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net: designware: Add phy supply support

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Some board need a regulator for gmac phy, so add this code to handle it.
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Jacob Chen 2017-03-27 16:54:17 +08:00 • committed by Joe Hershberger
parent 449ea2cd0d
commit 6ec922fae2
1 changed files with 17 additions and 0 deletions
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17
drivers/net/designware.c
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@ -18,6 +18,7 @@
#include <linux/compiler.h>
#include <linux/err.h>
#include <asm/io.h>
#include <power/regulator.h>
#include "designware.h"
DECLARE_GLOBAL_DATA_PTR;
@ -661,6 +662,22 @@ int designware_eth_probe(struct udevice *dev)
ulong ioaddr;
int ret;
#if defined(CONFIG_DM_REGULATOR)
struct udevice *phy_supply;
ret = device_get_supply_regulator(dev, "phy-supply",
&phy_supply);
if (ret) {
debug("%s: No phy supply\n", dev->name);
} else {
ret = regulator_set_enable(phy_supply, true);
if (ret) {
puts("Error enabling phy supply\n");
return ret;
}
}
#endif
#ifdef CONFIG_DM_PCI
/*
* If we are on PCI bus, either directly attached to a PCI root port,