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author | Sascha Hauer <s.hauer@pengutronix.de> | 2017-01-13 12:33:39 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-01-19 15:21:21 +0100 |
commit | 1b3fde398378f2446b8560a567d1e69b84ba754e (patch) | |
tree | 667f38880b4e28aea2e42265aecaf57d78cb82bc /drivers | |
parent | bbe0df90b8e2463dd8db651e9f1dd57702985d2d (diff) | |
download | barebox-1b3fde398378f2446b8560a567d1e69b84ba754e.tar.gz barebox-1b3fde398378f2446b8560a567d1e69b84ba754e.tar.xz |
phy: usb-nop-xceiv: Add clock support
As stated in the FIXME comment this is needed. Get and
enable a "main_clk" just like the kernel does.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/phy/usb-nop-xceiv.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/phy/usb-nop-xceiv.c b/drivers/phy/usb-nop-xceiv.c index 606e098220..d403fe4d66 100644 --- a/drivers/phy/usb-nop-xceiv.c +++ b/drivers/phy/usb-nop-xceiv.c @@ -27,6 +27,7 @@ struct nop_usbphy { struct usb_phy usb_phy; struct phy *phy; struct phy_provider *provider; + struct clk *clk; }; static struct phy *nop_usbphy_xlate(struct device_d *dev, @@ -37,6 +38,13 @@ static struct phy *nop_usbphy_xlate(struct device_d *dev, return nopphy->phy; } +static int nop_usbphy_init(struct phy *phy) +{ + struct nop_usbphy *nopphy = phy_get_drvdata(phy); + + return clk_enable(nopphy->clk); +} + static struct usb_phy *nop_usbphy_to_usbphy(struct phy *phy) { struct nop_usbphy *nopphy = phy_get_drvdata(phy); @@ -46,6 +54,7 @@ static struct usb_phy *nop_usbphy_to_usbphy(struct phy *phy) static const struct phy_ops nop_phy_ops = { .to_usbphy = nop_usbphy_to_usbphy, + .init = nop_usbphy_init, }; static int nop_usbphy_probe(struct device_d *dev) @@ -57,7 +66,10 @@ static int nop_usbphy_probe(struct device_d *dev) dev->priv = nopphy; - /* FIXME: Add clk support */ + nopphy->clk = clk_get(dev, "main_clk"); + if (IS_ERR(nopphy->clk)) + nopphy->clk = NULL; + /* FIXME: Add vbus regulator support */ /* FIXME: Add vbus-detect-gpio support */ @@ -97,8 +109,8 @@ static struct driver_d nop_usbphy_driver = { .of_compatible = DRV_OF_COMPAT(nop_usbphy_dt_ids), }; -static int nop_usbphy_init(void) +static int nop_usbphy_driver_init(void) { return platform_driver_register(&nop_usbphy_driver); } -fs_initcall(nop_usbphy_init); +fs_initcall(nop_usbphy_driver_init); |