1 /* SPDX-License-Identifier: GPL-2.0+ */
12  * The following internal functions are an MPC85XX-specific GPIO API which
13  * allows setting and querying multiple GPIOs in a single operation.
17  * memory-mapped IO operation or two.
19 static inline void mpc85xx_gpio_set(unsigned int mask,  in mpc85xx_gpio_set()
20 		unsigned int dir, unsigned int val)  in mpc85xx_gpio_set()
29 	dir |= (in_be32(&gpio->gpdir) & ~mask);  in mpc85xx_gpio_set()
30 	val |= (in_be32(&gpio->gpdat) & ~mask);  in mpc85xx_gpio_set()
37 	out_be32(&gpio->gpdat, val);  in mpc85xx_gpio_set()
38 	out_be32(&gpio->gpdir, dir);  in mpc85xx_gpio_set()
41 static inline void mpc85xx_gpio_set_in(unsigned int gpios)  in mpc85xx_gpio_set_in()  argument
43 	mpc85xx_gpio_set(gpios, 0x00000000, 0x00000000);  in mpc85xx_gpio_set_in()
46 static inline void mpc85xx_gpio_set_low(unsigned int gpios)  in mpc85xx_gpio_set_low()  argument
48 	mpc85xx_gpio_set(gpios, 0xFFFFFFFF, 0x00000000);  in mpc85xx_gpio_set_low()
51 static inline void mpc85xx_gpio_set_high(unsigned int gpios)  in mpc85xx_gpio_set_high()  argument
53 	mpc85xx_gpio_set(gpios, 0xFFFFFFFF, 0xFFFFFFFF);  in mpc85xx_gpio_set_high()
56 static inline unsigned int mpc85xx_gpio_get(unsigned int mask)  in mpc85xx_gpio_get()
61 	return in_be32(&gpio->gpdat) & mask;  in mpc85xx_gpio_get()
68 static inline int gpio_request(unsigned gpio, const char *label)  in gpio_request()
74 static inline int gpio_free(unsigned gpio)  in gpio_free()
80 static inline int gpio_direction_input(unsigned gpio)  in gpio_direction_input()
86 static inline int gpio_direction_output(unsigned gpio, int value)  in gpio_direction_output()
95 static inline int gpio_get_value(unsigned gpio)  in gpio_get_value()
100 static inline int gpio_set_value(unsigned gpio, int value)  in gpio_set_value()
109 static inline int gpio_is_valid(int gpio)  in gpio_is_valid()