esp32-dev-board/esp32_dev-pinctrl.dtsi at main · walidbadar/esp32-dev-board · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
/*
 * Copyright (c) 2022-2025 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;
		};
	};

	uart1_default: uart1_default {
		group1 {
			pinmux = <UART1_TX_GPIO10>;
		};
		group2 {
			pinmux = <UART1_RX_GPIO9>;
			bias-pull-up;
		};
	};

	uart2_default: uart2_default {
		group1 {
			pinmux = <UART2_TX_GPIO17>;
		};
		group2 {
			pinmux = <UART2_RX_GPIO16>;
			bias-pull-up;
		};
	};

	i2c0_default: i2c0_default {
		group1 {
			pinmux = <I2C0_SDA_GPIO21>,
				 <I2C0_SCL_GPIO22>;
			bias-pull-up;
			drive-open-drain;
			output-high;
		};
	};
};