ARM: ep93xx: move platform_data definitions

Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the ep93xx include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Dan Williams <djbw@fb.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Mika Westerberg <mika.westerberg@iki.fi>
Cc: Axel Lin <axel.lin@gmail.com>

4 files changed, 213 insertions, 0 deletions

diff --git a/include/linux/platform_data/dma-ep93xx.h b/include/linux/platform_data/dma-ep93xx.h
new file mode 100644
index 00000000000..e82c642fa53
--- /dev/null
+++ b/include/linux/platform_data/dma-ep93xx.h
@@ -0,0 +1,93 @@
+#ifndef __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H
+
+#include <linux/types.h>
+#include <linux/dmaengine.h>
+#include <linux/dma-mapping.h>
+
+/*
+ * M2P channels.
+ *
+ * Note that these values are also directly used for setting the PPALLOC
+ * register.
+ */
+#define EP93XX_DMA_I2S1		0
+#define EP93XX_DMA_I2S2		1
+#define EP93XX_DMA_AAC1		2
+#define EP93XX_DMA_AAC2		3
+#define EP93XX_DMA_AAC3		4
+#define EP93XX_DMA_I2S3		5
+#define EP93XX_DMA_UART1	6
+#define EP93XX_DMA_UART2	7
+#define EP93XX_DMA_UART3	8
+#define EP93XX_DMA_IRDA		9
+/* M2M channels */
+#define EP93XX_DMA_SSP		10
+#define EP93XX_DMA_IDE		11
+
+/**
+ * struct ep93xx_dma_data - configuration data for the EP93xx dmaengine
+ * @port: peripheral which is requesting the channel
+ * @direction: TX/RX channel
+ * @name: optional name for the channel, this is displayed in /proc/interrupts
+ *
+ * This information is passed as private channel parameter in a filter
+ * function. Note that this is only needed for slave/cyclic channels.  For
+ * memcpy channels %NULL data should be passed.
+ */
+struct ep93xx_dma_data {
+	int				port;
+	enum dma_transfer_direction	direction;
+	const char			*name;
+};
+
+/**
+ * struct ep93xx_dma_chan_data - platform specific data for a DMA channel
+ * @name: name of the channel, used for getting the right clock for the channel
+ * @base: mapped registers
+ * @irq: interrupt number used by this channel
+ */
+struct ep93xx_dma_chan_data {
+	const char			*name;
+	void __iomem			*base;
+	int				irq;
+};
+
+/**
+ * struct ep93xx_dma_platform_data - platform data for the dmaengine driver
+ * @channels: array of channels which are passed to the driver
+ * @num_channels: number of channels in the array
+ *
+ * This structure is passed to the DMA engine driver via platform data. For
+ * M2P channels, contract is that even channels are for TX and odd for RX.
+ * There is no requirement for the M2M channels.
+ */
+struct ep93xx_dma_platform_data {
+	struct ep93xx_dma_chan_data	*channels;
+	size_t				num_channels;
+};
+
+static inline bool ep93xx_dma_chan_is_m2p(struct dma_chan *chan)
+{
+	return !strcmp(dev_name(chan->device->dev), "ep93xx-dma-m2p");
+}
+
+/**
+ * ep93xx_dma_chan_direction - returns direction the channel can be used
+ * @chan: channel
+ *
+ * This function can be used in filter functions to find out whether the
+ * channel supports given DMA direction. Only M2P channels have such
+ * limitation, for M2M channels the direction is configurable.
+ */
+static inline enum dma_transfer_direction
+ep93xx_dma_chan_direction(struct dma_chan *chan)
+{
+	if (!ep93xx_dma_chan_is_m2p(chan))
+		return DMA_NONE;
+
+	/* even channels are for TX, odd for RX */
+	return (chan->chan_id % 2 == 0) ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
+}
+
+#endif /* __ASM_ARCH_DMA_H */
diff --git a/include/linux/platform_data/keypad-ep93xx.h b/include/linux/platform_data/keypad-ep93xx.h
new file mode 100644
index 00000000000..1e2f4e97f42
--- /dev/null
+++ b/include/linux/platform_data/keypad-ep93xx.h
@@ -0,0 +1,35 @@
+/*
+ * arch/arm/mach-ep93xx/include/mach/ep93xx_keypad.h
+ */
+
+#ifndef __ASM_ARCH_EP93XX_KEYPAD_H
+#define __ASM_ARCH_EP93XX_KEYPAD_H
+
+struct matrix_keymap_data;
+
+/* flags for the ep93xx_keypad driver */
+#define EP93XX_KEYPAD_DISABLE_3_KEY	(1<<0)	/* disable 3-key reset */
+#define EP93XX_KEYPAD_DIAG_MODE		(1<<1)	/* diagnostic mode */
+#define EP93XX_KEYPAD_BACK_DRIVE	(1<<2)	/* back driving mode */
+#define EP93XX_KEYPAD_TEST_MODE		(1<<3)	/* scan only column 0 */
+#define EP93XX_KEYPAD_KDIV		(1<<4)	/* 1/4 clock or 1/16 clock */
+#define EP93XX_KEYPAD_AUTOREPEAT	(1<<5)	/* enable key autorepeat */
+
+/**
+ * struct ep93xx_keypad_platform_data - platform specific device structure
+ * @keymap_data:	pointer to &matrix_keymap_data
+ * @debounce:		debounce start count; terminal count is 0xff
+ * @prescale:		row/column counter pre-scaler load value
+ * @flags:		see above
+ */
+struct ep93xx_keypad_platform_data {
+	struct matrix_keymap_data *keymap_data;
+	unsigned int	debounce;
+	unsigned int	prescale;
+	unsigned int	flags;
+};
+
+#define EP93XX_MATRIX_ROWS		(8)
+#define EP93XX_MATRIX_COLS		(8)
+
+#endif	/* __ASM_ARCH_EP93XX_KEYPAD_H */
diff --git a/include/linux/platform_data/spi-ep93xx.h b/include/linux/platform_data/spi-ep93xx.h
new file mode 100644
index 00000000000..9bb63ac13f0
--- /dev/null
+++ b/include/linux/platform_data/spi-ep93xx.h
@@ -0,0 +1,29 @@
+#ifndef __ASM_MACH_EP93XX_SPI_H
+#define __ASM_MACH_EP93XX_SPI_H
+
+struct spi_device;
+
+/**
+ * struct ep93xx_spi_info - EP93xx specific SPI descriptor
+ * @num_chipselect: number of chip selects on this board, must be
+ *                  at least one
+ * @use_dma: use DMA for the transfers
+ */
+struct ep93xx_spi_info {
+	int	num_chipselect;
+	bool	use_dma;
+};
+
+/**
+ * struct ep93xx_spi_chip_ops - operation callbacks for SPI slave device
+ * @setup: setup the chip select mechanism
+ * @cleanup: cleanup the chip select mechanism
+ * @cs_control: control the device chip select
+ */
+struct ep93xx_spi_chip_ops {
+	int	(*setup)(struct spi_device *spi);
+	void	(*cleanup)(struct spi_device *spi);
+	void	(*cs_control)(struct spi_device *spi, int value);
+};
+
+#endif /* __ASM_MACH_EP93XX_SPI_H */
diff --git a/include/linux/platform_data/video-ep93xx.h b/include/linux/platform_data/video-ep93xx.h
new file mode 100644
index 00000000000..d5ae11d7c45
--- /dev/null
+++ b/include/linux/platform_data/video-ep93xx.h
@@ -0,0 +1,56 @@
+/*
+ * arch/arm/mach-ep93xx/include/mach/fb.h
+ */
+
+#ifndef __ASM_ARCH_EP93XXFB_H
+#define __ASM_ARCH_EP93XXFB_H
+
+struct platform_device;
+struct fb_videomode;
+struct fb_info;
+
+#define EP93XXFB_USE_MODEDB		0
+
+/* VideoAttributes flags */
+#define EP93XXFB_STATE_MACHINE_ENABLE	(1 << 0)
+#define EP93XXFB_PIXEL_CLOCK_ENABLE	(1 << 1)
+#define EP93XXFB_VSYNC_ENABLE		(1 << 2)
+#define EP93XXFB_PIXEL_DATA_ENABLE	(1 << 3)
+#define EP93XXFB_COMPOSITE_SYNC		(1 << 4)
+#define EP93XXFB_SYNC_VERT_HIGH		(1 << 5)
+#define EP93XXFB_SYNC_HORIZ_HIGH	(1 << 6)
+#define EP93XXFB_SYNC_BLANK_HIGH	(1 << 7)
+#define EP93XXFB_PCLK_FALLING		(1 << 8)
+#define EP93XXFB_ENABLE_AC		(1 << 9)
+#define EP93XXFB_ENABLE_LCD		(1 << 10)
+#define EP93XXFB_ENABLE_CCIR		(1 << 12)
+#define EP93XXFB_USE_PARALLEL_INTERFACE	(1 << 13)
+#define EP93XXFB_ENABLE_INTERRUPT	(1 << 14)
+#define EP93XXFB_USB_INTERLACE		(1 << 16)
+#define EP93XXFB_USE_EQUALIZATION	(1 << 17)
+#define EP93XXFB_USE_DOUBLE_HORZ	(1 << 18)
+#define EP93XXFB_USE_DOUBLE_VERT	(1 << 19)
+#define EP93XXFB_USE_BLANK_PIXEL	(1 << 20)
+#define EP93XXFB_USE_SDCSN0		(0 << 21)
+#define EP93XXFB_USE_SDCSN1		(1 << 21)
+#define EP93XXFB_USE_SDCSN2		(2 << 21)
+#define EP93XXFB_USE_SDCSN3		(3 << 21)
+
+#define EP93XXFB_ENABLE			(EP93XXFB_STATE_MACHINE_ENABLE	| \
+					 EP93XXFB_PIXEL_CLOCK_ENABLE	| \
+					 EP93XXFB_VSYNC_ENABLE		| \
+					 EP93XXFB_PIXEL_DATA_ENABLE)
+
+struct ep93xxfb_mach_info {
+	unsigned int			num_modes;
+	const struct fb_videomode	*modes;
+	const struct fb_videomode	*default_mode;
+	int				bpp;
+	unsigned int			flags;
+
+	int	(*setup)(struct platform_device *pdev);
+	void	(*teardown)(struct platform_device *pdev);
+	void	(*blank)(int blank_mode, struct fb_info *info);
+};
+
+#endif /* __ASM_ARCH_EP93XXFB_H */