u-boot/arch/arm/mach-davinci/include/mach/gpio.h
Adam Ford 8e51c0f254 dm: gpio: Add DM compatibility to GPIO driver for Davinci
This adds DM_GPIO support for the davinici GPIO driver with
DT support.

Signed-off-by: Adam Ford <aford173@gmail.com>
2018-06-18 14:43:12 -04:00

78 lines
2 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2009 Texas Instruments Incorporated
*/
#ifndef _GPIO_DEFS_H_
#define _GPIO_DEFS_H_
#ifndef CONFIG_SOC_DA8XX
#define DAVINCI_GPIO_BINTEN 0x01C67008
#define DAVINCI_GPIO_BANK01 0x01C67010
#define DAVINCI_GPIO_BANK23 0x01C67038
#define DAVINCI_GPIO_BANK45 0x01C67060
#define DAVINCI_GPIO_BANK67 0x01C67088
#else /* CONFIG_SOC_DA8XX */
#define DAVINCI_GPIO_BINTEN 0x01E26008
#define DAVINCI_GPIO_BANK01 0x01E26010
#define DAVINCI_GPIO_BANK23 0x01E26038
#define DAVINCI_GPIO_BANK45 0x01E26060
#define DAVINCI_GPIO_BANK67 0x01E26088
#define DAVINCI_GPIO_BANK8 0x01E260B0
#endif /* CONFIG_SOC_DA8XX */
struct davinci_gpio {
unsigned int dir;
unsigned int out_data;
unsigned int set_data;
unsigned int clr_data;
unsigned int in_data;
unsigned int set_rising;
unsigned int clr_rising;
unsigned int set_falling;
unsigned int clr_falling;
unsigned int intstat;
};
struct davinci_gpio_bank {
int num_gpio;
unsigned int irq_num;
unsigned int irq_mask;
unsigned long *in_use;
struct davinci_gpio *base;
};
#define davinci_gpio_bank01 ((struct davinci_gpio *)DAVINCI_GPIO_BANK01)
#define davinci_gpio_bank23 ((struct davinci_gpio *)DAVINCI_GPIO_BANK23)
#define davinci_gpio_bank45 ((struct davinci_gpio *)DAVINCI_GPIO_BANK45)
#define davinci_gpio_bank67 ((struct davinci_gpio *)DAVINCI_GPIO_BANK67)
#define davinci_gpio_bank8 ((struct davinci_gpio *)DAVINCI_GPIO_BANK8)
#ifndef CONFIG_DM_GPIO
#define gpio_status() gpio_info()
#endif
#define GPIO_NAME_SIZE 20
#if defined(CONFIG_SOC_DM644X)
/* GPIO0 to GPIO53, omit the V3.3 volts one */
#define MAX_NUM_GPIOS 70
#elif defined(CONFIG_SOC_DA8XX) && !defined(CONFIG_SOC_DA850)
#define MAX_NUM_GPIOS 128
#else
#define MAX_NUM_GPIOS 144
#endif
#define GPIO_BANK(gp) (davinci_gpio_bank01 + ((gp) >> 5))
#define GPIO_BIT(gp) ((gp) & 0x1F)
void gpio_info(void);
#ifdef CONFIG_DM_GPIO
/* Information about a GPIO bank */
struct davinci_gpio_platdata {
int bank_index;
ulong base; /* address of registers in physical memory */
const char *port_name;
};
#endif
#endif