2009-05-05 02:09:25 +08:00
|
|
|
/*
|
|
|
|
* arch/arm/mach-ep93xx/edb93xx.c
|
|
|
|
* Cirrus Logic EDB93xx Development Board support.
|
|
|
|
*
|
|
|
|
* EDB93XX, EDB9301, EDB9307A
|
|
|
|
* Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com>
|
|
|
|
*
|
|
|
|
* EDB9302
|
|
|
|
* Copyright (C) 2006 George Kashperko <george@chas.com.ua>
|
|
|
|
*
|
|
|
|
* EDB9302A, EDB9315, EDB9315A
|
|
|
|
* Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
|
|
|
|
*
|
|
|
|
* EDB9307
|
|
|
|
* Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
|
|
|
|
*
|
|
|
|
* EDB9312
|
|
|
|
* Copyright (C) 2006 Infosys Technologies Limited
|
|
|
|
* Toufeeq Hussain <toufeeq_hussain@infosys.com>
|
|
|
|
*
|
|
|
|
* 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/kernel.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/platform_device.h>
|
2009-10-08 07:45:00 +08:00
|
|
|
#include <linux/gpio.h>
|
|
|
|
#include <linux/i2c.h>
|
|
|
|
#include <linux/i2c-gpio.h>
|
2011-03-03 17:53:52 +08:00
|
|
|
#include <linux/spi/spi.h>
|
|
|
|
|
|
|
|
#include <sound/cs4271.h>
|
2009-07-07 00:39:50 +08:00
|
|
|
|
2009-05-05 02:09:25 +08:00
|
|
|
#include <mach/hardware.h>
|
2011-01-28 00:50:53 +08:00
|
|
|
#include <mach/fb.h>
|
2011-03-03 17:53:52 +08:00
|
|
|
#include <mach/ep93xx_spi.h>
|
2011-09-22 15:07:00 +08:00
|
|
|
#include <mach/gpio-ep93xx.h>
|
2009-07-07 00:39:50 +08:00
|
|
|
|
2011-09-28 03:07:05 +08:00
|
|
|
#include <asm/hardware/vic.h>
|
2009-05-05 02:09:25 +08:00
|
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
|
|
|
2012-01-11 06:06:08 +08:00
|
|
|
#include "soc.h"
|
2009-07-07 00:39:50 +08:00
|
|
|
|
2009-05-05 02:09:25 +08:00
|
|
|
static void __init edb93xx_register_flash(void)
|
|
|
|
{
|
|
|
|
if (machine_is_edb9307() || machine_is_edb9312() ||
|
|
|
|
machine_is_edb9315()) {
|
2010-06-10 23:19:08 +08:00
|
|
|
ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
|
2009-05-05 02:09:25 +08:00
|
|
|
} else {
|
2010-06-10 23:19:08 +08:00
|
|
|
ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
|
2009-05-05 02:09:25 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-03-19 01:04:06 +08:00
|
|
|
static struct ep93xx_eth_data __initdata edb93xx_eth_data = {
|
2009-05-05 02:09:25 +08:00
|
|
|
.phy_id = 1,
|
|
|
|
};
|
|
|
|
|
2009-10-08 07:45:00 +08:00
|
|
|
|
|
|
|
/*************************************************************************
|
|
|
|
* EDB93xx i2c peripheral handling
|
|
|
|
*************************************************************************/
|
2010-03-19 01:04:06 +08:00
|
|
|
static struct i2c_gpio_platform_data __initdata edb93xx_i2c_gpio_data = {
|
2009-10-08 07:45:00 +08:00
|
|
|
.sda_pin = EP93XX_GPIO_LINE_EEDAT,
|
|
|
|
.sda_is_open_drain = 0,
|
|
|
|
.scl_pin = EP93XX_GPIO_LINE_EECLK,
|
|
|
|
.scl_is_open_drain = 0,
|
|
|
|
.udelay = 0, /* default to 100 kHz */
|
|
|
|
.timeout = 0, /* default to 100 ms */
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
|
2009-05-05 02:09:25 +08:00
|
|
|
{
|
|
|
|
I2C_BOARD_INFO("isl1208", 0x6f),
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2009-10-08 07:45:00 +08:00
|
|
|
static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
|
2009-05-05 02:09:25 +08:00
|
|
|
{
|
|
|
|
I2C_BOARD_INFO("ds1337", 0x68),
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static void __init edb93xx_register_i2c(void)
|
|
|
|
{
|
|
|
|
if (machine_is_edb9302a() || machine_is_edb9307a() ||
|
|
|
|
machine_is_edb9315a()) {
|
2009-10-08 07:45:00 +08:00
|
|
|
ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
|
|
|
|
edb93xxa_i2c_board_info,
|
|
|
|
ARRAY_SIZE(edb93xxa_i2c_board_info));
|
2009-05-05 02:09:25 +08:00
|
|
|
} else if (machine_is_edb9307() || machine_is_edb9312() ||
|
|
|
|
machine_is_edb9315()) {
|
2009-10-14 08:56:10 +08:00
|
|
|
ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
|
2009-10-08 07:45:00 +08:00
|
|
|
edb93xx_i2c_board_info,
|
|
|
|
ARRAY_SIZE(edb93xx_i2c_board_info));
|
2009-05-05 02:09:25 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-01-12 04:38:00 +08:00
|
|
|
|
2011-03-03 17:53:52 +08:00
|
|
|
/*************************************************************************
|
|
|
|
* EDB93xx SPI peripheral handling
|
|
|
|
*************************************************************************/
|
|
|
|
static struct cs4271_platform_data edb93xx_cs4271_data = {
|
|
|
|
.gpio_nreset = -EINVAL, /* filled in later */
|
|
|
|
};
|
|
|
|
|
|
|
|
static int edb93xx_cs4271_hw_setup(struct spi_device *spi)
|
|
|
|
{
|
|
|
|
return gpio_request_one(EP93XX_GPIO_LINE_EGPIO6,
|
|
|
|
GPIOF_OUT_INIT_HIGH, spi->modalias);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void edb93xx_cs4271_hw_cleanup(struct spi_device *spi)
|
|
|
|
{
|
|
|
|
gpio_free(EP93XX_GPIO_LINE_EGPIO6);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void edb93xx_cs4271_hw_cs_control(struct spi_device *spi, int value)
|
|
|
|
{
|
|
|
|
gpio_set_value(EP93XX_GPIO_LINE_EGPIO6, value);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ep93xx_spi_chip_ops edb93xx_cs4271_hw = {
|
|
|
|
.setup = edb93xx_cs4271_hw_setup,
|
|
|
|
.cleanup = edb93xx_cs4271_hw_cleanup,
|
|
|
|
.cs_control = edb93xx_cs4271_hw_cs_control,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct spi_board_info edb93xx_spi_board_info[] __initdata = {
|
|
|
|
{
|
|
|
|
.modalias = "cs4271",
|
|
|
|
.platform_data = &edb93xx_cs4271_data,
|
|
|
|
.controller_data = &edb93xx_cs4271_hw,
|
|
|
|
.max_speed_hz = 6000000,
|
|
|
|
.bus_num = 0,
|
|
|
|
.chip_select = 0,
|
|
|
|
.mode = SPI_MODE_3,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct ep93xx_spi_info edb93xx_spi_info __initdata = {
|
|
|
|
.num_chipselect = ARRAY_SIZE(edb93xx_spi_board_info),
|
|
|
|
};
|
|
|
|
|
|
|
|
static void __init edb93xx_register_spi(void)
|
|
|
|
{
|
|
|
|
if (machine_is_edb9301() || machine_is_edb9302())
|
|
|
|
edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO1;
|
|
|
|
else if (machine_is_edb9302a() || machine_is_edb9307a())
|
|
|
|
edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_H(2);
|
|
|
|
else if (machine_is_edb9315a())
|
|
|
|
edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO14;
|
|
|
|
|
|
|
|
ep93xx_register_spi(&edb93xx_spi_info, edb93xx_spi_board_info,
|
|
|
|
ARRAY_SIZE(edb93xx_spi_board_info));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*************************************************************************
|
|
|
|
* EDB93xx I2S
|
|
|
|
*************************************************************************/
|
2011-09-11 17:28:54 +08:00
|
|
|
static struct platform_device edb93xx_audio_device = {
|
|
|
|
.name = "edb93xx-audio",
|
|
|
|
.id = -1,
|
|
|
|
};
|
|
|
|
|
2011-03-03 17:53:52 +08:00
|
|
|
static int __init edb93xx_has_audio(void)
|
|
|
|
{
|
|
|
|
return (machine_is_edb9301() || machine_is_edb9302() ||
|
|
|
|
machine_is_edb9302a() || machine_is_edb9307a() ||
|
|
|
|
machine_is_edb9315a());
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __init edb93xx_register_i2s(void)
|
|
|
|
{
|
|
|
|
if (edb93xx_has_audio()) {
|
|
|
|
ep93xx_register_i2s();
|
2011-09-11 17:28:54 +08:00
|
|
|
platform_device_register(&edb93xx_audio_device);
|
2011-03-03 17:53:52 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-01-12 04:38:00 +08:00
|
|
|
/*************************************************************************
|
|
|
|
* EDB93xx pwm
|
|
|
|
*************************************************************************/
|
|
|
|
static void __init edb93xx_register_pwm(void)
|
|
|
|
{
|
|
|
|
if (machine_is_edb9301() ||
|
|
|
|
machine_is_edb9302() || machine_is_edb9302a()) {
|
|
|
|
/* EP9301 and EP9302 only have pwm.1 (EGPIO14) */
|
|
|
|
ep93xx_register_pwm(0, 1);
|
|
|
|
} else if (machine_is_edb9307() || machine_is_edb9307a()) {
|
|
|
|
/* EP9307 only has pwm.0 (PWMOUT) */
|
|
|
|
ep93xx_register_pwm(1, 0);
|
|
|
|
} else {
|
|
|
|
/* EP9312 and EP9315 have both */
|
|
|
|
ep93xx_register_pwm(1, 1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-01-28 00:50:53 +08:00
|
|
|
/*************************************************************************
|
|
|
|
* EDB93xx framebuffer
|
|
|
|
*************************************************************************/
|
|
|
|
static struct ep93xxfb_mach_info __initdata edb93xxfb_info = {
|
|
|
|
.num_modes = EP93XXFB_USE_MODEDB,
|
|
|
|
.bpp = 16,
|
|
|
|
.flags = 0,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init edb93xx_has_fb(void)
|
|
|
|
{
|
|
|
|
/* These platforms have an ep93xx with video capability */
|
|
|
|
return machine_is_edb9307() || machine_is_edb9307a() ||
|
|
|
|
machine_is_edb9312() || machine_is_edb9315() ||
|
|
|
|
machine_is_edb9315a();
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __init edb93xx_register_fb(void)
|
|
|
|
{
|
|
|
|
if (!edb93xx_has_fb())
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (machine_is_edb9307a() || machine_is_edb9315a())
|
|
|
|
edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN0;
|
|
|
|
else
|
|
|
|
edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN3;
|
|
|
|
|
|
|
|
ep93xx_register_fb(&edb93xxfb_info);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-05-05 02:09:25 +08:00
|
|
|
static void __init edb93xx_init_machine(void)
|
|
|
|
{
|
|
|
|
ep93xx_init_devices();
|
|
|
|
edb93xx_register_flash();
|
|
|
|
ep93xx_register_eth(&edb93xx_eth_data, 1);
|
|
|
|
edb93xx_register_i2c();
|
2011-03-03 17:53:52 +08:00
|
|
|
edb93xx_register_spi();
|
|
|
|
edb93xx_register_i2s();
|
2010-01-12 04:38:00 +08:00
|
|
|
edb93xx_register_pwm();
|
2011-01-28 00:50:53 +08:00
|
|
|
edb93xx_register_fb();
|
2009-05-05 02:09:25 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_EDB9301
|
|
|
|
MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
|
|
|
|
/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
|
2011-07-06 10:38:11 +08:00
|
|
|
.atag_offset = 0x100,
|
2009-05-05 02:09:25 +08:00
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
2011-09-28 03:07:05 +08:00
|
|
|
.handle_irq = vic_handle_irq,
|
2009-05-05 02:09:25 +08:00
|
|
|
.timer = &ep93xx_timer,
|
|
|
|
.init_machine = edb93xx_init_machine,
|
2012-04-26 10:05:15 +08:00
|
|
|
.init_late = ep93xx_init_late,
|
2011-11-05 17:54:14 +08:00
|
|
|
.restart = ep93xx_restart,
|
2009-05-05 02:09:25 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_EDB9302
|
|
|
|
MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
|
|
|
|
/* Maintainer: George Kashperko <george@chas.com.ua> */
|
2011-07-06 10:38:11 +08:00
|
|
|
.atag_offset = 0x100,
|
2009-05-05 02:09:25 +08:00
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
2011-09-28 03:07:05 +08:00
|
|
|
.handle_irq = vic_handle_irq,
|
2009-05-05 02:09:25 +08:00
|
|
|
.timer = &ep93xx_timer,
|
|
|
|
.init_machine = edb93xx_init_machine,
|
2012-04-26 10:05:15 +08:00
|
|
|
.init_late = ep93xx_init_late,
|
2011-11-05 17:54:14 +08:00
|
|
|
.restart = ep93xx_restart,
|
2009-05-05 02:09:25 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_EDB9302A
|
|
|
|
MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
|
|
|
|
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
|
2011-07-06 10:38:11 +08:00
|
|
|
.atag_offset = 0x100,
|
2009-05-05 02:09:25 +08:00
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
2011-09-28 03:07:05 +08:00
|
|
|
.handle_irq = vic_handle_irq,
|
2009-05-05 02:09:25 +08:00
|
|
|
.timer = &ep93xx_timer,
|
|
|
|
.init_machine = edb93xx_init_machine,
|
2012-04-26 10:05:15 +08:00
|
|
|
.init_late = ep93xx_init_late,
|
2011-11-05 17:54:14 +08:00
|
|
|
.restart = ep93xx_restart,
|
2009-05-05 02:09:25 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_EDB9307
|
|
|
|
MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
|
|
|
|
/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
|
2011-07-06 10:38:11 +08:00
|
|
|
.atag_offset = 0x100,
|
2009-05-05 02:09:25 +08:00
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
2011-09-28 03:07:05 +08:00
|
|
|
.handle_irq = vic_handle_irq,
|
2009-05-05 02:09:25 +08:00
|
|
|
.timer = &ep93xx_timer,
|
|
|
|
.init_machine = edb93xx_init_machine,
|
2012-04-26 10:05:15 +08:00
|
|
|
.init_late = ep93xx_init_late,
|
2011-11-05 17:54:14 +08:00
|
|
|
.restart = ep93xx_restart,
|
2009-05-05 02:09:25 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_EDB9307A
|
|
|
|
MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
|
|
|
|
/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
|
2011-07-06 10:38:11 +08:00
|
|
|
.atag_offset = 0x100,
|
2009-05-05 02:09:25 +08:00
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
2011-09-28 03:07:05 +08:00
|
|
|
.handle_irq = vic_handle_irq,
|
2009-05-05 02:09:25 +08:00
|
|
|
.timer = &ep93xx_timer,
|
|
|
|
.init_machine = edb93xx_init_machine,
|
2012-04-26 10:05:15 +08:00
|
|
|
.init_late = ep93xx_init_late,
|
2011-11-05 17:54:14 +08:00
|
|
|
.restart = ep93xx_restart,
|
2009-05-05 02:09:25 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_EDB9312
|
|
|
|
MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
|
|
|
|
/* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
|
2011-07-06 10:38:11 +08:00
|
|
|
.atag_offset = 0x100,
|
2009-05-05 02:09:25 +08:00
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
2011-09-28 03:07:05 +08:00
|
|
|
.handle_irq = vic_handle_irq,
|
2009-05-05 02:09:25 +08:00
|
|
|
.timer = &ep93xx_timer,
|
|
|
|
.init_machine = edb93xx_init_machine,
|
2012-04-26 10:05:15 +08:00
|
|
|
.init_late = ep93xx_init_late,
|
2011-11-05 17:54:14 +08:00
|
|
|
.restart = ep93xx_restart,
|
2009-05-05 02:09:25 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_EDB9315
|
|
|
|
MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
|
|
|
|
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
|
2011-07-06 10:38:11 +08:00
|
|
|
.atag_offset = 0x100,
|
2009-05-05 02:09:25 +08:00
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
2011-09-28 03:07:05 +08:00
|
|
|
.handle_irq = vic_handle_irq,
|
2009-05-05 02:09:25 +08:00
|
|
|
.timer = &ep93xx_timer,
|
|
|
|
.init_machine = edb93xx_init_machine,
|
2012-04-26 10:05:15 +08:00
|
|
|
.init_late = ep93xx_init_late,
|
2011-11-05 17:54:14 +08:00
|
|
|
.restart = ep93xx_restart,
|
2009-05-05 02:09:25 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACH_EDB9315A
|
|
|
|
MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
|
|
|
|
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
|
2011-07-06 10:38:11 +08:00
|
|
|
.atag_offset = 0x100,
|
2009-05-05 02:09:25 +08:00
|
|
|
.map_io = ep93xx_map_io,
|
|
|
|
.init_irq = ep93xx_init_irq,
|
2011-09-28 03:07:05 +08:00
|
|
|
.handle_irq = vic_handle_irq,
|
2009-05-05 02:09:25 +08:00
|
|
|
.timer = &ep93xx_timer,
|
|
|
|
.init_machine = edb93xx_init_machine,
|
2012-04-26 10:05:15 +08:00
|
|
|
.init_late = ep93xx_init_late,
|
2011-11-05 17:54:14 +08:00
|
|
|
.restart = ep93xx_restart,
|
2009-05-05 02:09:25 +08:00
|
|
|
MACHINE_END
|
|
|
|
#endif
|