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authorChristian Lamparter <chunkeey@googlemail.com>2016-11-12 14:46:31 +0100
committerMathias Kresin <dev@kresin.me>2016-11-12 21:04:15 +0100
commit3a112113e7ae932ca5663a0591a738b00aea4b50 (patch)
treea190b9231330c7f699eea44196b51cb5b27828b2 /target/linux/apm821xx/patches-4.4
parent07bc0d60898d812f3c5793d4c020e748342176b2 (diff)
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apm821xx: add amcc, usb-otg-405ex devicetree definition
This patch adds support for the amcc,usb-otg-405ex device which is found in all APM82181 SoCs. Note: The system can't use the generic "snps,dwc2" compatible because of the special ahbcfg configuration. The default GAHBCFG_HBSTLEN_INCR4 of snps,dwc2 can cause a system hang when the USB and SATA is used concurrently. Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Diffstat (limited to 'target/linux/apm821xx/patches-4.4')
-rw-r--r--target/linux/apm821xx/patches-4.4/804-usb-dwc2-add-amcc-usb-otg-405ex.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/apm821xx/patches-4.4/804-usb-dwc2-add-amcc-usb-otg-405ex.patch b/target/linux/apm821xx/patches-4.4/804-usb-dwc2-add-amcc-usb-otg-405ex.patch
new file mode 100644
index 0000000000..e081761872
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.4/804-usb-dwc2-add-amcc-usb-otg-405ex.patch
@@ -0,0 +1,44 @@
+--- a/drivers/usb/dwc2/platform.c
++++ b/drivers/usb/dwc2/platform.c
+@@ -115,6 +115,37 @@ static const struct dwc2_core_params par
+ .hibernation = -1,
+ };
+
++static const struct dwc2_core_params params_amcc_dwc_otg = {
++ .otg_cap = DWC2_CAP_PARAM_HNP_SRP_CAPABLE,
++ .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 = GAHBCFG_HBSTLEN_INCR16 <<
++ GAHBCFG_HBSTLEN_SHIFT,
++ .uframe_sched = -1,
++ .external_id_pin_ctl = -1,
++ .hibernation = -1,
++};
++
+ static int __dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg)
+ {
+ struct platform_device *pdev = to_platform_device(hsotg->dev);
+@@ -309,2 +340,3 @@ static int dwc2_driver_remove(struct pla
+ static const struct of_device_id dwc2_of_match_table[] = {
++ { .compatible = "amcc,usb-otg-405ex", .data = &params_amcc_dwc_otg },
+ { .compatible = "brcm,bcm2835-usb", .data = &params_bcm2835 },