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TEST: linux-ti-staging: Add testing dtbo and build command
This is for flow testing a change we want to make in our internal testing flow. This will never be a patch we carry forward. This is purely for proof of concept at this time. Signed-off-by: Ryan Eatmon <reatmon@ti.com>
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Ryan Eatmon
@@ -0,0 +1,179 @@
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From: Neha Malcom Francis <n-francis@ti.com>
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To: <reatmon@ti.com>, <n-francis@ti.com>
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Subject: [systest POC PATCH] arm64: boot: dts: ti: Create a test DTSO for AM63x LPM WKUP
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Date: Mon, 1 Jun 2026 16:13:05 +0530
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Creating a test DTSO that can be used in LCPD-T11257 to verify the flow
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for moving out all test DTSOs from lcpd-test-builds to kernel.
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Upstream-Status: Pending
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Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
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---
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.../ti/k3-am62x-sk-lpm-wkup-sources-test.dtso | 125 ++++++++++++++++++
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1 file changed, 125 insertions(+)
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create mode 100644 arch/arm64/boot/dts/ti/k3-am62x-sk-lpm-wkup-sources-test.dtso
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diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-lpm-wkup-sources-test.dtso b/arch/arm64/boot/dts/ti/k3-am62x-sk-lpm-wkup-sources-test.dtso
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new file mode 100644
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index 000000000000..aae7c3017715
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--- /dev/null
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+++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-lpm-wkup-sources-test.dtso
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@@ -0,0 +1,125 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/**
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+ * AM62 family of devices can wakeup from Low Power Modes via
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+ * multiple wakeup sources. This overlay enables MAIN GPIO, MCU GPIO,
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+ * and MCU MCAN pins.
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+ *
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+ * Copyright (C) 2023 Texas Instruments Incorporated - http://www.ti.com/
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+ */
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+
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+/dts-v1/;
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+/plugin/;
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+
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+#include <dt-bindings/input/input.h>
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+#include <dt-bindings/gpio/gpio.h>
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+#include <dt-bindings/interrupt-controller/irq.h>
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+#include <dt-bindings/interrupt-controller/arm-gic.h>
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+
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+#include "k3-pinctrl.h"
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+
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+&{/} {
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+ gpio_key {
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+ compatible = "gpio-keys";
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+ autorepeat;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&main_gpio1_pins_default>;
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+ switch {
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+ label = "WKGPIO";
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+ linux,code = <KEY_WAKEUP>;
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+ interrupts-extended = <&main_gpio1 13 IRQ_TYPE_EDGE_RISING>,
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+ <&main_pmx0 0x1ac>;
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+ interrupt-names = "irq", "wakeup";
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+ };
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+ };
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+
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+ mcu_gpio_key {
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+ compatible = "gpio-keys";
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+ autorepeat;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&wake_mcugpio1_pins_default>;
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+ interrupt-parent = <&mcu_gpio0>;
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+ interrupts = <5 IRQ_TYPE_EDGE_RISING>;
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+ switch {
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+ label = "MCUGPIO";
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+ linux,code = <143>;
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+ gpios = <&mcu_gpio0 5 GPIO_ACTIVE_LOW>;
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+ wakeup-source;
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+ };
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+ };
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+};
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+
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+&main_pmx0 {
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+ main_gpio1_pins_default: main-gpio1-pins-default {
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+ pinctrl-single,pins = <
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+ AM62X_IOPAD(0x1ac, PIN_INPUT_PULLUP, 7) /* (D15) MCASP0_AFSR.GPIO1_13 */
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+ >;
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+ };
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+};
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+
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+&mcu_pmx0 {
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+ wake_mcugpio1_pins_default: wake-mcugpio1-pins-default {
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+ pinctrl-single,pins = <
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+ AM62X_MCU_IOPAD(0x0014, PIN_INPUT, 7) /* (A8) MCU_UART0_RXD.MCU_GPIO0_5 */
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+ >;
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+ };
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+
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+ mcu_mcan0_tx_pins_default: mcu-mcan0-tx-pins-default {
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+ pinctrl-single,pins = <
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+ AM62X_IOPAD(0x034, PIN_OUTPUT, 0) /* (D6) MCU_MCAN0_TX */
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+ >;
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+ };
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+
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+ mcu_mcan0_rx_pins_default: mcu-mcan0-rx-pins-default {
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+ pinctrl-single,pins = <
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+ AM62X_IOPAD(0x038, PIN_INPUT, 0) /* (B3) MCU_MCAN0_RX */
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+ >;
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+ };
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+
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+ mcu_mcan0_rx_pins_wakeup: mcu-mcan0-rx-pins-wakeup {
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+ pinctrl-single,pins = <
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+ AM62X_IOPAD(0x038, PIN_INPUT | PIN_WKUP_EN, 0) /* (B3) MCU_MCAN0_RX */
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+ >;
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+ };
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+
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+ mcu_mcan1_tx_pins_default: mcu-mcan1-tx-pins-default {
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+ pinctrl-single,pins = <
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+ AM62X_IOPAD(0x03c, PIN_OUTPUT, 0) /* (E5) MCU_MCAN1_TX */
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+ >;
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+ };
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+
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+ mcu_mcan1_rx_pins_default: mcu-mcan1-rx-pins-default {
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+ pinctrl-single,pins = <
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+ AM62X_IOPAD(0x040, PIN_INPUT, 0) /* (D4) MCU_MCAN1_RX */
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+ >;
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+ };
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+
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+ mcu_mcan1_rx_pins_wakeup: mcu-mcan1-rx-pins-wakeup {
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+ pinctrl-single,pins = <
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+ AM62X_IOPAD(0x040, PIN_INPUT | PIN_WKUP_EN, 0) /* (D4) MCU_MCAN1_RX */
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+ >;
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+ };
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+};
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+
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+&mcu_gpio0 {
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+ status = "okay";
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+};
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+
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+&mcu_gpio_intr {
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+ status = "okay";
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+};
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+
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+&mcu_mcan0 {
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+ pinctrl-names = "default", "wakeup";
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+ pinctrl-0 = <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_default>;
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+ pinctrl-1 = <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_wakeup>;
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+ wakeup-source = "suspend", "poweroff";
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+ status = "okay";
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+};
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+
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+&mcu_mcan1 {
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+ pinctrl-names = "default", "wakeup";
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+ pinctrl-0 = <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_default>;
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+ pinctrl-1 = <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_wakeup>;
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+ wakeup-source = "suspend", "poweroff";
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+ status = "okay";
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+};
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--
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2.34.1
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@@ -46,3 +46,9 @@ SRC_URI:append:k3 = " \
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KERNEL_CONFIG_FRAGMENTS:append:k3 = " \
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${@bb.utils.contains('DISTRO_FEATURES', 'luks', '${UNPACKDIR}/luks-ftpm.cfg', '', d)} \
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"
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SRC_URI:append:tie-test-builds = " file://0001-dtbo-test.patch"
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do_compile:prepend:tie-test-builds () {
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echo "dtb-\$(CONFIG_ARCH_K3) += k3-am62x-sk-lpm-wkup-sources-test.dtbo" >> ${S}/arch/arm64/boot/dts/ti/Makefile
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}
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