--- msm8916-jz08-aurora.dts	2026-09-29 23:46:05.613692870 +0600
+++ msm8916-jz08-aurora-usb1.dts	2026-09-30 03:41:18.973233454 +0600
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Project Aurora — JZ08AU-XPA-7J-R3 (MSM8916, 512 MB, ST7735S SPI panel).
- * RAM-BOOT #1: kernel + UART console only. Everything that could touch
+ * RAM-BOOT USB1: kernel + UART console + USB peripheral (NCM gadget). Everything that could touch
  * storage, radios or power management is explicitly disabled.
  *
  * Hardware facts from stock Aurora dtb_01 (see NOTES.md S2.1/S12):
@@ -11,10 +11,10 @@
 
 /dts-v1/;
 
-#include "msm8916.dtsi"
+#include "msm8916-pm8916.dtsi"	/* + RPM regulators (USB PHY L7/L13) */
 
 / {
-	model = "JZ08AU Aurora (RAM boot 1)";
+	model = "JZ08AU Aurora (RAM boot USB1)";
 	compatible = "jz08au,aurora", "qcom,msm8916";
 	chassis-type = "embedded";
 
@@ -37,8 +37,27 @@
 /* --- RAM boot #1 safety: no storage, no radios, no USB --- */
 &sdhc_1 { status = "disabled"; };	/* eMMC: must stay untouched */
 &sdhc_2 { status = "disabled"; };
-&usb { status = "disabled"; };
+/* usb: see peripheral block below */
 &mpss { status = "disabled"; };
 &bam_dmux { status = "disabled"; };
 &bam_dmux_dma { status = "disabled"; };
 &wcnss { status = "disabled"; };	/* WCNSS/pronto remoteproc */
+
+/*
+ * USB peripheral only (ChipIdea ci-hdrc + qcom,usb-hs-phy-msm8916, upstream bindings).
+ * Stock Aurora: HSUSB_1p8 = L7 1.8 V, HSUSB_3p3 = L13 3.075 V, otg-control = 2 (PMIC VBUS detect),
+ * PHY init-seq identical to upstream. VBUS detect via PM8916 USB_IN (as on JZ02). No host, no role switch.
+ */
+&pm8916_usbin {
+	status = "okay";
+};
+
+&usb {
+	dr_mode = "peripheral";
+	extcon = <&pm8916_usbin>;
+	status = "okay";
+};
+
+&usb_hs_phy {
+	extcon = <&pm8916_usbin>;
+};