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path: root/drivers/spi/zynq_spi.c
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2015-07-01spi: zynq_spi: Add fdt support in driverJagan Teki
Now zynq spi driver platform data is controlled by devicetree, enable the status by saying "okay" on respective board dts to use the devicetree generated platdata. Ex: &spi1 { status = "okay"; }; Signed-off-by: Jagan Teki <jteki@openedev.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Michal Simek <michal.simek@xilinx.com> Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com> Tested-by: Jagan Teki <jteki@openedev.com>
2015-07-01dm: spi: zynq_spi: Convert to driver modelJagan Teki
This converts the zynq spi driver to use the driver model. Minimal functional changes like using meaningful name on structure members wrt mainlined dm spi drivers. - input_hz -> frequency - req_hz -> freq - base -> regs Signed-off-by: Jagan Teki <jteki@openedev.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Michal Simek <michal.simek@xilinx.com> Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com> Tested-by: Jagan Teki <jteki@openedev.com>
2015-04-22zynq: spi: Remove unnecessary error conditionSiva Durga Prasad Paladugu
Removed the unnecessary error check from spi_xfer as the bitlen zero is possible now to deassert the chip select for which no data is required to be transfered. Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
2013-08-07spi: Add zynq spi controller driverJagannadha Sutradharudu Teki
Zynq spi controller driver supports 2 buses and 3 chipselects on each bus. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com> Acked-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>