From 9a50dba509251dfce7895a5990cb938f383a6273 Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Mon, 7 May 2012 15:58:19 +0530 Subject: [PATCH] regulator: fixed: add property for gpio open drain flag Add property for the gpio flag open drain when registering fixed regulator. Signed-off-by: Laxman Dewangan Signed-off-by: Mark Brown --- .../devicetree/bindings/regulator/fixed-regulator.txt | 5 ++++- drivers/regulator/fixed.c | 3 +++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.txt b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt index 9cf57fd042d2..2f5b6b1ba15f 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 bd437c133b00..f09fe7b20e82 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; } -- 2.20.1