From 1b3fde398378f2446b8560a567d1e69b84ba754e Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Fri, 13 Jan 2017 12:33:39 +0100 Subject: 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 --- drivers/phy/usb-nop-xceiv.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'drivers/phy') 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); -- cgit v1.2.3