treewide: fix replace nbd@openwrt.org with nbd@nbd.name
[openwrt.org/openwrt.git] / target / linux / ath25 / patches-3.18 / 210-reset_button.patch
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--- a/arch/mips/ath25/Makefile
+++ b/arch/mips/ath25/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/ath25/reset.c
@@ -0,0 +1,57 @@
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <ath25_platform.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 (ath25_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 = ath25_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);
 
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