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@ -1,5 +1,15 @@ |
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--- /dev/null
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+++ b/include/linux/spi/spi_gpio.h
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THIS CODE IS DEPRECATED.
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Please use the new mainline SPI-GPIO driver, as of 2.6.29.
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--mb
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Index: linux-2.6.28.2/include/linux/spi/spi_gpio_old.h
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.6.28.2/include/linux/spi/spi_gpio_old.h 2009-02-10 17:14:33.000000000 +0100
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@@ -0,0 +1,73 @@
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+/*
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+ * spi_gpio interface to platform code
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@ -74,8 +84,10 @@ |
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+int spi_gpio_next_id(void);
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+
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+#endif /* _LINUX_SPI_SPI_GPIO */
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--- /dev/null
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+++ b/drivers/spi/spi_gpio.c
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Index: linux-2.6.28.2/drivers/spi/spi_gpio_old.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.6.28.2/drivers/spi/spi_gpio_old.c 2009-02-10 17:15:01.000000000 +0100
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@@ -0,0 +1,251 @@
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+/*
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+ * Bitbanging SPI bus driver using GPIO API
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@ -103,7 +115,7 @@ |
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+#include <linux/platform_device.h>
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+#include <linux/spi/spi.h>
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+#include <linux/spi/spi_bitbang.h>
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+#include <linux/spi/spi_gpio.h>
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+#include <linux/spi/spi_gpio_old.h>
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+#include <linux/gpio.h>
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+#include <asm/atomic.h>
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+
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@ -328,49 +340,35 @@ |
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+MODULE_AUTHOR("Michael Buesch");
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+MODULE_DESCRIPTION("Platform independent GPIO bitbanging SPI driver");
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+MODULE_LICENSE("GPL v2");
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--- a/drivers/spi/Kconfig
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+++ b/drivers/spi/Kconfig
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@@ -100,6 +100,19 @@ config SPI_BUTTERFLY
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Index: linux-2.6.28.2/drivers/spi/Kconfig
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===================================================================
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--- linux-2.6.28.2.orig/drivers/spi/Kconfig 2009-02-10 17:13:57.000000000 +0100
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+++ linux-2.6.28.2/drivers/spi/Kconfig 2009-02-10 17:14:33.000000000 +0100
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@@ -100,6 +100,15 @@ config SPI_BUTTERFLY
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inexpensive battery powered microcontroller evaluation board.
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This same cable can be used to flash new firmware.
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+config SPI_GPIO
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+ tristate "GPIO API based bitbanging SPI controller"
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+config SPI_GPIO_OLD
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+ tristate "Old GPIO API based bitbanging SPI controller (DEPRECATED)"
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+ depends on SPI_MASTER && GENERIC_GPIO
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+ select SPI_BITBANG
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+ help
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+ This is a platform driver that can be used for bitbanging
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+ an SPI bus over GPIO pins.
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+ Select this if you have any SPI device that is connected via
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+ GPIO pins.
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+ The module will be called spi_gpio.
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+ This code is deprecated. Please use the new mainline SPI-GPIO driver.
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+
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+ If unsure, say N.
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+
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config SPI_IMX
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tristate "Freescale iMX SPI controller"
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depends on ARCH_IMX && EXPERIMENTAL
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--- a/drivers/spi/Makefile
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+++ b/drivers/spi/Makefile
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Index: linux-2.6.28.2/drivers/spi/Makefile
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===================================================================
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--- linux-2.6.28.2.orig/drivers/spi/Makefile 2009-02-10 17:13:57.000000000 +0100
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+++ linux-2.6.28.2/drivers/spi/Makefile 2009-02-10 17:14:33.000000000 +0100
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@@ -16,6 +16,7 @@ obj-$(CONFIG_SPI_BFIN) += spi_bfin5xx.
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obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o
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obj-$(CONFIG_SPI_AU1550) += au1550_spi.o
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obj-$(CONFIG_SPI_BUTTERFLY) += spi_butterfly.o
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+obj-$(CONFIG_SPI_GPIO) += spi_gpio.o
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+obj-$(CONFIG_SPI_GPIO_OLD) += spi_gpio_old.o
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obj-$(CONFIG_SPI_IMX) += spi_imx.o
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obj-$(CONFIG_SPI_LM70_LLP) += spi_lm70llp.o
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obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o
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--- a/MAINTAINERS
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+++ b/MAINTAINERS
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@@ -4027,6 +4027,11 @@ M: jbglaw@lug-owl.de
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L: linux-kernel@vger.kernel.org
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S: Maintained
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+SPI GPIO MASTER DRIVER
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+P: Michael Buesch
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+M: mb@bu3sch.de
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+S: Maintained
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+
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STABLE BRANCH
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P: Greg Kroah-Hartman
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M: greg@kroah.com
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