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         uart_clk: uart-clk {
  53                 compatible = "fixed-clock";
  54                 clock-frequency = <500000000>;
  55                 #clock-cells = <0>;
  56         };
  57
  58         soc {
  59                 gpio0: gpio@50027000 {
  60                         porta: gpio-controller@0 {
  61                                 gpio-line-names =
  62                                         "GPIO-A", /* GPIO0, LSEC pin 23 */
  63                                         "GPIO-C", /* GPIO1, LSEC pin 25 */
  64                                         "[GPIO2_PHY0_RST]", /* GPIO2 */
  65                                         "GPIO-E", /* GPIO3, LSEC pin 27 */
  66                                         "[USB_DET]", /* GPIO4 */
  67                                         "[EN_P5V]", /* GPIO5 */
  68                                         "[VDDIO_MS1_SEL]", /* GPIO6 */
  69                                         "GPIO-G", /* GPIO7, LSEC pin 29 */
  70                                         "[BM_TUSB_RST_L]", /* GPIO8 */
  71                                         "[EN_P5V_USBHUB]", /* GPIO9 */
  72                                         "NC",
  73                                         "LED_WIFI", /* GPIO11 */
  74                                         "LED_BT", /* GPIO12 */
  75                                         "[BM_BLM8221_EN_L]", /* GPIO13 */
  76                                         "NC", /* GPIO14 */
  77                                         "NC", /* GPIO15 */
  78                                         "NC", /* GPIO16 */
  79                                         "NC", /* GPIO17 */
  80                                         "NC", /* GPIO18 */
  81                                         "NC", /* GPIO19 */
  82                                         "NC", /* GPIO20 */
  83                                         "NC", /* GPIO21 */
  84                                         "NC", /* GPIO22 */
  85                                         "NC", /* GPIO23 */
  86                                         "NC", /* GPIO24 */
  87                                         "NC", /* GPIO25 */
  88                                         "NC", /* GPIO26 */
  89                                         "NC", /* GPIO27 */
  90                                         "NC", /* GPIO28 */
  91                                         "NC", /* GPIO29 */
  92                                         "NC", /* GPIO30 */
  93                                         "NC"; /* GPIO31 */
  94                         };
  95                 };
  96
  97                 gpio1: gpio@50027400 {
  98                         portb: gpio-controller@0 {
  99                                 gpio-line-names =
 100                                         "NC", /* GPIO32 */
 101                                         "NC", /* GPIO33 */
 102                                         "[I2C0_SDA]", /* GPIO34, LSEC pin 17 */
 103                                         "[I2C0_SCL]", /* GPIO35, LSEC pin 15 */
 104                                         "[JTAG0_TDO]", /* GPIO36 */
 105                                         "[JTAG0_TCK]", /* GPIO37 */
 106                                         "[JTAG0_TDI]", /* GPIO38 */
 107                                         "[JTAG0_TMS]", /* GPIO39 */
 108                                         "[JTAG0_TRST_X]", /* GPIO40 */
 109                                         "[JTAG1_TDO]", /* GPIO41 */
 110                                         "[JTAG1_TCK]", /* GPIO42 */
 111                                         "[JTAG1_TDI]", /* GPIO43 */
 112                                         "[CPU_TX]", /* GPIO44 */
 113                                         "[CPU_RX]", /* GPIO45 */
 114                                         "[UART1_TXD]", /* GPIO46 */
 115                                         "[UART1_RXD]", /* GPIO47 */
 116                                         "[UART0_TXD]", /* GPIO48 */
 117                                         "[UART0_RXD]", /* GPIO49 */
 118                                         "GPIO-I", /* GPIO50, LSEC pin 31 */
 119                                         "GPIO-K", /* GPIO51, LSEC pin 33 */
 120                                         "USER_LED2", /* GPIO52 */
 121                                         "USER_LED1", /* GPIO53 */
 122                                         "[UART0_RTS]", /* GPIO54 */
 123                                         "[UART0_CTS]", /* GPIO55 */
 124                                         "USER_LED4", /* GPIO56, JTAG1_TRST_X */
 125                                         "USER_LED3", /* GPIO57, JTAG1_TMS */
 126                                         "[I2S0_SCLK]", /* GPIO58 */
 127                                         "[I2S0_FS]", /* GPIO59 */
 128                                         "[I2S0_SDI]", /* GPIO60 */
 129                                         "[I2S0_SDO]", /* GPIO61 */
 130                                         "GPIO-B", /* GPIO62, LSEC pin 24 */
 131                                         "GPIO-F"; /* GPIO63, I2S1_SCLK, LSEC pin 28 */
 132                         };
 133                 };
 134
 135                 gpio2: gpio@50027800 {
 136                         portc: gpio-controller@0 {
 137                                 gpio-line-names =
 138                                         "GPIO-D", /* GPIO64, I2S1_FS, LSEC pin 26 */
 139                                         "GPIO-J", /* GPIO65, I2S1_SDI, LSEC pin 32 */
 140                                         "GPIO-H", /* GPIO66, I2S1_SDO, LSEC pin 30 */
 141                                         "GPIO-L", /* GPIO67, LSEC pin 34 */
 142                                         "[SPI0_CS]", /* GPIO68, SPI1_CS, LSEC pin 12 */
 143                                         "[SPI0_DIN]", /* GPIO69, SPI1_SDI, LSEC pin 10 */
 144                                         "[SPI0_DOUT]", /* GPIO70, SPI1_SDO, LSEC pin 14 */
 145                                         "[SPI0_SCLK]"; /* GPIO71, SPI1_SCK, LSEC pin 8 */
 146                         };
 147                 };
 148         };
 149 };
 150
 151 &pinctrl {
 152         pinctrl_uart0_default: pinctrl-uart0-default {
 153                 pinmux {
 154                         groups = "uart0_grp";
 155                         function = "uart0";
 156                 };
 157         };
 158
 159         pinctrl_uart1_default: pinctrl-uart1-default {
 160                 pinmux {
 161                         groups = "uart1_grp";
 162                         function = "uart1";
 163                 };
 164         };
 165
 166         pinctrl_uart2_default: pinctrl-uart2-default {
 167                 pinmux {
 168                         groups = "uart2_grp";
 169                         function = "uart2";
 170                 };
 171         };
 172 };
 173
 174 &uart0 {
 175         status = "okay";
 176         clocks = <&uart_clk>;
 177         pinctrl-names = "default";
 178         pinctrl-0 = <&pinctrl_uart0_default>;
 179 };
 180
 181 &uart1 {
 182         status = "okay";
 183         clocks = <&uart_clk>;
 184         pinctrl-names = "default";
 185         pinctrl-0 = <&pinctrl_uart1_default>;
 186 };
 187
 188 &uart2 {
 189         status = "okay";
 190         clocks = <&uart_clk>;
 191         pinctrl-names = "default";
 192         pinctrl-0 = <&pinctrl_uart2_default>;
 193 };