openwrt/target/linux/cns3xxx/patches-4.4/210-dwc2_defaults.patch

--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -144,6 +144,34 @@ static int __dwc2_lowlevel_hw_enable(str
 	return ret;
 }
 
+static const struct dwc2_core_params params_cns3xxx = {
+	.otg_cap			= 2,	/* non-HNP/non-SRP capable */
+	.otg_ver			= 0,	/* 1.3 */
+	.dma_enable			= 1,
+	.dma_desc_enable		= 0,
+	.speed				= 0,	/* High Speed */
+	.enable_dynamic_fifo		= 1,
+	.en_multiple_tx_fifo		= 1,
+	.host_rx_fifo_size		= 658,	/* 774 DWORDs */
+	.host_nperio_tx_fifo_size	= 128,	/* 256 DWORDs */
+	.host_perio_tx_fifo_size	= 658,	/* 512 DWORDs */
+	.max_transfer_size		= 65535,
+	.max_packet_count		= 511,
+	.host_channels			= 16,
+	.phy_type			= 1,	/* UTMI */
+	.phy_utmi_width			= 16,	/* 8 bits */
+	.phy_ulpi_ddr			= 0,	/* Single */
+	.phy_ulpi_ext_vbus		= 0,
+	.i2c_enable			= 0,
+	.ulpi_fs_ls			= 0,
+	.host_support_fs_ls_low_power	= 0,
+	.host_ls_low_power_phy_clk	= 0,	/* 48 MHz */
+	.ts_dline			= 0,
+	.reload_ctl			= 0,
+	.ahbcfg				= 0x10,
+	.uframe_sched			= 0,
+};
+
 /**
  * dwc2_lowlevel_hw_enable - enable platform lowlevel hw resources
  * @hsotg: The driver state
@@ -344,6 +372,9 @@ static int dwc2_driver_probe(struct plat
 		/* Default all params to autodetect */
 		dwc2_set_all_params(&defparams, -1);
 		params = &defparams;
+#ifdef CONFIG_ARCH_CNS3XXX
+		params = &params_cns3xxx;
+#endif
 
 		/*
 		 * Disable descriptor dma mode by default as the HW can support