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//usr/src/linux-headers-5.4.0-216/include/linux/platform_data/i2c-gpio.h
/* SPDX-License-Identifier: GPL-2.0-only */ /* * i2c-gpio interface to platform code * * Copyright (C) 2007 Atmel Corporation */ #ifndef _LINUX_I2C_GPIO_H #define _LINUX_I2C_GPIO_H /** * struct i2c_gpio_platform_data - Platform-dependent data for i2c-gpio * @udelay: signal toggle delay. SCL frequency is (500 / udelay) kHz * @timeout: clock stretching timeout in jiffies. If the slave keeps * SCL low for longer than this, the transfer will time out. * @sda_is_open_drain: SDA is configured as open drain, i.e. the pin * isn't actively driven high when setting the output value high. * gpio_get_value() must return the actual pin state even if the * pin is configured as an output. * @scl_is_open_drain: SCL is set up as open drain. Same requirements * as for sda_is_open_drain apply. * @scl_is_output_only: SCL output drivers cannot be turned off. */ struct i2c_gpio_platform_data { int udelay; int timeout; unsigned int sda_is_open_drain:1; unsigned int scl_is_open_drain:1; unsigned int scl_is_output_only:1; }; #endif /* _LINUX_I2C_GPIO_H */