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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * OMAP15xx specific gpio init
4 *
5 * Copyright (C) 2010 Texas Instruments Incorporated - https://www.ti.com/
6 *
7 * Author:
8 * Charulatha V <charu@ti.com>
9 */
10
11#include <linux/platform_data/gpio-omap.h>
12#include <linux/soc/ti/omap1-soc.h>
13#include <asm/irq.h>
14
15#include "irqs.h"
16
17#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
18#define OMAP1510_GPIO_BASE 0xFFFCE000
19
20/* gpio1 */
21static struct resource omap15xx_mpu_gpio_resources[] = {
22 {
23 .start = OMAP1_MPUIO_VBASE,
24 .end = OMAP1_MPUIO_VBASE + SZ_2K - 1,
25 .flags = IORESOURCE_MEM,
26 },
27 {
28 .start = INT_MPUIO,
29 .flags = IORESOURCE_IRQ,
30 },
31};
32
33static struct omap_gpio_reg_offs omap15xx_mpuio_regs = {
34 .revision = USHRT_MAX,
35 .direction = OMAP_MPUIO_IO_CNTL,
36 .datain = OMAP_MPUIO_INPUT_LATCH,
37 .dataout = OMAP_MPUIO_OUTPUT,
38 .irqstatus = OMAP_MPUIO_GPIO_INT,
39 .irqenable = OMAP_MPUIO_GPIO_MASKIT,
40 .irqenable_inv = true,
41 .irqctrl = OMAP_MPUIO_GPIO_INT_EDGE,
42};
43
44static struct omap_gpio_platform_data omap15xx_mpu_gpio_config = {
45 .is_mpuio = true,
46 .bank_width = 16,
47 .bank_stride = 1,
48 .regs = &omap15xx_mpuio_regs,
49};
50
51static struct platform_device omap15xx_mpu_gpio = {
52 .name = "omap_gpio",
53 .id = 0,
54 .dev = {
55 .platform_data = &omap15xx_mpu_gpio_config,
56 },
57 .num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources),
58 .resource = omap15xx_mpu_gpio_resources,
59};
60
61/* gpio2 */
62static struct resource omap15xx_gpio_resources[] = {
63 {
64 .start = OMAP1510_GPIO_BASE,
65 .end = OMAP1510_GPIO_BASE + SZ_2K - 1,
66 .flags = IORESOURCE_MEM,
67 },
68 {
69 .start = INT_GPIO_BANK1,
70 .flags = IORESOURCE_IRQ,
71 },
72};
73
74static struct omap_gpio_reg_offs omap15xx_gpio_regs = {
75 .revision = USHRT_MAX,
76 .direction = OMAP1510_GPIO_DIR_CONTROL,
77 .datain = OMAP1510_GPIO_DATA_INPUT,
78 .dataout = OMAP1510_GPIO_DATA_OUTPUT,
79 .irqstatus = OMAP1510_GPIO_INT_STATUS,
80 .irqenable = OMAP1510_GPIO_INT_MASK,
81 .irqenable_inv = true,
82 .irqctrl = OMAP1510_GPIO_INT_CONTROL,
83 .pinctrl = OMAP1510_GPIO_PIN_CONTROL,
84};
85
86static struct omap_gpio_platform_data omap15xx_gpio_config = {
87 .bank_width = 16,
88 .regs = &omap15xx_gpio_regs,
89};
90
91static struct platform_device omap15xx_gpio = {
92 .name = "omap_gpio",
93 .id = 1,
94 .dev = {
95 .platform_data = &omap15xx_gpio_config,
96 },
97 .num_resources = ARRAY_SIZE(omap15xx_gpio_resources),
98 .resource = omap15xx_gpio_resources,
99};
100
101/*
102 * omap15xx_gpio_init needs to be done before
103 * machine_init functions access gpio APIs.
104 * Hence omap15xx_gpio_init is a postcore_initcall.
105 */
106static int __init omap15xx_gpio_init(void)
107{
108 if (!cpu_is_omap15xx())
109 return -EINVAL;
110
111 platform_device_register(&omap15xx_mpu_gpio);
112 platform_device_register(&omap15xx_gpio);
113
114 return 0;
115}
116postcore_initcall(omap15xx_gpio_init);
1/*
2 * OMAP15xx specific gpio init
3 *
4 * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 * Author:
7 * Charulatha V <charu@ti.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation version 2.
12 *
13 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
14 * kind, whether express or implied; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#include <linux/gpio.h>
20
21#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
22#define OMAP1510_GPIO_BASE 0xFFFCE000
23
24/* gpio1 */
25static struct __initdata resource omap15xx_mpu_gpio_resources[] = {
26 {
27 .start = OMAP1_MPUIO_VBASE,
28 .end = OMAP1_MPUIO_VBASE + SZ_2K - 1,
29 .flags = IORESOURCE_MEM,
30 },
31 {
32 .start = INT_MPUIO,
33 .flags = IORESOURCE_IRQ,
34 },
35};
36
37static struct omap_gpio_reg_offs omap15xx_mpuio_regs = {
38 .revision = USHRT_MAX,
39 .direction = OMAP_MPUIO_IO_CNTL,
40 .datain = OMAP_MPUIO_INPUT_LATCH,
41 .dataout = OMAP_MPUIO_OUTPUT,
42 .irqstatus = OMAP_MPUIO_GPIO_INT,
43 .irqenable = OMAP_MPUIO_GPIO_MASKIT,
44 .irqenable_inv = true,
45};
46
47static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = {
48 .virtual_irq_start = IH_MPUIO_BASE,
49 .bank_type = METHOD_MPUIO,
50 .bank_width = 16,
51 .bank_stride = 1,
52 .regs = &omap15xx_mpuio_regs,
53};
54
55static struct platform_device omap15xx_mpu_gpio = {
56 .name = "omap_gpio",
57 .id = 0,
58 .dev = {
59 .platform_data = &omap15xx_mpu_gpio_config,
60 },
61 .num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources),
62 .resource = omap15xx_mpu_gpio_resources,
63};
64
65/* gpio2 */
66static struct __initdata resource omap15xx_gpio_resources[] = {
67 {
68 .start = OMAP1510_GPIO_BASE,
69 .end = OMAP1510_GPIO_BASE + SZ_2K - 1,
70 .flags = IORESOURCE_MEM,
71 },
72 {
73 .start = INT_GPIO_BANK1,
74 .flags = IORESOURCE_IRQ,
75 },
76};
77
78static struct omap_gpio_reg_offs omap15xx_gpio_regs = {
79 .revision = USHRT_MAX,
80 .direction = OMAP1510_GPIO_DIR_CONTROL,
81 .datain = OMAP1510_GPIO_DATA_INPUT,
82 .dataout = OMAP1510_GPIO_DATA_OUTPUT,
83 .irqstatus = OMAP1510_GPIO_INT_STATUS,
84 .irqenable = OMAP1510_GPIO_INT_MASK,
85 .irqenable_inv = true,
86};
87
88static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = {
89 .virtual_irq_start = IH_GPIO_BASE,
90 .bank_type = METHOD_GPIO_1510,
91 .bank_width = 16,
92 .regs = &omap15xx_gpio_regs,
93};
94
95static struct platform_device omap15xx_gpio = {
96 .name = "omap_gpio",
97 .id = 1,
98 .dev = {
99 .platform_data = &omap15xx_gpio_config,
100 },
101 .num_resources = ARRAY_SIZE(omap15xx_gpio_resources),
102 .resource = omap15xx_gpio_resources,
103};
104
105/*
106 * omap15xx_gpio_init needs to be done before
107 * machine_init functions access gpio APIs.
108 * Hence omap15xx_gpio_init is a postcore_initcall.
109 */
110static int __init omap15xx_gpio_init(void)
111{
112 if (!cpu_is_omap15xx())
113 return -EINVAL;
114
115 platform_device_register(&omap15xx_mpu_gpio);
116 platform_device_register(&omap15xx_gpio);
117
118 gpio_bank_count = 2;
119 return 0;
120}
121postcore_initcall(omap15xx_gpio_init);