Commit 0cde72284c9c7d4b348ece9e1fe136f787185cd7
Committed by
Ralf Baechle
Ralf Baechle
1 parent
0aabf1a4d9
MIPS: ath79: add initial support for the Atheros PB44 reference board
Signed-off-by: Gabor 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: Ralf Baechle <ralf@linux-mips.org>
Showing 4 changed files with 73 additions and 0 deletions Side-by-side Diff
arch/mips/ath79/Kconfig
| 1 | 1 | if ATH79 |
| 2 | 2 | |
| 3 | +menu "Atheros AR71XX/AR724X/AR913X machine selection" | |
| 4 | + | |
| 5 | +config ATH79_MACH_PB44 | |
| 6 | + bool "Atheros PB44 reference board" | |
| 7 | + select SOC_AR71XX | |
| 8 | + help | |
| 9 | + Say 'Y' here if you want your kernel to support the | |
| 10 | + Atheros PB44 reference board. | |
| 11 | + | |
| 12 | +endmenu | |
| 13 | + | |
| 3 | 14 | config SOC_AR71XX |
| 4 | 15 | def_bool n |
| 5 | 16 |
arch/mips/ath79/Makefile
arch/mips/ath79/mach-pb44.c
| 1 | +/* | |
| 2 | + * Atheros PB44 reference board support | |
| 3 | + * | |
| 4 | + * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org> | |
| 5 | + * | |
| 6 | + * This program is free software; you can redistribute it and/or modify it | |
| 7 | + * under the terms of the GNU General Public License version 2 as published | |
| 8 | + * by the Free Software Foundation. | |
| 9 | + */ | |
| 10 | + | |
| 11 | +#include <linux/init.h> | |
| 12 | +#include <linux/platform_device.h> | |
| 13 | +#include <linux/i2c.h> | |
| 14 | +#include <linux/i2c-gpio.h> | |
| 15 | +#include <linux/i2c/pcf857x.h> | |
| 16 | + | |
| 17 | +#include "machtypes.h" | |
| 18 | + | |
| 19 | +#define PB44_GPIO_I2C_SCL 0 | |
| 20 | +#define PB44_GPIO_I2C_SDA 1 | |
| 21 | + | |
| 22 | +#define PB44_GPIO_EXP_BASE 16 | |
| 23 | + | |
| 24 | +static struct i2c_gpio_platform_data pb44_i2c_gpio_data = { | |
| 25 | + .sda_pin = PB44_GPIO_I2C_SDA, | |
| 26 | + .scl_pin = PB44_GPIO_I2C_SCL, | |
| 27 | +}; | |
| 28 | + | |
| 29 | +static struct platform_device pb44_i2c_gpio_device = { | |
| 30 | + .name = "i2c-gpio", | |
| 31 | + .id = 0, | |
| 32 | + .dev = { | |
| 33 | + .platform_data = &pb44_i2c_gpio_data, | |
| 34 | + } | |
| 35 | +}; | |
| 36 | + | |
| 37 | +static struct pcf857x_platform_data pb44_pcf857x_data = { | |
| 38 | + .gpio_base = PB44_GPIO_EXP_BASE, | |
| 39 | +}; | |
| 40 | + | |
| 41 | +static struct i2c_board_info pb44_i2c_board_info[] __initdata = { | |
| 42 | + { | |
| 43 | + I2C_BOARD_INFO("pcf8575", 0x20), | |
| 44 | + .platform_data = &pb44_pcf857x_data, | |
| 45 | + }, | |
| 46 | +}; | |
| 47 | + | |
| 48 | +static void __init pb44_init(void) | |
| 49 | +{ | |
| 50 | + i2c_register_board_info(0, pb44_i2c_board_info, | |
| 51 | + ARRAY_SIZE(pb44_i2c_board_info)); | |
| 52 | + platform_device_register(&pb44_i2c_gpio_device); | |
| 53 | +} | |
| 54 | + | |
| 55 | +MIPS_MACHINE(ATH79_MACH_PB44, "PB44", "Atheros PB44 reference board", | |
| 56 | + pb44_init); |