diff options
Diffstat (limited to 'arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts')
| -rw-r--r-- | arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts new file mode 100644 index 000000000..7a2c7f9c2 --- /dev/null +++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts @@ -0,0 +1,184 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2019 Linaro Ltd. + * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> + */ + +/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>; +}; |