1/* 2 * Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7#include <zephyr/dt-bindings/pinctrl/esp-pinctrl-common.h> 8#include <dt-bindings/pinctrl/esp32c3-pinctrl.h> 9#include <zephyr/dt-bindings/pinctrl/esp32c3-gpio-sigmap.h> 10 11&pinctrl { 12 13 uart0_default: uart0_default { 14 group1 { 15 pinmux = <UART0_TX_GPIO21>; 16 output-high; 17 }; 18 group2 { 19 pinmux = <UART0_RX_GPIO20>; 20 bias-pull-up; 21 }; 22 }; 23 24 spim2_default: spim2_default { 25 group1 { 26 pinmux = <SPIM2_MISO_GPIO2>, 27 <SPIM2_SCLK_GPIO6>, 28 <SPIM2_CSEL_GPIO10>; 29 }; 30 group2 { 31 pinmux = <SPIM2_MOSI_GPIO7>; 32 output-low; 33 }; 34 }; 35 36 i2c0_default: i2c0_default { 37 group1 { 38 pinmux = <I2C0_SDA_GPIO1>, 39 <I2C0_SCL_GPIO3>; 40 bias-pull-up; 41 drive-open-drain; 42 output-high; 43 }; 44 }; 45 46 twai_default: twai_default { 47 group1 { 48 pinmux = <TWAI_TX_GPIO4>, 49 <TWAI_RX_GPIO5>; 50 }; 51 }; 52}; 53