usb: dwc2: Add support for Lantiq ARX and XRX SoCs

Add support for Lantiq ARX and XRX SoC families to the dwc2 driver.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index bc3f2a45a2bc..88629bed6614 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -149,6 +149,38 @@ static const struct dwc2_core_params params_rk3066 = {
         .hibernation                    = -1,
 };
 
+static const struct dwc2_core_params params_ltq = {
+        .otg_cap                        = 2,    /* non-HNP/non-SRP */
+        .otg_ver                        = -1,
+        .dma_enable                     = -1,
+        .dma_desc_enable                = -1,
+        .dma_desc_fs_enable             = -1,
+        .speed                          = -1,
+        .enable_dynamic_fifo            = -1,
+        .en_multiple_tx_fifo            = -1,
+        .host_rx_fifo_size              = 288,  /* 288 DWORDs */
+        .host_nperio_tx_fifo_size       = 128,  /* 128 DWORDs */
+        .host_perio_tx_fifo_size        = 96,   /* 96 DWORDs */
+        .max_transfer_size              = 65535,
+        .max_packet_count               = 511,
+        .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                         = GAHBCFG_HBSTLEN_INCR16 <<
+                                          GAHBCFG_HBSTLEN_SHIFT,
+        .uframe_sched                   = -1,
+        .external_id_pin_ctl            = -1,
+        .hibernation                    = -1,
+};
+
 /*
  * Check the dr_mode against the module configuration and hardware
  * capabilities.
@@ -428,6 +460,8 @@ static const struct of_device_id dwc2_of_match_table[] = {
         { .compatible = "brcm,bcm2835-usb", .data = &params_bcm2835 },
         { .compatible = "hisilicon,hi6220-usb", .data = &params_hi6220 },
         { .compatible = "rockchip,rk3066-usb", .data = &params_rk3066 },
+        { .compatible = "lantiq,arx100-usb", .data = &params_ltq },
+        { .compatible = "lantiq,xrx200-usb", .data = &params_ltq },
         { .compatible = "snps,dwc2", .data = NULL },
         { .compatible = "samsung,s3c6400-hsotg", .data = NULL},
         {},