phy: sun4i: add support for USB phy0
The driver for sun4i USB phys currently supports only phy1 and phy2 which are used for USB host controllers. This patch adds support for USB phy0, which is used by the musb hdrc USB controller. Signed-off-by: Roman Byshko <rbyshko@gmail.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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@ -157,6 +157,10 @@ static int sun4i_usb_phy_init(struct phy *_phy)
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return ret;
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return ret;
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}
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}
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/* Enable USB 45 Ohm resistor calibration */
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if (phy->index == 0)
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sun4i_usb_phy_write(phy, PHY_RES45_CAL_EN, 0x01, 1);
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/* Adjust PHY's magnitude and rate */
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/* Adjust PHY's magnitude and rate */
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sun4i_usb_phy_write(phy, PHY_TX_AMPLITUDE_TUNE, 0x14, 5);
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sun4i_usb_phy_write(phy, PHY_TX_AMPLITUDE_TUNE, 0x14, 5);
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@ -213,7 +217,7 @@ static struct phy *sun4i_usb_phy_xlate(struct device *dev,
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{
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{
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struct sun4i_usb_phy_data *data = dev_get_drvdata(dev);
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struct sun4i_usb_phy_data *data = dev_get_drvdata(dev);
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if (WARN_ON(args->args[0] == 0 || args->args[0] >= data->num_phys))
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if (args->args[0] >= data->num_phys)
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return ERR_PTR(-ENODEV);
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return ERR_PTR(-ENODEV);
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return data->phys[args->args[0]].phy;
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return data->phys[args->args[0]].phy;
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@ -255,8 +259,7 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev)
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if (IS_ERR(data->base))
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if (IS_ERR(data->base))
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return PTR_ERR(data->base);
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return PTR_ERR(data->base);
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/* Skip 0, 0 is the phy for otg which is not yet supported. */
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for (i = 0; i < data->num_phys; i++) {
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for (i = 1; i < data->num_phys; i++) {
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struct sun4i_usb_phy *phy = data->phys + i;
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struct sun4i_usb_phy *phy = data->phys + i;
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char name[16];
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char name[16];
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