Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ccc7baed1868efd02dac88b32cba4a837a558536
Commit: ccc7baed1868efd02dac88b32cba4a837a558536
Parent: 37e466408796300ec935e15f01b4ca88678b96ef
Author: Girish <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 6 01:38:16 2008 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Feb 6 10:41:11 2008 -0800
spi: omap2_mcspi handles omap3 too
This adds driver OMAP SPI specific changes to support OMAP 3430
Signed-off-by: Girish S G <[EMAIL PROTECTED]>
Signed-off-by: David Brownell <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/spi/Kconfig | 6 +++---
drivers/spi/omap2_mcspi.c | 37 ++++++++++++++++++++++++++++++++++++-
2 files changed, 39 insertions(+), 4 deletions(-)
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 69e28ed..d810789 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 ea61724..a6ba11a 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;
}
-
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