diff options
| author | Rostislav Lisovy <lisovy@gmail.com> | 2013-11-20 22:22:25 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-11-25 09:01:33 +0100 |
| commit | 5c1846b625247f4b99eb429dcd5b0854699a4298 (patch) | |
| tree | cb947f8d5b293fc1cf085dd4283942dd9f91b0ab /drivers/net/fec_imx.c | |
| parent | bb7929aaaacd9e154b18bfcedd5c8e2150233d6d (diff) | |
| download | barebox-5c1846b625247f4b99eb429dcd5b0854699a4298.tar.gz barebox-5c1846b625247f4b99eb429dcd5b0854699a4298.tar.xz | |
ARM: i.mx53: Parse Reset GPIO pin in FEC driver from Devicetree
Signed-off-by: Rostislav Lisovy <lisovy@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/net/fec_imx.c')
| -rw-r--r-- | drivers/net/fec_imx.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c index 2f31352340..72e689dcb5 100644 --- a/drivers/net/fec_imx.c +++ b/drivers/net/fec_imx.c @@ -27,6 +27,8 @@ #include <linux/clk.h> #include <linux/err.h> #include <of_net.h> +#include <of_gpio.h> +#include <gpio.h> #include <asm/mmu.h> @@ -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 +674,20 @@ 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)) { + 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) { |