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ramips: add common gpio-buttons device

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SVN-Revision: 19404
This commit is contained in:
Gabor Juhos 2010-01-30 15:25:20 +00:00
parent 4af1f533bb
commit 9327f02b7b
8 changed files with 97 additions and 1 deletions
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31
target/linux/ramips/files/arch/mips/include/asm/mach-ralink/dev-gpio-buttons.h Normal file
View file

@ -0,0 +1,31 @@
/*
* Ralink SoC GPIO button support
*
* Copyright (C) 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.
*/
#ifndef __ASM_MACH_RALINK_DEV_GPIO_BUTTONS_H
#define __ASM_MACH_RALINK_DEV_GPIO_BUTTONS_H
#include <linux/input.h>
#include <linux/gpio_buttons.h>
#ifdef CONFIG_RALINK_DEV_GPIO_BUTTONS
void __init ramips_register_gpio_buttons(int id,
unsigned poll_interval,
unsigned nbuttons,
struct gpio_button *buttons);
#else
static inline void ramips_register_gpio_buttons(int id,
unsigned poll_interval,
unsigned nbuttons,
struct gpio_button *buttons);
{
}
#endif
#endif /* __ASM_MACH_RALINK_DEV_GPIO_BUTTONS_H */

3
target/linux/ramips/files/arch/mips/ralink/Kconfig
View file

@ -48,6 +48,9 @@ config SOC_RT305X
select SYS_HAS_EARLY_PRINTK
select MIPS_MACHINE
config RALINK_DEV_GPIO_BUTTONS
def_bool n
config RALINK_DEV_GPIO_LEDS
def_bool n

3
target/linux/ramips/files/arch/mips/ralink/common/Makefile
View file

@ -1,7 +1,7 @@
#
# Makefile for the Ralink common stuff
#
# Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
# 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
@ -9,4 +9,5 @@
obj-y := prom.o setup.o intc.o gpio.o
obj-$(CONFIG_RALINK_DEV_GPIO_BUTTONS) += dev-gpio-buttons.o
obj-$(CONFIG_RALINK_DEV_GPIO_LEDS) += dev-gpio-leds.o

57
target/linux/ramips/files/arch/mips/ralink/common/dev-gpio-buttons.c Normal file
View file

@ -0,0 +1,57 @@
/*
* Ralink SoC GPIO button support
*
* Copyright (C) 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 <asm/mach-ralink/dev-gpio-buttons.h>
void __init ramips_register_gpio_buttons(int id,
unsigned poll_interval,
unsigned nbuttons,
struct gpio_button *buttons)
{
struct platform_device *pdev;
struct gpio_buttons_platform_data pdata;
struct gpio_button *p;
int err;
p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL);
if (!p)
return;
memcpy(p, buttons, nbuttons * sizeof(*p));
pdev = platform_device_alloc("gpio-buttons", id);
if (!pdev)
goto err_free_buttons;
memset(&pdata, 0, sizeof(pdata));
pdata.poll_interval = poll_interval;
pdata.nbuttons = nbuttons;
pdata.buttons = p;
err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
if (err)
goto err_put_pdev;
err = platform_device_add(pdev);
if (err)
goto err_put_pdev;
return;
err_put_pdev:
platform_device_put(pdev);
err_free_buttons:
kfree(p);
}

1
target/linux/ramips/rt288x/config-2.6.30
View file

@ -113,6 +113,7 @@ CONFIG_PHYLIB=y
# CONFIG_PNX8550_JBS is not set
# CONFIG_PNX8550_STB810 is not set
# CONFIG_PROBE_INITRD_HEADER is not set
# CONFIG_RALINK_DEV_GPIO_BUTTONS is not set
CONFIG_RALINK_DEV_GPIO_LEDS=y
CONFIG_RALINK_RT288X=y
# CONFIG_RALINK_RT305X is not set

1
target/linux/ramips/rt288x/config-2.6.32
View file

@ -116,6 +116,7 @@ CONFIG_PHYLIB=y
# CONFIG_PNX8550_JBS is not set
# CONFIG_PNX8550_STB810 is not set
# CONFIG_PROBE_INITRD_HEADER is not set
# CONFIG_RALINK_DEV_GPIO_BUTTONS is not set
CONFIG_RALINK_DEV_GPIO_LEDS=y
CONFIG_RALINK_RT288X=y
# CONFIG_RALINK_RT305X is not set

1
target/linux/ramips/rt305x/config-2.6.30
View file

@ -109,6 +109,7 @@ CONFIG_PHYLIB=y
# CONFIG_PNX8550_JBS is not set
# CONFIG_PNX8550_STB810 is not set
# CONFIG_PROBE_INITRD_HEADER is not set
# CONFIG_RALINK_DEV_GPIO_BUTTONS is not set
CONFIG_RALINK_DEV_GPIO_LEDS=y
# CONFIG_RALINK_RT288X is not set
CONFIG_RALINK_RT305X=y

1
target/linux/ramips/rt305x/config-2.6.32
View file

@ -112,6 +112,7 @@ CONFIG_PHYLIB=y
# CONFIG_PNX8550_JBS is not set
# CONFIG_PNX8550_STB810 is not set
# CONFIG_PROBE_INITRD_HEADER is not set
# CONFIG_RALINK_DEV_GPIO_BUTTONS is not set
CONFIG_RALINK_DEV_GPIO_LEDS=y
# CONFIG_RALINK_RT288X is not set
CONFIG_RALINK_RT305X=y