ref: ad1df2d2a01bd064e643287ff305673dfede3ce3
dir: /boards/xtensa/ttgo_lora32/ttgo_lora32-pinctrl.dtsi/
/*
* Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/dt-bindings/pinctrl/esp-pinctrl-common.h>
#include <dt-bindings/pinctrl/esp32-pinctrl.h>
#include <zephyr/dt-bindings/pinctrl/esp32-gpio-sigmap.h>
&pinctrl {
uart0_default: uart0_default {
group1 {
pinmux = <UART0_TX_GPIO1>;
output-high;
};
group2 {
pinmux = <UART0_RX_GPIO3>;
bias-pull-up;
};
};
spim3_default: spim3_default {
group1 {
pinmux = <SPIM3_MISO_GPIO19>,
<SPIM3_SCLK_GPIO5>;
};
group2 {
pinmux = <SPIM3_MOSI_GPIO27>;
output-low;
};
};
i2c0_default: i2c0_default {
group1 {
/*
pinmux = <I2C0_SDA_GPIO22>,
<I2C0_SCL_GPIO21>;
*/
pinmux = <I2C0_SDA_GPIO21>,
<I2C0_SCL_GPIO22>;
bias-pull-up;
drive-open-drain;
output-high;
};
};
};