| /* 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 */ |