3  * Xilinx Zynq UltraScale+ MPSoC Quad-SPI (QSPI) controller driver
26 /* Generic QSPI register offsets */
143  * struct zynqmp_qspi - Defines qspi driver instance
144  * @regs:		Virtual address of the QSPI controller registers
158  * @mode:		Defines the mode in which QSPI is operating
256  * The default settings of the QSPI controller's configurable parameters on
268  *	- Enable the QSPI controller
356  * @qspi:	Pointer to the spi_device structure
359 static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high)  in zynqmp_qspi_chipselect()  argument
361 	struct zynqmp_qspi *xqspi = spi_master_get_devdata(qspi->master);  in zynqmp_qspi_chipselect()
368 		if (!qspi->chip_select) {  in zynqmp_qspi_chipselect()
434  * zynqmp_qspi_config_op - Configure QSPI controller for specified
437  * @qspi:	Pointer to the spi_device structure
439  * Sets the operational mode of QSPI controller for the next QSPI transfer and
451  *	by the QSPI controller the driver will set the highest or lowest
455 				 struct spi_device *qspi)  in zynqmp_qspi_config_op()  argument
466 		(GQSPI_BAUD_DIV_SHIFT << baud_rate_val)) > qspi->max_speed_hz)  in zynqmp_qspi_config_op()
471 	/* Set the QSPI clock phase and clock polarity */  in zynqmp_qspi_config_op()
474 	if (qspi->mode & SPI_CPHA)  in zynqmp_qspi_config_op()
476 	if (qspi->mode & SPI_CPOL)  in zynqmp_qspi_config_op()
486  * zynqmp_qspi_setup_op - Configure the QSPI controller
487  * @qspi:	Pointer to the spi_device structure
489  * Sets the operational mode of QSPI controller for the next QSPI transfer,
490  * baud rate and divisor value to setup the requested qspi clock.
494 static int zynqmp_qspi_setup_op(struct spi_device *qspi)  in zynqmp_qspi_setup_op()  argument
496 	struct spi_controller *ctlr = qspi->master;  in zynqmp_qspi_setup_op()
638  * zynqmp_process_dma_irq - Handler for DMA done interrupt of QSPI
687  * zynqmp_qspi_irq - Interrupt service routine of the QSPI controller
841  * zynqmp_qspi_suspend - Suspend method for the QSPI driver
844  * This function stops the QSPI driver queue and disables the QSPI controller
864  * zynqmp_qspi_resume - Resume method for the QSPI driver
867  * The function starts the QSPI driver queue and initializes the QSPI
932  * zynqmp_qspi_exec_op() - Initiates the QSPI transfer
1095  * zynqmp_qspi_probe - Probe method for the QSPI driver
1167 	/* QSPI controller initializations */  in zynqmp_qspi_probe()
1234  * zynqmp_qspi_remove - Remove method for the QSPI driver
1257 	{ .compatible = "xlnx,zynqmp-qspi-1.0", },
1267 		.name = "zynqmp-qspi",
1276 MODULE_DESCRIPTION("Xilinx Zynqmp QSPI driver");