/* 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 . * @ sda_is_output_only : SDA output drivers can ' t be turned off . * This is for clients that can only read SDA / SCL . * @ sda_has_no_pullup : SDA is used in a non - compliant way and has no pull - up . * Therefore disable open - drain . * @ 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 . * @ scl_has_no_pullup : SCL is used in a non - compliant way and has no pull - up . * Therefore disable open - drain . struct i2c_gpio_platform_data {int udelay;int timeout;unsigned int sda_is_open_drain:1 ;unsigned int sda_is_output_only:1 ;unsigned int sda_has_no_pullup:1 ;unsigned int scl_is_open_drain:1 ;unsigned int scl_is_output_only:1 ;unsigned int scl_has_no_pullup:1 ;#endif /* _LINUX_I2C_GPIO_H */
Messung V0.5 in Prozent C=92 H=88 G=89
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(vorverarbeitet am 2026-09-27)
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