Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932844AbbFTRNT (ORCPT ); Sat, 20 Jun 2015 13:13:19 -0400 Received: from mail-wg0-f47.google.com ([74.125.82.47]:35658 "EHLO mail-wg0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932770AbbFTRM7 (ORCPT ); Sat, 20 Jun 2015 13:12:59 -0400 From: Philippe Reynes To: a.zummo@towertech.it, alexandre.belloni@free-electrons.com, shawn.guo@linaro.org, kernel@pengutronix.de, linux@arm.linux.org.uk Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, Philippe Reynes Subject: [PATCH v3 4/6] rtc: mxc: add support of device tree Date: Sat, 20 Jun 2015 19:12:38 +0200 Message-Id: <1434820360-21935-5-git-send-email-tremyfr@gmail.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1434820360-21935-1-git-send-email-tremyfr@gmail.com> References: <1434820360-21935-1-git-send-email-tremyfr@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2142 Lines: 69 Add device tree support for the mxc rtc driver. Signed-off-by: Philippe Reynes --- drivers/rtc/rtc-mxc.c | 19 ++++++++++++++++++- 1 files changed, 18 insertions(+), 1 deletions(-) diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c index e916a91..befe2c2 100644 --- a/drivers/rtc/rtc-mxc.c +++ b/drivers/rtc/rtc-mxc.c @@ -16,6 +16,8 @@ #include #include #include +#include +#include #define RTC_INPUT_CLK_32768HZ (0x00 << 5) #define RTC_INPUT_CLK_32000HZ (0x01 << 5) @@ -98,6 +100,15 @@ static struct platform_device_id imx_rtc_devtype[] = { }; MODULE_DEVICE_TABLE(platform, imx_rtc_devtype); +#ifdef CONFIG_OF +static const struct of_device_id imx_rtc_dt_ids[] = { + { .compatible = "fsl,imx1-rtc", .data = (const void *)IMX1_RTC }, + { .compatible = "fsl,imx21-rtc", .data = (const void *)IMX21_RTC }, + {} +}; +MODULE_DEVICE_TABLE(of, imx_rtc_dt_ids); +#endif + static inline int is_imx1_rtc(struct rtc_plat_data *data) { return data->devtype == IMX1_RTC; @@ -362,12 +373,17 @@ static int mxc_rtc_probe(struct platform_device *pdev) u32 reg; unsigned long rate; int ret; + const struct of_device_id *of_id; pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) return -ENOMEM; - pdata->devtype = pdev->id_entry->driver_data; + of_id = of_match_device(imx_rtc_dt_ids, &pdev->dev); + if (of_id) + pdata->devtype = (enum imx_rtc_type)of_id->data; + else + pdata->devtype = pdev->id_entry->driver_data; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); pdata->ioaddr = devm_ioremap_resource(&pdev->dev, res); @@ -481,6 +497,7 @@ static SIMPLE_DEV_PM_OPS(mxc_rtc_pm_ops, mxc_rtc_suspend, mxc_rtc_resume); static struct platform_driver mxc_rtc_driver = { .driver = { .name = "mxc_rtc", + .of_match_table = of_match_ptr(imx_rtc_dt_ids), .pm = &mxc_rtc_pm_ops, }, .id_table = imx_rtc_devtype, -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/