arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
   4  *
   5  * Based on sun8i-h3-bananapi-m2-plus.dts, which is:
   6  *   Copyright (C) 2016 Chen-Yu Tsai <wens@csie.org>
   7  */
   8
   9 /dts-v1/;
  10 #include "sun8i-h3.dtsi"
  11 #include "sunxi-common-regulators.dtsi"
  12
  13 #include <dt-bindings/gpio/gpio.h>
  14 #include <dt-bindings/input/input.h>
  15
  16 / {
  17         model = "Banana Pi BPI-M2-Zero";
  18         compatible = "sinovoip,bpi-m2-zero", "allwinner,sun8i-h2-plus";
  19
  20         aliases {
  21                 serial0 = &uart0;
  22                 serial1 = &uart1;
  23         };
  24
  25         chosen {
  26                 stdout-path = "serial0:115200n8";
  27         };
  28
  29         leds {
  30                 compatible = "gpio-leds";
  31                 pinctrl-names = "default";
  32
  33                 pwr_led {
  34                         label = "bananapi-m2-zero:red:pwr";
  35                         gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
  36                         default-state = "on";
  37                 };
  38         };
  39
  40         gpio_keys {
  41                 compatible = "gpio-keys";
  42                 pinctrl-names = "default";
  43
  44                 sw4 {
  45                         label = "power";
  46                         linux,code = <BTN_0>;
  47                         gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
  48                 };
  49         };
  50
  51         wifi_pwrseq: wifi_pwrseq {
  52                 compatible = "mmc-pwrseq-simple";
  53                 pinctrl-names = "default";
  54                 reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
  55         };
  56 };
  57
  58 &ehci0 {
  59         status = "okay";
  60 };
  61
  62 &mmc0 {
  63         vmmc-supply = <&reg_vcc3v3>;
  64         bus-width = <4>;
  65         /*
  66          * On the production batch of this board the card detect GPIO is
  67          * high active (card inserted), although on the early samples it's
  68          * low active.
  69          */
  70         cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
  71         status = "okay";
  72 };
  73
  74 &mmc1 {
  75         vmmc-supply = <&reg_vcc3v3>;
  76         vqmmc-supply = <&reg_vcc3v3>;
  77         mmc-pwrseq = <&wifi_pwrseq>;
  78         bus-width = <4>;
  79         non-removable;
  80         status = "okay";
  81
  82         brcmf: wifi@1 {
  83                 reg = <1>;
  84                 compatible = "brcm,bcm4329-fmac";
  85                 interrupt-parent = <&pio>;
  86                 interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
  87                 interrupt-names = "host-wake";
  88         };
  89 };
  90
  91 &ohci0 {
  92         status = "okay";
  93 };
  94
  95 &uart0 {
  96         pinctrl-names = "default";
  97         pinctrl-0 = <&uart0_pins_a>;
  98         status = "okay";
  99 };
 100
 101 &uart1 {
 102         pinctrl-names = "default";
 103         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 104         status = "okay";
 105 };
 106
 107 &usb_otg {
 108         dr_mode = "otg";
 109         status = "okay";
 110 };
 111
 112 &usbphy {
 113         usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
 114         /*
 115          * There're two micro-USB connectors, one is power-only and another is
 116          * OTG. The Vbus of these two connectors are connected together, so
 117          * the external USB device will be powered just by the power input
 118          * from the power-only USB port.
 119          */
 120         status = "okay";
 121 };