diff options
author | Oleksij Rempel <o.rempel@pengutronix.de> | 2019-07-16 12:35:56 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-07-17 11:23:02 +0200 |
commit | 582b8089dff0c4c3800505eb0a1854d1e89a84f2 (patch) | |
tree | 7a332904441656d856b90b72a56d3690ad887d4e /drivers/net | |
parent | 78c1f6de3c65504645170eaf244d705c9ada88c3 (diff) | |
download | barebox-582b8089dff0c4c3800505eb0a1854d1e89a84f2.tar.gz barebox-582b8089dff0c4c3800505eb0a1854d1e89a84f2.tar.xz |
net: fec_imx: add regulator support
at least imx28-evk need it to work with devicetree
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/fec_imx.c | 19 | ||||
-rw-r--r-- | drivers/net/fec_imx.h | 1 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c index 38a29fc83e..31c9102189 100644 --- a/drivers/net/fec_imx.c +++ b/drivers/net/fec_imx.c @@ -19,6 +19,7 @@ #include <linux/err.h> #include <of_net.h> #include <of_gpio.h> +#include <regulator.h> #include <gpio.h> #include <linux/iopoll.h> @@ -776,6 +777,21 @@ static int fec_probe(struct device_d *dev) } fec->regs = IOMEM(iores->start); + fec->reg_phy = regulator_get(dev, "phy"); + if (IS_ERR(fec->reg_phy)) { + if (PTR_ERR(fec->reg_phy) == -EPROBE_DEFER) { + ret = -EPROBE_DEFER; + goto disable_clk; + } + fec->reg_phy = NULL; + } + + ret = regulator_enable(fec->reg_phy); + if (ret) { + dev_err(dev, "Failed to enable phy regulator: %d\n", ret); + goto disable_clk; + } + phy_reset = of_get_named_gpio(dev->device_node, "phy-reset-gpios", 0); if (gpio_is_valid(phy_reset)) { of_property_read_u32(dev->device_node, "phy-reset-duration", &msec); @@ -868,6 +884,9 @@ free_gpio: if (gpio_is_valid(phy_reset)) gpio_free(phy_reset); release_res: + if (fec->reg_phy) + regulator_disable(fec->reg_phy); + release_region(iores); disable_clk: fec_clk_disable(fec); diff --git a/drivers/net/fec_imx.h b/drivers/net/fec_imx.h index 1a1fbc9872..d1ac92f0e3 100644 --- a/drivers/net/fec_imx.h +++ b/drivers/net/fec_imx.h @@ -152,6 +152,7 @@ struct fec_priv { struct clk *clk[FEC_CLK_NUM]; struct clk *opt_clk[FEC_OPT_CLK_NUM]; enum fec_type type; + struct regulator *reg_phy; }; static inline int fec_is_imx27(struct fec_priv *priv) |