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spi: new orion_spi driver

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This adds an SPI driver for the SPI controller found in various Marvell
Orion ARM SoCs.  It currently supports only one slave, which must use SPI
mode 0.

[dbrownell@users.sourceforge.net: cleanups, meet specs, pass "sparse"]
Signed-off-by: Shadi Ammouri <shadi@marvell.com>
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.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>
This commit is contained in:
Shadi Ammouri
2008-08-05 13:01:09 -07:00
committed by Linus Torvalds
parent 756fcab277
commit 60cadec9da
4 changed files with 598 additions and 0 deletions
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6
drivers/spi/Kconfig
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@@ -149,6 +149,12 @@ config SPI_OMAP24XX
SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI
(McSPI) modules.
config SPI_ORION
tristate "Orion SPI master (EXPERIMENTAL)"
depends on PLAT_ORION && EXPERIMENTAL
help
This enables using the SPI master controller on the Orion chips.
config SPI_PXA2XX
tristate "PXA2xx SSP SPI master"
depends on ARCH_PXA && EXPERIMENTAL

1
drivers/spi/Makefile
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@@ -21,6 +21,7 @@ obj-$(CONFIG_SPI_LM70_LLP) += spi_lm70llp.o
obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o
obj-$(CONFIG_SPI_OMAP_UWIRE) += omap_uwire.o
obj-$(CONFIG_SPI_OMAP24XX) += omap2_mcspi.o
obj-$(CONFIG_SPI_ORION) += orion_spi.o
obj-$(CONFIG_SPI_MPC52xx_PSC) += mpc52xx_psc_spi.o
obj-$(CONFIG_SPI_MPC83xx) += spi_mpc83xx.o
obj-$(CONFIG_SPI_S3C24XX_GPIO) += spi_s3c24xx_gpio.o

574
drivers/spi/orion_spi.c Normal file
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File diff suppressed because it is too large Load Diff

17
include/linux/spi/orion_spi.h Normal file
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@@ -0,0 +1,17 @@
/*
* orion_spi.h
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __LINUX_SPI_ORION_SPI_H
#define __LINUX_SPI_ORION_SPI_H
struct orion_spi_info {
u32 tclk; /* no <linux/clk.h> support yet */
};
#endif