From dba27d026fc841d28a0ed373f617cc84ec0e4504 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Wed, 28 Aug 2024 09:39:01 +0200 Subject: [PATCH] arm64: dts: ti: iot2050: Add overlays for M.2 used by firmware To allow firmware to pick up all DTs from here, move the overlays that are normally applied during DT fixup to the kernel source as well. Hook then into the build nevertheless to ensure that regular checks are performed. Signed-off-by: Jan Kiszka Link: https://lore.kernel.org/r/91f8b825467651ebd51a4051f153ab136eeb1849.1724830741.git.jan.kiszka@siemens.com Signed-off-by: Nishanth Menon --- arch/arm64/boot/dts/ti/Makefile | 6 +++ ...48-iot2050-advanced-m2-bkey-ekey-pcie.dtso | 27 +++++++++++ ...-am6548-iot2050-advanced-m2-bkey-usb3.dtso | 47 +++++++++++++++++++ 3 files changed, 80 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie.dtso create mode 100644 arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-usb3.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index e20b27ddf901..8dbe7b4979c7 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -73,10 +73,16 @@ k3-am654-gp-evm-dtbs := k3-am654-base-board.dtb \ k3-am654-pcie-usb3.dtbo k3-am654-evm-dtbs := k3-am654-base-board.dtb k3-am654-icssg2.dtbo k3-am654-idk-dtbs := k3-am654-evm.dtb k3-am654-idk.dtbo k3-am654-pcie-usb2.dtbo +k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie-dtbs := k3-am6548-iot2050-advanced-m2.dtb \ + k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie.dtbo +k3-am6548-iot2050-advanced-m2-bkey-usb3-dtbs := k3-am6548-iot2050-advanced-m2.dtb \ + k3-am6548-iot2050-advanced-m2-bkey-usb3.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic.dtb dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic-pg2.dtb dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced.dtb dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-m2.dtb +dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie.dtb +dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-m2-bkey-usb3.dtb dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-pg2.dtb dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-sm.dtb dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb diff --git a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie.dtso b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie.dtso new file mode 100644 index 000000000000..666237f6d79c --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie.dtso @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * IOT2050 M.2 variant, overlay for B-key PCIE0_LANE0 + E-key PCIE1_LANE0 + * Copyright (c) Siemens AG, 2022-2024 + * + * Authors: + * Chao Zeng + * Jan Kiszka + */ + +/dts-v1/; +/plugin/; + +#include +#include + +&pcie0_rc { + num-lanes = <1>; + phys = <&serdes0 PHY_TYPE_PCIE 1>; + phy-names = "pcie-phy0"; + reset-gpios = <&main_gpio1 15 GPIO_ACTIVE_HIGH>; + status = "okay"; +}; + +&pcie1_rc { + status = "okay"; +}; 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 + * Jan Kiszka + */ + +/dts-v1/; +/plugin/; + +#include +#include + +&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; +}; -- 2.25.1