1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * linux/arch/arm/mach-mmp/teton_bga.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Support for the Marvell PXA168 Teton BGA Development Platform.
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Author: Mark F. Brown <mark.brown314@gmail.com>
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * This code is based on aspenite.c
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/init.h>
13*4882a593Smuzhiyun #include <linux/kernel.h>
14*4882a593Smuzhiyun #include <linux/platform_device.h>
15*4882a593Smuzhiyun #include <linux/gpio.h>
16*4882a593Smuzhiyun #include <linux/gpio-pxa.h>
17*4882a593Smuzhiyun #include <linux/input.h>
18*4882a593Smuzhiyun #include <linux/platform_data/keypad-pxa27x.h>
19*4882a593Smuzhiyun #include <linux/i2c.h>
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun #include <asm/mach-types.h>
22*4882a593Smuzhiyun #include <asm/mach/arch.h>
23*4882a593Smuzhiyun #include "addr-map.h"
24*4882a593Smuzhiyun #include "mfp-pxa168.h"
25*4882a593Smuzhiyun #include "pxa168.h"
26*4882a593Smuzhiyun #include "teton_bga.h"
27*4882a593Smuzhiyun #include "irqs.h"
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun #include "common.h"
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun static unsigned long teton_bga_pin_config[] __initdata = {
32*4882a593Smuzhiyun /* UART1 */
33*4882a593Smuzhiyun GPIO107_UART1_TXD,
34*4882a593Smuzhiyun GPIO108_UART1_RXD,
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun /* Keypad */
37*4882a593Smuzhiyun GPIO109_KP_MKIN1,
38*4882a593Smuzhiyun GPIO110_KP_MKIN0,
39*4882a593Smuzhiyun GPIO111_KP_MKOUT7,
40*4882a593Smuzhiyun GPIO112_KP_MKOUT6,
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun /* I2C Bus */
43*4882a593Smuzhiyun GPIO105_CI2C_SDA,
44*4882a593Smuzhiyun GPIO106_CI2C_SCL,
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun /* RTC */
47*4882a593Smuzhiyun GPIO78_GPIO,
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun static struct pxa_gpio_platform_data pxa168_gpio_pdata = {
51*4882a593Smuzhiyun .irq_base = MMP_GPIO_TO_IRQ(0),
52*4882a593Smuzhiyun };
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun static unsigned int teton_bga_matrix_key_map[] = {
55*4882a593Smuzhiyun KEY(0, 6, KEY_ESC),
56*4882a593Smuzhiyun KEY(0, 7, KEY_ENTER),
57*4882a593Smuzhiyun KEY(1, 6, KEY_LEFT),
58*4882a593Smuzhiyun KEY(1, 7, KEY_RIGHT),
59*4882a593Smuzhiyun };
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun static struct matrix_keymap_data teton_bga_matrix_keymap_data = {
62*4882a593Smuzhiyun .keymap = teton_bga_matrix_key_map,
63*4882a593Smuzhiyun .keymap_size = ARRAY_SIZE(teton_bga_matrix_key_map),
64*4882a593Smuzhiyun };
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
67*4882a593Smuzhiyun .matrix_key_rows = 2,
68*4882a593Smuzhiyun .matrix_key_cols = 8,
69*4882a593Smuzhiyun .matrix_keymap_data = &teton_bga_matrix_keymap_data,
70*4882a593Smuzhiyun .debounce_interval = 30,
71*4882a593Smuzhiyun };
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
74*4882a593Smuzhiyun {
75*4882a593Smuzhiyun I2C_BOARD_INFO("ds1337", 0x68),
76*4882a593Smuzhiyun .irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO)
77*4882a593Smuzhiyun },
78*4882a593Smuzhiyun };
79*4882a593Smuzhiyun
teton_bga_init(void)80*4882a593Smuzhiyun static void __init teton_bga_init(void)
81*4882a593Smuzhiyun {
82*4882a593Smuzhiyun mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun /* on-chip devices */
85*4882a593Smuzhiyun pxa168_add_uart(1);
86*4882a593Smuzhiyun pxa168_add_keypad(&teton_bga_keypad_info);
87*4882a593Smuzhiyun pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
88*4882a593Smuzhiyun platform_device_add_data(&pxa168_device_gpio, &pxa168_gpio_pdata,
89*4882a593Smuzhiyun sizeof(struct pxa_gpio_platform_data));
90*4882a593Smuzhiyun platform_device_register(&pxa168_device_gpio);
91*4882a593Smuzhiyun }
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
94*4882a593Smuzhiyun .map_io = mmp_map_io,
95*4882a593Smuzhiyun .nr_irqs = MMP_NR_IRQS,
96*4882a593Smuzhiyun .init_irq = pxa168_init_irq,
97*4882a593Smuzhiyun .init_time = pxa168_timer_init,
98*4882a593Smuzhiyun .init_machine = teton_bga_init,
99*4882a593Smuzhiyun .restart = pxa168_restart,
100*4882a593Smuzhiyun MACHINE_END
101