Merge tag 'reset-for-v5.3' of git://git.pengutronix.de/git/pza/linux into arm/drivers
[sfrench/cifs-2.6.git] / arch / arm / mach-mmp / teton_bga.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  linux/arch/arm/mach-mmp/teton_bga.c
4  *
5  *  Support for the Marvell PXA168 Teton BGA Development Platform.
6  *
7  *  Author: Mark F. Brown <mark.brown314@gmail.com>
8  *
9  *  This code is based on aspenite.c
10  */
11
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/platform_device.h>
15 #include <linux/gpio.h>
16 #include <linux/gpio-pxa.h>
17 #include <linux/input.h>
18 #include <linux/platform_data/keypad-pxa27x.h>
19 #include <linux/i2c.h>
20
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include "addr-map.h"
24 #include "mfp-pxa168.h"
25 #include "pxa168.h"
26 #include "teton_bga.h"
27 #include "irqs.h"
28
29 #include "common.h"
30
31 static unsigned long teton_bga_pin_config[] __initdata = {
32         /* UART1 */
33         GPIO107_UART1_TXD,
34         GPIO108_UART1_RXD,
35
36         /* Keypad */
37         GPIO109_KP_MKIN1,
38         GPIO110_KP_MKIN0,
39         GPIO111_KP_MKOUT7,
40         GPIO112_KP_MKOUT6,
41
42         /* I2C Bus */
43         GPIO105_CI2C_SDA,
44         GPIO106_CI2C_SCL,
45
46         /* RTC */
47         GPIO78_GPIO,
48 };
49
50 static struct pxa_gpio_platform_data pxa168_gpio_pdata = {
51         .irq_base       = MMP_GPIO_TO_IRQ(0),
52 };
53
54 static unsigned int teton_bga_matrix_key_map[] = {
55         KEY(0, 6, KEY_ESC),
56         KEY(0, 7, KEY_ENTER),
57         KEY(1, 6, KEY_LEFT),
58         KEY(1, 7, KEY_RIGHT),
59 };
60
61 static struct matrix_keymap_data teton_bga_matrix_keymap_data = {
62         .keymap                 = teton_bga_matrix_key_map,
63         .keymap_size            = ARRAY_SIZE(teton_bga_matrix_key_map),
64 };
65
66 static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
67         .matrix_key_rows        = 2,
68         .matrix_key_cols        = 8,
69         .matrix_keymap_data     = &teton_bga_matrix_keymap_data,
70         .debounce_interval      = 30,
71 };
72
73 static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
74         {
75                 I2C_BOARD_INFO("ds1337", 0x68),
76                 .irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO)
77         },
78 };
79
80 static void __init teton_bga_init(void)
81 {
82         mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
83
84         /* on-chip devices */
85         pxa168_add_uart(1);
86         pxa168_add_keypad(&teton_bga_keypad_info);
87         pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
88         platform_device_add_data(&pxa168_device_gpio, &pxa168_gpio_pdata,
89                                  sizeof(struct pxa_gpio_platform_data));
90         platform_device_register(&pxa168_device_gpio);
91 }
92
93 MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
94         .map_io         = mmp_map_io,
95         .nr_irqs        = MMP_NR_IRQS,
96         .init_irq       = pxa168_init_irq,
97         .init_time      = pxa168_timer_init,
98         .init_machine   = teton_bga_init,
99         .restart        = pxa168_restart,
100 MACHINE_END