1/* 2 * Copyright (c) 2022 Friedt Professional Engineering Services, Inc 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 }; 21 }; 22 23 spim2_default: spim2_default { 24 group1 { 25 pinmux = <SPIM2_MISO_GPIO4>, 26 <SPIM2_SCLK_GPIO5>, 27 <SPIM2_CSEL_GPIO6>; 28 }; 29 group2 { 30 pinmux = <SPIM2_MOSI_GPIO7>; 31 output-low; 32 }; 33 }; 34 35 i2c0_default: i2c0_default { 36 group1 { 37 pinmux = <I2C0_SDA_GPIO2>, 38 <I2C0_SCL_GPIO8>; 39 /* Note: external 10k pull-ups on GPIO2 and GPIO8 */ 40 drive-open-drain; 41 output-high; 42 }; 43 }; 44 45}; 46