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* spi: Add GPL-2.0+ SPDX-License-Identifier for missing filesJagannadha Sutradharudu Teki2013-10-161-1/+1
| | | | | | | Added GPL-2.0+ SPDX-License-Identifier for missed spi source files. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* spi: xilinx_spi: Perform software reset during slave setupJason Wu2013-02-041-0/+3
| | | | | | to make sure it is in the clear state. Signed-off-by: Jason Wu <huanyu@xilinx.com>
* spi: microblaze: Adds driver for Xilinx SPI controllerStephan Linz2012-07-311-0/+135
This is an improved version of the driver patch original submitted by Graeme Smecher <graeme.smecher@mail.mcgill.ca> The changes are: - remove hard coded Xilinx BSP defines (XPAR_SPI_*) and use CONFIG_SYS_SPI_BASE from config.h instead - add extensive register struct definitions - remove offset calculation for register access and use the new register struct instead - move default SPI controller configuration from spi_setup_slave() to spi_claim_bus() - add spi_set_speed() - insert SPI controller deactivation in spi_release_bus() - protect while loops in spi_xfer() with counter / timeouts - support SPI mode flags: LSB_FIRST, CPHA, CPOL, LOOP Come from: http://patchwork.ozlabs.org/patch/71797/ Signed-off-by: Stephan Linz <linz@li-pro.net> Tested-by: Michal Simek <monstr@monstr.eu>
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