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/* Copyright (c) 2010-2014 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/of_platform.h>
#include <linux/delay.h>
#include <asm/mach/arch.h>
static const char * const qcom_dt_match[] __initconst = {
"qcom,apq8064",
"qcom,apq8074-dragonboard",
"qcom,apq8084",
"qcom,msm8660-surf",
"qcom,msm8960-cdp",
NULL
};
static void __init qcom_late_init(void)
{
struct device_node *node;
int reset_gpio, ret;
for_each_compatible_node(node, NULL, "atheros,ath6kl") {
of_node_put(node);
reset_gpio = of_get_named_gpio(node, "reset-gpio", 0);
if (reset_gpio < 0)
return;
ret = gpio_request_one(reset_gpio,
GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "reset");
if (ret)
return;
udelay(100);
gpio_set_value(reset_gpio, 0);
udelay(100);
gpio_set_value(reset_gpio, 1);
}
}
DT_MACHINE_START(QCOM_DT, "Qualcomm (Flattened Device Tree)")
.init_late = qcom_late_init,
.dt_compat = qcom_dt_match,
MACHINE_END
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