Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934224Ab2FHJsH (ORCPT ); Fri, 8 Jun 2012 05:48:07 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:54818 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762050Ab2FHJsD (ORCPT ); Fri, 8 Jun 2012 05:48:03 -0400 From: Yadwinder Singh Brar To: linux-kernel@vger.kernel.org Cc: Mark Brown , Liam Girdwood , Yadwinder Singh Brar Subject: [PATCH 2/2] regulator: Parse ramp_delay in while parsing DT for regulators. Date: Fri, 8 Jun 2012 15:17:31 +0530 Message-Id: <1339148851-19289-2-git-send-email-yadi.brar@samsung.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1339148851-19289-1-git-send-email-yadi.brar@samsung.com> References: <1339148851-19289-1-git-send-email-yadi.brar@samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2670 Lines: 68 For some hardwares ramp_delay for BUCKs is a configurable parameter which can be configured through DT.This patch adds support for parsing ramp_delay also while parsing DT for regulators. Signed-off-by: Yadwinder Singh Brar --- .../devicetree/bindings/regulator/regulator.txt | 1 + drivers/regulator/of_regulator.c | 6 ++++++ include/linux/regulator/machine.h | 2 ++ 3 files changed, 9 insertions(+), 0 deletions(-) diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index 5b7a408..d0a7b12 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 - -supply: phandle to the parent supply/regulator node +- regulator-ramp-delay: ramp delay for regulator(in mV/uS) Example: diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 56593b7..8b9cb53 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -74,6 +74,7 @@ struct regulator_init_data *of_get_regulator_init_data(struct device *dev, struct device_node *node) { struct regulator_init_data *init_data; + const __be32 *ramp_delay; if (!node) return NULL; @@ -83,6 +84,11 @@ struct regulator_init_data *of_get_regulator_init_data(struct device *dev, return NULL; /* Out of memory? */ of_get_regulation_constraints(node, &init_data); + + ramp_delay = of_get_property(node, "regulator-ramp_delay", NULL); + if (ramp_delay) + init_data->ramp_delay = be32_to_cpu(*ramp_delay); + return init_data; } EXPORT_SYMBOL_GPL(of_get_regulator_init_data); diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index b021084..bb29a6b 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -177,6 +177,8 @@ struct regulator_init_data { int num_consumer_supplies; struct regulator_consumer_supply *consumer_supplies; + int ramp_delay; /* unit:mV/us */ + /* optional regulator machine specific init */ int (*regulator_init)(void *driver_data); void *driver_data; /* core does not touch this */ -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/