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authorBernhard Walle <bernhard@bwalle.de>2016-02-08 21:21:13 +0100
committerDavid S. Miller <davem@davemloft.net>2016-02-16 21:15:40 +0100
commit64f10f6ebf5a6d3aef106af43cf697682d022f48 (patch)
treea1245a37e1c2d5f9d561d12d3f9ac6bc9a10df43 /drivers
parentMerge branch 'bcm7xxx-cleanups' (diff)
downloadlinux-64f10f6ebf5a6d3aef106af43cf697682d022f48.tar.xz
linux-64f10f6ebf5a6d3aef106af43cf697682d022f48.zip
net: fec: Add "phy-reset-active-low" property to DT
We need that for a custom hardware that needs the reverse reset sequence. Signed-off-by: Bernhard Walle <bernhard@bwalle.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index ef18ca501f9e..bad0ba29a94a 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3191,6 +3191,7 @@ static int fec_enet_init(struct net_device *ndev)
static void fec_reset_phy(struct platform_device *pdev)
{
int err, phy_reset;
+ bool active_low = false;
int msec = 1;
struct device_node *np = pdev->dev.of_node;
@@ -3206,14 +3207,17 @@ static void fec_reset_phy(struct platform_device *pdev)
if (!gpio_is_valid(phy_reset))
return;
+ active_low = of_property_read_bool(np, "phy-reset-active-low");
+
err = devm_gpio_request_one(&pdev->dev, phy_reset,
- GPIOF_OUT_INIT_LOW, "phy-reset");
+ active_low ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
+ "phy-reset");
if (err) {
dev_err(&pdev->dev, "failed to get phy-reset-gpios: %d\n", err);
return;
}
msleep(msec);
- gpio_set_value_cansleep(phy_reset, 1);
+ gpio_set_value_cansleep(phy_reset, !active_low);
}
#else /* CONFIG_OF */
static void fec_reset_phy(struct platform_device *pdev)