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
  32                 pwr_led {
  33                         label = "bananapi-m2-zero:red:pwr";
  34                         gpios = <&r_pio 0 10 GPIO_ACTIVE_LOW>; /* PL10 */
  35                         default-state = "on";
  36                 };
  37         };
  38
  39         gpio_keys {
  40                 compatible = "gpio-keys";
  41
  42                 sw4 {
  43                         label = "power";
  44                         linux,code = <BTN_0>;
  45                         gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
  46                 };
  47         };
  48
  49         reg_vdd_cpux: vdd-cpux-regulator {
  50                 compatible = "regulator-gpio";
  51                 regulator-name = "vdd-cpux";
  52                 regulator-type = "voltage";
  53                 regulator-boot-on;
  54                 regulator-always-on;
  55                 regulator-min-microvolt = <1100000>;
  56                 regulator-max-microvolt = <1300000>;
  57                 regulator-ramp-delay = <50>; /* 4ms */
  58
  59                 gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */
  60                 enable-active-high;
  61                 gpios-states = <0x1>;
  62                 states = <1100000 0>, <1300000 1>;
  63         };
  64
  65         wifi_pwrseq: wifi_pwrseq {
  66                 compatible = "mmc-pwrseq-simple";
  67                 reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
  68                 clocks = <&rtc 1>;
  69                 clock-names = "ext_clock";
  70         };
  71 };
  72
  73 &cpu0 {
  74         cpu-supply = <&reg_vdd_cpux>;
  75 };
  76
  77 &ehci0 {
  78         status = "okay";
  79 };
  80
  81 &mmc0 {
  82         vmmc-supply = <&reg_vcc3v3>;
  83         bus-width = <4>;
  84         /*
  85          * On the production batch of this board the card detect GPIO is
  86          * high active (card inserted), although on the early samples it's
  87          * low active.
  88          */
  89         cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
  90         status = "okay";
  91 };
  92
  93 &mmc1 {
  94         vmmc-supply = <&reg_vcc3v3>;
  95         vqmmc-supply = <&reg_vcc3v3>;
  96         mmc-pwrseq = <&wifi_pwrseq>;
  97         bus-width = <4>;
  98         non-removable;
  99         status = "okay";
 100
 101         brcmf: wifi@1 {
 102                 reg = <1>;
 103                 compatible = "brcm,bcm4329-fmac";
 104                 interrupt-parent = <&pio>;
 105                 interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
 106                 interrupt-names = "host-wake";
 107         };
 108 };
 109
 110 &ohci0 {
 111         status = "okay";
 112 };
 113
 114 &uart0 {
 115         pinctrl-names = "default";
 116         pinctrl-0 = <&uart0_pa_pins>;
 117         status = "okay";
 118 };
 119
 120 &uart1 {
 121         pinctrl-names = "default";
 122         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 123         uart-has-rtscts;
 124         status = "okay";
 125
 126         bluetooth {
 127                 compatible = "brcm,bcm43438-bt";
 128                 clocks = <&rtc 1>;
 129                 clock-names = "lpo";
 130                 vbat-supply = <&reg_vcc3v3>;
 131                 vddio-supply = <&reg_vcc3v3>;
 132                 device-wakeup-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
 133                 host-wakeup-gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
 134                 shutdown-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
 135         };
 136
 137 };
 138
 139 &usb_otg {
 140         dr_mode = "otg";
 141         status = "okay";
 142 };
 143
 144 &usbphy {
 145         usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
 146         /*
 147          * There're two micro-USB connectors, one is power-only and another is
 148          * OTG. The Vbus of these two connectors are connected together, so
 149          * the external USB device will be powered just by the power input
 150          * from the power-only USB port.
 151          */
 152         status = "okay";
 153 };