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Signed-off-by: Frank Li --- drivers/usb/dwc3/dwc3-of-simple.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c index be7be00ecb349..0aa21ddd93cda 100644 --- a/drivers/usb/dwc3/dwc3-of-simple.c +++ b/drivers/usb/dwc3/dwc3-of-simple.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -52,6 +53,26 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) if (of_device_is_compatible(np, "rockchip,rk3399-dwc3")) simple->need_reset = true; + if (of_device_is_compatible(np, "fsl,ls1028a-dwc3")) { + struct device_node *np = dev->of_node; + struct property_entry props[2] = {}; + int prop_idx = 0, ret = 0; + struct device_node *dwc3_np __free(device_node) + = of_get_compatible_child(np, "snps,dwc3"); + + if (!dwc3_np) + return dev_err_probe(dev, -ENODEV, "failed to find dwc3 core child\n"); + + if (of_dma_is_coherent(dwc3_np)) + props[prop_idx++] = PROPERTY_ENTRY_U16("snps,gsbuscfg0-reqinfo", 0x2222); + + if (prop_idx) + ret = device_create_managed_software_node(dev, props, NULL); + + if (ret) + return ret; + } + simple->resets = of_reset_control_array_get_optional_exclusive(np); if (IS_ERR(simple->resets)) { ret = PTR_ERR(simple->resets); @@ -174,6 +195,7 @@ static const struct of_device_id of_dwc3_simple_match[] = { { .compatible = "hisilicon,hi3670-dwc3" }, { .compatible = "hisilicon,hi3798mv200-dwc3" }, { .compatible = "intel,keembay-dwc3" }, + { .compatible = "fsl,ls1028a-dwc3" }, { /* Sentinel */ } }; MODULE_DEVICE_TABLE(of, of_dwc3_simple_match);