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pmaports-rtwo/device/testing/linux-postmarketos-qcom-sm8550/sm8550-motorola-rtwo.dts
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snlavaiseandClaude Sonnet 5 5683af653a linux-postmarketos-qcom-sm8550: use rtwo-specific regulator ranges 
The reference-design rail voltages that both sm8550-mtp and the rtwo
downstream share are unchanged, but three rails carry board-specific
ranges in the Motorola DT / device DTB dump:

  L11B (panel VDD):  1.20-1.50 V  ->  1.23-1.28 V
  L1E  (USB HS phy): fixed 0.88 V ->  0.88-0.912 V
  L1G  (UFS VCCQ):   fixed 1.20 V ->  1.144-1.256 V

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QF5HebjUsRaxbW4cBX6HJP
2026-09-08 14:16:34 -03:00

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// SPDX-License-Identifier: BSD-3-Clause
/*
* Motorola Moto Edge 40 Pro (codename "rtwo"), SM8550 / Snapdragon 8 Gen 2
*
* WIP mainline bring-up device tree for postmarketOS.
*
* Hardware facts gathered from the stock LineageOS 23.2 sources and the live
* DTB dumped from the device:
* - board-id / model "rtwo", XT2301-x, PVT, UFS (KIOXIA 256 GB) at 1d84000
* - debug UART: GENI SE7 @ac0000/a9c000 -> mainline &uart7 (qupv3_id_0)
* - touchscreen: Goodix GT9916 on SPI SE4 (spi@a90000 -> &spi4),
* reset TLMM24, irq TLMM25, avdd = pm8550 L9B, iovdd = pm8550 L10B
* - keys: volume-up on pm8550 GPIO6, volume-down = PMIC resin, power = pwrkey
* - SD card: sdhc_2, CD on pm8550 GPIO12, vmmc L9B, vqmmc L8B
* - panel: CSOT/Tianma Novatek NT37705 / NT37701A, 1080x2400 DSC cmd-mode,
* reset TLMM133, vdd L11B (1.23-1.28 V), vci L13B (3.0 V), vddio 1.8 V
* - cont_splash framebuffer at 0xb8000000
* - haptics: pm8550b (SoundWire), speakers: 2x WSA883x, WiFi/BT: WCN7850 "kiwi"
*
* Still TODO before this is a real port: DSI panel driver + &mdss, GPU zap
* shader, modem/remoteprocs, WiFi/BT (PCIe), charger (pmic-glink battmgr),
* NFC, fingerprint, camera (external wl2868c LDO on the i2c hub).
*
* Immediate goal: initramfs debug shell over USB (+ UART if wired), pstore
* console via ramoops, and ideally the bootloader framebuffer.
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include "sm8550.dtsi"
#include "pm8550.dtsi"
#include "pm8550b.dtsi"
#define PMK8550VE_SID 5
#include "pm8550ve.dtsi"
#include "pm8550vs.dtsi"
#include "pmk8550.dtsi"
/ {
model = "Motorola Moto Edge 40 Pro";
compatible = "motorola,rtwo", "qcom,sm8550";
chassis-type = "handset";
aliases {
serial0 = &uart7;
};
chosen {
#address-cells = <2>;
#size-cells = <2>;
ranges;
stdout-path = "serial0:115200n8";
/*
* Bootloader continuous-splash framebuffer. Geometry is a best
* guess (1080x2400, 32bpp) from the stock cont_splash /
* disp_rdump region. If the display stays black or garbled,
* adjust format/stride or drop this node.
*/
framebuffer0: framebuffer@b8000000 {
compatible = "simple-framebuffer";
reg = <0x0 0xb8000000 0x0 (1080 * 2400 * 4)>;
width = <1080>;
height = <2400>;
stride = <(1080 * 4)>;
format = "a8r8g8b8";
};
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-0 = <&vol_up_n>;
pinctrl-names = "default";
key-volume-up {
label = "Volume Up";
gpios = <&pm8550_gpios 6 GPIO_ACTIVE_LOW>;
linux,code = <KEY_VOLUMEUP>;
debounce-interval = <15>;
linux,can-disable;
wakeup-source;
};
};
reserved-memory {
/* Bootloader crash/console log ring, kept across reboots */
ramoops@ae000000 {
compatible = "ramoops";
reg = <0x0 0xae000000 0x0 0x60000>;
console-size = <0x40000>;
record-size = <0x20000>;
no-map;
};
cont_splash_mem: cont-splash@b8000000 {
reg = <0x0 0xb8000000 0x0 0x2b00000>;
no-map;
};
};
vph_pwr: vph-pwr-regulator {
compatible = "regulator-fixed";
regulator-name = "vph_pwr";
regulator-min-microvolt = <3700000>;
regulator-max-microvolt = <3700000>;
regulator-always-on;
regulator-boot-on;
};
};
&apps_rsc {
/*
* PM8550-family RPMh regulators. Rail voltage ranges are the SM8550
* reference-design values, which the rtwo downstream DT shares; the
* few board-specific ranges (L11B panel, L1E, L1G) and the consumer
* wiring (touch, SD, panel, UFS) come from the Motorola downstream DT
* and the DTB dumped from the device.
*/
regulators-0 {
compatible = "qcom,pm8550-rpmh-regulators";
qcom,pmic-id = "b";
vdd-bob1-supply = <&vph_pwr>;
vdd-bob2-supply = <&vph_pwr>;
vdd-l1-l4-l10-supply = <&vreg_s6g_1p8>;
vdd-l2-l13-l14-supply = <&vreg_bob1>;
vdd-l3-supply = <&vreg_s4g_1p3>;
vdd-l5-l16-supply = <&vreg_bob1>;
vdd-l6-l7-supply = <&vreg_bob1>;
vdd-l8-l9-supply = <&vreg_bob1>;
vdd-l11-supply = <&vreg_s4g_1p3>;
vdd-l12-supply = <&vreg_s6g_1p8>;
vdd-l15-supply = <&vreg_s6g_1p8>;
vdd-l17-supply = <&vreg_bob2>;
vreg_bob1: bob1 {
regulator-name = "vreg_bob1";
regulator-min-microvolt = <3296000>;
regulator-max-microvolt = <3960000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_bob2: bob2 {
regulator-name = "vreg_bob2";
regulator-min-microvolt = <2720000>;
regulator-max-microvolt = <3960000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l1b_1p8: ldo1 {
regulator-name = "vreg_l1b_1p8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l2b_3p0: ldo2 {
regulator-name = "vreg_l2b_3p0";
regulator-min-microvolt = <3008000>;
regulator-max-microvolt = <3008000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l5b_3p1: ldo5 {
regulator-name = "vreg_l5b_3p1";
regulator-min-microvolt = <3104000>;
regulator-max-microvolt = <3104000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l6b_1p8: ldo6 {
regulator-name = "vreg_l6b_1p8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3008000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l7b_1p8: ldo7 {
regulator-name = "vreg_l7b_1p8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3008000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l8b_1p8: ldo8 {
regulator-name = "vreg_l8b_1p8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3008000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l9b_2p9: ldo9 {
regulator-name = "vreg_l9b_2p9";
regulator-min-microvolt = <2960000>;
regulator-max-microvolt = <3008000>;
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>;
};
/* panel VDD (Novatek NT37705) - board-specific range from downstream */
vreg_l11b_1p2: ldo11 {
regulator-name = "vreg_l11b_1p2";
regulator-min-microvolt = <1230000>;
regulator-max-microvolt = <1280000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l12b_1p8: ldo12 {
regulator-name = "vreg_l12b_1p8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l13b_3p0: ldo13 {
regulator-name = "vreg_l13b_3p0";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l14b_3p2: ldo14 {
regulator-name = "vreg_l14b_3p2";
regulator-min-microvolt = <3200000>;
regulator-max-microvolt = <3200000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l15b_1p8: ldo15 {
regulator-name = "vreg_l15b_1p8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l16b_2p8: ldo16 {
regulator-name = "vreg_l16b_2p8";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l17b_2p5: ldo17 {
regulator-name = "vreg_l17b_2p5";
regulator-min-microvolt = <2504000>;
regulator-max-microvolt = <2504000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
};
regulators-1 {
compatible = "qcom,pm8550vs-rpmh-regulators";
qcom,pmic-id = "c";
vdd-l3-supply = <&vreg_s4e_0p9>;
vreg_l3c_0p91: ldo3 {
regulator-name = "vreg_l3c_0p9";
regulator-min-microvolt = <880000>;
regulator-max-microvolt = <912000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
};
regulators-2 {
compatible = "qcom,pm8550vs-rpmh-regulators";
qcom,pmic-id = "d";
vdd-l1-supply = <&vreg_s4e_0p9>;
vreg_l1d_0p88: ldo1 {
regulator-name = "vreg_l1d_0p88";
regulator-min-microvolt = <880000>;
regulator-max-microvolt = <920000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
};
regulators-3 {
compatible = "qcom,pm8550vs-rpmh-regulators";
qcom,pmic-id = "e";
vdd-l1-supply = <&vreg_s4e_0p9>;
vdd-l2-supply = <&vreg_s4e_0p9>;
vdd-l3-supply = <&vreg_s4g_1p3>;
vdd-s4-supply = <&vph_pwr>;
vdd-s5-supply = <&vph_pwr>;
vreg_s4e_0p9: smps4 {
regulator-name = "vreg_s4e_0p9";
regulator-min-microvolt = <904000>;
regulator-max-microvolt = <984000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_s5e_1p1: smps5 {
regulator-name = "vreg_s5e_1p1";
regulator-min-microvolt = <1080000>;
regulator-max-microvolt = <1120000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l1e_0p88: ldo1 {
regulator-name = "vreg_l1e_0p88";
regulator-min-microvolt = <880000>;
regulator-max-microvolt = <912000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l2e_0p9: ldo2 {
regulator-name = "vreg_l2e_0p9";
regulator-min-microvolt = <904000>;
regulator-max-microvolt = <970000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l3e_1p2: ldo3 {
regulator-name = "vreg_l3e_1p2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
};
regulators-4 {
compatible = "qcom,pm8550ve-rpmh-regulators";
qcom,pmic-id = "f";
vdd-l1-supply = <&vreg_s4e_0p9>;
vdd-l2-supply = <&vreg_s4e_0p9>;
vdd-l3-supply = <&vreg_s4e_0p9>;
vdd-s4-supply = <&vph_pwr>;
vreg_s4f_0p5: smps4 {
regulator-name = "vreg_s4f_0p5";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <700000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l1f_0p9: ldo1 {
regulator-name = "vreg_l1f_0p9";
regulator-min-microvolt = <912000>;
regulator-max-microvolt = <912000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l2f_0p88: ldo2 {
regulator-name = "vreg_l2f_0p88";
regulator-min-microvolt = <880000>;
regulator-max-microvolt = <912000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l3f_0p91: ldo3 {
regulator-name = "vreg_l3f_0p91";
regulator-min-microvolt = <880000>;
regulator-max-microvolt = <912000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
};
regulators-5 {
compatible = "qcom,pm8550vs-rpmh-regulators";
qcom,pmic-id = "g";
vdd-l1-supply = <&vreg_s4g_1p3>;
vdd-l2-supply = <&vreg_s4g_1p3>;
vdd-l3-supply = <&vreg_s4g_1p3>;
vdd-s1-supply = <&vph_pwr>;
vdd-s2-supply = <&vph_pwr>;
vdd-s3-supply = <&vph_pwr>;
vdd-s4-supply = <&vph_pwr>;
vdd-s5-supply = <&vph_pwr>;
vdd-s6-supply = <&vph_pwr>;
vreg_s1g_1p2: smps1 {
regulator-name = "vreg_s1g_1p2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1300000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_s2g_0p8: smps2 {
regulator-name = "vreg_s2g_0p8";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1000000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_s3g_0p7: smps3 {
regulator-name = "vreg_s3g_0p7";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1004000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_s4g_1p3: smps4 {
regulator-name = "vreg_s4g_1p3";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1352000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_s5g_0p8: smps5 {
regulator-name = "vreg_s5g_0p8";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <1004000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_s6g_1p8: smps6 {
regulator-name = "vreg_s6g_1p8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2000000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
/* UFS VCCQ - board-specific range from downstream */
vreg_l1g_1p2: ldo1 {
regulator-name = "vreg_l1g_1p2";
regulator-min-microvolt = <1144000>;
regulator-max-microvolt = <1256000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l2g_1p2: ldo2 {
regulator-name = "vreg_l2g_1p2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
vreg_l3g_1p2: ldo3 {
regulator-name = "vreg_l3g_1p2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
};
};
&pm8550_gpios {
vol_up_n: volume-up-n-state {
pins = "gpio6";
function = "normal";
bias-pull-up;
input-enable;
power-source = <1>;
};
};
&pm8550b_eusb2_repeater {
vdd18-supply = <&vreg_l15b_1p8>;
vdd3-supply = <&vreg_l5b_3p1>;
};
&pon_pwrkey {
status = "okay";
};
&pon_resin {
linux,code = <KEY_VOLUMEDOWN>;
status = "okay";
};
/* GENI QUP0 wrapper: hosts the debug UART (SE7) and the touch SPI (SE4) */
&qupv3_id_0 {
status = "okay";
};
&spi4 {
status = "okay";
touchscreen@0 {
compatible = "goodix,gt9916";
reg = <0>;
spi-max-frequency = <15000000>;
interrupt-parent = <&tlmm>;
interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
reset-gpios = <&tlmm 24 GPIO_ACTIVE_LOW>;
avdd-supply = <&vreg_l9b_2p9>;
vddio-supply = <&vreg_l10b_1p8>;
touchscreen-size-x = <1080>;
touchscreen-size-y = <2400>;
};
};
&sdhc_2 {
cd-gpios = <&pm8550_gpios 12 GPIO_ACTIVE_LOW>;
vmmc-supply = <&vreg_l9b_2p9>;
vqmmc-supply = <&vreg_l8b_1p8>;
bus-width = <4>;
no-sdio;
no-mmc;
status = "okay";
};
&sleep_clk {
clock-frequency = <32000>;
};
&uart7 {
status = "okay";
};
&ufs_mem_hc {
reset-gpios = <&tlmm 210 GPIO_ACTIVE_LOW>;
vcc-supply = <&vreg_l17b_2p5>;
vcc-max-microamp = <1300000>;
vccq-supply = <&vreg_l1g_1p2>;
vccq-max-microamp = <1200000>;
vdd-hba-supply = <&vreg_l3g_1p2>;
status = "okay";
};
&ufs_mem_phy {
vdda-phy-supply = <&vreg_l1d_0p88>;
vdda-pll-supply = <&vreg_l3e_1p2>;
status = "okay";
};
&usb_1 {
status = "okay";
};
&usb_1_dwc3 {
/* peripheral-only is safest for bring-up (USB networking in initramfs) */
dr_mode = "peripheral";
maximum-speed = "high-speed";
};
&usb_1_hsphy {
vdd-supply = <&vreg_l1e_0p88>;
vdda12-supply = <&vreg_l3e_1p2>;
phys = <&pm8550b_eusb2_repeater>;
status = "okay";
};
/*
* The USB3/DP combo PHY is left disabled for now; high-speed gadget mode is
* enough for the initramfs debug shell. Enable &usb_dp_qmpphy and drop
* "maximum-speed" above once SuperSpeed / DisplayPort is needed.
*/
&xo_board {
clock-frequency = <76800000>;
};
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