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From: Stanislav Aleksandrov <lightofmysoul@gmail.com>
Date: Mon, 09 Nov 2026 00:33:29 +0000
Subject: [PATCH 17/17] arm64: dts: qcom: Add Samsung Galaxy XR
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Message-Id: <20261109-halliday-dts-v1-17-289114ab8197@gmail.com>
References: <20261109-halliday-dts-v1-0-289114ab8197@gmail.com>
In-Reply-To: <20261109-halliday-dts-v1-0-289114ab8197@gmail.com>
To: Bjorn Andersson <andersson@kernel.org>, 
 Konrad Dybcio <konradybcio@kernel.org>, Abel Vesa <abelvesa@kernel.org>, 
 Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, 
 Conor Dooley <conor+dt@kernel.org>, Robert Marko <robimarko@gmail.com>, 
 Guru Das Srinagesh <linux@gurudas.dev>, Thomas Gleixner <tglx@kernel.org>, 
 Radu Rendec <radu@rendec.net>, Lee Jones <lee@kernel.org>, 
 Will Deacon <will@kernel.org>, Robin Murphy <robin.murphy@arm.com>, 
 "Joerg Roedel (AMD)" <joro@8bytes.org>, 
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>, 
 Wesley Cheng <wesley.cheng@oss.qualcomm.com>, Vinod Koul <vkoul@kernel.org>, 
 Neil Armstrong <neil.armstrong@linaro.org>, 
 Manivannan Sadhasivam <mani@kernel.org>, 
 Alim Akhtar <alim.akhtar@samsung.com>, Bart Van Assche <bvanassche@acm.org>, 
 Bean Huo <beanhuo@micron.com>, Stanley Jhu <stanleyjhu@google.com>, 
 Herbert Xu <herbert@gondor.apana.org.au>, 
 "David S. Miller" <davem@davemloft.net>, 
 "Rafael J. Wysocki" <rafael@kernel.org>, 
 Viresh Kumar <viresh.kumar@linaro.org>, Amit Kucheria <amitk@kernel.org>, 
 Thara Gopinath <thara.gopinath@gmail.com>, 
 Daniel Lezcano <daniel.lezcano@kernel.org>, Zhang Rui <rui.zhang@intel.com>, 
 Lukasz Luba <lukasz.luba@arm.com>, Georgi Djakov <djakov@kernel.org>, 
 Sibi Sankar <sibi.sankar@oss.qualcomm.com>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, mfd@lists.linux.dev, 
 linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, 
 linux-usb@vger.kernel.org, linux-phy@lists.infradead.org, 
 linux-scsi@vger.kernel.org, linux-crypto@vger.kernel.org, 
 linux-pm@vger.kernel.org, Stanislav Aleksandrov <lightofmysoul@gmail.com>

Add the device tree for the Samsung Galaxy XR headset, which is based on
the Qualcomm Halliday SoC (SXR2250P).

Supported so far: the PMICs and their regulators, the power and volume
down keys, USB in high-speed peripheral mode and UFS storage.

Signed-off-by: Stanislav Aleksandrov <lightofmysoul@gmail.com>
---
 arch/arm64/boot/dts/qcom/Makefile                  |   1 +
 .../boot/dts/qcom/halliday-samsung-xrvst2.dts      | 218 +++++++++++++++++++++
 2 files changed, 219 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 88230c4e00ea..1a2638503f64 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -22,6 +22,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= glymur-crd.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= glymur-hp-elitebook-x-g2q.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= glymur-lenovo-yoga-slim7x.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= glymur-qcb.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= halliday-samsung-xrvst2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= hamoa-advantech-som-db5830.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= hamoa-iot-evk.dtb
 
diff --git a/arch/arm64/boot/dts/qcom/halliday-samsung-xrvst2.dts b/arch/arm64/boot/dts/qcom/halliday-samsung-xrvst2.dts
new file mode 100644
index 000000000000..6fcc1aaafd59
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/halliday-samsung-xrvst2.dts
@@ -0,0 +1,218 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2026, Stanislav Aleksandrov <lightofmysoul@gmail.com>
+ */
+
+/dts-v1/;
+
+#define PMK8550VE_SID 5
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+
+#include "halliday.dtsi"
+#include "pm7550.dtsi"
+#include "pm8550ve.dtsi"
+#include "pm8550vs.dtsi"
+#include "pmk8550.dtsi"
+
+/delete-node/ &adsp_mem;
+/delete-node/ &cdsp_mem;
+/delete-node/ &video_mem;
+
+/ {
+	model = "Samsung Galaxy XR";
+	compatible = "samsung,xrvst2", "qcom,halliday";
+	chassis-type = "headset";
+
+	reserved-memory {
+		video_mem: video-region@87c00000 {
+			reg = <0x0 0x87c00000 0x0 0x700000>;
+			no-map;
+		};
+
+		adsp_mem: adsp-region@88300000 {
+			reg = <0x0 0x88300000 0x0 0x3400000>;
+			no-map;
+		};
+
+		cdsp_mem: cdsp-region@8b700000 {
+			reg = <0x0 0x8b700000 0x0 0xf00000>;
+			no-map;
+		};
+
+		sec_xbl_ramdump_mem: sec-xbl-ramdump-region@a7d00000 {
+			reg = <0x0 0xa7d00000 0x0 0x300000>;
+			no-map;
+		};
+
+		uh_heap_mem: uh-heap-region@b0200000 {
+			reg = <0x0 0xb0200000 0x0 0x40000>;
+			no-map;
+		};
+
+		uh_guest_mem: uh-guest-region@b1000000 {
+			reg = <0x0 0xb1000000 0x0 0x1e00000>;
+			no-map;
+		};
+
+		splash_mem: splash-region@bfc00000 {
+			reg = <0x0 0xbfc00000 0x0 0x7e90000>;
+			no-map;
+		};
+
+		sec_debug_pool_mem: sec-debug-pool-region@800100000 {
+			reg = <0x8 0x00100000 0x0 0xff000>;
+			no-map;
+		};
+
+		sec_debug_log_mem: sec-debug-log-region@8001ff000 {
+			reg = <0x8 0x001ff000 0x0 0x901000>;
+			no-map;
+		};
+	};
+};
+
+&apps_rsc {
+	regulators-0 {
+		compatible = "qcom,pm7550-rpmh-regulators";
+		qcom,pmic-id = "b";
+
+		vreg_l1b_0p912: ldo1 {
+			regulator-name = "vreg_l1b_0p912";
+			regulator-min-microvolt = <912000>;
+			regulator-max-microvolt = <912000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l3b_1p2: ldo3 {
+			regulator-name = "vreg_l3b_1p2";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l10b_1p8: ldo10 {
+			regulator-name = "vreg_l10b_1p8";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l13b_2p504: ldo13 {
+			regulator-name = "vreg_l13b_2p504";
+			regulator-min-microvolt = <2504000>;
+			regulator-max-microvolt = <2504000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l15b_3p072: ldo15 {
+			regulator-name = "vreg_l15b_3p072";
+			regulator-min-microvolt = <3072000>;
+			regulator-max-microvolt = <3072000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	regulators-1 {
+		compatible = "qcom,pm8550vs-rpmh-regulators";
+		qcom,pmic-id = "c";
+
+		vreg_l2c_1p2: ldo2 {
+			regulator-name = "vreg_l2c_1p2";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	regulators-2 {
+		compatible = "qcom,pm8550vs-rpmh-regulators";
+		qcom,pmic-id = "d";
+
+		vreg_l1d_0p88: ldo1 {
+			regulator-name = "vreg_l1d_0p88";
+			regulator-min-microvolt = <880000>;
+			regulator-max-microvolt = <880000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	regulators-3 {
+		compatible = "qcom,pm8550ve-rpmh-regulators";
+		qcom,pmic-id = "f";
+
+		vreg_l2f_0p88: ldo2 {
+			regulator-name = "vreg_l2f_0p88";
+			regulator-min-microvolt = <880000>;
+			regulator-max-microvolt = <880000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+};
+
+&gcc {
+	vdda-refgen-0p9-supply = <&vreg_l2f_0p88>;
+	vdda-refgen-1p2-supply = <&vreg_l2c_1p2>;
+};
+
+&pm8550vs_c {
+	status = "okay";
+};
+
+&pm8550vs_d {
+	status = "okay";
+};
+
+&pon_pwrkey {
+	status = "okay";
+};
+
+&pon_resin {
+	linux,code = <KEY_VOLUMEDOWN>;
+
+	status = "okay";
+};
+
+&sleep_clk {
+	clock-frequency = <32764>;
+};
+
+&ufs_mem_hc {
+	reset-gpios = <&tlmm 224 GPIO_ACTIVE_LOW>;
+
+	vcc-supply = <&vreg_l13b_2p504>;
+	vcc-max-microamp = <1300000>;
+	vccq-supply = <&vreg_l3b_1p2>;
+	vccq-max-microamp = <1200000>;
+
+	status = "okay";
+};
+
+&ufs_mem_phy {
+	vdda-phy-supply = <&vreg_l2f_0p88>;
+	vdda-pll-supply = <&vreg_l2c_1p2>;
+
+	status = "okay";
+};
+
+&usb_1 {
+	dr_mode = "peripheral";
+	maximum-speed = "high-speed";
+	qcom,select-utmi-as-pipe-clk;
+
+	status = "okay";
+};
+
+&usb_1_hsphy {
+	vdda-pll-supply = <&vreg_l1d_0p88>;
+	vdda18-supply = <&vreg_l10b_1p8>;
+	vdda33-supply = <&vreg_l15b_3p072>;
+
+	status = "okay";
+};
+
+&xo_board {
+	clock-frequency = <76800000>;
+};

-- 
2.55.0