From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ea0-x233.google.com ([2a00:1450:4013:c01::233]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vdhq4-0004Em-Dy for barebox@lists.infradead.org; Tue, 05 Nov 2013 14:42:41 +0000 Received: by mail-ea0-f179.google.com with SMTP id q15so576317ead.10 for ; Tue, 05 Nov 2013 06:42:18 -0800 (PST) From: Rostislav Lisovy Date: Tue, 5 Nov 2013 15:42:06 +0100 Message-Id: <1383662527-8538-3-git-send-email-lisovy@gmail.com> In-Reply-To: <1383662527-8538-1-git-send-email-lisovy@gmail.com> References: <1383662527-8538-1-git-send-email-lisovy@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/3] ARM: i.mx53: Parse Reset GPIO pin in FEC driver from Devicetree To: barebox@lists.infradead.org Cc: Rostislav Lisovy , pisa@cmp.felk.cvut.cz Signed-off-by: Rostislav Lisovy diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c index 2f31352..6f883bf 100644 --- a/drivers/net/fec_imx.c +++ b/drivers/net/fec_imx.c @@ -27,6 +27,8 @@ #include #include #include +#include +#include #include @@ -643,6 +645,9 @@ static int fec_probe(struct device_d *dev) void *base; int ret; enum fec_type type; +#ifdef CONFIG_OFDEVICE + int phy_reset; +#endif ret = dev_get_drvdata(dev, (unsigned long *)&type); if (ret) @@ -671,6 +676,22 @@ static int fec_probe(struct device_d *dev) fec->regs = dev_request_mem_region(dev, 0); +#ifdef CONFIG_OFDEVICE + phy_reset = of_get_named_gpio(dev->device_node, "phy-reset-gpios", 0); + if (!gpio_is_valid(phy_reset)) + goto err_free; + + ret = gpio_request(phy_reset, "phy-reset"); + if (ret) { + pr_err("Can not request gpio %d (phy-reset): %d\n", phy_reset, ret); + goto err_free; + } + + gpio_direction_output(phy_reset, 0); + udelay(10); + gpio_set_value(phy_reset, 1); +#endif + /* Reset chip. */ writel(FEC_ECNTRL_RESET, fec->regs + FEC_ECNTRL); while(readl(fec->regs + FEC_ECNTRL) & 1) { -- 1.7.10.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox