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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
arm64: dts: qcom: sm8450: add initial device tree for Samsung Galaxy S22
Adds new device support for the Samsung Galaxy S22 (SM-S901E) phone
Working features:
- simple-framebuffer
- side buttons
- storage
- usb
Signed-off-by: Eric Gonçalves <ghatto404@gmail.com>
Link: https://lore.kernel.org/r/20250615204438.1130213-2-ghatto404@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
authored by
Eric Gonçalves
and committed by
Bjorn Andersson
46952305
ebfe5797
+364
+364
arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts
+364
arch/arm64/boot/dts/qcom/sm8450-samsung-r0q.dts
···
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2025, Eric Gonçalves <ghatto404@gmail.com>
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*/
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/dts-v1/;
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#include <dt-bindings/input/linux-event-codes.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
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#include "sm8450.dtsi"
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#include "pm8350.dtsi"
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#include "pm8350b.dtsi"
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#include "pm8350c.dtsi"
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#include "pm8450.dtsi"
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#include "pmk8350.dtsi"
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#include "pmr735a.dtsi"
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/delete-node/ &xbl_ramdump_mem;
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/delete-node/ &xbl_sc_mem;
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/delete-node/ &adsp_mem;
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/delete-node/ &rmtfs_mem;
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/delete-node/ &mte_mem;
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/delete-node/ &trusted_apps_mem;
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/delete-node/ &trusted_apps_ext_mem;
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/ {
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chassis-type = "handset";
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model = "Samsung Galaxy S22 (SM-S901E)";
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compatible = "samsung,r0q", "qcom,sm8450";
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chosen {
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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bootargs = "clk_ignore_unused pd_ignore_unused";
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linux,initrd-start = <0x00 0xb6915000>;
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linux,initrd-end = <0x00 0xb7fff22c>;
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stdout-path = "serial0:115200n8";
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+
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framebuffer: framebuffer@b8000000 {
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compatible = "simple-framebuffer";
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reg = <0x0 0xb8000000 0x0 0x2b00000>;
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width = <1080>;
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height = <2340>;
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stride = <(1080 * 4)>;
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format = "a8r8g8b8";
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};
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};
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gpio-keys {
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compatible = "gpio-keys";
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autorepeat;
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pinctrl-0 = <&vol_up_n>;
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pinctrl-names = "default";
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key-vol-up {
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label = "Volume Up";
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linux,code = <KEY_VOLUMEUP>;
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gpios = <&pm8350_gpios 6 GPIO_ACTIVE_LOW>;
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debounce-interval = <15>;
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};
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};
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memory {
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ddr_device_type = <0x08>;
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device_type = "memory";
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reg = <0x00 0x80000000 0x00 0x6a000000 0x00 0xf1c00000 0x00 0xe400000 0x08 0x00 0x00 0x3ab00000 0x08 0x40000000 0x01 0x40000000 0x08 0x3b100000 0x00 0x1e00000>;
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};
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reserved-memory {
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xbl_ramdump_mem: memory@a6b80000 {
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reg = <0x0 0xa7d00000 0x0 0x300000>;
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no-map;
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};
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xbl_sc_mem: memory@a6e00000 {
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reg = <0x0 0xa6e00000 0x0 0x40000>;
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no-map;
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};
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adsp_mem: memory@9fd00000 {
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reg = <0x0 0x84500000 0x0 0x3b00000>;
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no-map;
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};
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rmtfs_mem: memory@fe200000 {
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compatible = "qcom,rmtfs-mem";
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reg = <0x0 0xfe200000 0x0 0x280000>;
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reg-names = "rmtfs";
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qcom,client-id = <1>;
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no-map;
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qcom,vmid = <QCOM_SCM_VMID_MSS_MSA>;
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};
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splash_region@b8000000 {
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reg = <0x0 0xb8000000 0x0 0x2b00000>;
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no-map;
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};
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};
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vph_pwr: vph-pwr-regulator {
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compatible = "regulator-fixed";
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regulator-name = "vph_pwr";
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regulator-min-microvolt = <3700000>;
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regulator-max-microvolt = <3700000>;
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regulator-always-on;
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regulator-boot-on;
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};
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};
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&tlmm {
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gpio-reserved-ranges = <36 4>, <50 1>, <93 1>;
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dsi_default: dsi-default-state {
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pins = "gpio6";
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function = "gpio";
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drive-strength = <8>;
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bias-disable;
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};
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dsi_suspend: dsi-suspend-state {
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pins = "gpio6";
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function = "gpio";
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drive-strength = <2>;
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bias-pull-down;
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};
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};
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&apps_rsc {
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regulators-0 {
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compatible = "qcom,pm8350-rpmh-regulators";
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qcom,pmic-id = "b";
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vdd-s1-supply = <&vph_pwr>;
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vdd-s2-supply = <&vph_pwr>;
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vdd-s3-supply = <&vph_pwr>;
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vdd-s4-supply = <&vph_pwr>;
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vdd-s5-supply = <&vph_pwr>;
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vdd-s6-supply = <&vph_pwr>;
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vdd-s7-supply = <&vph_pwr>;
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vdd-s8-supply = <&vph_pwr>;
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vdd-s9-supply = <&vph_pwr>;
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vdd-s10-supply = <&vph_pwr>;
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vdd-s11-supply = <&vph_pwr>;
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vdd-s12-supply = <&vph_pwr>;
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vdd-l1-l4-supply = <&vreg_s11b_0p95>;
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vdd-l2-l7-supply = <&vreg_bob>;
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vdd-l3-l5-supply = <&vreg_bob>;
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vdd-l6-l9-l10-supply = <&vreg_s12b_1p25>;
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vdd-l8-supply = <&vreg_s2h_0p95>;
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vreg_s11b_0p95: smps11 {
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regulator-name = "vreg_s11b_0p95";
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regulator-min-microvolt = <848000>;
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regulator-max-microvolt = <1104000>;
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};
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vreg_s12b_1p25: smps12 {
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regulator-name = "vreg_s12b_1p25";
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regulator-min-microvolt = <1224000>;
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regulator-max-microvolt = <1400000>;
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};
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vreg_l1b_0p91: ldo1 {
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regulator-name = "vreg_l1b_0p91";
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regulator-min-microvolt = <912000>;
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regulator-max-microvolt = <920000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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};
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vreg_l2b_3p07: ldo2 {
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regulator-name = "vreg_l2b_3p07";
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regulator-min-microvolt = <3072000>;
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regulator-max-microvolt = <3072000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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};
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vreg_l5b_0p88: ldo5 {
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regulator-name = "vreg_l5b_0p88";
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regulator-min-microvolt = <880000>;
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regulator-max-microvolt = <888000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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};
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vreg_l6b_1p2: ldo6 {
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regulator-name = "vreg_l6b_1p2";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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};
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vreg_l7b_2p5: ldo7 {
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regulator-name = "vreg_l7b_2p5";
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regulator-min-microvolt = <2504000>;
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regulator-max-microvolt = <2504000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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};
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vreg_l9b_1p2: ldo9 {
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regulator-name = "vreg_l9b_1p2";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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};
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};
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regulators-1 {
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compatible = "qcom,pm8350c-rpmh-regulators";
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qcom,pmic-id = "c";
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vdd-s1-supply = <&vph_pwr>;
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vdd-s2-supply = <&vph_pwr>;
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vdd-s3-supply = <&vph_pwr>;
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vdd-s4-supply = <&vph_pwr>;
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vdd-s5-supply = <&vph_pwr>;
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vdd-s6-supply = <&vph_pwr>;
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vdd-s7-supply = <&vph_pwr>;
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vdd-s8-supply = <&vph_pwr>;
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vdd-s9-supply = <&vph_pwr>;
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vdd-s10-supply = <&vph_pwr>;
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vdd-l1-l12-supply = <&vreg_bob>;
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vdd-l2-l8-supply = <&vreg_bob>;
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vdd-l3-l4-l5-l7-l13-supply = <&vreg_bob>;
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vdd-l6-l9-l11-supply = <&vreg_bob>;
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vdd-bob-supply = <&vph_pwr>;
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vreg_s1c_1p86: smps1 {
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regulator-name = "vreg_s1c_1p86";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <2024000>;
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};
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vreg_bob: bob {
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regulator-name = "vreg_bob";
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regulator-min-microvolt = <3008000>;
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regulator-max-microvolt = <3960000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
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};
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vreg_l1c_1p8: ldo1 {
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regulator-name = "vreg_l1c_1p8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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};
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};
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regulators-2 {
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compatible = "qcom,pm8450-rpmh-regulators";
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qcom,pmic-id = "h";
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vdd-s1-supply = <&vph_pwr>;
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vdd-s2-supply = <&vph_pwr>;
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vdd-s3-supply = <&vph_pwr>;
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vdd-s4-supply = <&vph_pwr>;
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vdd-s5-supply = <&vph_pwr>;
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vdd-s6-supply = <&vph_pwr>;
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vdd-l2-supply = <&vreg_bob>;
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vdd-l3-supply = <&vreg_bob>;
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vdd-l4-supply = <&vreg_bob>;
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vreg_s2h_0p95: smps2 {
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regulator-name = "vreg_s2h_0p95";
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regulator-min-microvolt = <848000>;
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regulator-max-microvolt = <1104000>;
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};
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};
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regulators-3 {
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compatible = "qcom,pmr735a-rpmh-regulators";
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qcom,pmic-id = "e";
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vdd-s1-supply = <&vph_pwr>;
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vdd-s2-supply = <&vph_pwr>;
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vdd-s3-supply = <&vph_pwr>;
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vdd-l1-l2-supply = <&vreg_s2e_0p85>;
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vdd-l3-supply = <&vreg_s1e_1p25>;
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vdd-l4-supply = <&vreg_s1c_1p86>;
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vdd-l5-l6-supply = <&vreg_s1c_1p86>;
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vdd-l7-bob-supply = <&vreg_bob>;
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vreg_s1e_1p25: smps1 {
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regulator-name = "vreg_s1e_1p25";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1296000>;
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};
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vreg_s2e_0p85: smps2 {
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regulator-name = "vreg_s2e_0p85";
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regulator-min-microvolt = <500000>;
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regulator-max-microvolt = <1040000>;
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};
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};
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};
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&pm8350_gpios {
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vol_up_n: vol-up-n-state {
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pins = "gpio6";
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function = "normal";
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power-source = <1>;
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input-enable;
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};
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};
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&pon_pwrkey {
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status = "okay";
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};
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&pon_resin {
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status = "okay";
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linux,code = <KEY_VOLUMEDOWN>;
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};
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&usb_1 {
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qcom,select-utmi-as-pipe-clk;
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status = "okay";
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};
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&usb_1_dwc3 {
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dr_mode = "peripheral";
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maximum-speed = "high-speed";
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phys = <&usb_1_hsphy>;
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phy-names = "usb2-phy";
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};
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&usb_1_hsphy {
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status = "okay";
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vdda-pll-supply = <&vreg_l5b_0p88>;
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vdda18-supply = <&vreg_l1c_1p8>;
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vdda33-supply = <&vreg_l2b_3p07>;
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};
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&ufs_mem_hc {
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reset-gpios = <&tlmm 210 GPIO_ACTIVE_LOW>;
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vcc-supply = <&vreg_l7b_2p5>;
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vcc-max-microamp = <1100000>;
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vccq-supply = <&vreg_l9b_1p2>;
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vccq-max-microamp = <1200000>;
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vccq2-supply = <&vreg_l9b_1p2>;
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vccq2-max-microamp = <1200000>;
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vdd-hba-supply = <&vreg_l9b_1p2>;
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+
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status = "okay";
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};
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&ufs_mem_phy {
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status = "okay";
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vdda-phy-supply = <&vreg_l5b_0p88>;
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vdda-pll-supply = <&vreg_l6b_1p2>;
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};