| /* |
| * Copyright (c) 2022 Friedt Professional Engineering Services, Inc |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/dt-bindings/pinctrl/esp-pinctrl-common.h> |
| #include <dt-bindings/pinctrl/esp32c3-pinctrl.h> |
| #include <zephyr/dt-bindings/pinctrl/esp32c3-gpio-sigmap.h> |
| |
| &pinctrl { |
| |
| uart0_default: uart0_default { |
| group1 { |
| pinmux = <UART0_TX_GPIO21>; |
| }; |
| group2 { |
| pinmux = <UART0_RX_GPIO20>; |
| }; |
| }; |
| |
| spim2_default: spim2_default { |
| group1 { |
| pinmux = <SPIM2_MISO_GPIO4>, |
| <SPIM2_SCLK_GPIO5>, |
| <SPIM2_CSEL_GPIO6>; |
| }; |
| group2 { |
| pinmux = <SPIM2_MOSI_GPIO7>; |
| output-low; |
| }; |
| }; |
| |
| i2c0_default: i2c0_default { |
| group1 { |
| pinmux = <I2C0_SDA_GPIO2>, |
| <I2C0_SCL_GPIO8>; |
| /* Note: external 10k pull-ups on GPIO2 and GPIO8 */ |
| drive-open-drain; |
| output-high; |
| }; |
| }; |
| |
| }; |