u-boot/arch/powerpc/include/asm/arch-mpc83xx/gpio.h
Christophe Leroy e1fff66079 gpio: Add QUICC Engine GPIOs driver
The mpc832x has GPIOs handled by the QUICC Engine.
The registers are different from the one for the
non QE mpc83xx GPIOs.

Implement a GPIO driver for those.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
2023-04-06 14:50:03 +02:00

35 lines
730 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef _MPC83XX_GPIO_H_
#define _MPC83XX_GPIO_H_
/*
* The MCP83xx's 1-2 GPIO controllers each with 32 bits.
*/
#if defined(CONFIG_ARCH_MPC8313) || defined(CONFIG_ARCH_MPC8308)
#define MPC83XX_GPIO_CTRLRS 1
#elif defined(CONFIG_ARCH_MPC834X) || defined(CONFIG_ARCH_MPC837X)
#define MPC83XX_GPIO_CTRLRS 2
#else
#define MPC83XX_GPIO_CTRLRS 0
#endif
#define MAX_NUM_GPIOS (32 * MPC83XX_GPIO_CTRLRS)
struct mpc8xxx_gpio_plat {
ulong addr;
unsigned long size;
uint ngpios;
};
struct qe_gpio_plat {
ulong addr;
unsigned long size;
};
#ifndef DM_GPIO
void mpc83xx_gpio_init_f(void);
void mpc83xx_gpio_init_r(void);
#endif /* DM_GPIO */
#endif /* MPC83XX_GPIO_H_ */