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