--- a/arch/mips/ar231x/Makefile +++ b/arch/mips/ar231x/Makefile @@ -8,7 +8,7 @@ # Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org> # -obj-y += board.o prom.o devices.o +obj-y += board.o prom.o devices.o reset.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o --- /dev/null +++ b/arch/mips/ar231x/reset.c @@ -0,0 +1,58 @@ +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <ar231x_platform.h> +#include <ar231x.h> +#include "devices.h" + +static int __init +ar231x_init_reset(void) +{ + struct platform_device *pdev; + struct gpio_keys_platform_data pdata; + struct gpio_keys_button *p; + int err; + + if (ar231x_board.config->reset_config_gpio == 0xffff) + return -ENODEV; + + p = kzalloc(sizeof(*p), GFP_KERNEL); + if (!p) + goto err; + + p->desc = "reset"; + p->type = EV_KEY; + p->code = KEY_RESTART; + p->debounce_interval = 60; + p->gpio = ar231x_board.config->reset_config_gpio; + + memset(&pdata, 0, sizeof(pdata)); + pdata.poll_interval = 20; + pdata.buttons = p; + pdata.nbuttons = 1; + + pdev = platform_device_alloc("gpio-keys-polled", 0); + if (!pdev) + goto err_free; + + 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 0; + +err_put_pdev: + platform_device_put(pdev); +err_free: + kfree(p); +err: + return -ENOMEM; +} + +module_init(ar231x_init_reset);