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net: ftgmac100: add clock support

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Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Cédric Le Goater 2018-10-29 07:06:36 +01:00 committed by Joe Hershberger
parent d0e0b84c66
commit 1c0c61e927
1 changed files with 14 additions and 1 deletions
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15
drivers/net/ftgmac100.c
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@ -11,6 +11,7 @@
* Copyright (C) 2018, IBM Corporation.
*/
#include <clk.h>
#include <dm.h>
#include <miiphy.h>
#include <net.h>
@ -55,6 +56,7 @@
* @bus: The mdio bus
* @phy_mode: The mode of the PHY interface (rgmii, rmii, ...)
* @max_speed: Maximum speed of Ethernet connection supported by MAC
* @clks: The bulk of clocks assigned to the device in the DT
*/
struct ftgmac100_data {
struct ftgmac100 *iobase;
@ -69,6 +71,8 @@ struct ftgmac100_data {
struct mii_dev *bus;
u32 phy_mode;
u32 max_speed;
struct clk_bulk clks;
};
/*
@ -489,6 +493,7 @@ static int ftgmac100_write_hwaddr(struct udevice *dev)
static int ftgmac100_ofdata_to_platdata(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
struct ftgmac100_data *priv = dev_get_priv(dev);
const char *phy_mode;
pdata->iobase = devfdt_get_addr(dev);
@ -503,7 +508,7 @@ static int ftgmac100_ofdata_to_platdata(struct udevice *dev)
pdata->max_speed = dev_read_u32_default(dev, "max-speed", 0);
return 0;
return clk_get_bulk(dev, &priv->clks);
}
static int ftgmac100_probe(struct udevice *dev)
@ -517,6 +522,10 @@ static int ftgmac100_probe(struct udevice *dev)
priv->max_speed = pdata->max_speed;
priv->phy_addr = 0;
ret = clk_enable_bulk(&priv->clks);
if (ret)
goto out;
ret = ftgmac100_mdio_init(dev);
if (ret) {
dev_err(dev, "Failed to initialize mdiobus: %d\n", ret);
@ -530,6 +539,9 @@ static int ftgmac100_probe(struct udevice *dev)
}
out:
if (ret)
clk_release_bulk(&priv->clks);
return ret;
}
@ -540,6 +552,7 @@ static int ftgmac100_remove(struct udevice *dev)
free(priv->phydev);
mdio_unregister(priv->bus);
mdio_free(priv->bus);
clk_release_bulk(&priv->clks);
return 0;
}