diff options
Diffstat (limited to 'drivers/usb/dwc3/dwc3-meson-g12a.c')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-meson-g12a.c | 56 |
1 files changed, 32 insertions, 24 deletions
diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c index 88b75b5a039c..417e05381b5d 100644 --- a/drivers/usb/dwc3/dwc3-meson-g12a.c +++ b/drivers/usb/dwc3/dwc3-meson-g12a.c @@ -116,23 +116,24 @@ static struct clk_bulk_data meson_a1_clocks[] = { { .id = "xtal_usb_ctrl" }, }; -static const char *meson_gxm_phy_names[] = { +static const char * const meson_gxm_phy_names[] = { "usb2-phy0", "usb2-phy1", "usb2-phy2", }; -static const char *meson_g12a_phy_names[] = { +static const char * const meson_g12a_phy_names[] = { "usb2-phy0", "usb2-phy1", "usb3-phy0", }; /* * Amlogic A1 has a single physical PHY, in slot 1, but still has the * two U2 PHY controls register blocks like G12A. + * AXG has the similar scheme, thus needs the same tweak. * Handling the first PHY on slot 1 would need a large amount of code * changes, and the current management is generic enough to handle it * correctly when only the "usb2-phy1" phy is specified on-par with the * DT bindings. */ -static const char *meson_a1_phy_names[] = { +static const char * const meson_a1_phy_names[] = { "usb2-phy0", "usb2-phy1" }; @@ -143,7 +144,7 @@ struct dwc3_meson_g12a_drvdata { bool otg_phy_host_port_disable; struct clk_bulk_data *clks; int num_clks; - const char **phy_names; + const char * const *phy_names; int num_phys; int (*setup_regmaps)(struct dwc3_meson_g12a *priv, void __iomem *base); int (*usb2_init_phy)(struct dwc3_meson_g12a *priv, int i, @@ -215,6 +216,19 @@ static struct dwc3_meson_g12a_drvdata gxm_drvdata = { .usb_post_init = dwc3_meson_gxl_usb_post_init, }; +static struct dwc3_meson_g12a_drvdata axg_drvdata = { + .otg_switch_supported = true, + .clks = meson_gxl_clocks, + .num_clks = ARRAY_SIZE(meson_gxl_clocks), + .phy_names = meson_a1_phy_names, + .num_phys = ARRAY_SIZE(meson_a1_phy_names), + .setup_regmaps = dwc3_meson_gxl_setup_regmaps, + .usb2_init_phy = dwc3_meson_gxl_usb2_init_phy, + .set_phy_mode = dwc3_meson_gxl_set_phy_mode, + .usb_init = dwc3_meson_g12a_usb_init, + .usb_post_init = dwc3_meson_gxl_usb_post_init, +}; + static struct dwc3_meson_g12a_drvdata g12a_drvdata = { .otg_switch_supported = true, .clks = meson_g12a_clocks, @@ -520,11 +534,7 @@ static int dwc3_meson_g12a_role_set(struct usb_role_switch *sw, return 0; if (priv->drvdata->otg_phy_host_port_disable) - dev_warn_once(priv->dev, "Manual OTG switch is broken on this "\ - "SoC, when manual switching from "\ - "Host to device, DWC3 controller "\ - "will need to be resetted in order "\ - "to recover usage of the Host port"); + dev_warn_once(priv->dev, "Broken manual OTG switch\n"); return dwc3_meson_g12a_otg_mode_set(priv, mode); } @@ -626,10 +636,7 @@ static int dwc3_meson_gxl_setup_regmaps(struct dwc3_meson_g12a *priv, /* GXL controls the PHY mode in the PHY registers unlike G12A */ priv->usb_glue_regmap = devm_regmap_init_mmio(priv->dev, base, &phy_meson_g12a_usb_glue_regmap_conf); - if (IS_ERR(priv->usb_glue_regmap)) - return PTR_ERR(priv->usb_glue_regmap); - - return 0; + return PTR_ERR_OR_ZERO(priv->usb_glue_regmap); } static int dwc3_meson_g12a_setup_regmaps(struct dwc3_meson_g12a *priv, @@ -737,13 +744,13 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev) goto err_disable_clks; } - ret = reset_control_deassert(priv->reset); + ret = reset_control_reset(priv->reset); if (ret) - goto err_assert_reset; + goto err_disable_clks; ret = dwc3_meson_g12a_get_phys(priv); if (ret) - goto err_assert_reset; + goto err_disable_clks; ret = priv->drvdata->setup_regmaps(priv, base); if (ret) @@ -752,7 +759,7 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev) if (priv->vbus) { ret = regulator_enable(priv->vbus); if (ret) - goto err_assert_reset; + goto err_disable_clks; } /* Get dr_mode */ @@ -765,13 +772,13 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev) ret = priv->drvdata->usb_init(priv); if (ret) - goto err_assert_reset; + goto err_disable_clks; /* Init PHYs */ for (i = 0 ; i < PHY_COUNT ; ++i) { ret = phy_init(priv->phys[i]); if (ret) - goto err_assert_reset; + goto err_disable_clks; } /* Set PHY Power */ @@ -809,9 +816,6 @@ err_phys_exit: for (i = 0 ; i < PHY_COUNT ; ++i) phy_exit(priv->phys[i]); -err_assert_reset: - reset_control_assert(priv->reset); - err_disable_clks: clk_bulk_disable_unprepare(priv->drvdata->num_clks, priv->drvdata->clks); @@ -909,8 +913,8 @@ static int __maybe_unused dwc3_meson_g12a_resume(struct device *dev) return ret; } - if (priv->vbus && priv->otg_phy_mode == PHY_MODE_USB_HOST) { - ret = regulator_enable(priv->vbus); + if (priv->vbus && priv->otg_phy_mode == PHY_MODE_USB_HOST) { + ret = regulator_enable(priv->vbus); if (ret) return ret; } @@ -934,6 +938,10 @@ static const struct of_device_id dwc3_meson_g12a_match[] = { .data = &gxm_drvdata, }, { + .compatible = "amlogic,meson-axg-usb-ctrl", + .data = &axg_drvdata, + }, + { .compatible = "amlogic,meson-g12a-usb-ctrl", .data = &g12a_drvdata, }, |