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/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_GPIO_SIGNAL_H
#define __CROS_EC_GPIO_SIGNAL_H
#include <devicetree.h>
#define GPIO_SIGNAL(id) _CONCAT(GPIO_, id)
#define GPIO_SIGNAL_WITH_COMMA(id) GPIO_SIGNAL(id),
enum gpio_signal {
#if DT_NODE_EXISTS(DT_PATH(named_gpios))
DT_FOREACH_CHILD(DT_PATH(named_gpios), GPIO_SIGNAL_WITH_COMMA)
#endif
GPIO_COUNT
};
#undef GPIO_SIGNAL_WITH_COMMA
/** @brief Converts a node identifier under named gpios to enum
*
* Converts the specified node identifier name, which should be nested under
* the named_gpios node, into the correct enum gpio_signal that can be used
* with platform/ec gpio API
*/
#define NAMED_GPIO(name) GPIO_SIGNAL(DT_PATH(named_gpios, name))
#endif /* __CROS_EC_GPIO_SIGNAL_H */
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