101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
* linux/arch/arm/mach-mmp/teton_bga.c
|
||
|
|
*
|
||
|
|
* Support for the Marvell PXA168 Teton BGA Development Platform.
|
||
|
|
*
|
||
|
|
* Author: Mark F. Brown <mark.brown314@gmail.com>
|
||
|
|
*
|
||
|
|
* This code is based on aspenite.c
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <linux/gpio.h>
|
||
|
|
#include <linux/gpio-pxa.h>
|
||
|
|
#include <linux/input.h>
|
||
|
|
#include <linux/platform_data/keypad-pxa27x.h>
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
|
||
|
|
#include <asm/mach-types.h>
|
||
|
|
#include <asm/mach/arch.h>
|
||
|
|
#include "addr-map.h"
|
||
|
|
#include "mfp-pxa168.h"
|
||
|
|
#include "pxa168.h"
|
||
|
|
#include "teton_bga.h"
|
||
|
|
#include "irqs.h"
|
||
|
|
|
||
|
|
#include "common.h"
|
||
|
|
|
||
|
|
static unsigned long teton_bga_pin_config[] __initdata = {
|
||
|
|
/* UART1 */
|
||
|
|
GPIO107_UART1_TXD,
|
||
|
|
GPIO108_UART1_RXD,
|
||
|
|
|
||
|
|
/* Keypad */
|
||
|
|
GPIO109_KP_MKIN1,
|
||
|
|
GPIO110_KP_MKIN0,
|
||
|
|
GPIO111_KP_MKOUT7,
|
||
|
|
GPIO112_KP_MKOUT6,
|
||
|
|
|
||
|
|
/* I2C Bus */
|
||
|
|
GPIO105_CI2C_SDA,
|
||
|
|
GPIO106_CI2C_SCL,
|
||
|
|
|
||
|
|
/* RTC */
|
||
|
|
GPIO78_GPIO,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct pxa_gpio_platform_data pxa168_gpio_pdata = {
|
||
|
|
.irq_base = MMP_GPIO_TO_IRQ(0),
|
||
|
|
};
|
||
|
|
|
||
|
|
static unsigned int teton_bga_matrix_key_map[] = {
|
||
|
|
KEY(0, 6, KEY_ESC),
|
||
|
|
KEY(0, 7, KEY_ENTER),
|
||
|
|
KEY(1, 6, KEY_LEFT),
|
||
|
|
KEY(1, 7, KEY_RIGHT),
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct matrix_keymap_data teton_bga_matrix_keymap_data = {
|
||
|
|
.keymap = teton_bga_matrix_key_map,
|
||
|
|
.keymap_size = ARRAY_SIZE(teton_bga_matrix_key_map),
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
|
||
|
|
.matrix_key_rows = 2,
|
||
|
|
.matrix_key_cols = 8,
|
||
|
|
.matrix_keymap_data = &teton_bga_matrix_keymap_data,
|
||
|
|
.debounce_interval = 30,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
|
||
|
|
{
|
||
|
|
I2C_BOARD_INFO("ds1337", 0x68),
|
||
|
|
.irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO)
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static void __init teton_bga_init(void)
|
||
|
|
{
|
||
|
|
mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
|
||
|
|
|
||
|
|
/* on-chip devices */
|
||
|
|
pxa168_add_uart(1);
|
||
|
|
pxa168_add_keypad(&teton_bga_keypad_info);
|
||
|
|
pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
|
||
|
|
platform_device_add_data(&pxa168_device_gpio, &pxa168_gpio_pdata,
|
||
|
|
sizeof(struct pxa_gpio_platform_data));
|
||
|
|
platform_device_register(&pxa168_device_gpio);
|
||
|
|
}
|
||
|
|
|
||
|
|
MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
|
||
|
|
.map_io = mmp_map_io,
|
||
|
|
.nr_irqs = MMP_NR_IRQS,
|
||
|
|
.init_irq = pxa168_init_irq,
|
||
|
|
.init_time = pxa168_timer_init,
|
||
|
|
.init_machine = teton_bga_init,
|
||
|
|
.restart = pxa168_restart,
|
||
|
|
MACHINE_END
|