arch/arm/boot/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         reg_vdd_cpux: vdd-cpux-regulator {
  52                 compatible = "regulator-gpio";
  53                 regulator-name = "vdd-cpux";
  54                 regulator-type = "voltage";
  55                 regulator-boot-on;
  56                 regulator-always-on;
  57                 regulator-min-microvolt = <1100000>;
  58                 regulator-max-microvolt = <1300000>;
  59                 regulator-ramp-delay = <50>; /* 4ms */
  60
  61                 gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */
  62                 enable-active-high;
  63                 gpios-states = <0x1>;
  64                 states = <1100000 0x0
  65                           1300000 0x1>;
  66         };
  67
  68         wifi_pwrseq: wifi_pwrseq {
  69                 compatible = "mmc-pwrseq-simple";
  70                 pinctrl-names = "default";
  71                 reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
  72         };
  73 };
  74
  75 &cpu0 {
  76         cpu-supply = <&reg_vdd_cpux>;
  77 };
  78
  79 &ehci0 {
  80         status = "okay";
  81 };
  82
  83 &mmc0 {
  84         vmmc-supply = <&reg_vcc3v3>;
  85         bus-width = <4>;
  86         /*
  87          * On the production batch of this board the card detect GPIO is
  88          * high active (card inserted), although on the early samples it's
  89          * low active.
  90          */
  91         cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
  92         status = "okay";
  93 };
  94
  95 &mmc1 {
  96         vmmc-supply = <&reg_vcc3v3>;
  97         vqmmc-supply = <&reg_vcc3v3>;
  98         mmc-pwrseq = <&wifi_pwrseq>;
  99         bus-width = <4>;
 100         non-removable;
 101         status = "okay";
 102
 103         brcmf: wifi@1 {
 104                 reg = <1>;
 105                 compatible = "brcm,bcm4329-fmac";
 106                 interrupt-parent = <&pio>;
 107                 interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
 108                 interrupt-names = "host-wake";
 109         };
 110 };
 111
 112 &ohci0 {
 113         status = "okay";
 114 };
 115
 116 &uart0 {
 117         pinctrl-names = "default";
 118         pinctrl-0 = <&uart0_pins_a>;
 119         status = "okay";
 120 };
 121
 122 &uart1 {
 123         pinctrl-names = "default";
 124         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 125         status = "okay";
 126 };
 127
 128 &usb_otg {
 129         dr_mode = "otg";
 130         status = "okay";
 131 };
 132
 133 &usbphy {
 134         usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
 135         /*
 136          * There're two micro-USB connectors, one is power-only and another is
 137          * OTG. The Vbus of these two connectors are connected together, so
 138          * the external USB device will be powered just by the power input
 139          * from the power-only USB port.
 140          */
 141         status = "okay";
 142 };