-Index: linux-2.6.25.10/include/linux/spi/spi_gpio.h
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.25.10/include/linux/spi/spi_gpio.h 2008-07-18 18:19:56.000000000 +0200
-@@ -0,0 +1,67 @@
+--- /dev/null
++++ b/include/linux/spi/spi_gpio.h
+@@ -0,0 +1,72 @@
+/*
+ * spi_gpio interface to platform code
+ *
+ * Copyright (c) 2008 Piotr Skamruk
-+ * Copyright (c) 2008 Michael Buesch
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+#include <linux/spi/spi.h>
+
+
-+/** struct spi_gpio_platform_data - Data definitions for a SPI-GPIO device.
++/**
++ * struct spi_gpio_platform_data - Data definitions for a SPI-GPIO device.
++ *
+ * This structure holds information about a GPIO-based SPI device.
+ *
+ * @pin_clk: The GPIO pin number of the CLOCK pin.
+ void *boardinfo_setup_data;
+};
+
-+/** SPI_GPIO_PLATDEV_NAME - The platform device name string.
++/**
++ * SPI_GPIO_PLATDEV_NAME - The platform device name string.
++ *
+ * The name string that has to be used for platform_device_alloc
+ * when allocating a spi-gpio device.
+ */
+#define SPI_GPIO_PLATDEV_NAME "spi-gpio"
+
-+/** spi_gpio_next_id - Get another platform device ID number.
++/**
++ * spi_gpio_next_id - Get another platform device ID number.
++ *
+ * This returns the next platform device ID number that has to be used
+ * for platform_device_alloc. The ID is opaque and should not be used for
+ * anything else.
+int spi_gpio_next_id(void);
+
+#endif /* _LINUX_SPI_SPI_GPIO */
-Index: linux-2.6.25.10/drivers/spi/spi_gpio.c
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.25.10/drivers/spi/spi_gpio.c 2008-07-18 18:19:56.000000000 +0200
-@@ -0,0 +1,251 @@
+--- /dev/null
++++ b/drivers/spi/spi_gpio.c
+@@ -0,0 +1,249 @@
+/*
+ * Bitbanging SPI bus driver using GPIO API
+ *
+ * Copyright (c) 2008 Piotr Skamruk
-+ * Copyright (c) 2008 Michael Buesch
+ *
+ * based on spi_s3c2410_gpio.c
+ * Copyright (c) 2006 Ben Dooks
+module_exit(spi_gpio_exit);
+
+MODULE_AUTHOR("Piot Skamruk <piotr.skamruk at gmail.com>");
-+MODULE_AUTHOR("Michael Buesch");
+MODULE_DESCRIPTION("Platform independent GPIO bitbanging SPI driver");
+MODULE_LICENSE("GPL v2");
-Index: linux-2.6.25.10/drivers/spi/Kconfig
-===================================================================
---- linux-2.6.25.10.orig/drivers/spi/Kconfig 2008-07-18 18:19:43.000000000 +0200
-+++ linux-2.6.25.10/drivers/spi/Kconfig 2008-07-18 18:19:56.000000000 +0200
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
@@ -100,6 +100,19 @@ config SPI_BUTTERFLY
inexpensive battery powered microcontroller evaluation board.
This same cable can be used to flash new firmware.
+ help
+ This is a platform driver that can be used for bitbanging
+ an SPI bus over GPIO pins.
-+ Select this, if you have any SPI device that is connected via
++ Select this if you have any SPI device that is connected via
+ GPIO pins.
+ The module will be called spi_gpio.
+
config SPI_IMX
tristate "Freescale iMX SPI controller"
depends on SPI_MASTER && ARCH_IMX && EXPERIMENTAL
-Index: linux-2.6.25.10/drivers/spi/Makefile
-===================================================================
---- linux-2.6.25.10.orig/drivers/spi/Makefile 2008-07-18 18:19:43.000000000 +0200
-+++ linux-2.6.25.10/drivers/spi/Makefile 2008-07-18 18:19:56.000000000 +0200
+--- a/drivers/spi/Makefile
++++ b/drivers/spi/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_SPI_BFIN) += spi_bfin5xx.
obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o
obj-$(CONFIG_SPI_AU1550) += au1550_spi.o
obj-$(CONFIG_SPI_IMX) += spi_imx.o
obj-$(CONFIG_SPI_LM70_LLP) += spi_lm70llp.o
obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o
-Index: linux-2.6.25.10/MAINTAINERS
-===================================================================
---- linux-2.6.25.10.orig/MAINTAINERS 2008-07-03 05:46:47.000000000 +0200
-+++ linux-2.6.25.10/MAINTAINERS 2008-07-18 18:20:28.000000000 +0200
-@@ -3685,6 +3685,11 @@ M: dbrownell@users.sourceforge.net
- L: spi-devel-general@lists.sourceforge.net
- S: Maintained
-
-+SPI GPIO MASTER DRIVER
-+P: Michael Buesch
-+M: mb@bu3sch.de
-+S: Maintained
-+
- STABLE BRANCH:
- P: Greg Kroah-Hartman
- M: greg@kroah.com
projects / openwrt.git / blobdiff