MLK-23596-2 ARM64: dtsi: imx8mp: add soft-itp-sync property for usb

SOFITPSYNC
If this bit is set to '0' operating in host mode, the core keeps the
UTMI/ULPI PHY on the first port in a non-suspended state whenever there
is a SuperSpeed port that is not in Rx.Detect, SS.Disable and U3.
If this bit is set to '1' operating in host mode, the core keeps the
UTMI/ULPI PHY on the first port in a non-suspended state whenever the
other non-SuperSpeed ports are not in a suspended state. This feature is
useful because it saves power by suspending UTMI/ULPI when SuperSpeed
only is active, and it helps resolve when the PHY does not transmit a
host resume unless it is placed in suspend state. This bit must be
programmed as a part of initialization at power-on reset, and must not
be dynamically changed afterwards.

with this property specified, this bit is set to be 1.

Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 3a4930d9d136..18951b092372 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1959,6 +1959,7 @@
 			xhci-no-64bit-support;
 			usb3-resume-missing-cas;
 			snps,dis-u2-freeclk-exists-quirk;
+			snps,soft-itp-sync;
 			snps,dis_u3_susphy_quirk;
 			status = "disabled";
 		};
@@ -2000,6 +2001,7 @@
 			xhci-no-64bit-support;
 			usb3-resume-missing-cas;
 			snps,dis-u2-freeclk-exists-quirk;
+			snps,soft-itp-sync;
 			snps,dis_u3_susphy_quirk;
 			status = "disabled";
 		};