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regulator: fixed: add property for gpio open drain flag

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Add property for the gpio flag open drain when registering
fixed regulator.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Laxman Dewangan 2012-05-07 15:58:19 +05:30 committed by Mark Brown
parent 62f6b08793
commit 9a50dba509
2 changed files with 7 additions and 1 deletions
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5
Documentation/devicetree/bindings/regulator/fixed-regulator.txt
View File

@ -8,6 +8,8 @@ Optional properties:
- startup-delay-us: startup time in microseconds - startup-delay-us: startup time in microseconds
- enable-active-high: Polarity of GPIO is Active high - enable-active-high: Polarity of GPIO is Active high
If this property is missing, the default assumed is Active low. If this property is missing, the default assumed is Active low.
- gpio-open-drain: GPIO is open drain type.
If this property is missing then default assumption is false.
Any property defined as part of the core regulator Any property defined as part of the core regulator
binding, defined in regulator.txt, can also be used. binding, defined in regulator.txt, can also be used.
@ -25,5 +27,6 @@ Example:
gpio = <&gpio1 16 0>; gpio = <&gpio1 16 0>;
startup-delay-us = <70000>; startup-delay-us = <70000>;
enable-active-high; enable-active-high;
regulator-boot-on regulator-boot-on;
gpio-open-drain;
}; };

3
drivers/regulator/fixed.c
View File

@ -90,6 +90,9 @@ of_get_fixed_voltage_config(struct device *dev)
if (of_find_property(np, "enable-active-high", NULL)) if (of_find_property(np, "enable-active-high", NULL))
config->enable_high = true; config->enable_high = true;
if (of_find_property(np, "gpio-open-drain", NULL))
config->gpio_is_open_drain = true;
return config; return config;
} }