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