/* * Copyright (c) 2023 Martin Kiepfer * SPDX-License-Identifier: Apache-2.0 */ / { m5stack_mbus_header: m5stack_mbus_connector { compatible = "m5stack,mbus-header"; #gpio-cells = <2>; gpio-map-mask = <0xffffffff 0xffffffc0>; gpio-map-pass-thru = <0 0x3f>; gpio-map = /* 0 GND */ <1 0 &gpio1 4 0>, /* ADC0 */ /* 2 GND */ <3 0 &gpio1 5 0>, /* ADC1 */ /* 4 GND */ /* 5 RESET */ <6 0 &gpio0 23 0>, /* MOSI */ <7 0 &gpio0 25 0>, /* DAC0 */ <8 0 &gpio1 7 0>, /* MISO */ <9 0 &gpio0 26 0>, /* DAC1 */ <10 0 &gpio0 18 0>, /* SCK */ /* 11 3.3V */ <12 0 &gpio0 3 0>, /* RXD0 */ <13 0 &gpio0 1 0>, /* TXD0 */ <14 0 &gpio0 13 0>, /* RXD1 */ <15 0 &gpio0 14 0>, /* TXD1 */ <16 0 &gpio0 21 0>, /* intSDA */ <17 0 &gpio0 22 0>, /* intSCL */ <18 0 &gpio1 0 0>, /* SDA */ <19 0 &gpio1 1 0>, /* SCL */ <20 0 &gpio0 27 0>, /* GPIO */ <21 0 &gpio0 19 0>, /* GPIO */ <22 0 &gpio0 2 0>, /* GPIO */ <23 0 &gpio0 0 0>, /* GPIO */ /* 24 NC */ <25 0 &gpio1 3 0>; /* GPIO */ /* 26 NC */ /* 27 5V */ /* 28 NC */ /* 29 BAT */ }; }; m5stack_mbus_i2c0: &i2c0 {}; m5stack_mbus_i2c1: &i2c1 {}; m5stack_mbus_uart0: &uart1 {}; m5stack_mbus_uart1: &uart2 {}; m5stack_mbus_spi: &spi3 {};