projects / mirror_ubuntu-eoan-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 3bfe25fa EA |
2 | /dts-v1/; |
| 3 | #include "bcm2837.dtsi" | |
| 499770ed | 4 | #include "bcm2836-rpi.dtsi" |
| 3bfe25fa EA |
5 | #include "bcm283x-rpi-smsc9514.dtsi" |
| 6 | #include "bcm283x-rpi-usb-host.dtsi" | |
| 7 | ||
| 8 | / { | |
| 9 | compatible = "raspberrypi,3-model-b", "brcm,bcm2837"; | |
| 10 | model = "Raspberry Pi 3 Model B"; | |
| 11 | ||
| f08f58a2 LP |
12 | chosen { |
| 13 | /* 8250 auxiliary UART instead of pl011 */ | |
| 14 | stdout-path = "serial1:115200n8"; | |
| 15 | }; | |
| 16 | ||
| f090e1bd | 17 | memory@0 { |
| 3bfe25fa EA |
18 | reg = <0 0x40000000>; |
| 19 | }; | |
| 20 | ||
| 21 | leds { | |
| 22 | act { | |
| b1b8f45b | 23 | gpios = <&expgpio 2 GPIO_ACTIVE_HIGH>; |
| 3bfe25fa EA |
24 | }; |
| 25 | }; | |
| b1b8f45b SW |
26 | |
| 27 | wifi_pwrseq: wifi-pwrseq { | |
| 28 | compatible = "mmc-pwrseq-simple"; | |
| e25b6783 | 29 | reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; |
| b1b8f45b | 30 | }; |
| 3bfe25fa EA |
31 | }; |
| 32 | ||
| 4d5b2eaf BS |
33 | &firmware { |
| 34 | expgpio: gpio { | |
| 35 | compatible = "raspberrypi,firmware-gpio"; | |
| 36 | gpio-controller; | |
| 37 | #gpio-cells = <2>; | |
| 38 | gpio-line-names = "BT_ON", | |
| 39 | "WL_ON", | |
| 40 | "STATUS_LED", | |
| 41 | "LAN_RUN", | |
| 74a04e07 | 42 | "HDMI_HPD_N", |
| 4d5b2eaf BS |
43 | "CAM_GPIO0", |
| 44 | "CAM_GPIO1", | |
| 45 | "PWR_LOW_N"; | |
| 46 | status = "okay"; | |
| 47 | }; | |
| 48 | }; | |
| 49 | ||
| 0b559d5c SW |
50 | &gpio { |
| 51 | /* | |
| 52 | * Taken from rpi_SCH_3b_1p2_reduced.pdf and | |
| 53 | * the official GPU firmware DT blob. | |
| 54 | * | |
| 55 | * Legend: | |
| 56 | * "NC" = not connected (no rail from the SoC) | |
| 57 | * "FOO" = GPIO line named "FOO" on the schematic | |
| 58 | * "FOO_N" = GPIO line named "FOO" on schematic, active low | |
| 59 | */ | |
| 60 | gpio-line-names = "ID_SDA", | |
| 61 | "ID_SCL", | |
| 62 | "SDA1", | |
| 63 | "SCL1", | |
| 64 | "GPIO_GCLK", | |
| 65 | "GPIO5", | |
| 66 | "GPIO6", | |
| 67 | "SPI_CE1_N", | |
| 68 | "SPI_CE0_N", | |
| 69 | "SPI_MISO", | |
| 70 | "SPI_MOSI", | |
| 71 | "SPI_SCLK", | |
| 72 | "GPIO12", | |
| 73 | "GPIO13", | |
| 74 | /* Serial port */ | |
| 75 | "TXD1", | |
| 76 | "RXD1", | |
| 77 | "GPIO16", | |
| 78 | "GPIO17", | |
| 79 | "GPIO18", | |
| 80 | "GPIO19", | |
| 81 | "GPIO20", | |
| 82 | "GPIO21", | |
| 83 | "GPIO22", | |
| 84 | "GPIO23", | |
| 85 | "GPIO24", | |
| 86 | "GPIO25", | |
| 87 | "GPIO26", | |
| 88 | "GPIO27", | |
| 89 | "", /* GPIO 28 */ | |
| 90 | "LAN_RUN_BOOT", | |
| 91 | /* Used by BT module */ | |
| 92 | "CTS0", | |
| 93 | "RTS0", | |
| 94 | "TXD0", | |
| 95 | "RXD0", | |
| 96 | /* Used by Wifi */ | |
| 97 | "SD1_CLK", | |
| 98 | "SD1_CMD", | |
| 99 | "SD1_DATA0", | |
| 100 | "SD1_DATA1", | |
| 101 | "SD1_DATA2", | |
| 102 | "SD1_DATA3", | |
| 103 | "PWM0_OUT", | |
| 104 | "PWM1_OUT", | |
| 105 | "ETHCLK", | |
| 106 | "WIFI_CLK", | |
| 107 | "SDA0", | |
| 108 | "SCL0", | |
| 109 | "SMPS_SCL", | |
| 110 | "SMPS_SDA", | |
| 111 | /* Used by SD Card */ | |
| 112 | "SD_CLK_R", | |
| 113 | "SD_CMD_R", | |
| 114 | "SD_DATA0_R", | |
| 115 | "SD_DATA1_R", | |
| 116 | "SD_DATA2_R", | |
| 117 | "SD_DATA3_R"; | |
| 118 | }; | |
| 119 | ||
| c4bb9782 SW |
120 | &pwm { |
| 121 | pinctrl-names = "default"; | |
| 122 | pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>; | |
| 123 | status = "okay"; | |
| 124 | }; | |
| 125 | ||
| b1b8f45b SW |
126 | &hdmi { |
| 127 | hpd-gpios = <&expgpio 4 GPIO_ACTIVE_LOW>; | |
| 128 | }; | |
| 129 | ||
| 4188ea2a SW |
130 | /* uart0 communicates with the BT module */ |
| 131 | &uart0 { | |
| 132 | pinctrl-names = "default"; | |
| 133 | pinctrl-0 = <&uart0_gpio32 &gpclk2_gpio43>; | |
| 134 | status = "okay"; | |
| fd3372db LP |
135 | |
| 136 | bluetooth { | |
| 137 | compatible = "brcm,bcm43438-bt"; | |
| 138 | max-speed = <2000000>; | |
| b1b8f45b | 139 | shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; |
| fd3372db | 140 | }; |
| 4188ea2a SW |
141 | }; |
| 142 | ||
| 143 | /* uart1 is mapped to the pin header */ | |
| 3bfe25fa | 144 | &uart1 { |
| 4188ea2a SW |
145 | pinctrl-names = "default"; |
| 146 | pinctrl-0 = <&uart1_gpio14>; | |
| 3bfe25fa EA |
147 | status = "okay"; |
| 148 | }; | |
| 149 | ||
| 150 | /* SDHCI is used to control the SDIO for wireless */ | |
| 151 | &sdhci { | |
| b1b8f45b SW |
152 | #address-cells = <1>; |
| 153 | #size-cells = <0>; | |
| 3bfe25fa EA |
154 | pinctrl-names = "default"; |
| 155 | pinctrl-0 = <&emmc_gpio34>; | |
| 156 | status = "okay"; | |
| 157 | bus-width = <4>; | |
| 158 | non-removable; | |
| b1b8f45b SW |
159 | mmc-pwrseq = <&wifi_pwrseq>; |
| 160 | ||
| 161 | brcmf: wifi@1 { | |
| 162 | reg = <1>; | |
| 163 | compatible = "brcm,bcm4329-fmac"; | |
| 164 | }; | |
| 3bfe25fa EA |
165 | }; |
| 166 | ||
| 167 | /* SDHOST is used to drive the SD card */ | |
| 168 | &sdhost { | |
| 169 | pinctrl-names = "default"; | |
| 170 | pinctrl-0 = <&sdhost_gpio48>; | |
| 171 | status = "okay"; | |
| 172 | bus-width = <4>; | |
| 173 | }; |