openwrt/target/linux/lantiq/patches-3.18/0041-USB-DWC2-add-ltq-params.patch
John Crispin d77c857509 lantiq: Add sensible hw-defaults for dwc2
Lantiq driver does not work with autodetected fifo sizes so use ones
from original ltq-hcd driver in dwc2. Other values can be
autodetected.

Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com>

SVN-Revision: 44674
2015-03-11 17:08:15 +00:00

46 lines
1.4 KiB
Diff

--- a/drivers/usb/dwc2/platform.c 2015-02-09 19:37:34.553109992 +0200
+++ b/drivers/usb/dwc2/platform.c 2015-02-09 19:38:30.090111260 +0200
@@ -105,6 +105,34 @@
.uframe_sched = -1,
};
+static const struct dwc2_core_params params_ltq = {
+ .otg_cap = -1,
+ .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 = 240, /* 240 DWORDs */
+ .host_nperio_tx_fifo_size = 240, /* 240 DWORDs */
+ .host_perio_tx_fifo_size = 32, /* 32 DWORDs */
+ .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_driver_remove() - Called when the DWC_otg core is unregistered with the
* DWC_otg driver
@@ -128,6 +156,7 @@
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-xrx200-dwc2", .data = &params_ltq },
{ .compatible = "snps,dwc2", .data = NULL },
{},
};