diff options
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-usb3.dtso')
-rw-r--r-- | arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-usb3.dtso | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-usb3.dtso b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-usb3.dtso new file mode 100644 index 000000000000..0f86235c9771 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-usb3.dtso @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * IOT2050 M.2 variant, overlay for B-key USB3.0 + E-key PCIE1_LANE0 + * Copyright (c) Siemens AG, 2022-2024 + * + * Authors: + * Chao Zeng <chao.zeng@siemens.com> + * Jan Kiszka <jan.kiszka@siemens.com> + */ + +/dts-v1/; +/plugin/; + +#include <dt-bindings/phy/phy.h> +#include <dt-bindings/gpio/gpio.h> + +&serdes0 { + assigned-clock-parents = <&k3_clks 153 7>, <&k3_clks 153 4>; +}; + +&pcie0_rc { + status = "disabled"; +}; + +&pcie1_rc { + pinctrl-names = "default"; + pinctrl-0 = <&minipcie_pins_default>; + + num-lanes = <1>; + phys = <&serdes1 PHY_TYPE_PCIE 0>; + phy-names = "pcie-phy0"; + reset-gpios = <&wkup_gpio0 27 GPIO_ACTIVE_HIGH>; + status = "okay"; +}; + +&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; +}; |