src/mips/ingenic/rs90.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3
   4 #include "jz4725b.dtsi"
   5
   6 #include <dt-bindings/gpio/gpio.h>
   7 #include <dt-bindings/iio/adc/ingenic,adc.h>
   8 #include <dt-bindings/input/linux-event-codes.h>
   9
  10 / {
  11         compatible = "ylm,rs90", "ingenic,jz4725b";
  12         model = "RS-90";
  13
  14         memory {
  15                 device_type = "memory";
  16                 reg = <0x0 0x2000000>;
  17         };
  18
  19         reserved-memory {
  20                 #address-cells = <1>;
  21                 #size-cells = <1>;
  22                 ranges;
  23
  24                 vmem: video-memory@1f00000 {
  25                         compatible = "shared-dma-pool";
  26                         reg = <0x1f00000 0x100000>;
  27                         reusable;
  28                 };
  29         };
  30
  31         vcc: regulator {
  32                 compatible = "regulator-fixed";
  33
  34                 regulator-name = "vcc";
  35                 regulaor-min-microvolt = <3300000>;
  36                 regulaor-max-microvolt = <3300000>;
  37                 regulator-always-on;
  38         };
  39
  40         backlight: backlight {
  41                 compatible = "pwm-backlight";
  42                 pwms = <&pwm 3 40000 0>;
  43
  44                 brightness-levels = <0 16 32 48 64 80 112 144 192 255>;
  45                 default-brightness-level = <8>;
  46
  47                 pinctrl-names = "default";
  48                 pinctrl-0 = <&pins_pwm3>;
  49
  50                 power-supply = <&vcc>;
  51         };
  52
  53         keys@0 {
  54                 compatible = "gpio-keys";
  55
  56                 key-0 {
  57                         label = "D-pad up";
  58                         linux,code = <KEY_UP>;
  59                         gpios = <&gpc 10 GPIO_ACTIVE_LOW>;
  60                 };
  61
  62                 key-1 {
  63                         label = "D-pad down";
  64                         linux,code = <KEY_DOWN>;
  65                         gpios = <&gpc 11 GPIO_ACTIVE_LOW>;
  66                 };
  67
  68                 key-2 {
  69                         label = "D-pad left";
  70                         linux,code = <KEY_LEFT>;
  71                         gpios = <&gpb 31 GPIO_ACTIVE_LOW>;
  72                 };
  73
  74                 key-3 {
  75                         label = "D-pad right";
  76                         linux,code = <KEY_RIGHT>;
  77                         gpios = <&gpd 21 GPIO_ACTIVE_LOW>;
  78                 };
  79
  80                 key-4 {
  81                         label = "Button A";
  82                         linux,code = <KEY_LEFTCTRL>;
  83                         gpios = <&gpc 31 GPIO_ACTIVE_LOW>;
  84                 };
  85
  86                 key-5 {
  87                         label = "Button B";
  88                         linux,code = <KEY_LEFTALT>;
  89                         gpios = <&gpc 30 GPIO_ACTIVE_LOW>;
  90                 };
  91
  92                 key-6 {
  93                         label = "Right shoulder button";
  94                         linux,code = <KEY_BACKSPACE>;
  95                         gpios = <&gpc 12 GPIO_ACTIVE_LOW>;
  96                         debounce-interval = <10>;
  97                 };
  98
  99                 key-7 {
 100                         label = "Start button";
 101                         linux,code = <KEY_ENTER>;
 102                         gpios = <&gpd 17 GPIO_ACTIVE_LOW>;
 103                 };
 104         };
 105
 106         keys@1 {
 107                 compatible = "adc-keys";
 108                 io-channels = <&adc INGENIC_ADC_AUX>;
 109                 io-channel-names = "buttons";
 110                 keyup-threshold-microvolt = <1400000>;
 111                 poll-interval = <30>;
 112
 113                 key@0 {
 114                         label = "Left shoulder button";
 115                         linux,code = <KEY_TAB>;
 116                         press-threshold-microvolt = <800000>;
 117                 };
 118
 119                 key@1 {
 120                         label = "Select button";
 121                         linux,code = <KEY_ESC>;
 122                         press-threshold-microvolt = <1100000>;
 123                 };
 124         };
 125
 126         amp: analog-amplifier {
 127                 compatible = "simple-audio-amplifier";
 128                 enable-gpios = <&gpc 15 GPIO_ACTIVE_HIGH>;
 129
 130                 VCC-supply = <&vcc>;
 131         };
 132
 133         sound {
 134                 compatible = "simple-audio-card";
 135
 136                 simple-audio-card,name = "rs90-audio";
 137                 simple-audio-card,format = "i2s";
 138
 139                 simple-audio-card,widgets =
 140                         "Speaker", "Speaker",
 141                         "Headphone", "Headphones";
 142                 simple-audio-card,routing =
 143                         "INL", "LHPOUT",
 144                         "INR", "RHPOUT",
 145                         "Headphones", "LHPOUT",
 146                         "Headphones", "RHPOUT",
 147                         "Speaker", "OUTL",
 148                         "Speaker", "OUTR";
 149                 simple-audio-card,pin-switches = "Speaker";
 150
 151                 simple-audio-card,hp-det-gpio = <&gpd 16 GPIO_ACTIVE_LOW>;
 152                 simple-audio-card,aux-devs = <&amp>;
 153
 154                 simple-audio-card,bitclock-master = <&dai_codec>;
 155                 simple-audio-card,frame-master = <&dai_codec>;
 156
 157                 dai_cpu: simple-audio-card,cpu {
 158                         sound-dai = <&aic>;
 159                 };
 160
 161                 dai_codec: simple-audio-card,codec {
 162                         sound-dai = <&codec>;
 163                 };
 164
 165         };
 166
 167         usb_phy: usb-phy {
 168                 compatible = "usb-nop-xceiv";
 169                 #phy-cells = <0>;
 170
 171                 clocks = <&cgu JZ4725B_CLK_UDC_PHY>;
 172                 clock-names = "main_clk";
 173                 vcc-supply = <&vcc>;
 174         };
 175
 176         panel {
 177                 compatible = "sharp,ls020b1dd01d";
 178
 179                 backlight = <&backlight>;
 180                 power-supply = <&vcc>;
 181
 182                 port {
 183                         panel_input: endpoint {
 184                                 remote-endpoint = <&panel_output>;
 185                         };
 186                 };
 187         };
 188 };
 189
 190 &ext {
 191         clock-frequency = <12000000>;
 192 };
 193
 194 &rtc_dev {
 195         system-power-controller;
 196 };
 197
 198 &udc {
 199         phys = <&usb_phy>;
 200 };
 201
 202 &pinctrl {
 203         pins_mmc1: mmc1 {
 204                 function = "mmc1";
 205                 groups = "mmc1-1bit";
 206         };
 207
 208         pins_nemc: nemc {
 209                 function = "nand";
 210                 groups = "nand-cs1", "nand-cle-ale", "nand-fre-fwe";
 211         };
 212
 213         pins_pwm3: pwm3 {
 214                 function = "pwm3";
 215                 groups = "pwm3";
 216                 bias-disable;
 217         };
 218
 219         pins_lcd: lcd {
 220                 function = "lcd";
 221                 groups = "lcd-8bit", "lcd-16bit", "lcd-special";
 222         };
 223 };
 224
 225 &mmc0 {
 226         status = "disabled";
 227 };
 228
 229 &mmc1 {
 230         bus-width = <1>;
 231         max-frequency = <48000000>;
 232
 233         pinctrl-names = "default";
 234         pinctrl-0 = <&pins_mmc1>;
 235
 236         cd-gpios = <&gpc 20 GPIO_ACTIVE_LOW>;
 237 };
 238
 239 &uart {
 240         /*
 241          * The pins for RX/TX are used for the right shoulder button and
 242          * backlight PWM.
 243          */
 244         status = "disabled";
 245 };
 246
 247 &nemc {
 248         nandc: nand-controller@1 {
 249                 compatible = "ingenic,jz4725b-nand";
 250                 reg = <1 0 0x4000000>;
 251
 252                 #address-cells = <1>;
 253                 #size-cells = <0>;
 254
 255                 ecc-engine = <&bch>;
 256
 257                 ingenic,nemc-tAS = <10>;
 258                 ingenic,nemc-tAH = <5>;
 259                 ingenic,nemc-tBP = <10>;
 260                 ingenic,nemc-tAW = <15>;
 261                 ingenic,nemc-tSTRV = <100>;
 262
 263                 pinctrl-names = "default";
 264                 pinctrl-0 = <&pins_nemc>;
 265
 266                 rb-gpios = <&gpc 27 GPIO_ACTIVE_HIGH>;
 267
 268                 nand@1 {
 269                         reg = <1>;
 270
 271                         nand-ecc-step-size = <512>;
 272                         nand-ecc-strength = <8>;
 273                         nand-ecc-mode = "hw";
 274                         nand-is-boot-medium;
 275                         nand-on-flash-bbt;
 276
 277                         partitions {
 278                                 compatible = "fixed-partitions";
 279                                 #address-cells = <1>;
 280                                 #size-cells = <1>;
 281
 282                                 partition@0 {
 283                                         label = "bootloader";
 284                                         reg = <0x0 0x20000>;
 285                                 };
 286
 287                                 partition@20000 {
 288                                         label = "system";
 289                                         reg = <0x20000 0x0>;
 290                                 };
 291                         };
 292                 };
 293         };
 294 };
 295
 296 &cgu {
 297         /* Use 32kHz oscillator as the parent of the RTC clock */
 298         assigned-clocks = <&cgu JZ4725B_CLK_RTC>;
 299         assigned-clock-parents = <&cgu JZ4725B_CLK_OSC32K>;
 300 };
 301
 302 &tcu {
 303         /*
 304          * 750 kHz for the system timer and clocksource, and use RTC as the
 305          * parent for the watchdog clock.
 306          */
 307         assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>, <&tcu TCU_CLK_WDT>;
 308         assigned-clock-parents = <0>, <0>, <&cgu JZ4725B_CLK_RTC>;
 309         assigned-clock-rates = <750000>, <750000>;
 310 };
 311
 312 &lcd {
 313         memory-region = <&vmem>;
 314
 315         pinctrl-names = "default";
 316         pinctrl-0 = <&pins_lcd>;
 317 };
 318
 319 &lcd_ports {
 320         port@0 {
 321                 reg = <0>;
 322
 323                 panel_output: endpoint {
 324                         remote-endpoint = <&panel_input>;
 325                 };
 326         };
 327 };