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/*
* 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>
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# include <linux/gpio.h>
# include <linux/i2c.h>
# include <linux/i2c-gpio.h>
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# include <mach/hardware.h>
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# include <mach/fb.h>
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# include <asm/mach-types.h>
# include <asm/mach/arch.h>
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static void __init edb93xx_register_flash ( void )
{
if ( machine_is_edb9307 ( ) | | machine_is_edb9312 ( ) | |
machine_is_edb9315 ( ) ) {
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ep93xx_register_flash ( 4 , EP93XX_CS6_PHYS_BASE , SZ_32M ) ;
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} else {
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ep93xx_register_flash ( 2 , EP93XX_CS6_PHYS_BASE , SZ_16M ) ;
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}
}
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static struct ep93xx_eth_data __initdata edb93xx_eth_data = {
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. phy_id = 1 ,
} ;
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/*************************************************************************
* EDB93xx i2c peripheral handling
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static struct i2c_gpio_platform_data __initdata edb93xx_i2c_gpio_data = {
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. 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 [ ] = {
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{
I2C_BOARD_INFO ( " isl1208 " , 0x6f ) ,
} ,
} ;
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static struct i2c_board_info __initdata edb93xx_i2c_board_info [ ] = {
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{
I2C_BOARD_INFO ( " ds1337 " , 0x68 ) ,
} ,
} ;
static void __init edb93xx_register_i2c ( void )
{
if ( machine_is_edb9302a ( ) | | machine_is_edb9307a ( ) | |
machine_is_edb9315a ( ) ) {
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ep93xx_register_i2c ( & edb93xx_i2c_gpio_data ,
edb93xxa_i2c_board_info ,
ARRAY_SIZE ( edb93xxa_i2c_board_info ) ) ;
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} else if ( machine_is_edb9307 ( ) | | machine_is_edb9312 ( ) | |
machine_is_edb9315 ( ) ) {
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ep93xx_register_i2c ( & edb93xx_i2c_gpio_data ,
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edb93xx_i2c_board_info ,
ARRAY_SIZE ( edb93xx_i2c_board_info ) ) ;
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}
}
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/*************************************************************************
* 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 ) ;
}
}
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/*************************************************************************
* 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 ) ;
}
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static void __init edb93xx_init_machine ( void )
{
ep93xx_init_devices ( ) ;
edb93xx_register_flash ( ) ;
ep93xx_register_eth ( & edb93xx_eth_data , 1 ) ;
edb93xx_register_i2c ( ) ;
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edb93xx_register_pwm ( ) ;
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edb93xx_register_fb ( ) ;
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}
# ifdef CONFIG_MACH_EDB9301
MACHINE_START ( EDB9301 , " Cirrus Logic EDB9301 Evaluation Board " )
/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
. boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100 ,
. map_io = ep93xx_map_io ,
. init_irq = ep93xx_init_irq ,
. timer = & ep93xx_timer ,
. init_machine = edb93xx_init_machine ,
MACHINE_END
# endif
# ifdef CONFIG_MACH_EDB9302
MACHINE_START ( EDB9302 , " Cirrus Logic EDB9302 Evaluation Board " )
/* Maintainer: George Kashperko <george@chas.com.ua> */
. boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100 ,
. map_io = ep93xx_map_io ,
. init_irq = ep93xx_init_irq ,
. timer = & ep93xx_timer ,
. init_machine = edb93xx_init_machine ,
MACHINE_END
# endif
# ifdef CONFIG_MACH_EDB9302A
MACHINE_START ( EDB9302A , " Cirrus Logic EDB9302A Evaluation Board " )
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
. boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100 ,
. map_io = ep93xx_map_io ,
. init_irq = ep93xx_init_irq ,
. timer = & ep93xx_timer ,
. init_machine = edb93xx_init_machine ,
MACHINE_END
# endif
# ifdef CONFIG_MACH_EDB9307
MACHINE_START ( EDB9307 , " Cirrus Logic EDB9307 Evaluation Board " )
/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
. boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100 ,
. map_io = ep93xx_map_io ,
. init_irq = ep93xx_init_irq ,
. timer = & ep93xx_timer ,
. init_machine = edb93xx_init_machine ,
MACHINE_END
# endif
# ifdef CONFIG_MACH_EDB9307A
MACHINE_START ( EDB9307A , " Cirrus Logic EDB9307A Evaluation Board " )
/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
. boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100 ,
. map_io = ep93xx_map_io ,
. init_irq = ep93xx_init_irq ,
. timer = & ep93xx_timer ,
. init_machine = edb93xx_init_machine ,
MACHINE_END
# endif
# ifdef CONFIG_MACH_EDB9312
MACHINE_START ( EDB9312 , " Cirrus Logic EDB9312 Evaluation Board " )
/* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
. boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100 ,
. map_io = ep93xx_map_io ,
. init_irq = ep93xx_init_irq ,
. timer = & ep93xx_timer ,
. init_machine = edb93xx_init_machine ,
MACHINE_END
# endif
# ifdef CONFIG_MACH_EDB9315
MACHINE_START ( EDB9315 , " Cirrus Logic EDB9315 Evaluation Board " )
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
. boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100 ,
. map_io = ep93xx_map_io ,
. init_irq = ep93xx_init_irq ,
. timer = & ep93xx_timer ,
. init_machine = edb93xx_init_machine ,
MACHINE_END
# endif
# ifdef CONFIG_MACH_EDB9315A
MACHINE_START ( EDB9315A , " Cirrus Logic EDB9315A Evaluation Board " )
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
. boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100 ,
. map_io = ep93xx_map_io ,
. init_irq = ep93xx_init_irq ,
. timer = & ep93xx_timer ,
. init_machine = edb93xx_init_machine ,
MACHINE_END
# endif
