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Sat, 24 Oct 2026 02:21:49 -0700 (PDT) Received: from crispy-cucumber.local ([88.223.153.72]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e3ece14a1sm3262044f8f.57.2026.10.24.02.21.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Oct 2026 02:21:49 -0700 (PDT) From: Erikas Bitovtas Date: Sat, 24 Oct 2026 12:21:34 +0300 Subject: [PATCH v5] arm64: dts: qcom: sm7125-samsung: add initial device tree X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261024-sm7125-samsung-v5-1-5a602ab00626@gmail.com> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/13Myw6CMBCF4Vchs3ZML1zEle9hXLQwLTUWTAeIC eHdBd0Yl39yzrcAUwrEcM4WSDQHDkO/RXHIoOlM7wlDuzUooUoplECOlVQFsok89R61pUq6om5 LrWA7PRO58PqA19u3ebJ3asZd2RcuDRHHLpH5gaX+h+ccJWqldS2kzU/WXnw04XFshgjr+gYNt kWQuAAAAA== X-Change-ID: 20261020-sm7125-samsung-3be71f59d632 To: Bjorn Andersson , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kees Cook , Tony Luck , "Guilherme G. Piccoli" Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Stefan Hansson , Erikas Bitovtas X-Mailer: b4 0.15.2 Samsung Galaxy A52/A72 are devices released on atoll (SM7125) platform in 2021. Add initial device tree for SM7125 Samsung platform with support for: - Framebuffer - GPIO keys - Hall sensor - Vibrator - Regulators - Reset input - Real-time clock - SD card - Grip sensor - UFS - USB Tested-by: Stefan Hansson Signed-off-by: Erikas Bitovtas --- Samsung Galaxy A52/A72 are smartphones released in 2021 on SM7125 (atoll) platform. This patch series introduces support for SM7125 Samsung devices with the following components enabled: - Framebuffer - GPIO keys - Hall sensor - Vibrator - Regulators - Reset input - Real-time clock - SD card - UFS - USB Along with that, SM7125 was affected by a hang when launching SHM bridge. A similar issue was reported on a similar chipset: https://lore.kernel.org/all/20250721-sc7180-shm-hang-v1-1-99ad9ffeb5b4@trvn.ru/ Add SM7125 to the qcom_tzmem_blacklist to avoid hangs when booting. --- Changes in v5: - Moved the grip sensor i2c from /soc to /. - Added spaces between bit-banged GPIO polarity flags. - Changed "semtech,proxraw-strength" to 2 - that is the value set in vendor code. - Link to v4: https://patch.msgid.link/20261013-sm7125-samsung-v4-1-3233901b48bb@gmail.com Changes in v4: - Dropped patches which were already merged. - Added the Semtech SX9360 grip sensor. Unlike the rest of sensors which are behind SLPI, this is sensor is bit-banged over 51 (SDA) and 52 (SCL) GPIOs. - Because of a new sensor added to device tree which may require additional review, dropped the Reviewed-By: tags added by David and Konrad. - Link to v3: https://patch.msgid.link/20260807-sm7125-samsung-v3-0-ac0139e5c612@gmail.com Changes in v3: - Updated copyright information. - Added tags given in v2. - Link to v2: https://patch.msgid.link/20260705-sm7125-samsung-v2-0-d3b17005ecb3@gmail.com Changes in v2: - Renamed regulator nodes to satisfy dtbs_check. - Renamed pin configurations for SD card to satisfy dtbs_check. - Moved rmtfs_mem to the common dtsi, shifted addresses 0x1000 to the left and added "qcom,use-guard-pages". - Converted decimal 0 to hex 0x0 where applicable. - Pinctrl names are now listed after pinctrl themselves. - Renamed vol-up to button-vol-up to satisfy dtbs_check. - Framebuffer uses cont_splash_mem instead of retyping reg. - Removed pinctrl-names from vibrator. - Added a blank line at the top to the comment for &pm6150_pon - Added a comment explaining what the reserved gpio ranges are. - Added a blank line before "status = "okay"" where applicable. - Link to v1: https://patch.msgid.link/20260703-sm7125-samsung-v1-0-3e5f752048c1@gmail.com --- arch/arm64/boot/dts/qcom/Makefile | 2 + arch/arm64/boot/dts/qcom/sm7125-samsung-a52q.dts | 20 + arch/arm64/boot/dts/qcom/sm7125-samsung-a72q.dts | 20 + .../arm64/boot/dts/qcom/sm7125-samsung-common.dtsi | 583 +++++++++++++++++++++ 4 files changed, 625 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index 88230c4e00ea..b0403077f867 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -394,6 +394,8 @@ dtb-$(CONFIG_ARCH_QCOM) += sm6125-xiaomi-laurel-sprout.dtb dtb-$(CONFIG_ARCH_QCOM) += sm6125-xiaomi-willow.dtb dtb-$(CONFIG_ARCH_QCOM) += sm6350-sony-xperia-lena-pdx213.dtb dtb-$(CONFIG_ARCH_QCOM) += sm6375-sony-xperia-murray-pdx225.dtb +dtb-$(CONFIG_ARCH_QCOM) += sm7125-samsung-a52q.dtb +dtb-$(CONFIG_ARCH_QCOM) += sm7125-samsung-a72q.dtb dtb-$(CONFIG_ARCH_QCOM) += sm7125-xiaomi-curtana.dtb dtb-$(CONFIG_ARCH_QCOM) += sm7125-xiaomi-joyeuse.dtb dtb-$(CONFIG_ARCH_QCOM) += sm7225-fairphone-fp4.dtb diff --git a/arch/arm64/boot/dts/qcom/sm7125-samsung-a52q.dts b/arch/arm64/boot/dts/qcom/sm7125-samsung-a52q.dts new file mode 100644 index 000000000000..ecba5be8164e --- /dev/null +++ b/arch/arm64/boot/dts/qcom/sm7125-samsung-a52q.dts @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SM7125 Samsung Galaxy A52 (a52q) specific device tree source + * + * Copyright (c) 2026, Erikas Bitovtas. All rights reserved. + */ + +/dts-v1/; + +#include "sm7125-samsung-common.dtsi" + +/ { + model = "Samsung Galaxy A52"; + compatible = "samsung,a52q", "qcom,sm7125"; + qcom,board-id = <0x22 0x6>; +}; + +&rmtfs_mem { + reg = <0x0 0xf4f00000 0x0 0x202000>; +}; diff --git a/arch/arm64/boot/dts/qcom/sm7125-samsung-a72q.dts b/arch/arm64/boot/dts/qcom/sm7125-samsung-a72q.dts new file mode 100644 index 000000000000..f18d03de1585 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/sm7125-samsung-a72q.dts @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SM7125 Samsung Galaxy A72 (a72q) specific device tree source + * + * Copyright (c) 2026, Erikas Bitovtas. All rights reserved. + */ + +/dts-v1/; + +#include "sm7125-samsung-common.dtsi" + +/ { + model = "Samsung Galaxy A72"; + compatible = "samsung,a72q", "qcom,sm7125"; + qcom,board-id = <0x22 0x5>; +}; + +&rmtfs_mem { + reg = <0x0 0xf3700000 0x0 0x202000>; +}; diff --git a/arch/arm64/boot/dts/qcom/sm7125-samsung-common.dtsi b/arch/arm64/boot/dts/qcom/sm7125-samsung-common.dtsi new file mode 100644 index 000000000000..3a8339395d6c --- /dev/null +++ b/arch/arm64/boot/dts/qcom/sm7125-samsung-common.dtsi @@ -0,0 +1,583 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SM7125 Samsung common device tree source + * + * Copyright (c) 2026, Erikas Bitovtas. All rights reserved. + */ + +#include +#include +#include +#include +#include "sm7125.dtsi" +#include "pm6150.dtsi" +#include "pm6150l.dtsi" + +/delete-node/ &rmtfs_mem; +/delete-node/ &ipa_fw_mem; +/delete-node/ &tz_mem; + +/ { + chassis-type = "handset"; + + qcom,msm-id = ; + + chosen { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + framebuffer@9c000000 { + compatible = "simple-framebuffer"; + memory-region = <&cont_splash_mem>; + width = <1080>; + height = <2400>; + stride = <(1080 * 4)>; + format = "a8r8g8b8"; + clocks = <&gcc GCC_DISP_HF_AXI_CLK>; + }; + }; + + gpio-keys { + compatible = "gpio-keys"; + + pinctrl-0 = <&key_vol_up_default>, <&hall_sensor_default>; + pinctrl-names = "default"; + + button-vol-up { + label = "Volume Up"; + gpios = <&pm6150l_gpios 8 GPIO_ACTIVE_LOW>; + linux,code = ; + debounce-interval = <15>; + }; + + event-hall-sensor { + label = "Hall Effect Sensor"; + gpios = <&pm6150_gpios 10 GPIO_ACTIVE_LOW>; + linux,input-type = ; + linux,code = ; + debounce-interval = <15>; + }; + }; + + i2c-grip { + compatible = "i2c-gpio"; + sda-gpios = <&tlmm 51 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + scl-gpios = <&tlmm 52 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + + i2c-gpio,delay-us = <2>; + + pinctrl-0 = <&grip_sensor_i2c_default>; + pinctrl-names = "default"; + + #address-cells = <1>; + #size-cells = <0>; + + grip-sensor@28 { + compatible = "semtech,sx9360"; + reg = <0x28>; + + interrupts-extended = <&pm6150l_gpios 5 IRQ_TYPE_EDGE_FALLING>; + + vdd-supply = <&vreg_l5a_2p7>; + svdd-supply = <&vreg_l8c_1p8>; + + pinctrl-0 = <&grip_sensor_int_default>; + pinctrl-names = "default"; + + semtech,resolution = <1024>; + semtech,proxraw-strength = <2>; + semtech,avg-pos-strength = <512>; + + #io-channel-cells = <1>; + }; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + tz_mem: memory@80b00000 { + reg = <0x0 0x80b00000 0x0 0x7100000>; + no-map; + }; + + mpss_mem: memory@8b000000 { + reg = <0x0 0x8b000000 0x0 0x8900000>; + no-map; + }; + + wlan_mem: memory@93900000 { + reg = <0x0 0x93900000 0x0 0x200000>; + no-map; + }; + + ipa_fw_mem: memory@93b00000 { + reg = <0x0 0x93b00000 0x0 0x10000>; + no-map; + }; + + ipa_gsi_region: memory@93b10000 { + reg = <0x0 0x93b10000 0x0 0x5000>; + no-map; + }; + + gpu_mem: memory@93b15000 { + reg = <0x0 0x93b15000 0x0 0x2000>; + no-map; + }; + + adsp_mem: memory@93c00000 { + reg = <0x0 0x93c00000 0x0 0x3e00000>; + no-map; + }; + + camera_region: memory@97a00000 { + reg = <0x0 0x97a00000 0x0 0x500000>; + no-map; + }; + + pil_npu_region: memory@97f00000 { + reg = <0x0 0x97f00000 0x0 0x500000>; + no-map; + }; + + venus_mem: memory@98400000 { + reg = <0x0 0x98400000 0x0 0x500000>; + no-map; + }; + + cdsp_mem: memory@98900000 { + reg = <0x0 0x98900000 0x0 0x1e00000>; + no-map; + }; + + cont_splash_mem: memory@9c000000 { + reg = <0x0 0x9c000000 0x0 (1080 * 2400 * 4)>; + no-map; + }; + + qseecom_region: memory@9e000000 { + reg = <0x0 0x9e000000 0x0 0x2000000>; + no-map; + }; + + pstore_mem: ramoops@b4600000 { + compatible = "ramoops"; + reg = <0x0 0xb4600000 0x0 0x100000>; + record-size = <0x40000>; + console-size = <0x40000>; + ftrace-size = <0x40000>; + pmsg-size = <0x40000>; + }; + + rmtfs_mem: memory { + compatible = "qcom,rmtfs-mem"; + qcom,use-guard-pages; + no-map; + + qcom,client-id = <1>; + qcom,vmid = ; + }; + }; + + vibrator { + compatible = "gpio-vibrator"; + enable-gpios = <&tlmm 57 GPIO_ACTIVE_HIGH>; + }; +}; + +&apps_rsc { + regulators-0 { + compatible = "qcom,pm6150-rpmh-regulators"; + qcom,pmic-id = "a"; + + vreg_s1a_1p1: smps1 { + regulator-min-microvolt = <1128000>; + regulator-max-microvolt = <1128000>; + }; + + vreg_s4a_1p0: smps4 { + regulator-min-microvolt = <824000>; + regulator-max-microvolt = <1120000>; + }; + + vreg_s5a_2p0: smps5 { + regulator-min-microvolt = <1744000>; + regulator-max-microvolt = <2040000>; + }; + + vreg_l1a_1p2: ldo1 { + regulator-min-microvolt = <1178000>; + regulator-max-microvolt = <1256000>; + regulator-initial-mode = ; + }; + + vreg_l2a_1p0: ldo2 { + regulator-min-microvolt = <944000>; + regulator-max-microvolt = <1056000>; + regulator-initial-mode = ; + }; + + vreg_l3a_1p0: ldo3 { + regulator-min-microvolt = <968000>; + regulator-max-microvolt = <1064000>; + regulator-initial-mode = ; + }; + + vreg_l4a_0p9: ldo4 { + regulator-min-microvolt = <824000>; + regulator-max-microvolt = <928000>; + regulator-initial-mode = ; + regulator-allow-set-load; + regulator-allowed-modes = ; + }; + + vreg_l5a_2p7: ldo5 { + regulator-min-microvolt = <3304000>; + regulator-max-microvolt = <3304000>; + regulator-initial-mode = ; + }; + + vreg_l6a_0p6: ldo6 { + regulator-min-microvolt = <568000>; + regulator-max-microvolt = <648000>; + regulator-initial-mode = ; + }; + + vdd_cx_wlan: + vreg_l9a_0p8: ldo9 { + regulator-min-microvolt = <488000>; + regulator-max-microvolt = <800000>; + regulator-initial-mode = ; + }; + + vreg_l10a_1p8: ldo10 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1832000>; + regulator-initial-mode = ; + }; + + vreg_l11a_1p8: ldo11 { + regulator-min-microvolt = <1696000>; + regulator-max-microvolt = <1904000>; + regulator-initial-mode = ; + }; + + vreg_l12a_1p8: ldo12 { + regulator-min-microvolt = <1696000>; + regulator-max-microvolt = <1952000>; + regulator-initial-mode = ; + regulator-allow-set-load; + regulator-allowed-modes = ; + }; + + vreg_l13a_1p8: ldo13 { + regulator-min-microvolt = <1696000>; + regulator-max-microvolt = <1904000>; + regulator-initial-mode = ; + }; + + vreg_l14a_1p8: ldo14 { + regulator-min-microvolt = <1728000>; + regulator-max-microvolt = <1832000>; + regulator-initial-mode = ; + }; + + vreg_l15a_1p8: ldo15 { + regulator-min-microvolt = <1696000>; + regulator-max-microvolt = <1904000>; + regulator-initial-mode = ; + }; + + vreg_l16a_2p7: ldo16 { + regulator-min-microvolt = <2496000>; + regulator-max-microvolt = <3304000>; + regulator-initial-mode = ; + }; + + vreg_l17a_3p1: ldo17 { + regulator-min-microvolt = <2920000>; + regulator-max-microvolt = <3232000>; + regulator-initial-mode = ; + }; + + vreg_l18a_3p0: ldo18 { + regulator-min-microvolt = <2496000>; + regulator-max-microvolt = <3304000>; + regulator-initial-mode = ; + }; + + vreg_l19a_2p85: ldo19 { + regulator-min-microvolt = <2696000>; + regulator-max-microvolt = <3304000>; + regulator-initial-mode = ; + regulator-allow-set-load; + regulator-allowed-modes = ; + }; + }; + + regulators-1 { + compatible = "qcom,pm6150l-rpmh-regulators"; + qcom,pmic-id = "c"; + + vreg_s8c_1p3: smps8 { + regulator-min-microvolt = <1120000>; + regulator-max-microvolt = <1408000>; + }; + + vreg_l1c_1p8: ldo1 { + regulator-min-microvolt = <1616000>; + regulator-max-microvolt = <1984000>; + regulator-initial-mode = ; + }; + + vreg_l2c_1p3: ldo2 { + regulator-min-microvolt = <1168000>; + regulator-max-microvolt = <1304000>; + regulator-initial-mode = ; + }; + + vreg_l3c_1p2: ldo3 { + regulator-min-microvolt = <1144000>; + regulator-max-microvolt = <1304000>; + regulator-initial-mode = ; + regulator-allow-set-load; + regulator-allowed-modes = ; + }; + + + vreg_l4c_1p8: ldo4 { + regulator-min-microvolt = <1648000>; + regulator-max-microvolt = <3304000>; + regulator-initial-mode = ; + }; + + vreg_l5c_1p8: ldo5 { + regulator-min-microvolt = <1648000>; + regulator-max-microvolt = <3304000>; + regulator-initial-mode = ; + }; + + vreg_l6c_3p0: ldo6 { + regulator-min-microvolt = <1648000>; + regulator-max-microvolt = <3304000>; + regulator-initial-mode = ; + }; + + vreg_l7c_3p0: ldo7 { + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + regulator-initial-mode = ; + }; + + vreg_l8c_1p8: ldo8 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-initial-mode = ; + }; + + vreg_l9c_2p95: ldo9 { + regulator-min-microvolt = <2952000>; + regulator-max-microvolt = <3304000>; + regulator-initial-mode = ; + }; + + vreg_l10c_3p3: ldo10 { + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3400000>; + regulator-initial-mode = ; + }; + + vreg_l11c_3p3: ldo11 { + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3400000>; + regulator-initial-mode = ; + }; + + vreg_bob: bob { + regulator-min-microvolt = <3008000>; + regulator-max-microvolt = <3960000>; + regulator-initial-mode = ; + }; + }; +}; + +&dispcc { + /* HACK: disable until a panel driver is ready to retain simplefb */ + status = "disabled"; +}; + +&pm6150l_gpios { + grip_sensor_int_default: grip-sensor-int-default-state { + pins = "gpio5"; + function = "normal"; + power-source = <0>; + input-enable; + bias-disable; + }; + + key_vol_up_default: key-vol-up-default-state { + pins = "gpio8"; + function = "normal"; + input-enable; + bias-pull-up; + power-source = <0>; + }; +}; + +&pm6150_gpios { + hall_sensor_default: hall-sensor-default-state { + pins = "gpio10"; + function = "normal"; + output-disable; + bias-disable; + power-source = <0>; + }; +}; + +&pm6150_pon { + /* + * LinuxLoader fastboot implementation has most of its commands removed + * by Samsung, making it useless. So reboot to Odin download mode instead. + */ + mode-bootloader = <0x15>; +}; + +&pm6150_resin { + linux,code = ; + + status = "okay"; +}; + +&pm6150_rtc { + status = "okay"; +}; + +&qfprom { + vcc-supply = <&vreg_l11a_1p8>; +}; + +&sdhc_2 { + vmmc-supply = <&vreg_l9c_2p95>; + vqmmc-supply = <&vreg_l6c_3p0>; + cd-gpios = <&tlmm 69 GPIO_ACTIVE_LOW>; + pinctrl-0 = <&sdc2_on>; + pinctrl-1 = <&sdc2_off>; + pinctrl-names = "default", "sleep"; + + status = "okay"; +}; + +&tlmm { + gpio-reserved-ranges = <59 4>; /* Fingerprint sensor SPI */ + + grip_sensor_i2c_default: grip-sensor-i2c-default-state { + pins = "gpio51", "gpio52"; + function = "gpio"; + bias-disable; + }; + + sdc2_on: sdc2-on-state { + clk-pins { + pins = "sdc2_clk"; + bias-disable; + drive-strength = <16>; + }; + + cmd-pins { + pins = "sdc2_cmd"; + bias-pull-up; + drive-strength = <10>; + }; + + data-pins { + pins = "sdc2_data"; + bias-pull-up; + drive-strength = <10>; + }; + + sd-cd-pins { + pins = "gpio69"; + function = "gpio"; + bias-pull-up; + drive-strength = <2>; + }; + }; + + sdc2_off: sdc2-off-state { + clk-pins { + pins = "sdc2_clk"; + bias-disable; + drive-strength = <2>; + }; + + cmd-pins { + pins = "sdc2_cmd"; + bias-pull-up; + drive-strength = <2>; + }; + + data-pins { + pins = "sdc2_data"; + bias-pull-up; + drive-strength = <2>; + }; + + sd-cd-pins { + pins = "gpio69"; + function = "gpio"; + bias-pull-up; + drive-strength = <2>; + }; + }; +}; + +&ufs_mem_hc { + vcc-supply = <&vreg_l19a_2p85>; + vcc-max-microamp = <600000>; + vccq2-supply = <&vreg_l12a_1p8>; + vccq2-max-microamp = <600000>; + + status = "okay"; +}; + +&ufs_mem_phy { + vdda-phy-supply = <&vreg_l4a_0p9>; + vdda-pll-supply = <&vreg_l3c_1p2>; + + status = "okay"; +}; + +&usb_1 { + qcom,select-utmi-as-pipe-clk; + + status = "okay"; +}; + +&usb_1_dwc3 { + dr_mode = "peripheral"; + maximum-speed = "high-speed"; + + status = "okay"; +}; + +&usb_1_hsphy { + vdd-supply = <&vreg_l4a_0p9>; + vdda-pll-supply = <&vreg_l11a_1p8>; + vdda-phy-dpdm-supply = <&vreg_l17a_3p1>; + + status = "okay"; +}; + +&usb_1_qmpphy { + vdda-phy-supply = <&vreg_l4a_0p9>; + vdda-pll-supply = <&vreg_l3c_1p2>; + + status = "okay"; +}; --- base-commit: 20a33c6b6cbe7e4805dfb6cd68816937443aa148 change-id: 20261020-sm7125-samsung-3be71f59d632 Best regards, -- Erikas Bitovtas