src/soc/mediatek/mt8188/gpio.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

/* SPDX-License-Identifier: GPL-2.0-only */

/*
 * This file is created based on MT8188 Functional Specification
 * Chapter number: 5.2
 */

#include <device/mmio.h>
#include <gpio.h>

void *gpio_find_reg_addr(gpio_t gpio)
{
	void *reg_addr;
	switch (gpio.base & 0x0f) {
	case 1:
		reg_addr = (void *)IOCFG_RM_BASE;
		break;
	case 2:
		reg_addr = (void *)IOCFG_LT_BASE;
		break;
	case 3:
		reg_addr = (void *)IOCFG_LM_BASE;
		break;
	case 4:
		reg_addr = (void *)IOCFG_RT_BASE;
		break;
	default:
		reg_addr = NULL;
		break;
	}

	return reg_addr;
}