diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2024-04-17 13:54:30 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-05-03 11:11:33 +0900 |
| commit | 2a45166938f145294b73445b0af997b3100f02b4 (patch) | |
| tree | 7e2f6e210787acfd489f80b7731b96f2ba11e493 /drivers/spi/spi-pxa2xx.h | |
| parent | 11346db50616698b04da44a62d4fac17d9227a62 (diff) | |
spi: pxa2xx: Move contents of linux/spi/pxa2xx_spi.h to a local one
There is no user of the linux/spi/pxa2xx_spi.h. Move its contents
to the drivers/spi/spi-pxa2xx.h.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240417110334.2671228-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-pxa2xx.h')
| -rw-r--r-- | drivers/spi/spi-pxa2xx.h | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index 45cdbbc71c4b..08296729ea80 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -7,6 +7,7 @@ #ifndef SPI_PXA2XX_H #define SPI_PXA2XX_H +#include <linux/dmaengine.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/types.h> @@ -15,7 +16,40 @@ #include <linux/pxa2xx_ssp.h> struct gpio_desc; -struct pxa2xx_spi_controller; + +/* + * The platform data for SSP controller devices + * (resides in device.platform_data). + */ +struct pxa2xx_spi_controller { + u8 num_chipselect; + u8 enable_dma; + u8 dma_burst_size; + bool is_target; + + /* DMA engine specific config */ + dma_filter_fn dma_filter; + void *tx_param; + void *rx_param; + + /* For non-PXA arches */ + struct ssp_device ssp; +}; + +/* + * The controller specific data for SPI target devices + * (resides in spi_board_info.controller_data), + * copied to spi_device.platform_data ... mostly for + * DMA tuning. + */ +struct pxa2xx_spi_chip { + u8 tx_threshold; + u8 tx_hi_threshold; + u8 rx_threshold; + u8 dma_burst_size; + u32 timeout; +}; + struct spi_controller; struct spi_device; struct spi_transfer; |