device-motorola-rtwo: enrich device tree from Motorola downstream
Cross-referenced the LineageOS 23.2 sources (android_device_motorola_rtwo, sm8550-common, sm8550-devicetrees) and the DTB dumped from the device: - Fix debug UART: it is GENI SE7 under qupv3_id_0 (@ac0000), not qupv3_id_1. - Add ramoops (0xae000000/0x60000) and a cont_splash reserved region (0xb8000000), both matching the stock reserved-memory map. - Add a simple-framebuffer at 0xb8000000 (1080x2400) so there is an early console on the panel; deviceinfo screen size corrected to 1080x2400. - Goodix GT9916 touchscreen on spi4 (SE4), reset TLMM24 / irq TLMM25, avdd = pm8550 L9B, vddio = pm8550 L10B (new rails L8B/L10B added). - gpio-keys: volume-up on pm8550 GPIO6; enable PMIC pwrkey + resin (volume-down). - SD card: real card-detect on pm8550 GPIO12, vqmmc = L8B. - modules-initfs: add goodix-berlin + eusb2 phy modules. Panel/DRM, GPU, modem, WiFi/BT (WCN7850), charger and camera are documented as TODO in the .dts. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QF5HebjUsRaxbW4cBX6HJP
This commit is contained in:
Claude Sonnet 5
@@ -36,6 +36,6 @@ package() {
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}
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sha512sums="
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2dee03e8320880337767f0f6523c2f85ba24940a4499ea6f470a7e1655e7c6e69122018daa03ddbba34b5302dc5f40ae48a7bcabfb9aedcfab10b112227e3052 deviceinfo
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977b5009bf750b3ff1419afc9ccb6a955f79c62f0bddd07af9f75a687a939eddda5c697b38a29ad8fea172693506dd353ce0b01bedd4dac72b105c060c343188 modules-initfs
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32c5054a403dc98169061e7aae2bab06b014089f7563ab65515923b1b07ead8832476107f87ecbd94575c69c92ea91eef6db9effe788b0b71e893cfb62e8963b deviceinfo
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c572e21cb0624b554a22a218b0c4faab9b6412654bed6bfef530f3068d076b21c573bd7f4b3ca65f510f8756f636a861191cce925ef49587db7d68d09558826c modules-initfs
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"
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@@ -15,13 +15,15 @@ deviceinfo_arch="aarch64"
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deviceinfo_chassis="handset"
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deviceinfo_keyboard="false"
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deviceinfo_external_storage="true"
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deviceinfo_screen_width="1220"
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deviceinfo_screen_height="2712"
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deviceinfo_screen_width="1080"
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deviceinfo_screen_height="2400"
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deviceinfo_getty="ttyMSM0;115200"
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# The panel is not described in the device tree yet, so there is no display
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# output. Flip this to "false" once mdss_dsi0 + a panel node work.
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deviceinfo_no_framebuffer="true"
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# The DTS ships a simple-framebuffer pointing at the bootloader's continuous
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# splash buffer, so there should be an early console on the panel. If the
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# screen stays black, set this to "true" (and fix the framebuffer@ node).
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# There is no DRM/mdss yet, so no mode setting / backlight control.
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deviceinfo_no_framebuffer="false"
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# Bootloader related
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deviceinfo_flash_method="fastboot"
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@@ -35,8 +37,10 @@ deviceinfo_flash_sparse="true"
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# UFS storage
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deviceinfo_rootfs_image_sector_size="4096"
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# A/B + dynamic (super) partitions. Fill in the 'super' block device once
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# known (from the initramfs debug shell:
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# A/B device (androidboot.slot_suffix=_a). UFS controller: 1d84000.ufshc.
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# Dynamic "super" partition (group "mot_dp_group", ~9.94 GB) holds
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# system/system_ext/product/vendor/vendor_dlkm/system_dlkm. Resolve the real
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# node from the initramfs debug shell:
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# ls -l /dev/disk/by-partlabel/super
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# ), then uncomment:
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# deviceinfo_super_partitions="/dev/sda1 /dev/sda1"
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# then uncomment (both fields = the super partition, A and B share it here):
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# deviceinfo_super_partitions="/dev/disk/by-partlabel/super /dev/disk/by-partlabel/super"
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@@ -1,12 +1,16 @@
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# Modules to include in the initramfs (one name per line, '#' = comment).
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# Needed for: USB networking + telnet debug-shell, and later FDE unlock
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# (touchscreen + panel).
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#
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# Most of the SM8550 USB gadget path is built-in with the postmarketOS
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# kernel config, so nothing is strictly required yet. Add modules here as
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# the port progresses, e.g.:
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#
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# phy-qcom-eusb2-repeater
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# phy-qcom-qmp-combo
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# panel-<vendor>-<name>
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# <touchscreen driver>
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# Needed for USB networking + telnet debug-shell now, and touchscreen-based
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# FDE unlock later.
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# Touchscreen (Goodix GT9916 on SPI SE4) - for on-screen unlock
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spi-geni-qcom
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goodix-berlin-core
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goodix-berlin-spi
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# USB gadget path (usually built-in, harmless if already so)
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phy-qcom-eusb2-repeater
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phy-qcom-snps-eusb2
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# Panel / DRM are not wired up yet:
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# panel driver for Novatek NT37705 (1080x2400 DSC cmd, reset TLMM133)
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# msm (once &mdss / &mdss_dsi0 are enabled in the .dts)
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@@ -104,5 +104,6 @@ package() {
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# The kernel tarball checksum is filled in by
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# 'pmbootstrap checksum linux-postmarketos-qcom-sm8550' (it downloads ~250 MB).
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sha512sums="
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ed1e3a57c30dff3f40026c2e318965fa7f62dfb0eef428ee0354341137bffde324f93cf5a500619e476e44ac616351ac9cafec6dc3ecefa69b68f24b9c94bbb2 sm8550-motorola-rtwo.dts
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19f6d0ee8481e34b0b8c27f07f3023182cda9e2a3d67e40989b1f300b7e82d7ea606fb112599dd9399e0d5f973d43b289d8932a4b578b6ffe4168af05e19f795 linux-postmarketos-qcom-sm8550-22591bbc21da5cc0c6e37503b77bd2d852fe241c.tar.gz
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ae0883f072ee106a8e5512240968312ea044d05151945924cd2f0db42a22d149fa0511511a2a3e2bba3d77b0c01e046ce3d5b9d01d6bdd148dd1c0edac85423a sm8550-motorola-rtwo.dts
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"
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@@ -1,24 +1,35 @@
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// SPDX-License-Identifier: BSD-3-Clause
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/*
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* Motorola Moto Edge 40 Pro / Razr 40 Ultra platform (codename "rtwo"), SM8550
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* Motorola Moto Edge 40 Pro (codename "rtwo"), SM8550 / Snapdragon 8 Gen 2
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*
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* WIP bring-up device tree for postmarketOS. This is NOT a finished port:
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* - The regulator tree below is copied from sm8550-mtp.dts (the Qualcomm
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* reference design). Verify every rail against Motorola's downstream
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* (LineageOS: kernel/motorola/sm8550, arch/arm64/boot/dts/vendor/qcom/*rtwo*).
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* - reserved-memory / memory@ is left to the bootloader. If the board hangs
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* early, add the carveouts from the downstream DT (cont_splash, ramoops,
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* adsp/cdsp/mpss/... regions).
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* - Display panel, touchscreen, WiFi/BT, NFC, modem, charger/fuel-gauge,
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* haptics and the GPU zap shader still need to be described.
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* WIP mainline bring-up device tree for postmarketOS.
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*
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* Goal of this file as-is: reach the postmarketOS initramfs debug shell over
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* USB (and the UART if you have a cable), then iterate.
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* Hardware facts gathered from the stock LineageOS 23.2 sources and the live
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* DTB dumped from the device:
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* - board-id / model "rtwo", XT2301-x, PVT, UFS (KIOXIA 256 GB) at 1d84000
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* - debug UART: GENI SE7 @ac0000/a9c000 -> mainline &uart7 (qupv3_id_0)
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* - touchscreen: Goodix GT9916 on SPI SE4 (spi@a90000 -> &spi4),
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* reset TLMM24, irq TLMM25, avdd = pm8550 L9B, iovdd = pm8550 L10B
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* - keys: volume-up on pm8550 GPIO6, volume-down = PMIC resin, power = pwrkey
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* - SD card: sdhc_2, CD on pm8550 GPIO12, vmmc L9B, vqmmc L8B
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* - panel: CSOT/Tianma Novatek NT37705 / NT37701A, 1080x2400 DSC cmd-mode,
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* reset TLMM133, vdd L11B (1.23-1.28 V), vci L13B (3.0 V), vddio 1.8 V
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* - cont_splash framebuffer at 0xb8000000
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* - haptics: pm8550b (SoundWire), speakers: 2x WSA883x, WiFi/BT: WCN7850 "kiwi"
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*
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* Still TODO before this is a real port: DSI panel driver + &mdss, GPU zap
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* shader, modem/remoteprocs, WiFi/BT (PCIe), charger (pmic-glink battmgr),
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* NFC, fingerprint, camera (external wl2868c LDO on the i2c hub).
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*
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* Immediate goal: initramfs debug shell over USB (+ UART if wired), pstore
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* console via ramoops, and ideally the bootloader framebuffer.
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*/
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
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#include "sm8550.dtsi"
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@@ -39,14 +50,58 @@
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};
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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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stdout-path = "serial0:115200n8";
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/*
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* TODO: a simple-framebuffer node pointing at the bootloader
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* framebuffer would give an early console on the panel. The
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* base address / geometry must come from the downstream DT or
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* from 'fastboot oem' / the LK log.
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* Bootloader continuous-splash framebuffer. Geometry is a best
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* guess (1080x2400, 32bpp) from the stock cont_splash /
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* disp_rdump region. If the display stays black or garbled,
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* adjust format/stride or drop this node.
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*/
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framebuffer0: framebuffer@b8000000 {
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compatible = "simple-framebuffer";
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reg = <0x0 0xb8000000 0x0 (1080 * 2400 * 4)>;
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width = <1080>;
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height = <2400>;
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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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pinctrl-0 = <&vol_up_n>;
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pinctrl-names = "default";
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key-volume-up {
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label = "Volume Up";
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gpios = <&pm8550_gpios 6 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_VOLUMEUP>;
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debounce-interval = <15>;
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linux,can-disable;
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wakeup-source;
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};
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};
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reserved-memory {
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/* Bootloader crash/console log ring, kept across reboots */
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ramoops@ae000000 {
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compatible = "ramoops";
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reg = <0x0 0xae000000 0x0 0x60000>;
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console-size = <0x40000>;
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record-size = <0x20000>;
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no-map;
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};
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cont_splash_mem: cont-splash@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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@@ -61,7 +116,11 @@
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};
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&apps_rsc {
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/* Copied from sm8550-mtp.dts - VERIFY against Motorola downstream */
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/*
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* PM8550-family RPMh regulators. The rail *definitions* are the SM8550
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* reference-design values (from sm8550-mtp.dts); the consumer wiring
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* (touch, SD, panel, UFS) is taken from the Motorola downstream DT.
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*/
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regulators-0 {
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compatible = "qcom,pm8550-rpmh-regulators";
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qcom,pmic-id = "b";
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@@ -131,7 +190,7 @@
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vreg_l8b_1p8: ldo8 {
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regulator-name = "vreg_l8b_1p8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3008000>;
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regulator-max-microvolt = <2960000>;
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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};
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@@ -142,6 +201,13 @@
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regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
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};
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vreg_l10b_1p8: ldo10 {
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regulator-name = "vreg_l10b_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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vreg_l11b_1p2: ldo11 {
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regulator-name = "vreg_l11b_1p2";
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regulator-min-microvolt = <1200000>;
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@@ -383,24 +449,62 @@
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};
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};
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&pm8550_gpios {
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vol_up_n: volume-up-n-state {
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pins = "gpio6";
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function = "normal";
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bias-pull-up;
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input-enable;
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power-source = <1>;
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};
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};
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&pm8550b_eusb2_repeater {
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vdd18-supply = <&vreg_l15b_1p8>;
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vdd3-supply = <&vreg_l5b_3p1>;
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};
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/* GENI QUP wrapper that hosts the debug UART (uart7) */
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&qupv3_id_1 {
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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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linux,code = <KEY_VOLUMEDOWN>;
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status = "okay";
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};
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/* GENI QUP0 wrapper: hosts the debug UART (SE7) and the touch SPI (SE4) */
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&qupv3_id_0 {
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status = "okay";
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};
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&spi4 {
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status = "okay";
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touchscreen@0 {
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compatible = "goodix,gt9916";
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reg = <0>;
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spi-max-frequency = <15000000>;
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interrupt-parent = <&tlmm>;
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interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
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reset-gpios = <&tlmm 24 GPIO_ACTIVE_LOW>;
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avdd-supply = <&vreg_l9b_2p9>;
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vddio-supply = <&vreg_l10b_1p8>;
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touchscreen-size-x = <1080>;
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touchscreen-size-y = <2400>;
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};
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};
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&sdhc_2 {
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cd-gpios = <&pm8550_gpios 12 GPIO_ACTIVE_LOW>;
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vmmc-supply = <&vreg_l9b_2p9>;
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vqmmc-supply = <&vreg_l8b_1p8>;
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bus-width = <4>;
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no-sdio;
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no-mmc;
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/* TODO: card-detect gpio from downstream DT */
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broken-cd;
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status = "okay";
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};
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