arch/arm/dts/stm32h750i-art-pi.dts

   1 // SPDX-License-Identifier: GPL-2.0+ OR X11
   2 /*
   3  * Copyright 2021 - Dillon Min <dillon.minfei@gmail.com>
   4  *
   5  */
   6
   7 /dts-v1/;
   8 #include "stm32h750.dtsi"
   9 #include "stm32h7-pinctrl.dtsi"
  10 #include <dt-bindings/interrupt-controller/irq.h>
  11 #include <dt-bindings/gpio/gpio.h>
  12
  13 / {
  14         model = "RT-Thread STM32H750i-ART-PI board";
  15         compatible = "st,stm32h750i-art-pi", "st,stm32h750";
  16
  17         chosen {
  18                 bootargs = "root=/dev/ram";
  19                 stdout-path = "serial0:2000000n8";
  20         };
  21
  22         memory@c0000000 {
  23                 device_type = "memory";
  24                 reg = <0xc0000000 0x2000000>;
  25         };
  26
  27         reserved-memory {
  28                 #address-cells = <1>;
  29                 #size-cells = <1>;
  30                 ranges;
  31
  32                 linux,cma {
  33                         compatible = "shared-dma-pool";
  34                         no-map;
  35                         size = <0x100000>;
  36                         linux,dma-default;
  37                 };
  38         };
  39
  40         aliases {
  41                 serial0 = &uart4;
  42                 serial1 = &usart3;
  43         };
  44
  45         leds {
  46                 compatible = "gpio-leds";
  47                 led-red {
  48                         gpios = <&gpioi 8 0>;
  49                 };
  50                 led-green {
  51                         gpios = <&gpioc 15 0>;
  52                         linux,default-trigger = "heartbeat";
  53                 };
  54         };
  55
  56         v3v3: regulator-v3v3 {
  57                 compatible = "regulator-fixed";
  58                 regulator-name = "v3v3";
  59                 regulator-min-microvolt = <3300000>;
  60                 regulator-max-microvolt = <3300000>;
  61                 regulator-always-on;
  62         };
  63
  64         wlan_pwr: regulator-wlan {
  65                 compatible = "regulator-fixed";
  66
  67                 regulator-name = "wl-reg";
  68                 regulator-min-microvolt = <3300000>;
  69                 regulator-max-microvolt = <3300000>;
  70
  71                 gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
  72                 enable-active-high;
  73         };
  74 };
  75
  76 &clk_hse {
  77         clock-frequency = <25000000>;
  78 };
  79
  80 &dma1 {
  81         status = "okay";
  82 };
  83
  84 &dma2 {
  85         status = "okay";
  86 };
  87
  88 &mac {
  89         status = "disabled";
  90         pinctrl-0       = <&ethernet_rmii>;
  91         pinctrl-names   = "default";
  92         phy-mode        = "rmii";
  93         phy-handle      = <&phy0>;
  94
  95         mdio0 {
  96                 #address-cells = <1>;
  97                 #size-cells = <0>;
  98                 compatible = "snps,dwmac-mdio";
  99                 phy0: ethernet-phy@0 {
 100                         reg = <0>;
 101                 };
 102         };
 103 };
 104
 105 &sdmmc1 {
 106         pinctrl-names = "default", "opendrain", "sleep";
 107         pinctrl-0 = <&sdmmc1_b4_pins_a>;
 108         pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
 109         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
 110         broken-cd;
 111         st,neg-edge;
 112         bus-width = <4>;
 113         vmmc-supply = <&v3v3>;
 114         status = "okay";
 115 };
 116
 117 &sdmmc2 {
 118         pinctrl-names = "default", "opendrain", "sleep";
 119         pinctrl-0 = <&sdmmc2_b4_pins_a>;
 120         pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
 121         pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
 122         broken-cd;
 123         non-removable;
 124         st,neg-edge;
 125         bus-width = <4>;
 126         vmmc-supply = <&wlan_pwr>;
 127         status = "okay";
 128
 129         #address-cells = <1>;
 130         #size-cells = <0>;
 131         brcmf: bcrmf@1 {
 132                 reg = <1>;
 133                 compatible = "brcm,bcm4329-fmac";
 134         };
 135 };
 136
 137 &spi1 {
 138         status = "okay";
 139         pinctrl-0 = <&spi1_pins>;
 140         pinctrl-names = "default";
 141         cs-gpios = <&gpioa 4 GPIO_ACTIVE_LOW>;
 142         dmas = <&dmamux1 37 0x400 0x05>,
 143                <&dmamux1 38 0x400 0x05>;
 144         dma-names = "rx", "tx";
 145
 146         flash@0 {
 147                 #address-cells = <1>;
 148                 #size-cells = <1>;
 149                 compatible = "winbond,w25q128", "jedec,spi-nor";
 150                 reg = <0>;
 151                 spi-max-frequency = <80000000>;
 152
 153                 partition@0 {
 154                         label = "root filesystem";
 155                         reg = <0 0x1000000>;
 156                 };
 157         };
 158 };
 159
 160 &usart2 {
 161         pinctrl-0 = <&usart2_pins>;
 162         pinctrl-names = "default";
 163         status = "disabled";
 164 };
 165
 166 &usart3 {
 167         pinctrl-names = "default";
 168         pinctrl-0 = <&usart3_pins>;
 169         dmas = <&dmamux1 45 0x400 0x05>,
 170                <&dmamux1 46 0x400 0x05>;
 171         dma-names = "rx", "tx";
 172         st,hw-flow-ctrl;
 173         status = "okay";
 174
 175         bluetooth {
 176                 compatible = "brcm,bcm43438-bt";
 177                 host-wakeup-gpios = <&gpioc 0 GPIO_ACTIVE_HIGH>;
 178                 device-wakeup-gpios = <&gpioi 10 GPIO_ACTIVE_HIGH>;
 179                 shutdown-gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
 180                 max-speed = <115200>;
 181         };
 182 };
 183
 184 &uart4 {
 185         pinctrl-0 = <&uart4_pins>;
 186         pinctrl-names = "default";
 187         status = "okay";
 188 };