On Tue, Nov 05, 2013 at 10:47:55AM +0800, Shawn Guo wrote:
> On Tue, Nov 05, 2013 at 09:49:37AM +0800, Peter Chen wrote:
> > It is needed by imx6 SoC serial, but not for imx23 and imx28.
>
> s/serial/series
>
> Should we have another MXS_PHY_XXX flag for this, so that we can
> explicitly check when anatop must be there?
>
OK, I will add it, it can let the imx23/28 do not check dts.
> Shawn
>
> >
> > Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> > ---
> > drivers/usb/phy/phy-mxs-usb.c | 15 +++++++++++++++
> > 1 files changed, 15 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
> > index 472fe36..8cdfbf1 100644
> > --- a/drivers/usb/phy/phy-mxs-usb.c
> > +++ b/drivers/usb/phy/phy-mxs-usb.c
> > @@ -21,6 +21,8 @@
> > #include <linux/err.h>
> > #include <linux/io.h>
> > #include <linux/of_device.h>
> > +#include <linux/regmap.h>
> > +#include <linux/mfd/syscon.h>
> >
> > #define DRIVER_NAME "mxs_phy"
> >
> > @@ -87,6 +89,7 @@ struct mxs_phy {
> > struct usb_phy phy;
> > struct clk *clk;
> > unsigned int flags;
> > + struct regmap *regmap_anatop;
> > };
> >
> > static int mxs_phy_hw_init(struct mxs_phy *mxs_phy)
> > @@ -191,6 +194,7 @@ static int mxs_phy_probe(struct platform_device *pdev)
> > const struct of_device_id *of_id =
> > of_match_device(mxs_phy_dt_ids, &pdev->dev);
> > const struct mxs_phy_platform_flag *platform_flag = of_id->data;
> > + struct device_node *np = pdev->dev.of_node;
> >
> > res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > base = devm_ioremap_resource(&pdev->dev, res);
> > @@ -210,6 +214,17 @@ static int mxs_phy_probe(struct platform_device *pdev)
> > return -ENOMEM;
> > }
> >
> > + /* Some SoCs don't have anatop registers */
> > + if (of_get_property(np, "fsl,anatop", NULL)) {
> > + mxs_phy->regmap_anatop = syscon_regmap_lookup_by_phandle
> > + (np, "fsl,anatop");
> > + if (IS_ERR(mxs_phy->regmap_anatop)) {
> > + dev_dbg(&pdev->dev,
> > + "failed to find regmap for anatop\n");
> > + return PTR_ERR(mxs_phy->regmap_anatop);
> > + }
> > + }
> > +
> > mxs_phy->phy.io_priv = base;
> > mxs_phy->phy.dev = &pdev->dev;
> > mxs_phy->phy.label = DRIVER_NAME;
> > --
> > 1.7.1
> >
> >
--
Best Regards,
Peter Chen
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