u-boot/arch/arm/dts/k3-am65-iot2050-common-pg2.dtsi
Jan Kiszka 08ad739f38 arm: dts: Update IOT2050 device tree files
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>
2021-10-11 15:02:50 -04:00

53 lines
1.3 KiB
Text

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) Siemens AG, 2021
*
* Authors:
* Chao Zeng <chao.zeng@siemens.com>
* Jan Kiszka <jan.kiszka@siemens.com>
*
* Common bits of the IOT2050 Basic and Advanced variants, PG2
*/
&main_pmx0 {
cp2102n_reset_pin_default: cp2102n-reset-pin-default {
pinctrl-single,pins = <
/* (AF12) GPIO1_24, used as cp2102 reset */
AM65X_IOPAD(0x01e0, PIN_OUTPUT, 7)
>;
};
};
&main_gpio1 {
pinctrl-names = "default";
pinctrl-0 = <&cp2102n_reset_pin_default>;
gpio-line-names =
"", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "", "", "",
"", "", "", "", "CP2102N-RESET";
};
&dss {
/* Workaround needed to get DP clock of 154Mhz */
assigned-clocks = <&k3_clks 67 0>;
};
&serdes0 {
assigned-clocks = <&k3_clks 153 4>, <&serdes0 AM654_SERDES_CMU_REFCLK>;
assigned-clock-parents = <&k3_clks 153 7>, <&k3_clks 153 4>;
};
&dwc3_0 {
assigned-clock-parents = <&k3_clks 151 4>, /* set REF_CLK to 20MHz i.e. PER0_PLL/48 */
<&k3_clks 151 8>; /* set PIPE3_TXB_CLK to WIZ8B2M4VSB */
phys = <&serdes0 PHY_TYPE_USB3 0>;
phy-names = "usb3-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"