arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (c) 2019 Linaro Ltd.
   4  * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
   5  */
   6
   7 /dts-v1/;
   8
   9 #include "bm1880.dtsi"
  10
  11 /*
  12  * GPIO name legend: proper name = the GPIO line is used as GPIO
  13  *         NC = not connected (pin out but not routed from the chip to
  14  *              anything the board)
  15  *         "[PER]" = pin is muxed for [peripheral] (not GPIO)
  16  *         LSEC = Low Speed External Connector
  17  *         HSEC = High Speed External Connector
  18  *
  19  * Line names are taken from the schematic "sophon-edge-schematics"
  20  * version, 1.0210.
  21  *
  22  * For the lines routed to the external connectors the
  23  * lines are named after the 96Boards CE Specification 1.0,
  24  * Appendix "Expansion Connector Signal Description".
  25  *
  26  * When the 96Board naming of a line and the schematic name of
  27  * the same line are in conflict, the 96Board specification
  28  * takes precedence. This is only for the informational
  29  * lines i.e. "[FOO]", the GPIO named lines "GPIO-A" thru "GPIO-L"
  30  * are the only ones actually used for GPIO.
  31  */
  32
  33 / {
  34         compatible = "bitmain,sophon-edge", "bitmain,bm1880";
  35         model = "Sophon Edge";
  36
  37         aliases {
  38                 serial0 = &uart0;
  39                 serial1 = &uart2;
  40                 serial2 = &uart1;
  41         };
  42
  43         chosen {
  44                 stdout-path = "serial0:115200n8";
  45         };
  46
  47         memory@0 {
  48                 device_type = "memory";
  49                 reg = <0x1 0x00000000 0x0 0x40000000>; // 1GB
  50         };
  51
  52         soc {
  53                 gpio0: gpio@50027000 {
  54                         porta: gpio-controller@0 {
  55                                 gpio-line-names =
  56                                         "GPIO-A", /* GPIO0, LSEC pin 23 */
  57                                         "GPIO-C", /* GPIO1, LSEC pin 25 */
  58                                         "[GPIO2_PHY0_RST]", /* GPIO2 */
  59                                         "GPIO-E", /* GPIO3, LSEC pin 27 */
  60                                         "[USB_DET]", /* GPIO4 */
  61                                         "[EN_P5V]", /* GPIO5 */
  62                                         "[VDDIO_MS1_SEL]", /* GPIO6 */
  63                                         "GPIO-G", /* GPIO7, LSEC pin 29 */
  64                                         "[BM_TUSB_RST_L]", /* GPIO8 */
  65                                         "[EN_P5V_USBHUB]", /* GPIO9 */
  66                                         "NC",
  67                                         "LED_WIFI", /* GPIO11 */
  68                                         "LED_BT", /* GPIO12 */
  69                                         "[BM_BLM8221_EN_L]", /* GPIO13 */
  70                                         "NC", /* GPIO14 */
  71                                         "NC", /* GPIO15 */
  72                                         "NC", /* GPIO16 */
  73                                         "NC", /* GPIO17 */
  74                                         "NC", /* GPIO18 */
  75                                         "NC", /* GPIO19 */
  76                                         "NC", /* GPIO20 */
  77                                         "NC", /* GPIO21 */
  78                                         "NC", /* GPIO22 */
  79                                         "NC", /* GPIO23 */
  80                                         "NC", /* GPIO24 */
  81                                         "NC", /* GPIO25 */
  82                                         "NC", /* GPIO26 */
  83                                         "NC", /* GPIO27 */
  84                                         "NC", /* GPIO28 */
  85                                         "NC", /* GPIO29 */
  86                                         "NC", /* GPIO30 */
  87                                         "NC"; /* GPIO31 */
  88                         };
  89                 };
  90
  91                 gpio1: gpio@50027400 {
  92                         portb: gpio-controller@0 {
  93                                 gpio-line-names =
  94                                         "NC", /* GPIO32 */
  95                                         "NC", /* GPIO33 */
  96                                         "[I2C0_SDA]", /* GPIO34, LSEC pin 17 */
  97                                         "[I2C0_SCL]", /* GPIO35, LSEC pin 15 */
  98                                         "[JTAG0_TDO]", /* GPIO36 */
  99                                         "[JTAG0_TCK]", /* GPIO37 */
 100                                         "[JTAG0_TDI]", /* GPIO38 */
 101                                         "[JTAG0_TMS]", /* GPIO39 */
 102                                         "[JTAG0_TRST_X]", /* GPIO40 */
 103                                         "[JTAG1_TDO]", /* GPIO41 */
 104                                         "[JTAG1_TCK]", /* GPIO42 */
 105                                         "[JTAG1_TDI]", /* GPIO43 */
 106                                         "[CPU_TX]", /* GPIO44 */
 107                                         "[CPU_RX]", /* GPIO45 */
 108                                         "[UART1_TXD]", /* GPIO46 */
 109                                         "[UART1_RXD]", /* GPIO47 */
 110                                         "[UART0_TXD]", /* GPIO48 */
 111                                         "[UART0_RXD]", /* GPIO49 */
 112                                         "GPIO-I", /* GPIO50, LSEC pin 31 */
 113                                         "GPIO-K", /* GPIO51, LSEC pin 33 */
 114                                         "USER_LED2", /* GPIO52 */
 115                                         "USER_LED1", /* GPIO53 */
 116                                         "[UART0_RTS]", /* GPIO54 */
 117                                         "[UART0_CTS]", /* GPIO55 */
 118                                         "USER_LED4", /* GPIO56, JTAG1_TRST_X */
 119                                         "USER_LED3", /* GPIO57, JTAG1_TMS */
 120                                         "[I2S0_SCLK]", /* GPIO58 */
 121                                         "[I2S0_FS]", /* GPIO59 */
 122                                         "[I2S0_SDI]", /* GPIO60 */
 123                                         "[I2S0_SDO]", /* GPIO61 */
 124                                         "GPIO-B", /* GPIO62, LSEC pin 24 */
 125                                         "GPIO-F"; /* GPIO63, I2S1_SCLK, LSEC pin 28 */
 126                         };
 127                 };
 128
 129                 gpio2: gpio@50027800 {
 130                         portc: gpio-controller@0 {
 131                                 gpio-line-names =
 132                                         "GPIO-D", /* GPIO64, I2S1_FS, LSEC pin 26 */
 133                                         "GPIO-J", /* GPIO65, I2S1_SDI, LSEC pin 32 */
 134                                         "GPIO-H", /* GPIO66, I2S1_SDO, LSEC pin 30 */
 135                                         "GPIO-L", /* GPIO67, LSEC pin 34 */
 136                                         "[SPI0_CS]", /* GPIO68, SPI1_CS, LSEC pin 12 */
 137                                         "[SPI0_DIN]", /* GPIO69, SPI1_SDI, LSEC pin 10 */
 138                                         "[SPI0_DOUT]", /* GPIO70, SPI1_SDO, LSEC pin 14 */
 139                                         "[SPI0_SCLK]"; /* GPIO71, SPI1_SCK, LSEC pin 8 */
 140                         };
 141                 };
 142         };
 143 };
 144
 145 &pinctrl {
 146         pinctrl_uart0_default: pinctrl-uart0-default {
 147                 pinmux {
 148                         groups = "uart0_grp";
 149                         function = "uart0";
 150                 };
 151         };
 152
 153         pinctrl_uart1_default: pinctrl-uart1-default {
 154                 pinmux {
 155                         groups = "uart1_grp";
 156                         function = "uart1";
 157                 };
 158         };
 159
 160         pinctrl_uart2_default: pinctrl-uart2-default {
 161                 pinmux {
 162                         groups = "uart2_grp";
 163                         function = "uart2";
 164                 };
 165         };
 166 };
 167
 168 &uart0 {
 169         status = "okay";
 170         pinctrl-names = "default";
 171         pinctrl-0 = <&pinctrl_uart0_default>;
 172 };
 173
 174 &uart1 {
 175         status = "okay";
 176         pinctrl-names = "default";
 177         pinctrl-0 = <&pinctrl_uart1_default>;
 178 };
 179
 180 &uart2 {
 181         status = "okay";
 182         pinctrl-names = "default";
 183         pinctrl-0 = <&pinctrl_uart2_default>;
 184 };