// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (c) 2019 Linaro Ltd. * Author: Manivannan Sadhasivam */ /dts-v1/; #include "bm1880.dtsi" /* * GPIO name legend: proper name = the GPIO line is used as GPIO * NC = not connected (pin out but not routed from the chip to * anything the board) * "[PER]" = pin is muxed for [peripheral] (not GPIO) * LSEC = Low Speed External Connector * HSEC = High Speed External Connector * * Line names are taken from the schematic "sophon-edge-schematics" * version, 1.0210. * * For the lines routed to the external connectors the * lines are named after the 96Boards CE Specification 1.0, * Appendix "Expansion Connector Signal Description". * * When the 96Board naming of a line and the schematic name of * the same line are in conflict, the 96Board specification * takes precedence. This is only for the informational * lines i.e. "[FOO]", the GPIO named lines "GPIO-A" thru "GPIO-L" * are the only ones actually used for GPIO. */ / { compatible = "bitmain,sophon-edge", "bitmain,bm1880"; model = "Sophon Edge"; aliases { serial0 = &uart0; serial1 = &uart2; serial2 = &uart1; }; chosen { stdout-path = "serial0:115200n8"; }; memory@0 { device_type = "memory"; reg = <0x1 0x00000000 0x0 0x40000000>; // 1GB }; soc { gpio0: gpio@50027000 { porta: gpio-controller@0 { gpio-line-names = "GPIO-A", /* GPIO0, LSEC pin 23 */ "GPIO-C", /* GPIO1, LSEC pin 25 */ "[GPIO2_PHY0_RST]", /* GPIO2 */ "GPIO-E", /* GPIO3, LSEC pin 27 */ "[USB_DET]", /* GPIO4 */ "[EN_P5V]", /* GPIO5 */ "[VDDIO_MS1_SEL]", /* GPIO6 */ "GPIO-G", /* GPIO7, LSEC pin 29 */ "[BM_TUSB_RST_L]", /* GPIO8 */ "[EN_P5V_USBHUB]", /* GPIO9 */ "NC", "LED_WIFI", /* GPIO11 */ "LED_BT", /* GPIO12 */ "[BM_BLM8221_EN_L]", /* GPIO13 */ "NC", /* GPIO14 */ "NC", /* GPIO15 */ "NC", /* GPIO16 */ "NC", /* GPIO17 */ "NC", /* GPIO18 */ "NC", /* GPIO19 */ "NC", /* GPIO20 */ "NC", /* GPIO21 */ "NC", /* GPIO22 */ "NC", /* GPIO23 */ "NC", /* GPIO24 */ "NC", /* GPIO25 */ "NC", /* GPIO26 */ "NC", /* GPIO27 */ "NC", /* GPIO28 */ "NC", /* GPIO29 */ "NC", /* GPIO30 */ "NC"; /* GPIO31 */ }; }; gpio1: gpio@50027400 { portb: gpio-controller@0 { gpio-line-names = "NC", /* GPIO32 */ "NC", /* GPIO33 */ "[I2C0_SDA]", /* GPIO34, LSEC pin 17 */ "[I2C0_SCL]", /* GPIO35, LSEC pin 15 */ "[JTAG0_TDO]", /* GPIO36 */ "[JTAG0_TCK]", /* GPIO37 */ "[JTAG0_TDI]", /* GPIO38 */ "[JTAG0_TMS]", /* GPIO39 */ "[JTAG0_TRST_X]", /* GPIO40 */ "[JTAG1_TDO]", /* GPIO41 */ "[JTAG1_TCK]", /* GPIO42 */ "[JTAG1_TDI]", /* GPIO43 */ "[CPU_TX]", /* GPIO44 */ "[CPU_RX]", /* GPIO45 */ "[UART1_TXD]", /* GPIO46 */ "[UART1_RXD]", /* GPIO47 */ "[UART0_TXD]", /* GPIO48 */ "[UART0_RXD]", /* GPIO49 */ "GPIO-I", /* GPIO50, LSEC pin 31 */ "GPIO-K", /* GPIO51, LSEC pin 33 */ "USER_LED2", /* GPIO52 */ "USER_LED1", /* GPIO53 */ "[UART0_RTS]", /* GPIO54 */ "[UART0_CTS]", /* GPIO55 */ "USER_LED4", /* GPIO56, JTAG1_TRST_X */ "USER_LED3", /* GPIO57, JTAG1_TMS */ "[I2S0_SCLK]", /* GPIO58 */ "[I2S0_FS]", /* GPIO59 */ "[I2S0_SDI]", /* GPIO60 */ "[I2S0_SDO]", /* GPIO61 */ "GPIO-B", /* GPIO62, LSEC pin 24 */ "GPIO-F"; /* GPIO63, I2S1_SCLK, LSEC pin 28 */ }; }; gpio2: gpio@50027800 { portc: gpio-controller@0 { gpio-line-names = "GPIO-D", /* GPIO64, I2S1_FS, LSEC pin 26 */ "GPIO-J", /* GPIO65, I2S1_SDI, LSEC pin 32 */ "GPIO-H", /* GPIO66, I2S1_SDO, LSEC pin 30 */ "GPIO-L", /* GPIO67, LSEC pin 34 */ "[SPI0_CS]", /* GPIO68, SPI1_CS, LSEC pin 12 */ "[SPI0_DIN]", /* GPIO69, SPI1_SDI, LSEC pin 10 */ "[SPI0_DOUT]", /* GPIO70, SPI1_SDO, LSEC pin 14 */ "[SPI0_SCLK]"; /* GPIO71, SPI1_SCK, LSEC pin 8 */ }; }; }; }; &pinctrl { pinctrl_uart0_default: pinctrl-uart0-default { pinmux { groups = "uart0_grp"; function = "uart0"; }; }; pinctrl_uart1_default: pinctrl-uart1-default { pinmux { groups = "uart1_grp"; function = "uart1"; }; }; pinctrl_uart2_default: pinctrl-uart2-default { pinmux { groups = "uart2_grp"; function = "uart2"; }; }; }; &uart0 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart0_default>; }; &uart1 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1_default>; }; &uart2 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart2_default>; };