spi: add common fdt SPI driver interface

[u-boot] / arch / arm / include / asm / arch-tegra20 / tegra20_slink.h

diff --git a/arch/arm/include/asm/arch-tegra20/tegra20_slink.h b/arch/arm/include/asm/arch-tegra20/tegra20_slink.h
index fe8b5347f88e37d86861360f6db6f9059211c611..5aa74ddd6d281ca66f0bedb78cabdbf517d275dd 100644 (file)
--- a/arch/arm/include/asm/arch-tegra20/tegra20_slink.h
+++ b/arch/arm/include/asm/arch-tegra20/tegra20_slink.h
@@ -27,4 +27,15 @@
 
 #include <asm/types.h>
 
+int tegra30_spi_init(int *node_list, int count);
+int tegra30_spi_cs_is_valid(unsigned int bus, unsigned int cs);
+struct spi_slave *tegra30_spi_setup_slave(unsigned int bus, unsigned int cs,
+                                 unsigned int max_hz, unsigned int mode);
+void tegra30_spi_free_slave(struct spi_slave *slave);
+int tegra30_spi_claim_bus(struct spi_slave *slave);
+void tegra30_spi_cs_activate(struct spi_slave *slave);
+void tegra30_spi_cs_deactivate(struct spi_slave *slave);
+int tegra30_spi_xfer(struct spi_slave *slave, unsigned int bitlen,
+                    const void *data_out, void *data_in, unsigned long flags);
+
 #endif /* _TEGRA30_SPI_H_ */