On 2/4/2014 6:49 PM, Roger Quadros wrote:

Hi Satish,

On 01/20/2014 06:33 AM, Satish Patel wrote:

quoted

TI-USIM driver is a platform driver that provides a character
driver interface to user applications.

It allows user applications to call IOCTL's to
perform smart card operations.

Driver currently supports
- ATR
- T=0 & T=1 protocol
- clock stop mode
- smart card clock configuration
- Tx/Rx application data units (APDU) to smart card
- Interface to PHY using DT & phy interface

Validation is done with ACOS3 smart cards

Signed-off-by: Satish Patel <redacted>
---
 .../devicetree/bindings/ti-usim/ti-usim.txt        |   31 +
 drivers/char/Kconfig                               |    7 +
 drivers/char/Makefile                              |    1 +
 drivers/char/ti-usim-hw.h                          |  863 +++++++++
 drivers/char/ti-usim.c                             | 1859 ++++++++++++++++++++

ti-usim.c is a very large driver that does everything but looks like limited to TI hardware.
How about splitting it into generic stuff and hw specific glue logic so that most of the generic stuff
could be used by different hardware types.

Two things over here
- First interface between user application and smartcard controller
driver. There is already an open source f/w in user space called "pcsc"
exists for this.

- Second communication between smartcard controller and smartcard phy. I
have introduce lite interface called sc_phy which covers generic stuff
between controller and phy.

quoted

 include/linux/ti-usim.h                            |   98 +
 6 files changed, 2859 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/ti-usim/ti-usim.txt
 create mode 100644 drivers/char/ti-usim-hw.h
 create mode 100644 drivers/char/ti-usim.c
 create mode 100644 include/linux/ti-usim.h

cheers,
-roger