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spi: add common fdt SPI driver interface
Add a common interface to fdt based SPI drivers. Each driver is represented by a table entry in fdt_spi_drivers[]. If there are multiple SPI drivers in the table, the first driver to return success from spi_init() will be registered as the SPI driver. Signed-off-by:Allen Martin <amartin@nvidia.com> Signed-off-by:
Tom Warren <twarren@nvidia.com> Reviewed-by:
Stephen Warren <swarren@nvidia.com>
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- arch/arm/include/asm/arch-tegra20/tegra20_sflash.h 11 additions, 0 deletionsarch/arm/include/asm/arch-tegra20/tegra20_sflash.h
- arch/arm/include/asm/arch-tegra20/tegra20_slink.h 11 additions, 0 deletionsarch/arm/include/asm/arch-tegra20/tegra20_slink.h
- board/nvidia/common/board.c 1 addition, 1 deletionboard/nvidia/common/board.c
- drivers/spi/Makefile 1 addition, 0 deletionsdrivers/spi/Makefile
- drivers/spi/fdt_spi.c 171 additions, 0 deletionsdrivers/spi/fdt_spi.c
- drivers/spi/tegra20_sflash.c 14 additions, 27 deletionsdrivers/spi/tegra20_sflash.c
- drivers/spi/tegra20_slink.c 11 additions, 18 deletionsdrivers/spi/tegra20_slink.c
- include/configs/tegra-common-post.h 4 additions, 0 deletionsinclude/configs/tegra-common-post.h
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