26 lines
724 B
C
26 lines
724 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __LINUX_SPI_GPIO_H
|
|
#define __LINUX_SPI_GPIO_H
|
|
|
|
/*
|
|
* For each bitbanged SPI bus, set up a platform_device node with:
|
|
* - name "spi_gpio"
|
|
* - id the same as the SPI bus number it implements
|
|
* - dev.platform data pointing to a struct spi_gpio_platform_data
|
|
*
|
|
* Use spi_board_info with these busses in the usual way.
|
|
*
|
|
* If the bitbanged bus is later switched to a "native" controller,
|
|
* that platform_device and controller_data should be removed.
|
|
*/
|
|
|
|
/**
|
|
* struct spi_gpio_platform_data - parameter for bitbanged SPI master
|
|
* @num_chipselect: how many slaves to allow
|
|
*/
|
|
struct spi_gpio_platform_data {
|
|
u16 num_chipselect;
|
|
};
|
|
|
|
#endif /* __LINUX_SPI_GPIO_H */
|