diff options
author | Jan Kiszka <jan.kiszka@siemens.com> | 2021-10-05 12:04:50 +0200 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2021-10-11 15:02:50 -0400 |
commit | 08ad739f382dae83d5bb30fa43e56d19b14daa20 (patch) | |
tree | 0c1cb67bbbf65a1188dfcccc30fd096c9eb062f5 /arch | |
parent | ce543d0d4ea39dae5828e59d21897a1a00b89ac4 (diff) | |
download | u-boot-08ad739f382dae83d5bb30fa43e56d19b14daa20.zip u-boot-08ad739f382dae83d5bb30fa43e56d19b14daa20.tar.gz u-boot-08ad739f382dae83d5bb30fa43e56d19b14daa20.tar.bz2 |
arm: dts: Update IOT2050 device tree filesWIP/2021-10-11-TI-platform-updates
This fixes the usage of the USB 3.0-capable port under U-Boot as USB
2.0-only port.
Original patch by Chao Zeng.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/dts/k3-am65-iot2050-common-pg2-u-boot.dtsi | 27 | ||||
-rw-r--r-- | arch/arm/dts/k3-am65-iot2050-common-pg2.dtsi | 4 |
2 files changed, 30 insertions, 1 deletions
diff --git a/arch/arm/dts/k3-am65-iot2050-common-pg2-u-boot.dtsi b/arch/arm/dts/k3-am65-iot2050-common-pg2-u-boot.dtsi new file mode 100644 index 0000000..64dddce --- /dev/null +++ b/arch/arm/dts/k3-am65-iot2050-common-pg2-u-boot.dtsi @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) Siemens AG, 2018-2021 + * + * Authors: + * Chao Zeng <chao.zeng@siemens.com> + * + * U-Boot bits of the IOT2050 Advanced PG2 variants + * (downgrade of usb0 to USB 2.0 mode) + */ + +&serdes0 { + status = "disabled"; +}; + +&dwc3_0 { + assigned-clock-parents = <&k3_clks 151 4>, /* set REF_CLK to 20MHz i.e. PER0_PLL/48 */ + <&k3_clks 151 9>; /* set PIPE3_TXB_CLK to CLK_12M_RC/256 (for HS only) */ + /delete-property/ phys; + /delete-property/ phy-names; +}; + +&usb0 { + maximum-speed = "high-speed"; + /delete-property/ snps,dis-u1-entry-quirk; + /delete-property/ snps,dis-u2-entry-quirk; +}; diff --git a/arch/arm/dts/k3-am65-iot2050-common-pg2.dtsi b/arch/arm/dts/k3-am65-iot2050-common-pg2.dtsi index c25bce7..e7e0ca4 100644 --- a/arch/arm/dts/k3-am65-iot2050-common-pg2.dtsi +++ b/arch/arm/dts/k3-am65-iot2050-common-pg2.dtsi @@ -44,8 +44,10 @@ phy-names = "usb3-phy"; }; -&usb0_phy { +&usb0 { maximum-speed = "super-speed"; snps,dis-u1-entry-quirk; snps,dis-u2-entry-quirk; }; + +#include "k3-am65-iot2050-common-pg2-u-boot.dtsi" |