1// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
2/*
3 * Copyright (C) STMicroelectronics 2019-2022 - All Rights Reserved
4 * Author: Alexandre Torgue <alexandre.torgue@st.com>
5 */
6#include <dt-bindings/pinctrl/stm32-pinfunc.h>
7
8&pinctrl {
9	i2c4_pins_a: i2c4-0 {
10		pins {
11			pinmux = <STM32_PINMUX('E', 15, AF6)>, /* I2C4_SCL */
12				 <STM32_PINMUX('B', 9, AF6)>; /* I2C4_SDA */
13			bias-disable;
14			drive-open-drain;
15			slew-rate = <0>;
16		};
17	};
18
19	uart4_pins_a: uart4-0 {
20		pins1 {
21			pinmux = <STM32_PINMUX('D', 6, AF8)>; /* UART4_TX */
22			bias-disable;
23			drive-push-pull;
24			slew-rate = <0>;
25		};
26		pins2 {
27			pinmux = <STM32_PINMUX('D', 8, AF8)>; /* UART4_RX */
28			bias-disable;
29		};
30	};
31
32	usart1_pins_a: usart1-0 {
33		pins1 {
34			pinmux = <STM32_PINMUX('C', 0, AF7)>, /* USART1_TX */
35				 <STM32_PINMUX('C', 2, AF7)>; /* USART1_RTS */
36			bias-disable;
37			drive-push-pull;
38			slew-rate = <0>;
39		};
40		pins2 {
41			pinmux = <STM32_PINMUX('B', 0, AF4)>, /* USART1_RX */
42				 <STM32_PINMUX('A', 7, AF7)>; /* USART1_CTS_NSS */
43			bias-pull-up;
44		};
45	};
46
47	uart8_pins_a: uart8-0 {
48		pins1 {
49			pinmux = <STM32_PINMUX('E', 1, AF8)>; /* UART8_TX */
50			bias-disable;
51			drive-push-pull;
52			slew-rate = <0>;
53		};
54		pins2 {
55			pinmux = <STM32_PINMUX('F', 9, AF8)>; /* UART8_RX */
56			bias-pull-up;
57		};
58	};
59};
60