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you @@ -433,6 +436,21 @@ static int da8xx_musb_exit(struct musb *musb) return 0; } +static inline u8 get_vbus_power(struct device *dev) +{ + struct regulator *vbus_supply; + int current_uA; + + vbus_supply = regulator_get_optional(dev, "vbus"); + if (IS_ERR(vbus_supply)) + return 255; + current_uA = regulator_get_current_limit(vbus_supply); + regulator_put(vbus_supply); + if (current_uA <= 0 || current_uA > 510000) + return 255; + return current_uA / 1000 / 2; +} + static const struct musb_platform_ops da8xx_ops = { .quirks = MUSB_DMA_CPPI | MUSB_INDEXED_EP, .init = da8xx_musb_init, @@ -458,6 +476,12 @@ static const struct platform_device_info da8xx_dev_info = { .dma_mask = DMA_BIT_MASK(32), }; +static const struct musb_hdrc_config da8xx_config = { + .ram_bits = 10, + .num_eps = 5, + .multipoint = 1, +}; + static int da8xx_probe(struct platform_device *pdev) { struct resource musb_resources[2]; @@ -465,6 +489,7 @@ static int da8xx_probe(struct platform_device *pdev) struct da8xx_glue *glue; struct platform_device_info pinfo; struct clk *clk; + struct device_node *np = pdev->dev.of_node; int ret; glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL); @@ -486,6 +511,16 @@ static int da8xx_probe(struct platform_device *pdev) glue->dev = &pdev->dev; glue->clk = clk; + if (IS_ENABLED(CONFIG_OF) && np) { + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + pdata->config = &da8xx_config; + pdata->mode = musb_get_mode(&pdev->dev); + pdata->power = get_vbus_power(&pdev->dev); + } + pdata->platform_ops = &da8xx_ops; glue->usb_phy = usb_phy_generic_register(); @@ -536,11 +571,22 @@ static int da8xx_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id da8xx_id_table[] = { + { + .compatible = "ti,da830-musb", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, da8xx_id_table); +#endif + static struct platform_driver da8xx_driver = { .probe = da8xx_probe, .remove = da8xx_remove, .driver = { .name = "musb-da8xx", + .of_match_table = of_match_ptr(da8xx_id_table), }, };