linux/arch/mips/boot/dts/ingenic/rs90.dts
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   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                #address-cells = <1>;
  56                #size-cells = <0>;
  57
  58                key@0 {
  59                        label = "D-pad up";
  60                        linux,code = <KEY_UP>;
  61                        gpios = <&gpc 10 GPIO_ACTIVE_LOW>;
  62                };
  63
  64                key@1 {
  65                        label = "D-pad down";
  66                        linux,code = <KEY_DOWN>;
  67                        gpios = <&gpc 11 GPIO_ACTIVE_LOW>;
  68                };
  69
  70                key@2 {
  71                        label = "D-pad left";
  72                        linux,code = <KEY_LEFT>;
  73                        gpios = <&gpb 31 GPIO_ACTIVE_LOW>;
  74                };
  75
  76                key@3 {
  77                        label = "D-pad right";
  78                        linux,code = <KEY_RIGHT>;
  79                        gpios = <&gpd 21 GPIO_ACTIVE_LOW>;
  80                };
  81
  82                key@4 {
  83                        label = "Button A";
  84                        linux,code = <KEY_LEFTCTRL>;
  85                        gpios = <&gpc 31 GPIO_ACTIVE_LOW>;
  86                };
  87
  88                key@5 {
  89                        label = "Button B";
  90                        linux,code = <KEY_LEFTALT>;
  91                        gpios = <&gpc 30 GPIO_ACTIVE_LOW>;
  92                };
  93
  94                key@6 {
  95                        label = "Right shoulder button";
  96                        linux,code = <KEY_BACKSPACE>;
  97                        gpios = <&gpc 12 GPIO_ACTIVE_LOW>;
  98                        debounce-interval = <10>;
  99                };
 100
 101                key@7 {
 102                        label = "Start button";
 103                        linux,code = <KEY_ENTER>;
 104                        gpios = <&gpd 17 GPIO_ACTIVE_LOW>;
 105                };
 106        };
 107
 108        keys@1 {
 109                compatible = "adc-keys";
 110                io-channels = <&adc INGENIC_ADC_AUX>;
 111                io-channel-names = "buttons";
 112                keyup-threshold-microvolt = <1400000>;
 113                poll-interval = <30>;
 114
 115                key@0 {
 116                        label = "Left shoulder button";
 117                        linux,code = <KEY_TAB>;
 118                        press-threshold-microvolt = <800000>;
 119                };
 120
 121                key@1 {
 122                        label = "Select button";
 123                        linux,code = <KEY_ESC>;
 124                        press-threshold-microvolt = <1100000>;
 125                };
 126        };
 127
 128        amp: analog-amplifier {
 129                compatible = "simple-audio-amplifier";
 130                enable-gpios = <&gpc 15 GPIO_ACTIVE_HIGH>;
 131
 132                VCC-supply = <&vcc>;
 133        };
 134
 135        sound {
 136                compatible = "simple-audio-card";
 137
 138                simple-audio-card,name = "rs90-audio";
 139                simple-audio-card,format = "i2s";
 140
 141                simple-audio-card,widgets =
 142                        "Speaker", "Speaker",
 143                        "Headphone", "Headphones";
 144                simple-audio-card,routing =
 145                        "INL", "LHPOUT",
 146                        "INR", "RHPOUT",
 147                        "Headphones", "LHPOUT",
 148                        "Headphones", "RHPOUT",
 149                        "Speaker", "OUTL",
 150                        "Speaker", "OUTR";
 151                simple-audio-card,pin-switches = "Speaker";
 152
 153                simple-audio-card,hp-det-gpio = <&gpd 16 GPIO_ACTIVE_LOW>;
 154                simple-audio-card,aux-devs = <&amp>;
 155
 156                simple-audio-card,bitclock-master = <&dai_codec>;
 157                simple-audio-card,frame-master = <&dai_codec>;
 158
 159                dai_cpu: simple-audio-card,cpu {
 160                        sound-dai = <&aic>;
 161                };
 162
 163                dai_codec: simple-audio-card,codec {
 164                        sound-dai = <&codec>;
 165                };
 166
 167        };
 168
 169        usb_phy: usb-phy {
 170                compatible = "usb-nop-xceiv";
 171                #phy-cells = <0>;
 172
 173                clocks = <&cgu JZ4725B_CLK_UDC_PHY>;
 174                clock-names = "main_clk";
 175                vcc-supply = <&vcc>;
 176        };
 177
 178        panel {
 179                compatible = "sharp,ls020b1dd01d";
 180
 181                backlight = <&backlight>;
 182                power-supply = <&vcc>;
 183
 184                port {
 185                        panel_input: endpoint {
 186                                remote-endpoint = <&panel_output>;
 187                        };
 188                };
 189        };
 190};
 191
 192&ext {
 193        clock-frequency = <12000000>;
 194};
 195
 196&rtc_dev {
 197        system-power-controller;
 198};
 199
 200&udc {
 201        phys = <&usb_phy>;
 202};
 203
 204&pinctrl {
 205        pins_mmc1: mmc1 {
 206                function = "mmc1";
 207                groups = "mmc1-1bit";
 208        };
 209
 210        pins_nemc: nemc {
 211                function = "nand";
 212                groups = "nand-cs1", "nand-cle-ale", "nand-fre-fwe";
 213        };
 214
 215        pins_pwm3: pwm3 {
 216                function = "pwm3";
 217                groups = "pwm3";
 218                bias-disable;
 219        };
 220
 221        pins_lcd: lcd {
 222                function = "lcd";
 223                groups = "lcd-8bit", "lcd-16bit", "lcd-special";
 224        };
 225};
 226
 227&mmc0 {
 228        status = "disabled";
 229};
 230
 231&mmc1 {
 232        bus-width = <1>;
 233        max-frequency = <48000000>;
 234
 235        pinctrl-names = "default";
 236        pinctrl-0 = <&pins_mmc1>;
 237
 238        cd-gpios = <&gpc 20 GPIO_ACTIVE_LOW>;
 239};
 240
 241&uart {
 242        /*
 243         * The pins for RX/TX are used for the right shoulder button and
 244         * backlight PWM.
 245         */
 246        status = "disabled";
 247};
 248
 249&nemc {
 250        nandc: nand-controller@1 {
 251                compatible = "ingenic,jz4725b-nand";
 252                reg = <1 0 0x4000000>;
 253
 254                #address-cells = <1>;
 255                #size-cells = <0>;
 256
 257                ecc-engine = <&bch>;
 258
 259                ingenic,nemc-tAS = <10>;
 260                ingenic,nemc-tAH = <5>;
 261                ingenic,nemc-tBP = <10>;
 262                ingenic,nemc-tAW = <15>;
 263                ingenic,nemc-tSTRV = <100>;
 264
 265                pinctrl-names = "default";
 266                pinctrl-0 = <&pins_nemc>;
 267
 268                rb-gpios = <&gpc 27 GPIO_ACTIVE_HIGH>;
 269
 270                nand@1 {
 271                        reg = <1>;
 272
 273                        nand-ecc-step-size = <512>;
 274                        nand-ecc-strength = <8>;
 275                        nand-ecc-mode = "hw";
 276                        nand-is-boot-medium;
 277                        nand-on-flash-bbt;
 278
 279                        partitions {
 280                                compatible = "fixed-partitions";
 281                                #address-cells = <1>;
 282                                #size-cells = <1>;
 283
 284                                partition@0 {
 285                                        label = "bootloader";
 286                                        reg = <0x0 0x20000>;
 287                                };
 288
 289                                partition@20000 {
 290                                        label = "system";
 291                                        reg = <0x20000 0x0>;
 292                                };
 293                        };
 294                };
 295        };
 296};
 297
 298&cgu {
 299        /* Use 32kHz oscillator as the parent of the RTC clock */
 300        assigned-clocks = <&cgu JZ4725B_CLK_RTC>;
 301        assigned-clock-parents = <&cgu JZ4725B_CLK_OSC32K>;
 302};
 303
 304&tcu {
 305        /*
 306         * 750 kHz for the system timer and clocksource, and use RTC as the
 307         * parent for the watchdog clock.
 308         */
 309        assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>, <&tcu TCU_CLK_WDT>;
 310        assigned-clock-parents = <0>, <0>, <&cgu JZ4725B_CLK_RTC>;
 311        assigned-clock-rates = <750000>, <750000>;
 312};
 313
 314&lcd {
 315        memory-region = <&vmem>;
 316
 317        pinctrl-names = "default";
 318        pinctrl-0 = <&pins_lcd>;
 319};
 320
 321&lcd_ports {
 322        port@0 {
 323                reg = <0>;
 324
 325                panel_output: endpoint {
 326                        remote-endpoint = <&panel_input>;
 327                };
 328        };
 329};
 330