From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ee0-x22c.google.com ([2a00:1450:4013:c00::22c]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VjFEe-0007Xp-8M for barebox@lists.infradead.org; Wed, 20 Nov 2013 21:22:57 +0000 Received: by mail-ee0-f44.google.com with SMTP id d51so4348298eek.17 for ; Wed, 20 Nov 2013 13:22:37 -0800 (PST) From: Rostislav Lisovy Date: Wed, 20 Nov 2013 22:22:25 +0100 Message-Id: <1384982546-9111-3-git-send-email-lisovy@gmail.com> In-Reply-To: <1384982546-9111-1-git-send-email-lisovy@gmail.com> References: <1384982546-9111-1-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..31fb2aa 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 +645,7 @@ static int fec_probe(struct device_d *dev) void *base; int ret; enum fec_type type; + int phy_reset; ret = dev_get_drvdata(dev, (unsigned long *)&type); if (ret) @@ -671,6 +674,22 @@ static int fec_probe(struct device_d *dev) fec->regs = dev_request_mem_region(dev, 0); + phy_reset = of_get_named_gpio(dev->device_node, "phy-reset-gpios", 0); + if (!gpio_is_valid(phy_reset)) { + dev_info(dev, "'phy-reset' gpio is not valid\n"); + } else { + ret = gpio_request(phy_reset, "phy-reset"); + if (ret) + goto err_free; + + ret = gpio_direction_output(phy_reset, 0); + if (ret) + goto err_free; + + udelay(10); + gpio_set_value(phy_reset, 1); + } + /* 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