Lines Matching full:ssp
2 PXA2xx SPI on SSP driver HOWTO
9 - Support for any PXA2xx and compatible SSP.
10 - SSP PIO and SSP DMA data transfers.
35 The "pxa2xx_spi_controller.enable_dma" field informs the driver that SSP DMA should
67 .id = 2, /* Bus number, MUST MATCH SSP number 1..n */
109 used to configure the SSP hardware FIFO. These fields are critical to the
120 the PXA2xx "Developer Manual" sections on the DMA controller and SSP Controllers
121 to determine the correct value. An SSP configured for byte-wide transfers would
126 trailing bytes in the SSP receiver FIFO. The correct value for this field is
128 slave device. Please note that the PXA2xx SSP 1 does not support trailing byte
131 The "pxa2xx_spi_chip.enable_loopback" field is used to place the SSP porting
132 into internal loopback mode. In this mode the SSP controller internally
138 NULL, the pxa2xx_spi master controller driver assumes that the SSP port is
174 .tx_threshold = 8, /* SSP hardward FIFO threshold */
175 .rx_threshold = 8, /* SSP hardward FIFO threshold */
182 .tx_threshold = 8, /* SSP hardward FIFO threshold */
183 .rx_threshold = 8, /* SSP hardward FIFO threshold */
192 .max_speed_hz = 3686400, /* Run SSP as fast a possbile */
201 .max_speed_hz = 3686400, /* Run SSP as fast a possbile */