// SPDX-License-Identifier: GPL-2.0-only
/*
 * Project Aurora — JZ08AU-XPA-7J-R3 (MSM8916, 512 MB, ST7735S SPI panel).
 * RAM-BOOT MODEM1: EMMC1 + MPSS remoteproc (native Aurora firmware, rmtfs -r). No BAM-DMUX/WWAN/WCNSS. 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):
 *   console = BLSP1 UART2 serial@78b0000, GPIO4 (TX) / GPIO5 (RX), 115200 8N1.
 * RAM size (memory@80000000 reg) is filled in by lk2nd from SMEM.
 */

/dts-v1/;

#include "msm8916-pm8916.dtsi"	/* + RPM regulators (USB PHY L7/L13) */

/ {
	model = "JZ08AU Aurora (RAM boot QMI1)";
	compatible = "jz08au,aurora", "qcom,msm8916";
	chassis-type = "embedded";

	aliases {
		serial0 = &blsp_uart2;
		mmc0 = &sdhc_1;	/* eMMC */
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};
};

&blsp_uart2 {
	pinctrl-0 = <&blsp_uart2_console_default>;
	pinctrl-1 = <&blsp_uart2_console_sleep>;
	pinctrl-names = "default", "sleep";
	status = "okay";
};

/* --- RAM boot MODEM1 safety: no SD slot, no Wi-Fi, no modem data plane --- */
/* sdhc_1 (eMMC): enabled below, READ-ONLY enforced by initramfs (blockdev --setro) */
&sdhc_2 { status = "disabled"; };
/* usb: see peripheral block below */
/* mpss: enabled below */
&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>;
};

/*
 * Internal eMMC (stock: bootdevice=7824900.sdhci, qcom,bus-width 8, nonremovable,
 * vdd = 8916_l8 2.85-2.9 V, vdd-io = 8916_l5 1.8 V). Upstream msm8916.dtsi already provides
 * bus-width = <8>, non-removable, mmc-ddr-1_8v (no HS200 = conservative), sdc1 pinctrl;
 * msm8916-pm8916.dtsi provides vmmc = pm8916_l8, vqmmc = pm8916_l5. Only enable it here.
 */
&sdhc_1 {
	status = "okay";
};

/*
 * MPSS (modem) remoteproc, native Aurora firmware from the RO-mounted modem FAT.
 * mpss_mem: stock Aurora "modem_adsp_region" base 0x86800000 size 78 MiB (0x4e00000);
 * Aurora modem.mdt load span 0x86800000..0x8b300000 (75 MiB), same as stock PIL log.
 * mba_mem: upstream dynamic 1 MiB. pll-supply (pm8916_l7), cx/mx rpmpd from msm8916(-pm8916).dtsi.
 * Driver has auto_boot = false: MSS starts only when rmtfs (-s) requests it.
 * BAM-DMUX stays disabled (no data plane at this stage).
 */
&mba_mem {
	status = "okay";
};

&mpss_mem {
	reg = <0x0 0x86800000 0x0 0x4e00000>;
	status = "okay";
};

&mpss {
	pinctrl-0 = <&sim_ctrl_default>;
	pinctrl-names = "default";
	status = "okay";
};

/*
 * SIM routing as found on stock Aurora (dtb_01 gpio-leds default-state and live
 * Android /sys/kernel/debug/gpio): gpio1 (sim3_switch) high, gpio20 (sim_hotdet),
 * gpio22 (sim1_switch), gpio23 (sim2_switch) low. Passive routing only.
 */
&tlmm {
	sim_ctrl_default: sim-ctrl-default-state {
		sim-low-pins {
			pins = "gpio20", "gpio22", "gpio23";
			function = "gpio";
			bias-disable;
			output-low;
		};

		sim-high-pins {
			pins = "gpio1";
			function = "gpio";
			bias-disable;
			output-high;
		};
	};
};