122 lines
2.6 KiB
C
122 lines
2.6 KiB
C
/*
|
|
* linux/arch/arm/mach-omap2/devices.c
|
|
*
|
|
* OMAP2 platform device setup/initialization
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
#include <linux/config.h>
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/io.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <asm/arch/tc.h>
|
|
#include <asm/arch/board.h>
|
|
#include <asm/arch/mux.h>
|
|
#include <asm/arch/gpio.h>
|
|
|
|
#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
|
|
|
|
#define OMAP2_I2C_BASE2 0x48072000
|
|
#define OMAP2_I2C_INT2 57
|
|
|
|
static struct resource i2c_resources2[] = {
|
|
{
|
|
.start = OMAP2_I2C_BASE2,
|
|
.end = OMAP2_I2C_BASE2 + 0x3f,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = OMAP2_I2C_INT2,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device omap_i2c_device2 = {
|
|
.name = "i2c_omap",
|
|
.id = 2,
|
|
.num_resources = ARRAY_SIZE(i2c_resources2),
|
|
.resource = i2c_resources2,
|
|
};
|
|
|
|
/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
|
|
static void omap_init_i2c(void)
|
|
{
|
|
/* REVISIT: Second I2C not in use on H4? */
|
|
if (machine_is_omap_h4())
|
|
return;
|
|
|
|
omap_cfg_reg(J15_24XX_I2C2_SCL);
|
|
omap_cfg_reg(H19_24XX_I2C2_SDA);
|
|
(void) platform_device_register(&omap_i2c_device2);
|
|
}
|
|
|
|
#else
|
|
|
|
static void omap_init_i2c(void) {}
|
|
|
|
#endif
|
|
|
|
#if defined(CONFIG_OMAP_STI)
|
|
|
|
#define OMAP2_STI_BASE IO_ADDRESS(0x48068000)
|
|
#define OMAP2_STI_CHANNEL_BASE 0x54000000
|
|
#define OMAP2_STI_IRQ 4
|
|
|
|
static struct resource sti_resources[] = {
|
|
{
|
|
.start = OMAP2_STI_BASE,
|
|
.end = OMAP2_STI_BASE + 0x7ff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = OMAP2_STI_CHANNEL_BASE,
|
|
.end = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = OMAP2_STI_IRQ,
|
|
.flags = IORESOURCE_IRQ,
|
|
}
|
|
};
|
|
|
|
static struct platform_device sti_device = {
|
|
.name = "sti",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(sti_resources),
|
|
.resource = sti_resources,
|
|
};
|
|
|
|
static inline void omap_init_sti(void)
|
|
{
|
|
platform_device_register(&sti_device);
|
|
}
|
|
#else
|
|
static inline void omap_init_sti(void) {}
|
|
#endif
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
static int __init omap2_init_devices(void)
|
|
{
|
|
/* please keep these calls, and their implementations above,
|
|
* in alphabetical order so they're easier to sort through.
|
|
*/
|
|
omap_init_i2c();
|
|
omap_init_sti();
|
|
|
|
return 0;
|
|
}
|
|
arch_initcall(omap2_init_devices);
|
|
|