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