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USB: misc: Add USB3503 High-Speed Hub Controller

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This patch adds new driver of SMSC USB3503 USB 2.0 hub controller with HSIC
upstream connectivity and three USB 2.0 downstream ports. The specification
can be found from 'http://www.smsc.com/index.php?tid=295&pid=325'.

The current version have been tested very basic features switching the modes,
HUB-MODE and STANDBY-MODE.

Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dongjin Kim
2012-12-08 05:18:44 +09:00
committed by Greg Kroah-Hartman
parent 102ee00191
commit 6a099c6365
4 changed files with 329 additions and 0 deletions
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19
include/linux/platform_data/usb3503.h Normal file
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#ifndef __USB3503_H__
#define __USB3503_H__
#define USB3503_I2C_NAME "usb3503"
enum usb3503_mode {
USB3503_MODE_UNKNOWN,
USB3503_MODE_HUB,
USB3503_MODE_STANDBY,
};
struct usb3503_platform_data {
enum usb3503_mode initial_mode;
int gpio_intn;
int gpio_connect;
int gpio_reset;
};
#endif