Messages in this thread | | | Date | Thu, 6 Feb 2014 09:16:24 +0530 | From | Satish Patel <> | Subject | Re: [PATCH v2 3/5] char: ti-usim: Add driver for USIM module on AM43xx |
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On 2/4/2014 6:49 PM, Roger Quadros wrote: > Hi Satish, > > On 01/20/2014 06:33 AM, Satish Patel wrote: >> 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 <satish.patel@ti.com> >> --- >> .../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.
>> 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 >
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