target/linux/ath79/dts/ar9344_teltonika_rut9xx.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2
   3 #include "ar9344.dtsi"
   4
   5 #include <dt-bindings/gpio/gpio.h>
   6 #include <dt-bindings/input/input.h>
   7
   8 / {
   9         compatible = "teltonika,rut9xx", "qca,ar9344";
  10
  11         aliases {
  12                 serial1 = &hs_uart;
  13                 label-mac-device = &eth1;
  14         };
  15
  16         i2c0: i2c {
  17                 compatible = "i2c-gpio";
  18                 scl-gpios = <&gpio 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
  19                 sda-gpios = <&gpio 17 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
  20                 #address-cells = <1>;
  21                 #size-cells = <0>;
  22
  23                 hwmon@4d {
  24                         compatible = "microchip,mcp3221";
  25                         reg = <0x4d>;
  26                 };
  27         };
  28
  29         keys {
  30                 compatible = "gpio-keys";
  31
  32                 reset {
  33                         label = "reset";
  34                         linux,code = <KEY_RESTART>;
  35                         gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
  36                         debounce-interval = <60>;
  37                 };
  38         };
  39 };
  40
  41 &ref {
  42         clock-frequency = <40000000>;
  43 };
  44
  45 &hs_uart {
  46         status = "okay";
  47
  48         pinctrl-names = "default";
  49         pinctrl-0 = <&pmx_uart2>;
  50
  51         rts-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
  52         rs485-rts-active-low;
  53         linux,rs485-enabled-at-boot-time;
  54 };
  55
  56 &spi {
  57         status = "okay";
  58
  59         pinctrl-names = "default";
  60         pinctrl-0 = <&pmx_spi>;
  61
  62         flash@0 {
  63                 compatible = "jedec,spi-nor";
  64                 reg = <0>;
  65                 spi-max-frequency = <25000000>;
  66
  67                 partitions {
  68                         compatible = "fixed-partitions";
  69                         #address-cells = <1>;
  70                         #size-cells = <1>;
  71
  72                         partition@0 {
  73                                 label = "u-boot";
  74                                 reg = <0x0 0x20000>;
  75                                 read-only;
  76                         };
  77
  78                         config: partition@20000 {
  79                                 label = "config";
  80                                 reg = <0x20000 0x10000>;
  81                                 read-only;
  82
  83                                 nvmem-layout {
  84                                         compatible = "fixed-layout";
  85                                         #address-cells = <1>;
  86                                         #size-cells = <1>;
  87
  88                                         macaddr_config_0: macaddr@0 {
  89                                                 reg = <0x0 0x6>;
  90                                         };
  91                                 };
  92                         };
  93
  94                         art: partition@30000 {
  95                                 label = "art";
  96                                 reg = <0x30000 0x10000>;
  97                                 read-only;
  98                         };
  99
 100                         partition@40000 {
 101                                 label = "firmware";
 102                                 reg = <0x40000 0xf30000>;
 103                                 compatible = "tplink,firmware";
 104                         };
 105
 106                         partition@f70000 {
 107                                 label = "event-log";
 108                                 reg = <0xf70000 0x90000>;
 109                                 read-only;
 110                         };
 111                 };
 112         };
 113
 114         microsd@1 {
 115                 status = "disabled";
 116
 117                 compatible = "mmc-spi-slot";
 118                 spi-max-frequency = <25000000>;
 119                 reg = <1>;
 120                 voltage-ranges = <3200 3400>;
 121                 broken-cd;
 122         };
 123 };
 124
 125 &usb {
 126         status = "okay";
 127 };
 128
 129 &hub_port {
 130         #address-cells = <1>;
 131         #size-cells = <0>;
 132
 133         port@1 {
 134                 compatible = "usb-a-connector";
 135                 reg = <1>;
 136         };
 137
 138         port@3 {
 139                 label = "RS-232 serial adapter";
 140                 reg = <3>;
 141         };
 142
 143         port@4 {
 144                 label = "internal wwan modem";
 145                 reg = <4>;
 146         };
 147 };
 148
 149 &usb_phy {
 150         status = "okay";
 151 };
 152
 153 &wmac {
 154         status = "okay";
 155
 156         mtd-cal-data = <&art 0x1000>;
 157         nvmem-cells = <&macaddr_config_0>;
 158         nvmem-cell-names = "mac-address";
 159         mac-address-increment = <2>;
 160 };
 161
 162 &pinmux {
 163         pmx_spi: spi {
 164                 // SPI_CS1 on GPIO 3
 165                 pinctrl-single,bits =   <0x0 0x07000000 0xff000000>;
 166         };
 167
 168         pmx_leds_switch: leds_switch {
 169                 // switch port LEDs on GPIO 1, GPIO 13, GPIO 14 and GPIO 22
 170                 pinctrl-single,bits =   <0x00 0x00002d00 0x0000ff00>,
 171                                         <0x0c 0x002c2b00 0x00ffff00>,
 172                                         <0x14 0x002a0000 0x00ff0000>;
 173         };
 174
 175         pmx_uart2: uart2 {
 176                 // UART1_DTR on GPIO 0, UART1_RD on GPIO 11, UART1_TD on GPIO 18
 177                 pinctrl-single,bits =   <0x00 0x00000000 0x000000ff>,
 178                                         <0x10 0x004f0000 0x00ff0000>,
 179                                         <0x3c 0x000b0000 0x00ff0000>;
 180         };
 181 };