diff options
| author |   Bernhard Walle <bernhard@bwalle.de> | 2016-02-08 21:21:13 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-02-16 15:15:40 -0500 |
| commit | 64f10f6ebf5a6d3aef106af43cf697682d022f48 (patch) | |
| tree | a1245a37e1c2d5f9d561d12d3f9ac6bc9a10df43 /drivers/net/ethernet/freescale/fec_main.c | |
| parent | Merge branch 'bcm7xxx-cleanups' (diff) | |
| download | linux-dev-64f10f6ebf5a6d3aef106af43cf697682d022f48.tar.xz linux-dev-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/net/ethernet/freescale/fec_main.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 8 |
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) |