Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753049Ab2KSHjk (ORCPT ); Mon, 19 Nov 2012 02:39:40 -0500 Received: from na3sys009aog107.obsmtp.com ([74.125.149.197]:43653 "EHLO na3sys009aog107.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752560Ab2KSHjj (ORCPT ); Mon, 19 Nov 2012 02:39:39 -0500 From: Qing Xu To: qingx@marvell.com, anton.vorontsov@linaro.org, dwmw2@infradead.org, sameo@linux.intel.com, grant.likely@secretlab.ca, rob.herring@calxeda.com, haojian.zhuang@gmail.com, cxie4@marvell.com, linux-kernel@vger.kernel.org, devicetree-discuss@lists.ozlabs.org Subject: [PATCH v3 4/7] mfd: max8925: support dt for power supply Date: Mon, 19 Nov 2012 15:39:12 +0800 Message-Id: <1353310752-13212-1-git-send-email-qingx@marvell.com> X-Mailer: git-send-email 1.7.0.4 X-OriginalArrivalTime: 19 Nov 2012 07:37:58.0503 (UTC) FILETIME=[CBDF8F70:01CDC628] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2534 Lines: 83 From: Qing Xu Signed-off-by: Qing Xu --- drivers/power/max8925_power.c | 50 ++++++++++++++++++++++++++++++++++++++++- 1 files changed, 49 insertions(+), 1 deletions(-) diff --git a/drivers/power/max8925_power.c b/drivers/power/max8925_power.c index daa333b..2d77107 100644 --- a/drivers/power/max8925_power.c +++ b/drivers/power/max8925_power.c @@ -426,6 +426,54 @@ static __devexit int max8925_deinit_charger(struct max8925_power_info *info) return 0; } +#ifdef CONFIG_OF +static struct max8925_power_pdata * +max8925_power_dt_init(struct platform_device *pdev) +{ + struct device_node *nproot = pdev->dev.parent->of_node; + struct device_node *np; + int batt_detect; + int topoff_threshold; + int fast_charge; + int no_temp_support; + int no_insert_detect; + struct max8925_power_pdata *pdata; + + if (!nproot) + return pdev->dev.platform_data; + + np = of_find_node_by_name(nproot, "charger"); + if (!np) { + dev_err(&pdev->dev, "failed to find charger node\n"); + return NULL; + } + + pdata = devm_kzalloc(&pdev->dev, + sizeof(struct max8925_power_pdata), + GFP_KERNEL); + + of_property_read_u32(np, "topoff-threshold", &topoff_threshold); + of_property_read_u32(np, "batt-detect", &batt_detect); + of_property_read_u32(np, "fast-charge", &fast_charge); + of_property_read_u32(np, "no-insert-detect", &no_insert_detect); + of_property_read_u32(np, "no-temp-support", &no_temp_support); + + pdata->batt_detect = batt_detect; + pdata->fast_charge = fast_charge; + pdata->topoff_threshold = topoff_threshold; + pdata->no_insert_detect = no_insert_detect; + pdata->no_temp_support = no_temp_support; + + return pdata; +} +#else +static struct max8925_power_pdata * +max8925_power_dt_init(struct platform_device *pdev) +{ + return pdev->dev.platform_data; +} +#endif + static __devinit int max8925_power_probe(struct platform_device *pdev) { struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent); @@ -433,7 +481,7 @@ static __devinit int max8925_power_probe(struct platform_device *pdev) struct max8925_power_info *info; int ret; - pdata = pdev->dev.platform_data; + pdata = max8925_power_dt_init(pdev); if (!pdata) { dev_err(&pdev->dev, "platform data isn't assigned to " "power supply\n"); -- 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/