On Wed, Nov 25, 2015 at 05:50:02PM +0100, Hans de Goede wrote: > From: Reinder de Haan <patchesrdh@xxxxxxxxx> > > Note this commit only adds support for phys 1-3, phy 0, the otg phy, is > not yet (fully) supported after this commit. Shouldn't the OTG phy have a different compatible string? > > Signed-off-by: Reinder de Haan <patchesrdh@xxxxxxxxx> > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > --- > Changes in v2: > -Change break; after dev_err() to return, as intended, fixing a compiler > warning (the dev_err case should never be reached) > Changes in v3: > -Use of_match_node to get model specific config data > --- > .../devicetree/bindings/phy/sun4i-usb-phy.txt | 1 + > drivers/phy/phy-sun4i-usb.c | 46 +++++++++++++++++----- > 2 files changed, 38 insertions(+), 9 deletions(-) > > diff --git a/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt b/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt > index 0cebf74..95736d7 100644 > --- a/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt > +++ b/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt > @@ -9,6 +9,7 @@ Required properties: > * allwinner,sun7i-a20-usb-phy > * allwinner,sun8i-a23-usb-phy > * allwinner,sun8i-a33-usb-phy > + * allwinner,sun8i-h3-usb-phy > - reg : a list of offset + length pairs > - reg-names : > * "phy_ctrl" > diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c > index 1d8f85d..2aed482 100644 > --- a/drivers/phy/phy-sun4i-usb.c > +++ b/drivers/phy/phy-sun4i-usb.c > @@ -46,6 +46,9 @@ > #define REG_PHYBIST 0x08 > #define REG_PHYTUNE 0x0c > #define REG_PHYCTL_A33 0x10 > +#define REG_PHY_UNK_H3 0x20 > + > +#define REG_PMU_UNK_H3 0x10 > > #define PHYCTL_DATA BIT(7) > > @@ -79,7 +82,7 @@ > #define PHY_DISCON_TH_SEL 0x2a > #define PHY_SQUELCH_DETECT 0x3c > > -#define MAX_PHYS 3 > +#define MAX_PHYS 4 > > /* > * Note do not raise the debounce time, we must report Vusb high within 100ms > @@ -91,6 +94,7 @@ > enum sun4i_usb_phy_type { > sun4i_a10_phy, > sun8i_a33_phy, > + sun8i_h3_phy, > }; > > struct sun4i_usb_phy_cfg { > @@ -101,6 +105,7 @@ struct sun4i_usb_phy_cfg { > }; > > struct sun4i_usb_phy_data { > + struct device *dev; > void __iomem *base; > const struct sun4i_usb_phy_cfg *cfg; > struct mutex mutex; > @@ -183,6 +188,9 @@ static void sun4i_usb_phy_write(struct sun4i_usb_phy *phy, u32 addr, u32 data, > /* A33 needs us to set phyctl to 0 explicitly */ > writel(0, phyctl); > break; > + case sun8i_h3_phy: > + dev_err(phy_data->dev, "H3 usb_phy_write is not supported\n"); > + return; > } > > for (i = 0; i < len; i++) { > @@ -243,6 +251,7 @@ static int sun4i_usb_phy_init(struct phy *_phy) > struct sun4i_usb_phy *phy = phy_get_drvdata(_phy); > struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy); > int ret; > + u32 val; > > ret = clk_prepare_enable(phy->clk); > if (ret) > @@ -254,16 +263,26 @@ static int sun4i_usb_phy_init(struct phy *_phy) > return ret; > } > > - /* Enable USB 45 Ohm resistor calibration */ > - if (phy->index == 0) > - sun4i_usb_phy_write(phy, PHY_RES45_CAL_EN, 0x01, 1); > + if (data->cfg->type == sun8i_h3_phy) { > + if (phy->index == 0) { > + val = readl(data->base + REG_PHY_UNK_H3); > + writel(val & ~1, data->base + REG_PHY_UNK_H3); > + } > > - /* Adjust PHY's magnitude and rate */ > - sun4i_usb_phy_write(phy, PHY_TX_AMPLITUDE_TUNE, 0x14, 5); > + val = readl(phy->pmu + REG_PMU_UNK_H3); > + writel(val & ~2, phy->pmu + REG_PMU_UNK_H3); > + } else { > + /* Enable USB 45 Ohm resistor calibration */ > + if (phy->index == 0) > + sun4i_usb_phy_write(phy, PHY_RES45_CAL_EN, 0x01, 1); > > - /* Disconnect threshold adjustment */ > - sun4i_usb_phy_write(phy, PHY_DISCON_TH_SEL, > - data->cfg->disc_thresh, 2); > + /* Adjust PHY's magnitude and rate */ > + sun4i_usb_phy_write(phy, PHY_TX_AMPLITUDE_TUNE, 0x14, 5); > + > + /* Disconnect threshold adjustment */ > + sun4i_usb_phy_write(phy, PHY_DISCON_TH_SEL, > + data->cfg->disc_thresh, 2); > + } > > sun4i_usb_phy_passby(phy, 1); > > @@ -555,6 +574,13 @@ static const struct sun4i_usb_phy_cfg sun8i_a33_cfg = { > .dedicated_clocks = true, > }; > > +static const struct sun4i_usb_phy_cfg sun8i_h3_cfg = { > + .num_phys = 4, > + .disc_thresh = 3, > + .type = sun8i_h3_phy, > + .dedicated_clocks = true, > +}; > + > static const struct of_device_id sun4i_usb_phy_of_match[] = { > { .compatible = "allwinner,sun4i-a10-usb-phy", .data = &sun4i_a10_cfg }, > { .compatible = "allwinner,sun5i-a13-usb-phy", .data = &sun5i_a13_cfg }, > @@ -562,6 +588,7 @@ static const struct of_device_id sun4i_usb_phy_of_match[] = { > { .compatible = "allwinner,sun7i-a20-usb-phy", .data = &sun7i_a20_cfg }, > { .compatible = "allwinner,sun8i-a23-usb-phy", .data = &sun8i_a23_cfg }, > { .compatible = "allwinner,sun8i-a33-usb-phy", .data = &sun8i_a33_cfg }, > + { .compatible = "allwinner,sun8i-h3-usb-phy", .data = &sun8i_h3_cfg }, > { }, > }; > MODULE_DEVICE_TABLE(of, sun4i_usb_phy_of_match); > @@ -595,6 +622,7 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev) > mutex_init(&data->mutex); > INIT_DELAYED_WORK(&data->detect, sun4i_usb_phy0_id_vbus_det_scan); > dev_set_drvdata(dev, data); > + data->dev = dev; > data->cfg = match->data; > > res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy_ctrl"); > -- > 2.5.0 > > -- > 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 -- 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