diff options
Diffstat (limited to 'qemu/roms/u-boot/arch/sandbox/include/asm/gpio.h')
-rw-r--r-- | qemu/roms/u-boot/arch/sandbox/include/asm/gpio.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/qemu/roms/u-boot/arch/sandbox/include/asm/gpio.h b/qemu/roms/u-boot/arch/sandbox/include/asm/gpio.h deleted file mode 100644 index 95b59da6b..000000000 --- a/qemu/roms/u-boot/arch/sandbox/include/asm/gpio.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * This is the interface to the sandbox GPIO driver for test code which - * wants to change the GPIO values reported to U-Boot. - * - * Copyright (c) 2011 The Chromium OS Authors. - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_SANDBOX_GPIO_H -#define __ASM_SANDBOX_GPIO_H - -/* - * We use the generic interface, and add a back-channel. - * - * The back-channel functions are declared in this file. They should not be used - * except in test code. - * - * Test code can, for example, call sandbox_gpio_set_value() to set the value of - * a simulated GPIO. From then on, normal code in U-Boot will see this new - * value when it calls gpio_get_value(). - * - * NOTE: DO NOT use the functions in this file except in test code! - */ -#include <asm-generic/gpio.h> - -/** - * Return the simulated value of a GPIO (used only in sandbox test code) - * - * @param gp GPIO number - * @return -1 on error, 0 if GPIO is low, >0 if high - */ -int sandbox_gpio_get_value(struct device *dev, unsigned int offset); - -/** - * Set the simulated value of a GPIO (used only in sandbox test code) - * - * @param gp GPIO number - * @param value value to set (0 for low, non-zero for high) - * @return -1 on error, 0 if ok - */ -int sandbox_gpio_set_value(struct device *dev, unsigned int offset, int value); - -/** - * Return the simulated direction of a GPIO (used only in sandbox test code) - * - * @param gp GPIO number - * @return -1 on error, 0 if GPIO is input, >0 if output - */ -int sandbox_gpio_get_direction(struct device *dev, unsigned int offset); - -/** - * Set the simulated direction of a GPIO (used only in sandbox test code) - * - * @param gp GPIO number - * @param output 0 to set as input, 1 to set as output - * @return -1 on error, 0 if ok - */ -int sandbox_gpio_set_direction(struct device *dev, unsigned int offset, - int output); - -#endif |