diff options
Diffstat (limited to 'drivers/staging/ab5500_sim/sysfs-sim')
| -rw-r--r-- | drivers/staging/ab5500_sim/sysfs-sim | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/staging/ab5500_sim/sysfs-sim b/drivers/staging/ab5500_sim/sysfs-sim new file mode 100644 index 00000000000..b809b21e39e --- /dev/null +++ b/drivers/staging/ab5500_sim/sysfs-sim @@ -0,0 +1,83 @@ +What: /sys/devices/platform/ab5500-core.0/ab5500-sim.4/ +Date: June 2011 +KernelVersion: 2.6.35 +Contact: Bibek Basu <bibek.basu@stericsson.com> +Description: + The /sys/devices/.../ab5500-sim.4 directory contains attributes + allowing the user space to check and configure ab5500 sim level + shifter interface caracteristics for communication to SIM card + +What: /sys/devices/.../enable_pullup +Date: June 2011 +KernelVersion: 2.6.35 +Contact: Bibek Basu <bibek.basu@stericsson.com> +Description: + The /sys/devices/.../ab5500-sim.4/enable_pullup attribute allows + the user space to configure if internal pull up in SIMIO lines + has to be enabled or disabled. For enabling write 1 to the file + and 0 for disabling + + +What: /sys/devices/.../dat_pullup +Date: June 2011 +KernelVersion: 2.6.35 +Contact: Bibek Basu <bibek.basu@stericsson.com> +Description: + The /sys/devices/.../ab5500-sim.4/dat_pullup attribute allows + the user space to configure the resistance value for internal + pull up in SIMIO lines. Following value can be written on the file + 0 SIM_DAT pull-up disabled + 1 SIM_DAT pull-up 4kOhm + 2 SIM_DAT pull-up 5kOhm + 3 SIM_DAT pull-up 6kOhm + 4 SIM_DAT pull-up 7kOhm + 5 SIM_DAT pull-up 8kOhm + 6 SIM_DAT pull-up 9kOhm + 7 SIM_DAT pull-up 10kOhm + +What: /sys/devices/.../mode_sel +Date: June 2011 +KernelVersion: 2.6.35 +Contact: Bibek Basu <bibek.basu@stericsson.com> +Description: + The /sys/devices/.../ab5500-sim.4/mode_sel attribute allows + the user space to configure the mode at which the level shifter + will work. Following value can be written on the file + 0 TG mode and LI mode off + 1 TG mode on + 2 LI mode on + 3 TG mode and LI mode off + +What: /sys/devices/.../load_sel +Date: June 2011 +KernelVersion: 2.6.35 +Contact: Bibek Basu <bibek.basu@stericsson.com> +Description: + The /sys/devices/.../ab5500-sim.4/load_sel attribute allows + the user space to configure the load on the USBUICC lines. + Following value can be written on the file. + 0 Data line load < 21pF + 1 Data line load 21-30pF + +What: /sys/devices/.../weak_pulldforce +Date: June 2011 +KernelVersion: 2.6.35 +Contact: Bibek Basu <bibek.basu@stericsson.com> +Description: + The /sys/devices/.../ab5500-sim.4/weak_pulldforce attribute allows + the user space to configure the weak pull down on the USBUICC lines. + Following value can be written on the file. + 0 USB-UICC data lines weak pull down active + 1 USB-UICC data lines weak pull down not active + +What: /sys/devices/.../simoff_int +Date: June 2011 +KernelVersion: 2.6.35 +Contact: Bibek Basu <bibek.basu@stericsson.com> +Description: + The /sys/devices/.../ab5500-sim.4/simoff_int attribute allows + the user space to poll this file and get notified in case a sim + hot swap has happened. a zero means sim extracetd and a one means + inserted. + + |