3 * Vikas Manocha, <vikas.manocha@st.com>
5 * SPDX-License-Identifier: GPL-2.0+
11 enum stm32_gpio_port {
12 STM32_GPIO_PORT_A = 0,
42 enum stm32_gpio_mode {
43 STM32_GPIO_MODE_IN = 0,
49 enum stm32_gpio_otype {
50 STM32_GPIO_OTYPE_PP = 0,
54 enum stm32_gpio_speed {
55 STM32_GPIO_SPEED_2M = 0,
61 enum stm32_gpio_pupd {
62 STM32_GPIO_PUPD_NO = 0,
86 struct stm32_gpio_dsc {
87 enum stm32_gpio_port port;
88 enum stm32_gpio_pin pin;
91 struct stm32_gpio_ctl {
92 enum stm32_gpio_mode mode;
93 enum stm32_gpio_otype otype;
94 enum stm32_gpio_speed speed;
95 enum stm32_gpio_pupd pupd;
96 enum stm32_gpio_af af;
99 struct stm32_gpio_regs {
100 u32 moder; /* GPIO port mode */
101 u32 otyper; /* GPIO port output type */
102 u32 ospeedr; /* GPIO port output speed */
103 u32 pupdr; /* GPIO port pull-up/pull-down */
104 u32 idr; /* GPIO port input data */
105 u32 odr; /* GPIO port output data */
106 u32 bsrr; /* GPIO port bit set/reset */
107 u32 lckr; /* GPIO port configuration lock */
108 u32 afr[2]; /* GPIO alternate function */
111 struct stm32_gpio_priv {
112 struct stm32_gpio_regs *regs;
115 static inline unsigned stm32_gpio_to_port(unsigned gpio)
120 static inline unsigned stm32_gpio_to_pin(unsigned gpio)
125 #endif /* _STM32_GPIO_H_ */