = <100000>;
 208         status = "okay";
 209
 210         tlv320aic3106: tlv320aic3106@18 {
 211                 #sound-dai-cells = <0>;
 212                 compatible = "ti,tlv320aic3106";
 213                 reg = <0x18>;
 214                 status = "okay";
 215         };
 216 };
 217
 218 &mcasp0 {
 219         #sound-dai-cells = <0>;
 220         pinctrl-names = "default";
 221         pinctrl-0 = <&mcasp0_pins>;
 222         status = "okay";
 223
 224         op-mode = <0>;   /* DAVINCI_MCASP_IIS_MODE */
 225         tdm-slots = <2>;
 226         serial-dir = <   /* 0: INACTIVE, 1: TX, 2: RX */
 227                 0 0 0 0
 228                 0 0 0 0
 229                 0 0 0 0
 230                 0 1 2 0
 231         >;
 232         tx-num-evt = <32>;
 233         rx-num-evt = <32>;
 234 };
 235
 236 &usb_phy {
 237         status = "okay";
 238 };
 239
 240 &usb0 {
 241         status = "okay";
 242 };
 243
 244 &usb1 {
 245         status = "okay";
 246 };
 247
 248 &aemif {
 249         pinctrl-names = "default";
 250         pinctrl-0 = <&nand_pins>;
 251         status = "okay";
 252         cs3 {
 253                 #address-cells = <2>;
 254                 #size-cells = <1>;
 255                 clock-ranges;
 256                 ranges;
 257
 258                 ti,cs-chipselect = <3>;
 259
 260                 nand@2000000,0 {
 261                         compatible = "ti,davinci-nand";
 262                         #address-cells = <1>;
 263                         #size-cells = <1>;
 264                         reg = <0 0x02000000 0x02000000
 265                                1 0x00000000 0x00008000>;
 266
 267                         ti,davinci-chipselect = <1>;
 268                         ti,davinci-mask-ale = <0>;
 269                         ti,davinci-mask-cle = <0>;
 270                         ti,davinci-mask-chipsel = <0>;
 271
 272                         ti,davinci-nand-buswidth = <16>;
 273                         ti,davinci-ecc-mode = "hw";
 274                         ti,davinci-ecc-bits = <4>;
 275                         ti,davinci-nand-use-bbt;
 276
 277                         /*
 278                          * The OMAP-L132/L138 Bootloader doc SPRAB41E reads:
 279                          * "To boot from NAND Flash, the AIS should be written
 280                          * to NAND block 1 (NAND block 0 is not used by default)".
 281                          * The same doc mentions that for ROM "Silicon Revision 2.1",
 282                          * "Updated NAND boot mode to offer boot from block 0 or block 1".
 283                          * However the limitaion is left here by default for compatibility
 284                          * with older silicon and because it needs new boot pin settings
 285                          * not possible in stock LCDK.
 286                          */
 287                         partitions {
 288                                 compatible = "fixed-partitions";
 289                                 #address-cells = <1>;
 290                                 #size-cells = <1>;
 291
 292                                 partition@0 {
 293                                         label = "u-boot env";
 294                                         reg = <0 0x020000>;
 295                                 };
 296                                 partition@20000 {
 297                                         /* The LCDK defaults to booting from this partition */
 298                                         label = "u-boot";
 299                                         reg = <0x020000 0x080000>;
 300                                 };
 301                                 partition@a0000 {
 302                                         label = "free space";
 303                                         reg = <0x0a0000 0>;
 304                                 };
 305                         };
 306                 };
 307         };
 308 };
 309
 310 &prictrl {
 311         status = "okay";
 312 };
 313
 314 &memctrl {
 315         status = "okay";
 316 };
 317
 318 &lcdc {
 319         status = "okay";
 320         pinctrl-names = "default";
 321         pinctrl-0 = <&lcd_pins>;
 322
 323         port {
 324                 lcdc_out_vga: endpoint {
 325                         remote-endpoint = <&vga_bridge_in>;
 326                 };
 327         };
 328 };
 329
 330 &vpif {
 331         pinctrl-names = "default";
 332         pinctrl-0 = <&vpif_capture_pins>;
 333         status = "okay";
 334 };
 335
 336 &dsp {
 337         memory-region = <&dsp_memory_region>;
 338         status = "okay";
 339 };