1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2016, STMicroelectronics - All Rights Reserved
4 * Author(s): Vikas Manocha, <vikas.manocha@st.com> for STMicroelectronics.
10 enum stm32_gpio_port {
11 STM32_GPIO_PORT_A = 0,
41 enum stm32_gpio_mode {
42 STM32_GPIO_MODE_IN = 0,
48 enum stm32_gpio_otype {
49 STM32_GPIO_OTYPE_PP = 0,
53 enum stm32_gpio_speed {
54 STM32_GPIO_SPEED_2M = 0,
60 enum stm32_gpio_pupd {
61 STM32_GPIO_PUPD_NO = 0,
85 struct stm32_gpio_dsc {
86 enum stm32_gpio_port port;
87 enum stm32_gpio_pin pin;
90 struct stm32_gpio_ctl {
91 enum stm32_gpio_mode mode;
92 enum stm32_gpio_otype otype;
93 enum stm32_gpio_speed speed;
94 enum stm32_gpio_pupd pupd;
95 enum stm32_gpio_af af;
98 struct stm32_gpio_regs {
99 u32 moder; /* GPIO port mode */
100 u32 otyper; /* GPIO port output type */
101 u32 ospeedr; /* GPIO port output speed */
102 u32 pupdr; /* GPIO port pull-up/pull-down */
103 u32 idr; /* GPIO port input data */
104 u32 odr; /* GPIO port output data */
105 u32 bsrr; /* GPIO port bit set/reset */
106 u32 lckr; /* GPIO port configuration lock */
107 u32 afr[2]; /* GPIO alternate function */
110 struct stm32_gpio_priv {
111 struct stm32_gpio_regs *regs;
114 #endif /* _GPIO_H_ */