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[ARM] S3C: Add USB high-speed/OtG device definitions

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Add platform device definitions for the high-speed and OtG
capable device block on the newer Samsung parts.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2009-05-16 22:05:27 +01:00 committed by Ben Dooks
parent 496a3f0927
commit f0e1fa7600
6 changed files with 79 additions and 0 deletions
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2
arch/arm/mach-s3c6400/include/mach/map.h
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@ -39,6 +39,7 @@
#define S3C_VA_UART3 S3C_VA_UARTx(3)
#define S3C64XX_PA_FB (0x77100000)
#define S3C64XX_PA_USB_HSOTG (0x7C000000)
#define S3C64XX_PA_SYSCON (0x7E00F000)
#define S3C64XX_PA_TIMER (0x7F006000)
#define S3C64XX_PA_IIC0 (0x7F004000)
@ -70,5 +71,6 @@
#define S3C_PA_IIC1 S3C64XX_PA_IIC1
#define S3C_PA_FB S3C64XX_PA_FB
#define S3C_PA_USBHOST S3C64XX_PA_USBHOST
#define S3C_PA_USB_HSOTG S3C64XX_PA_USB_HSOTG
#endif /* __ASM_ARCH_6400_MAP_H */

5
arch/arm/plat-s3c/Kconfig
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@ -186,4 +186,9 @@ config S3C_DEV_USB_HOST
help
Compile in platform device definition for USB host.
config S3C_DEV_USB_HSOTG
bool
help
Compile in platform device definition for USB high-speed OtG
endif

1
arch/arm/plat-s3c/Makefile
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@ -32,3 +32,4 @@ obj-y += dev-i2c0.o
obj-$(CONFIG_S3C_DEV_I2C1) += dev-i2c1.o
obj-$(CONFIG_S3C_DEV_FB) += dev-fb.o
obj-$(CONFIG_S3C_DEV_USB_HOST) += dev-usb.o
obj-$(CONFIG_S3C_DEV_USB_HSOTG) += dev-usb-hsotg.o

41
arch/arm/plat-s3c/dev-usb-hsotg.c Normal file
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@ -0,0 +1,41 @@
/* linux/arch/arm/plat-s3c/dev-usb-hsotg.c
*
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C series device definition for USB high-speed UDC/OtG block
*
* 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
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/platform_device.h>
#include <mach/irqs.h>
#include <mach/map.h>
#include <plat/devs.h>
static struct resource s3c_usb_hsotg_resources[] = {
[0] = {
.start = S3C_PA_USB_HSOTG,
.end = S3C_PA_USB_HSOTG + 0x10000 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_OTG,
.end = IRQ_OTG,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device s3c_device_usb_hsotg = {
.name = "s3c-hsotg",
.id = -1,
.num_resources = ARRAY_SIZE(s3c_usb_hsotg_resources),
.resource = s3c_usb_hsotg_resources,
};

1
arch/arm/plat-s3c/include/plat/devs.h
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@ -45,6 +45,7 @@ extern struct platform_device s3c_device_spi1;
extern struct platform_device s3c_device_nand;
extern struct platform_device s3c_device_usbgadget;
extern struct platform_device s3c_device_usb_hsotg;
/* s3c2440 specific devices */

29
arch/arm/plat-s3c/include/plat/udc-hs.h Normal file
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@ -0,0 +1,29 @@
/* arch/arm/plat-s3c/include/plat/udc-hs.h
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C USB2.0 High-speed / OtG platform information
*
* 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
* published by the Free Software Foundation.
*/
enum s3c_hostg_dmamode {
S3C_HSOTG_DMA_NONE, /* do not use DMA at-all */
S3C_HSOTG_DMA_ONLY, /* always use DMA */
S3C_HSOTG_DMA_DRV, /* DMA is chosen by driver */
};
/**
* struct s3c_hsotg_plat - platform data for high-speed otg/udc
* @dma: Whether to use DMA or not.
* @is_osc: The clock source is an oscillator, not a crystal
*/
struct s3c_hsotg_plat {
enum s3c_hostg_dmamode dma;
unsigned int is_osc : 1;
};