105bef466a
Sanitized research log, build/reproducibility docs, DTS, kernel configs, patches, initramfs sources, bootchain migration plans and test logs. B5 direct boot PASS; B6 modem lifecycle in progress. No dumps, NV/EFS, vendor firmware or device identifiers included.
53 lines
1.8 KiB
Diff
53 lines
1.8 KiB
Diff
--- msm8916-jz08-aurora.dts 2026-09-29 23:46:05.613692870 +0600
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+++ msm8916-jz08-aurora-usb1.dts 2026-09-30 03:41:18.973233454 +0600
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@@ -1,7 +1,7 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Project Aurora — JZ08AU-XPA-7J-R3 (MSM8916, 512 MB, ST7735S SPI panel).
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- * RAM-BOOT #1: kernel + UART console only. Everything that could touch
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+ * RAM-BOOT USB1: kernel + UART console + USB peripheral (NCM gadget). Everything that could touch
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* storage, radios or power management is explicitly disabled.
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*
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* Hardware facts from stock Aurora dtb_01 (see NOTES.md S2.1/S12):
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@@ -11,10 +11,10 @@
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/dts-v1/;
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-#include "msm8916.dtsi"
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+#include "msm8916-pm8916.dtsi" /* + RPM regulators (USB PHY L7/L13) */
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/ {
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- model = "JZ08AU Aurora (RAM boot 1)";
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+ model = "JZ08AU Aurora (RAM boot USB1)";
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compatible = "jz08au,aurora", "qcom,msm8916";
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chassis-type = "embedded";
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@@ -37,8 +37,27 @@
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/* --- RAM boot #1 safety: no storage, no radios, no USB --- */
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&sdhc_1 { status = "disabled"; }; /* eMMC: must stay untouched */
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&sdhc_2 { status = "disabled"; };
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-&usb { status = "disabled"; };
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+/* usb: see peripheral block below */
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&mpss { status = "disabled"; };
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&bam_dmux { status = "disabled"; };
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&bam_dmux_dma { status = "disabled"; };
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&wcnss { status = "disabled"; }; /* WCNSS/pronto remoteproc */
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+
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+/*
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+ * USB peripheral only (ChipIdea ci-hdrc + qcom,usb-hs-phy-msm8916, upstream bindings).
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+ * Stock Aurora: HSUSB_1p8 = L7 1.8 V, HSUSB_3p3 = L13 3.075 V, otg-control = 2 (PMIC VBUS detect),
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+ * PHY init-seq identical to upstream. VBUS detect via PM8916 USB_IN (as on JZ02). No host, no role switch.
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+ */
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+&pm8916_usbin {
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+ status = "okay";
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+};
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+
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+&usb {
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+ dr_mode = "peripheral";
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+ extcon = <&pm8916_usbin>;
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+ status = "okay";
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+};
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+
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+&usb_hs_phy {
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+ extcon = <&pm8916_usbin>;
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+};
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