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Commit 0cde7228 authored by Gabor Juhos's avatar Gabor Juhos Committed by Ralf Baechle
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MIPS: ath79: add initial support for the Atheros PB44 reference board 



Signed-off-by: default avatarGabor Juhos <juhosg@openwrt.org>
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Luis R. Rodriguez <lrodriguez@atheros.com>
Cc: Cliff Holden <Cliff.Holden@Atheros.com>
Cc: Kathy Giori <Kathy.Giori@Atheros.com>
Patchwork: https://patchwork.linux-mips.org/patch/1950/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 0aabf1a4

arch/mips/ath79/Kconfig

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if ATH79



menu "Atheros AR71XX/AR724X/AR913X machine selection"



config ATH79_MACH_PB44

	bool "Atheros PB44 reference board"

	select SOC_AR71XX

	help

	  Say 'Y' here if you want your kernel to support the

	  Atheros PB44 reference board.



endmenu



config SOC_AR71XX

	def_bool n

arch/mips/ath79/Makefile

+5 −0
Original line number Diff line number Diff line
@@ -16,3 +16,8 @@ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o 
# Devices

#

obj-y					+= dev-common.o



#

# Machines

#

obj-$(CONFIG_ATH79_MACH_PB44)		+= mach-pb44.o

arch/mips/ath79/mach-pb44.c

0 → 100644
+56 −0
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/*

 *  Atheros PB44 reference board support

 *

 *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>

 *

 *  This program is free software; you can redistribute it and/or modify it

 *  under the terms of the GNU General Public License version 2 as published

 *  by the Free Software Foundation.

 */



#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/i2c.h>

#include <linux/i2c-gpio.h>

#include <linux/i2c/pcf857x.h>



#include "machtypes.h"



#define PB44_GPIO_I2C_SCL	0

#define PB44_GPIO_I2C_SDA	1



#define PB44_GPIO_EXP_BASE	16



static struct i2c_gpio_platform_data pb44_i2c_gpio_data = {

	.sda_pin        = PB44_GPIO_I2C_SDA,

	.scl_pin        = PB44_GPIO_I2C_SCL,

};



static struct platform_device pb44_i2c_gpio_device = {

	.name		= "i2c-gpio",

	.id		= 0,

	.dev = {

		.platform_data	= &pb44_i2c_gpio_data,

	}

};



static struct pcf857x_platform_data pb44_pcf857x_data = {

	.gpio_base	= PB44_GPIO_EXP_BASE,

};



static struct i2c_board_info pb44_i2c_board_info[] __initdata = {

	{

		I2C_BOARD_INFO("pcf8575", 0x20),

		.platform_data  = &pb44_pcf857x_data,

	},

};



static void __init pb44_init(void)

{

	i2c_register_board_info(0, pb44_i2c_board_info,

				ARRAY_SIZE(pb44_i2c_board_info));

	platform_device_register(&pb44_i2c_gpio_device);

}



MIPS_MACHINE(ATH79_MACH_PB44, "PB44", "Atheros PB44 reference board",

	     pb44_init);

arch/mips/ath79/machtypes.h

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@@ -16,6 +16,7 @@ 


enum ath79_mach_type {

	ATH79_MACH_GENERIC = 0,

	ATH79_MACH_PB44,		/* Atheros PB44 reference board */

};



#endif /* _ATH79_MACHTYPE_H */