3  * Xilinx Zynq UltraScale+ MPSoC Quad-SPI (QSPI) controller driver
26 /* Generic QSPI register offsets */
141  * struct zynqmp_qspi - Defines qspi driver instance
142  * @regs:		Virtual address of the QSPI controller registers
156  * @mode:		Defines the mode in which QSPI is operating
254  * The default settings of the QSPI controller's configurable parameters on
266  *	- Enable the QSPI controller
354  * @qspi:	Pointer to the spi_device structure
357 static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high)  in zynqmp_qspi_chipselect()  argument
359 	struct zynqmp_qspi *xqspi = spi_master_get_devdata(qspi->master);  in zynqmp_qspi_chipselect()
427  * zynqmp_qspi_config_op - Configure QSPI controller for specified
430  * @qspi:	Pointer to the spi_device structure
432  * Sets the operational mode of QSPI controller for the next QSPI transfer and
444  *	by the QSPI controller the driver will set the highest or lowest
448 				 struct spi_device *qspi)  in zynqmp_qspi_config_op()  argument
459 		(GQSPI_BAUD_DIV_SHIFT << baud_rate_val)) > qspi->max_speed_hz)  in zynqmp_qspi_config_op()
464 	/* Set the QSPI clock phase and clock polarity */  in zynqmp_qspi_config_op()
467 	if (qspi->mode & SPI_CPHA)  in zynqmp_qspi_config_op()
469 	if (qspi->mode & SPI_CPOL)  in zynqmp_qspi_config_op()
479  * zynqmp_qspi_setup_op - Configure the QSPI controller
480  * @qspi:	Pointer to the spi_device structure
482  * Sets the operational mode of QSPI controller for the next QSPI transfer,
483  * baud rate and divisor value to setup the requested qspi clock.
487 static int zynqmp_qspi_setup_op(struct spi_device *qspi)  in zynqmp_qspi_setup_op()  argument
489 	struct spi_controller *ctlr = qspi->master;  in zynqmp_qspi_setup_op()
631  * zynqmp_process_dma_irq - Handler for DMA done interrupt of QSPI
680  * zynqmp_qspi_irq - Interrupt service routine of the QSPI controller
834  * zynqmp_qspi_suspend - Suspend method for the QSPI driver
837  * This function stops the QSPI driver queue and disables the QSPI controller
857  * zynqmp_qspi_resume - Resume method for the QSPI driver
860  * The function starts the QSPI driver queue and initializes the QSPI
925  * zynqmp_qspi_exec_op() - Initiates the QSPI transfer
1088  * zynqmp_qspi_probe - Probe method for the QSPI driver
1159 	/* QSPI controller initializations */  in zynqmp_qspi_probe()
1212  * zynqmp_qspi_remove - Remove method for the QSPI driver
1235 	{ .compatible = "xlnx,zynqmp-qspi-1.0", },
1245 		.name = "zynqmp-qspi",
1254 MODULE_DESCRIPTION("Xilinx Zynqmp QSPI driver");