It is needed by imx6 SoC series, but not for imx23 and imx28. Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx> --- drivers/usb/phy/phy-mxs-usb.c | 23 +++++++++++++++++++++-- 1 files changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index 0c6f3bc..0ef930a 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" @@ -58,6 +60,9 @@ */ #define MXS_PHY_SENDING_SOF_TOO_FAST BIT(2) +/* The SoCs who have anatop module */ +#define MXS_PHY_HAS_ANATOP BIT(3) + struct mxs_phy_data { unsigned int flags; }; @@ -68,11 +73,13 @@ static const struct mxs_phy_data imx23_phy_data = { static const struct mxs_phy_data imx6q_phy_data = { .flags = MXS_PHY_SENDING_SOF_TOO_FAST | - MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS, + MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS | + MXS_PHY_HAS_ANATOP, }; static const struct mxs_phy_data imx6sl_phy_data = { - .flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS, + .flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS | + MXS_PHY_HAS_ANATOP, }; static const struct of_device_id mxs_phy_dt_ids[] = { @@ -87,6 +94,7 @@ struct mxs_phy { struct usb_phy phy; struct clk *clk; const struct mxs_phy_data *data; + struct regmap *regmap_anatop; }; static int mxs_phy_hw_init(struct mxs_phy *mxs_phy) @@ -190,6 +198,7 @@ static int mxs_phy_probe(struct platform_device *pdev) int ret; const struct of_device_id *of_id = of_match_device(mxs_phy_dt_ids, &pdev->dev); + struct device_node *np = pdev->dev.of_node; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); @@ -226,6 +235,16 @@ static int mxs_phy_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mxs_phy); + if (mxs_phy->data->flags & MXS_PHY_HAS_ANATOP) { + 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); + } + } + ret = usb_add_phy_dev(&mxs_phy->phy); if (ret) return ret; -- 1.7.8 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html