lantiq: dwc2 parameters for danube

Parameters for dwc2 on lantiq.

A separate dwc2_core_params structure is defined for danube because danube
fifo sizes are large enough to be autodetected. This is not the case on
arx and vrx.

Signed-off-by: Ben Mulvihill <ben.mulvihill@gmail.com>

target/linux/lantiq/patches-4.4/0041-USB-DWC2-add-ltq-params.patch

@@ -1,6 +1,6 @@
 --- a/drivers/usb/dwc2/platform.c
 +++ b/drivers/usb/dwc2/platform.c
-@@ -145,6 +145,34 @@ static int __dwc2_lowlevel_hw_enable(str
+@@ -145,6 +145,62 @@ static int __dwc2_lowlevel_hw_enable(str
  	return ret;
  }
  
@@ -31,14 +31,43 @@
 +	.ahbcfg				= GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT,
 +	.uframe_sched			= -1,
 +};
++
++static const struct dwc2_core_params params_danube = {
++	.otg_cap			=  2,	/* non-HNP/non-SRP */
++	.otg_ver			= -1,
++	.dma_enable			= -1,
++	.dma_desc_enable		= -1,
++	.speed				= -1,
++	.enable_dynamic_fifo		= -1,
++	.en_multiple_tx_fifo		= -1,
++	.host_rx_fifo_size		= -1,
++	.host_nperio_tx_fifo_size	= -1,
++	.host_perio_tx_fifo_size	= -1,
++	.max_transfer_size		= -1,
++	.max_packet_count		= -1,
++	.host_channels			= -1,
++	.phy_type			= -1,
++	.phy_utmi_width			= -1,
++	.phy_ulpi_ddr			= -1,
++	.phy_ulpi_ext_vbus		= -1,
++	.i2c_enable			= -1,
++	.ulpi_fs_ls			= -1,
++	.host_support_fs_ls_low_power	= -1,
++	.host_ls_low_power_phy_clk	= -1,
++	.ts_dline			= -1,
++	.reload_ctl			= -1,
++	.ahbcfg				= -1,
++	.uframe_sched			= -1,
++};
 +
  /**
   * dwc2_lowlevel_hw_enable - enable platform lowlevel hw resources
   * @hsotg: The driver state
-@@ -310,6 +338,8 @@ static int dwc2_driver_remove(struct pla
+@@ -310,6 +366,9 @@ static int dwc2_driver_remove(struct pla
  static const struct of_device_id dwc2_of_match_table[] = {
  	{ .compatible = "brcm,bcm2835-usb", .data = &params_bcm2835 },
  	{ .compatible = "rockchip,rk3066-usb", .data = &params_rk3066 },
++	{ .compatible = "lantiq,ifxhcd-danube-dwc2", .data = &params_danube },
 +	{ .compatible = "lantiq,ifxhcd-arx100-dwc2", .data = &params_ltq },
 +	{ .compatible = "lantiq,ifxhcd-xrx200-dwc2", .data = &params_ltq },
  	{ .compatible = "snps,dwc2", .data = NULL },