arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3 #include "bcm2837.dtsi"
   4 #include "bcm2835-rpi.dtsi"
   5 #include "bcm283x-rpi-lan7515.dtsi"
   6 #include "bcm283x-rpi-usb-host.dtsi"
   7
   8 / {
   9         compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
  10         model = "Raspberry Pi 3 Model B+";
  11
  12         chosen {
  13                 /* 8250 auxiliary UART instead of pl011 */
  14                 stdout-path = "serial1:115200n8";
  15         };
  16
  17         memory {
  18                 reg = <0 0x40000000>;
  19         };
  20
  21         leds {
  22                 act {
  23                         gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
  24                 };
  25
  26                 pwr {
  27                         label = "PWR";
  28                         gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
  29                 };
  30         };
  31
  32         wifi_pwrseq: wifi-pwrseq {
  33                 compatible = "mmc-pwrseq-simple";
  34                 reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>;
  35         };
  36 };
  37
  38 &firmware {
  39         expgpio: gpio {
  40                 compatible = "raspberrypi,firmware-gpio";
  41                 gpio-controller;
  42                 #gpio-cells = <2>;
  43                 gpio-line-names = "BT_ON",
  44                                   "WL_ON",
  45                                   "STATUS_LED",
  46                                   "LAN_RUN",
  47                                   "",
  48                                   "CAM_GPIO0",
  49                                   "CAM_GPIO1",
  50                                   "";
  51                 status = "okay";
  52         };
  53 };
  54
  55 &hdmi {
  56         hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
  57 };
  58
  59 &pwm {
  60         pinctrl-names = "default";
  61         pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
  62         status = "okay";
  63 };
  64
  65 /* SDHCI is used to control the SDIO for wireless */
  66 &sdhci {
  67         #address-cells = <1>;
  68         #size-cells = <0>;
  69         pinctrl-names = "default";
  70         pinctrl-0 = <&emmc_gpio34>;
  71         status = "okay";
  72         bus-width = <4>;
  73         non-removable;
  74         mmc-pwrseq = <&wifi_pwrseq>;
  75
  76         brcmf: wifi@1 {
  77                 reg = <1>;
  78                 compatible = "brcm,bcm4329-fmac";
  79         };
  80 };
  81
  82 /* SDHOST is used to drive the SD card */
  83 &sdhost {
  84         pinctrl-names = "default";
  85         pinctrl-0 = <&sdhost_gpio48>;
  86         status = "okay";
  87         bus-width = <4>;
  88 };
  89
  90 /* uart0 communicates with the BT module */
  91 &uart0 {
  92         pinctrl-names = "default";
  93         pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>;
  94         status = "okay";
  95
  96         bluetooth {
  97                 compatible = "brcm,bcm43438-bt";
  98                 max-speed = <2000000>;
  99                 shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
 100         };
 101 };
 102
 103 /* uart1 is mapped to the pin header */
 104 &uart1 {
 105         pinctrl-names = "default";
 106         pinctrl-0 = <&uart1_gpio14>;
 107         status = "okay";
 108 };