168 lines
3.5 KiB
C
168 lines
3.5 KiB
C
/*
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* linux/arch/arm/mach-omap2/devices.c
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*
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* OMAP2 platform device setup/initialization
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <asm/hardware.h>
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#include <asm/io.h>
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#include <asm/mach-types.h>
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#include <asm/mach/map.h>
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#include <asm/arch/tc.h>
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#include <asm/arch/board.h>
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#include <asm/arch/mux.h>
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#include <asm/arch/gpio.h>
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#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
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#define OMAP2_I2C_BASE2 0x48072000
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#define OMAP2_I2C_INT2 57
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static struct resource i2c_resources2[] = {
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{
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.start = OMAP2_I2C_BASE2,
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.end = OMAP2_I2C_BASE2 + 0x3f,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = OMAP2_I2C_INT2,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device omap_i2c_device2 = {
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.name = "i2c_omap",
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.id = 2,
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.num_resources = ARRAY_SIZE(i2c_resources2),
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.resource = i2c_resources2,
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};
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/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
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static void omap_init_i2c(void)
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{
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/* REVISIT: Second I2C not in use on H4? */
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if (machine_is_omap_h4())
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return;
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omap_cfg_reg(J15_24XX_I2C2_SCL);
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omap_cfg_reg(H19_24XX_I2C2_SDA);
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(void) platform_device_register(&omap_i2c_device2);
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}
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#else
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static void omap_init_i2c(void) {}
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#endif
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#if defined(CONFIG_OMAP_STI)
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#define OMAP2_STI_BASE IO_ADDRESS(0x48068000)
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#define OMAP2_STI_CHANNEL_BASE 0x54000000
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#define OMAP2_STI_IRQ 4
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static struct resource sti_resources[] = {
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{
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.start = OMAP2_STI_BASE,
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.end = OMAP2_STI_BASE + 0x7ff,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = OMAP2_STI_CHANNEL_BASE,
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.end = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = OMAP2_STI_IRQ,
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.flags = IORESOURCE_IRQ,
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}
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};
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static struct platform_device sti_device = {
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.name = "sti",
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.id = -1,
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.num_resources = ARRAY_SIZE(sti_resources),
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.resource = sti_resources,
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};
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static inline void omap_init_sti(void)
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{
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platform_device_register(&sti_device);
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}
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#else
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static inline void omap_init_sti(void) {}
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#endif
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#if defined(CONFIG_SPI_OMAP24XX)
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#include <asm/arch/mcspi.h>
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#define OMAP2_MCSPI1_BASE 0x48098000
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#define OMAP2_MCSPI2_BASE 0x4809a000
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/* FIXME: use resources instead */
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static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
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.base = io_p2v(OMAP2_MCSPI1_BASE),
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.num_cs = 4,
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};
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struct platform_device omap2_mcspi1 = {
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.name = "omap2_mcspi",
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.id = 1,
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.dev = {
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.platform_data = &omap2_mcspi1_config,
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},
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};
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static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
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.base = io_p2v(OMAP2_MCSPI2_BASE),
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.num_cs = 2,
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};
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struct platform_device omap2_mcspi2 = {
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.name = "omap2_mcspi",
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.id = 2,
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.dev = {
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.platform_data = &omap2_mcspi2_config,
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},
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};
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static void omap_init_mcspi(void)
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{
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platform_device_register(&omap2_mcspi1);
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platform_device_register(&omap2_mcspi2);
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}
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#else
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static inline void omap_init_mcspi(void) {}
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#endif
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/*-------------------------------------------------------------------------*/
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static int __init omap2_init_devices(void)
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{
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/* please keep these calls, and their implementations above,
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* in alphabetical order so they're easier to sort through.
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*/
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omap_init_i2c();
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omap_init_mcspi();
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omap_init_sti();
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return 0;
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}
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arch_initcall(omap2_init_devices);
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