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| author | Girish <girishsg@ti.com> | 2008-02-06 01:38:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-06 10:41:11 -0800 |
| commit | ccc7baed1868efd02dac88b32cba4a837a558536 (patch) | |
| tree | e38690934ade336259044389b9d8ea6bbe3d3c31 /drivers | |
| parent | 37e466408796300ec935e15f01b4ca88678b96ef (diff) | |
| download | linux-ccc7baed1868efd02dac88b32cba4a837a558536.tar.gz linux-ccc7baed1868efd02dac88b32cba4a837a558536.tar.bz2 linux-ccc7baed1868efd02dac88b32cba4a837a558536.zip | |
spi: omap2_mcspi handles omap3 too
This adds driver OMAP SPI specific changes to support OMAP 3430
Signed-off-by: Girish S G <girishsg@ti.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/spi/omap2_mcspi.c | 37 |
2 files changed, 39 insertions, 4 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 69e28ed272c1..d8107890db15 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -144,10 +144,10 @@ config SPI_OMAP_UWIRE This hooks up to the MicroWire controller on OMAP1 chips. config SPI_OMAP24XX - tristate "McSPI driver for OMAP24xx" - depends on SPI_MASTER && ARCH_OMAP24XX + tristate "McSPI driver for OMAP24xx/OMAP34xx" + depends on SPI_MASTER && (ARCH_OMAP24XX || ARCH_OMAP34XX) help - SPI master controller for OMAP24xx Multichannel SPI + SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI (McSPI) modules. config SPI_PXA2XX diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c index ea61724ae225..a6ba11afb03f 100644 --- a/drivers/spi/omap2_mcspi.c +++ b/drivers/spi/omap2_mcspi.c @@ -915,6 +915,28 @@ static u8 __initdata spi2_txdma_id[] = { OMAP24XX_DMA_SPI2_TX1, }; +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) +static u8 __initdata spi3_rxdma_id[] = { + OMAP24XX_DMA_SPI3_RX0, + OMAP24XX_DMA_SPI3_RX1, +}; + +static u8 __initdata spi3_txdma_id[] = { + OMAP24XX_DMA_SPI3_TX0, + OMAP24XX_DMA_SPI3_TX1, +}; +#endif + +#ifdef CONFIG_ARCH_OMAP3 +static u8 __initdata spi4_rxdma_id[] = { + OMAP34XX_DMA_SPI4_RX0, +}; + +static u8 __initdata spi4_txdma_id[] = { + OMAP34XX_DMA_SPI4_TX0, +}; +#endif + static int __init omap2_mcspi_probe(struct platform_device *pdev) { struct spi_master *master; @@ -935,7 +957,20 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev) txdma_id = spi2_txdma_id; num_chipselect = 2; break; - /* REVISIT omap2430 has a third McSPI ... */ +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) + case 3: + rxdma_id = spi3_rxdma_id; + txdma_id = spi3_txdma_id; + num_chipselect = 2; + break; +#endif +#ifdef CONFIG_ARCH_OMAP3 + case 4: + rxdma_id = spi4_rxdma_id; + txdma_id = spi4_txdma_id; + num_chipselect = 1; + break; +#endif default: return -EINVAL; } |