[PATCH V1] regulator: fixed: dt: add property for gpio open drain flag

Laxman Dewangan
2012-05-07T10:31:42Z

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

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
---
.../bindings/regulator/fixed-regulator.txt | 5 ++++-
drivers/regulator/fixed.c | 3 +++
2 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.txt b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt
index 9cf57fd..2f5b6b1 100644
--- a/Documentation/devicetree/bindings/regulator/fixed-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt
@@ -8,6 +8,8 @@ Optional properties:
- startup-delay-us: startup time in microseconds
- enable-active-high: Polarity of GPIO is Active high
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
binding, defined in regulator.txt, can also be used.
@@ -25,5 +27,6 @@ Example:
gpio = <&gpio1 16 0>;
startup-delay-us = <70000>;
enable-active-high;
- regulator-boot-on
+ regulator-boot-on;
+ gpio-open-drain;
};
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index bd437c1..f09fe7b 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -90,6 +90,9 @@ of_get_fixed_voltage_config(struct device *dev)
if (of_find_property(np, "enable-active-high", NULL))
config->enable_high = true;

+ if (of_find_property(np, "gpio-open-drain", NULL))
+ config->gpio_is_open_drain = true;
+
return config;
}

--
1.7.1.1