mirror of
https://github.com/hardkernel/kernel_common_drivers.git
synced 2026-06-25 12:03:48 +09:00
Qianggui Song
77cc50034b
PD#SWPL-166758 Problem: Some customer neeed to support gpio sysfs in gki mode Solution: Porting common gpiolib-sysfs to common_driver Verify: T7_an400 & txhd2_be311 Change-Id: I72f60644fa383abe05409bfe0bf978c7ea901d92 Signed-off-by: Qianggui Song <qianggui.song@amlogic.com>
42 lines
869 B
C
42 lines
869 B
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __AML_GPIO_H__
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#define __AML_GPIO_H__
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#include <linux/bug.h>
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#include <linux/err.h>
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#include <linux/kernel.h>
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#include <linux/gpio/driver.h>
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enum gpiod_pull_type {
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GPIOD_PULL_DIS = 0,
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GPIOD_PULL_DOWN = 1,
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GPIOD_PULL_UP = 2,
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};
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#ifdef CONFIG_GPIOLIB
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int gpiod_set_pull(struct gpio_desc *desc, unsigned int value);
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#else /* CONFIG_GPIOLIB */
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static inline int gpiod_set_pull(struct gpio_desc *desc, unsigned int value)
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{
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/* GPIO can never have been requested */
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WARN_ON(1);
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return -EINVAL;
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}
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#endif /* CONFIG_GPIOLIB */
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#if IS_ENABLED(CONFIG_AMLOGIC_GPIOLIB_SYSFS)
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int gpiochip_sysfs_register(struct gpio_device *gdev);
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#else
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static inline int gpiochip_sysfs_register(struct gpio_device *gdev)
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{
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return 0;
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}
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#endif
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#endif //__AML_GPIO_H__
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