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         reg_vcc_dram: vcc-dram {
  66                 compatible = "regulator-fixed";
  67                 regulator-name = "vcc-dram";
  68                 regulator-min-microvolt = <1500000>;
  69                 regulator-max-microvolt = <1500000>;
  70                 regulator-always-on;
  71                 regulator-boot-on;
  72                 enable-active-high;
  73                 gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
  74                 vin-supply = <&reg_vcc5v0>;
  75         };
  76
  77         reg_vcc1v2: vcc1v2 {
  78                 compatible = "regulator-fixed";
  79                 regulator-name = "vcc1v2";
  80                 regulator-min-microvolt = <1200000>;
  81                 regulator-max-microvolt = <1200000>;
  82                 regulator-always-on;
  83                 regulator-boot-on;
  84                 enable-active-high;
  85                 gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
  86                 vin-supply = <&reg_vcc5v0>;
  87         };
  88
  89         wifi_pwrseq: wifi_pwrseq {
  90                 compatible = "mmc-pwrseq-simple";
  91                 reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
  92                 clocks = <&rtc 1>;
  93                 clock-names = "ext_clock";
  94         };
  95 };
  96
  97 &cpu0 {
  98         cpu-supply = <&reg_vdd_cpux>;
  99 };
 100
 101 &ehci0 {
 102         status = "okay";
 103 };
 104
 105 &mmc0 {
 106         vmmc-supply = <&reg_vcc3v3>;
 107         bus-width = <4>;
 108         /*
 109          * On the production batch of this board the card detect GPIO is
 110          * high active (card inserted), although on the early samples it's
 111          * low active.
 112          */
 113         cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
 114         status = "okay";
 115 };
 116
 117 &mmc1 {
 118         vmmc-supply = <&reg_vcc3v3>;
 119         vqmmc-supply = <&reg_vcc3v3>;
 120         mmc-pwrseq = <&wifi_pwrseq>;
 121         bus-width = <4>;
 122         non-removable;
 123         status = "okay";
 124
 125         brcmf: wifi@1 {
 126                 reg = <1>;
 127                 compatible = "brcm,bcm4329-fmac";
 128                 interrupt-parent = <&pio>;
 129                 interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
 130                 interrupt-names = "host-wake";
 131         };
 132 };
 133
 134 &ohci0 {
 135         status = "okay";
 136 };
 137
 138 &uart0 {
 139         pinctrl-names = "default";
 140         pinctrl-0 = <&uart0_pa_pins>;
 141         status = "okay";
 142 };
 143
 144 &uart1 {
 145         pinctrl-names = "default";
 146         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 147         uart-has-rtscts;
 148         status = "okay";
 149
 150         bluetooth {
 151                 compatible = "brcm,bcm43438-bt";
 152                 clocks = <&rtc 1>;
 153                 clock-names = "lpo";
 154                 vbat-supply = <&reg_vcc3v3>;
 155                 vddio-supply = <&reg_vcc3v3>;
 156                 device-wakeup-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
 157                 host-wakeup-gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
 158                 shutdown-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
 159         };
 160
 161 };
 162
 163 &usb_otg {
 164         dr_mode = "otg";
 165         status = "okay";
 166 };
 167
 168 &usbphy {
 169         usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
 170         /*
 171          * There're two micro-USB connectors, one is power-only and another is
 172          * OTG. The Vbus of these two connectors are connected together, so
 173          * the external USB device will be powered just by the power input
 174          * from the power-only USB port.
 175          */
 176         status = "okay";
 177 };