From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Keepax Subject: [PATCH 3/6] regulator: arizona-ldo1: Add processing of init_data from device tree Date: Wed, 16 Apr 2014 10:01:39 +0100 Message-ID: <1397638902-7576-4-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1397638902-7576-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Return-path: In-Reply-To: <1397638902-7576-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org To: broonie@kernel.org Cc: lgirdwood@gmail.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, rdunlap@infradead.org, sameo@linux.intel.com, lee.jones@linaro.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, ckeepax@opensource.wolfsonmicro.com List-Id: devicetree@vger.kernel.org Signed-off-by: Charles Keepax --- drivers/regulator/arizona-ldo1.c | 34 ++++++++++++++++++++++++++++++++-- 1 files changed, 32 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c index 2248733..d3787e1 100644 --- a/drivers/regulator/arizona-ldo1.c +++ b/drivers/regulator/arizona-ldo1.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include @@ -178,12 +179,39 @@ static const struct regulator_init_data arizona_ldo1_default = { .num_consumer_supplies = 1, }; -static int arizona_ldo1_of_get_pdata(struct arizona *arizona) +static int arizona_ldo1_of_get_pdata(struct arizona *arizona, + struct regulator_config *config) { struct arizona_pdata *pdata = &arizona->pdata; + struct arizona_ldo1 *ldo1 = config->driver_data; + struct device_node *init_node, *dcvdd_node; + struct regulator_init_data *init_data; pdata->ldoena = arizona_of_get_named_gpio(arizona, "wlf,ldoena", true); + init_node = of_get_child_by_name(arizona->dev->of_node, "ldo1"); + dcvdd_node = of_parse_phandle(arizona->dev->of_node, "DCVDD-supply", 0); + + if (init_node) { + config->of_node = init_node; + + init_data = of_get_regulator_init_data(arizona->dev, init_node); + + if (init_data) { + init_data->consumer_supplies = &ldo1->supply; + init_data->num_consumer_supplies = 1; + + if (dcvdd_node && dcvdd_node != init_node) + arizona->external_dcvdd = true; + + pdata->ldo1 = init_data; + } + } else if (dcvdd_node) { + arizona->external_dcvdd = true; + } + + of_node_put(dcvdd_node); + return 0; } @@ -230,7 +258,7 @@ static int arizona_ldo1_probe(struct platform_device *pdev) if (IS_ENABLED(CONFIG_OF)) { if (!dev_get_platdata(arizona->dev)) { - ret = arizona_ldo1_of_get_pdata(arizona); + ret = arizona_ldo1_of_get_pdata(arizona, &config); if (ret < 0) return ret; } @@ -258,6 +286,8 @@ static int arizona_ldo1_probe(struct platform_device *pdev) return ret; } + of_node_put(config.of_node); + platform_set_drvdata(pdev, ldo1); return 0; -- 1.7.2.5