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- /* 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 */
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