From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Andersson Subject: [PATCH v2 2/5] regulator: Introduce property to flag drms Date: Wed, 1 Apr 2015 15:55:43 -0700 Message-ID: <1427928946-31291-3-git-send-email-bjorn.andersson@sonymobile.com> References: <1427928946-31291-1-git-send-email-bjorn.andersson@sonymobile.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1427928946-31291-1-git-send-email-bjorn.andersson@sonymobile.com> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Liam Girdwood , Mark Brown Cc: Stephen Boyd , Andy Gross , Srinivas Kandagatla , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org Introduce "regulator-allow-drms" to make it possible for board configuration to enable drms for regulators. Signed-off-by: Bjorn Andersson --- Documentation/devicetree/bindings/regulator/regulator.txt | 1 + drivers/regulator/of_regulator.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index abb26b5..a2377cb 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.txt +++ b/Documentation/devicetree/bindings/regulator/regulator.txt @@ -10,6 +10,7 @@ Optional properties: - regulator-always-on: boolean, regulator should never be disabled - regulator-boot-on: bootloader/firmware enabled regulator - regulator-allow-bypass: allow the regulator to go into bypass mode +- regulator-allow-drms: allow dynamic regulator mode switching - -supply: phandle to the parent supply/regulator node - regulator-ramp-delay: ramp delay for regulator(in uV/uS) For hardware which supports disabling ramp rate, it should be explicitly diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 24e812c..bb52532 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -70,6 +70,9 @@ static void of_get_regulation_constraints(struct device_node *np, if (of_property_read_bool(np, "regulator-allow-bypass")) constraints->valid_ops_mask |= REGULATOR_CHANGE_BYPASS; + if (of_property_read_bool(np, "regulator-allow-drms")) + constraints->valid_ops_mask |= REGULATOR_CHANGE_DRMS; + ret = of_property_read_u32(np, "regulator-ramp-delay", &pval); if (!ret) { if (pval) -- 1.8.2.2