summaryrefslogtreecommitdiffstats
path: root/dts/Bindings/usb/ci-hdrc-usb2.txt
diff options
context:
space:
mode:
authorSascha Hauer <s.hauer@pengutronix.de>2020-11-09 12:38:26 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2020-11-09 13:42:10 +0100
commit119c632f12509eab4bc58daf629c4b16fffcedca (patch)
tree34366b3095d957178b46be47f628a3926ad35ac3 /dts/Bindings/usb/ci-hdrc-usb2.txt
parent89b766c63f94b5fe94db75a6f197c9e6c0f9da7e (diff)
downloadbarebox-119c632f12509eab4bc58daf629c4b16fffcedca.tar.gz
barebox-119c632f12509eab4bc58daf629c4b16fffcedca.tar.xz
dts: update to v5.10-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/usb/ci-hdrc-usb2.txt')
-rw-r--r--dts/Bindings/usb/ci-hdrc-usb2.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/dts/Bindings/usb/ci-hdrc-usb2.txt b/dts/Bindings/usb/ci-hdrc-usb2.txt
index 51376cbe5f..a5c5db6a0b 100644
--- a/dts/Bindings/usb/ci-hdrc-usb2.txt
+++ b/dts/Bindings/usb/ci-hdrc-usb2.txt
@@ -100,6 +100,15 @@ i.mx specific properties
It's recommended to specify the over current polarity.
- power-active-high: power signal polarity is active high
- external-vbus-divider: enables off-chip resistor divider for Vbus
+- samsung,picophy-pre-emp-curr-control: HS Transmitter Pre-Emphasis Current
+ Control. This signal controls the amount of current sourced to the
+ USB_OTG*_DP and USB_OTG*_DN pins after a J-to-K or K-to-J transition.
+ The range is from 0x0 to 0x3, the default value is 0x1.
+ Details can refer to TXPREEMPAMPTUNE0 bits of USBNC_n_PHY_CFG1.
+- samsung,picophy-dc-vol-level-adjust: HS DC Voltage Level Adjustment.
+ Adjust the high-speed transmitter DC level voltage.
+ The range is from 0x0 to 0xf, the default value is 0x3.
+ Details can refer to TXVREFTUNE0 bits of USBNC_n_PHY_CFG1.
Example: