Piteball
/
android_kernel_samsung_msm8976
mirror of https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
1
1
Fork 0
Code Issues Projects Releases Wiki Activity

pinctrl: Adds slew-rate, input-enable/disable 

This commit adds slew-rate and input-enable/disable support for pinconf
-generic.

CRs-Fixed: 668615
Change-Id: I2613a26f91dd0631c68e11feecf09bfee8297900
Signed-off-by: Sherman Yin <syin@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Git-commit: 8ba3f4d00078e7a49c60c0bd6298f29402c3a0a0
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Kaushal Kumar <kaushalk@codeaurora.org>
This commit is contained in:
Kaushal Kumar 2013-12-11 10:37:17 -08:00
parent e5a08f7bbf
commit fe388ba133
3 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
View File

@ -152,6 +152,8 @@ drive-push-pull - drive actively high and low
drive-open-drain - drive with open drain
drive-open-source - drive with open source
drive-strength - sink or source at most X mA
input-enable - enable input on pin (no effect on output)
input-disable - disable input on pin (no effect on output)
input-schmitt-enable - enable schmitt-trigger mode
input-schmitt-disable - disable schmitt-trigger mode
input-debounce - debounce mode with debound time X
@ -159,6 +161,7 @@ low-power-enable - enable low power mode
low-power-disable - disable low power mode
output-low - set the pin to output mode with low level
output-high - set the pin to output mode with high level
slew-rate - set the slew rate
Arguments for parameters:

4
drivers/pinctrl/pinconf-generic.c
View File

@ -47,6 +47,7 @@ static struct pin_config_item conf_items[] = {
PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_DRAIN, "output drive open drain", NULL),
PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_SOURCE, "output drive open source", NULL),
PCONFDUMP(PIN_CONFIG_DRIVE_STRENGTH, "output drive strength", "mA"),
PCONFDUMP(PIN_CONFIG_INPUT_ENABLE, "input enabled", NULL),
PCONFDUMP(PIN_CONFIG_INPUT_SCHMITT_ENABLE, "input schmitt enabled", NULL),
PCONFDUMP(PIN_CONFIG_INPUT_SCHMITT, "input schmitt trigger", NULL),
PCONFDUMP(PIN_CONFIG_INPUT_DEBOUNCE, "input debounce", "usec"),
@ -159,6 +160,8 @@ static struct pinconf_generic_dt_params dt_params[] = {
{ "drive-open-drain", PIN_CONFIG_DRIVE_OPEN_DRAIN, 0 },
{ "drive-open-source", PIN_CONFIG_DRIVE_OPEN_SOURCE, 0 },
{ "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 },
{ "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 },
{ "input-disable", PIN_CONFIG_INPUT_ENABLE, 0 },
{ "input-schmitt-enable", PIN_CONFIG_INPUT_SCHMITT_ENABLE, 1 },
{ "input-schmitt-disable", PIN_CONFIG_INPUT_SCHMITT_ENABLE, 0 },
{ "input-debounce", PIN_CONFIG_INPUT_DEBOUNCE, 0 },
@ -166,6 +169,7 @@ static struct pinconf_generic_dt_params dt_params[] = {
{ "low-power-disable", PIN_CONFIG_LOW_POWER_MODE, 0 },
{ "output-low", PIN_CONFIG_OUTPUT, 0, },
{ "output-high", PIN_CONFIG_OUTPUT, 1, },
{ "slew-rate", PIN_CONFIG_SLEW_RATE, 0},
};
/**

4
include/linux/pinctrl/pinconf-generic.h
View File

@ -57,6 +57,9 @@
* argument is ignored.
* @PIN_CONFIG_DRIVE_STRENGTH: the pin will sink or source at most the current
* passed as argument. The argument is in mA.
* @PIN_CONFIG_INPUT_ENABLE: enable the pin's input. Note that this does not
* affect the pin's ability to drive output. 1 enables input, 0 disables
* input.
* @PIN_CONFIG_INPUT_SCHMITT_ENABLE: control schmitt-trigger mode on the pin.
* If the argument != 0, schmitt-trigger mode is enabled. If it's 0,
* schmitt-trigger mode is disabled.
@ -95,6 +98,7 @@ enum pin_config_param {
PIN_CONFIG_DRIVE_OPEN_DRAIN,
PIN_CONFIG_DRIVE_OPEN_SOURCE,
PIN_CONFIG_DRIVE_STRENGTH,
PIN_CONFIG_INPUT_ENABLE,
PIN_CONFIG_INPUT_SCHMITT_ENABLE,
PIN_CONFIG_INPUT_SCHMITT,
PIN_CONFIG_INPUT_DEBOUNCE,