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[213.215.163.27]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-477b82e8ea6sm55552185e9.8.2025.11.20.07.58.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Nov 2025 07:58:36 -0800 (PST) From: Riccardo Mereu To: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, broonie@kernel.org Cc: linux@roeck-us.net, Jonathan.Cameron@huawei.com, wenswang@yeah.net, naresh.solanki@9elements.com, michal.simek@amd.com, nuno.sa@analog.com, chou.cosmo@gmail.com, grantpeltier93@gmail.com, eajames@linux.ibm.com, farouk.bouabid@cherry.de, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, m.facchin@arduino.cc, Riccardo Mereu Subject: [PATCH v3 6/6] arm64: dts: qcom: qrb2210: add dts for Arduino unoq Date: Thu, 20 Nov 2025 16:58:25 +0100 Message-ID: <20251120155825.121483-7-r.mereu.kernel@arduino.cc> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251120155825.121483-1-r.mereu.kernel@arduino.cc> References: <20251120155825.121483-1-r.mereu.kernel@arduino.cc> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: Riccardo Mereu Arduino UnoQ is a single-board computer combining Qualcomm Dragonwing=E2=84=A2 QRB2210 microprocessor with STMicroelectronics STM32U585 microcontroller. Support to a simply boot to shell environment includes: - UART, I2C, SPI - onboard LEDS - eMMC - WLAN and BT Signed-off-by: Riccardo Mereu Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Reviewed-by: Krzysztof Kozlowski --- arch/arm64/boot/dts/qcom/Makefile | 1 + .../boot/dts/qcom/qrb2210-arduino-imola.dts | 459 ++++++++++++++++++ 2 files changed, 460 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/M= akefile index 6f34d5ed331c..9f98a7f2cbb4 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -143,6 +143,7 @@ dtb-$(CONFIG_ARCH_QCOM) +=3D qcs8550-aim300-aiot.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D qcs9100-ride.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D qcs9100-ride-r3.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D qdu1000-idp.dtb +dtb-$(CONFIG_ARCH_QCOM) +=3D qrb2210-arduino-imola.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D qrb2210-rb1.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D qrb4210-rb2.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D qrb5165-rb5.dtb diff --git a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts b/arch/arm6= 4/boot/dts/qcom/qrb2210-arduino-imola.dts new file mode 100644 index 000000000000..197ab6eb1666 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts @@ -0,0 +1,459 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright (c) 2025, Arduino SRL + */ + +/dts-v1/; + +#include +#include "agatti.dtsi" +#include "pm4125.dtsi" + +/delete-node/ &cont_splash_memory; + +/ { + model =3D "Arduino UnoQ"; + compatible =3D "arduino,imola", "qcom,qrb2210", "qcom,qcm2290"; + chassis-type =3D "embedded"; + + aliases { + serial0 =3D &uart4; + serial1 =3D &uart2; + serial2 =3D &uart3; + sdhc1 =3D &sdhc_1; + }; + + chosen { + stdout-path =3D "serial0:115200n8"; + }; + + gpio-keys { + compatible =3D "gpio-keys"; + label =3D "gpio-keys"; + pinctrl-0 =3D <&key_volp_n>, <&key_vold_n>; + pinctrl-names =3D "default"; + + key-volume-up { + label =3D "Volume Up"; + linux,code =3D ; + gpios =3D <&tlmm 96 GPIO_ACTIVE_LOW>; + debounce-interval =3D <15>; + linux,can-disable; + wakeup-source; + }; + + key-volume-down { + label =3D "Volume Down"; + linux,code =3D ; + gpios =3D <&tlmm 36 GPIO_ACTIVE_LOW>; + debounce-interval =3D <15>; + linux,can-disable; + wakeup-source; + }; + }; + + leds: leds { + compatible =3D "gpio-leds"; + + led-bt { + label =3D "unoq:bt-blue2"; + function =3D LED_FUNCTION_BLUETOOTH; + color =3D ; + gpios =3D <&tlmm 47 GPIO_ACTIVE_HIGH>; + linux,default-trigger =3D "bluetooth-power"; + default-state =3D "off"; + }; + + led-panic { + label =3D "unoq:panic-red2"; + function =3D LED_FUNCTION_INDICATOR; + color =3D ; + gpios =3D <&tlmm 39 GPIO_ACTIVE_HIGH>; + linux,default-trigger =3D "none"; + default-state =3D "off"; + panic-indicator; + }; + + led-wlan { + label =3D "unoq:wlan-green2"; + function =3D LED_FUNCTION_WLAN; + color =3D ; + gpios =3D <&tlmm 40 GPIO_ACTIVE_HIGH>; + linux,default-trigger =3D "phy0tx"; + default-state =3D "off"; + }; + + ledb: led-user-blue { + label =3D "unoq:user-blue1"; + gpios =3D <&tlmm 60 GPIO_ACTIVE_HIGH>; + color =3D ; + }; + + ledg: led-user-green { + label =3D "unoq:user-green1"; + gpios =3D <&tlmm 42 GPIO_ACTIVE_HIGH>; + color =3D ; + }; + + ledr: led-user-red { + label =3D "unoq:user-red1"; + gpios =3D <&tlmm 41 GPIO_ACTIVE_HIGH>; + color =3D ; + }; + }; + + multi-led { + compatible =3D "leds-group-multicolor"; + color =3D ; + function =3D LED_FUNCTION_INDICATOR; + leds =3D <&ledr>, <&ledg>, <&ledb>; + }; + + /* PM4125 charger out, supplied by VBAT */ + vph_pwr: regulator-vph-pwr { + compatible =3D "regulator-fixed"; + regulator-name =3D "vph_pwr"; + regulator-min-microvolt =3D <3700000>; + regulator-max-microvolt =3D <3700000>; + regulator-always-on; + regulator-boot-on; + }; +}; + +&gpi_dma0 { + status =3D "okay"; +}; + +&gpu { + status =3D "okay"; +}; + +&gpu_zap_shader { + firmware-name =3D "qcom/qcm2290/a702_zap.mbn"; +}; + +&i2c0 { + clock-frequency =3D <100000>; + + status =3D "okay"; +}; + +&i2c1 { + clock-frequency =3D <100000>; + + status =3D "okay"; +}; + +&pm4125_vbus { + regulator-min-microamp =3D <500000>; + regulator-max-microamp =3D <500000>; + + status =3D "okay"; +}; + +&qupv3_id_0 { + status =3D "okay"; +}; + +&remoteproc_adsp { + firmware-name =3D "qcom/qcm2290/adsp.mbn"; + + status =3D "okay"; +}; + +&remoteproc_mpss { + firmware-name =3D "qcom/qcm2290/modem.mbn"; + + status =3D "okay"; +}; + +&rpm_requests { + regulators { + compatible =3D "qcom,rpm-pm2250-regulators"; + vdd_s3-supply =3D <&vph_pwr>; + vdd_s4-supply =3D <&vph_pwr>; + vdd_l1_l2_l3_l5_l6_l7_l8_l9_l10_l11_l12-supply =3D <&pm4125_s3>; + vdd_l4_l17_l18_l19_l20_l21_l22-supply =3D <&vph_pwr>; + vdd_l13_l14_l15_l16-supply =3D <&pm4125_s4>; + + pm4125_s3: s3 { + /* 0.4V-1.6625V -> 1.3V (Power tree requirements) */ + regulator-min-microvolt =3D <1352000>; + regulator-max-microvolt =3D <1352000>; + regulator-boot-on; + }; + + pm4125_s4: s4 { + /* 1.2V-2.35V -> 2.05V (Power tree requirements) */ + regulator-min-microvolt =3D <2072000>; + regulator-max-microvolt =3D <2072000>; + regulator-boot-on; + }; + + pm4125_l2: l2 { + /* LPDDR4X VDD2 */ + regulator-min-microvolt =3D <1136000>; + regulator-max-microvolt =3D <1136000>; + regulator-always-on; + regulator-boot-on; + }; + + pm4125_l3: l3 { + /* LPDDR4X VDDQ */ + regulator-min-microvolt =3D <616000>; + regulator-max-microvolt =3D <616000>; + regulator-always-on; + regulator-boot-on; + }; + + pm4125_l4: l4 { + /* max =3D 3.05V -> max =3D 2.7 to disable 3V signaling (SDHCI2) */ + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <2700000>; + regulator-allow-set-load; + }; + + pm4125_l5: l5 { + /* CSI/DSI */ + regulator-min-microvolt =3D <1232000>; + regulator-max-microvolt =3D <1232000>; + regulator-allow-set-load; + regulator-boot-on; + }; + + pm4125_l6: l6 { + /* DRAM PLL */ + regulator-min-microvolt =3D <928000>; + regulator-max-microvolt =3D <928000>; + regulator-always-on; + regulator-boot-on; + }; + + pm4125_l7: l7 { + /* Wi-Fi CX */ + regulator-min-microvolt =3D <664000>; + regulator-max-microvolt =3D <664000>; + }; + + pm4125_l10: l10 { + /* Wi-Fi RFA */ + regulator-min-microvolt =3D <1304000>; + regulator-max-microvolt =3D <1304000>; + }; + + pm4125_l11: l11 { + /* ANX7625 DVDD1P0V/AVDD1P0V */ + regulator-min-microvolt =3D <1000000>; + regulator-max-microvolt =3D <1000000>; + regulator-boot-on; + regulator-always-on; + }; + + pm4125_l12: l12 { + /* USB PHYs */ + regulator-min-microvolt =3D <928000>; + regulator-max-microvolt =3D <928000>; + regulator-allow-set-load; + regulator-boot-on; + }; + + pm4125_l13: l13 { + /* USB/QFPROM/PLLs */ + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + regulator-allow-set-load; + regulator-boot-on; + }; + + pm4125_l14: l14 { + /* SDHCI1 EMMC VCCQ */ + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + regulator-allow-set-load; + /* Broken hardware, never turn it off! */ + regulator-always-on; + }; + + pm4125_l15: l15 { + /* VDDIO */ + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + regulator-allow-set-load; + regulator-always-on; + regulator-boot-on; + }; + + pm4125_l20: l20 { + /* SDHCI1 EMMC */ + regulator-min-microvolt =3D <2400000>; + regulator-max-microvolt =3D <3600000>; + regulator-allow-set-load; + }; + + pm4125_l21: l21 { + /* USB HS */ + regulator-min-microvolt =3D <2960000>; + regulator-max-microvolt =3D <3300000>; + regulator-allow-set-load; + regulator-boot-on; + }; + + pm4125_l22: l22 { + /* Wi-Fi VDD */ + regulator-min-microvolt =3D <3312000>; + regulator-max-microvolt =3D <3312000>; + }; + }; +}; + +&sdhc_1 { + vmmc-supply =3D <&pm4125_l20>; + vqmmc-supply =3D <&pm4125_l14>; + pinctrl-0 =3D <&sdc1_state_on>; + pinctrl-1 =3D <&sdc1_state_off>; + pinctrl-names =3D "default", "sleep"; + mmc-hs400-1_8v; + mmc-hs200-1_8v; + non-removable; + supports-cqe; + no-sdio; + no-sd; + + status =3D "okay"; +}; + +&spi5 { + status =3D "okay"; + + spidev@0 { + reg =3D <0>; + compatible =3D "arduino,unoq-mcu"; + pinctrl-0 =3D <&spidev_cs>; + pinctrl-names =3D "default"; + }; +}; + +&tlmm { + spidev_cs: spidev-cs-state { + pins =3D "gpio17"; + function =3D "gpio"; + drive-strength =3D <16>; + }; + + jmisc_gpio18: jmisc-gpio18-state { + pins =3D "gpio18"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-pull-down; + }; + + jmisc_gpio28: jmisc-gpio28-state { + pins =3D "gpio28"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-pull-down; + }; + + key_vold_n: key-vold-n-state { + pins =3D "gpio36"; + function =3D "gpio"; + bias-pull-up; + output-disable; + }; + + key_volp_n: key-volp-n-state { + pins =3D "gpio96"; + function =3D "gpio"; + bias-pull-up; + output-disable; + }; + + jmisc_gpio98: jmisc-gpio98-state { + pins =3D "gpio98"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-pull-down; + }; + + jmisc_gpio99: jmisc-gpio99-state { + pins =3D "gpio99"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-pull-down; + }; + + jmisc_gpio100: jmisc-gpio100-state { + pins =3D "gpio100"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-pull-down; + }; + + jmisc_gpio101: jmisc-gpio101-state { + pins =3D "gpio101"; + function =3D "gpio"; + drive-strength =3D <2>; + bias-pull-down; + }; +}; + +&uart2 { + status =3D "okay"; +}; + +/* UART connected to Bluetooth */ +&uart3 { + status =3D "okay"; + + bluetooth { + compatible =3D "qcom,wcn3988-bt"; + + vddio-supply =3D <&pm4125_l15>; + vddxo-supply =3D <&pm4125_l13>; + vddrf-supply =3D <&pm4125_l10>; + vddch0-supply =3D <&pm4125_l22>; + enable-gpios =3D <&tlmm 87 GPIO_ACTIVE_HIGH>; + max-speed =3D <3000000>; + }; +}; + +/* UART exposed in JCTL */ +&uart4 { + compatible =3D "qcom,geni-debug-uart"; + + status =3D "okay"; +}; + +&usb { + status =3D "okay"; +}; + +&usb_hsphy { + vdd-supply =3D <&pm4125_l12>; + vdda-pll-supply =3D <&pm4125_l13>; + vdda-phy-dpdm-supply =3D <&pm4125_l21>; + + status =3D "okay"; +}; + +&usb_qmpphy { + vdda-phy-supply =3D <&pm4125_l12>; + vdda-pll-supply =3D <&pm4125_l13>; + + status =3D "okay"; +}; + +&wifi { + vdd-0.8-cx-mx-supply =3D <&pm4125_l7>; + vdd-1.8-xo-supply =3D <&pm4125_l13>; + vdd-1.3-rfa-supply =3D <&pm4125_l10>; + vdd-3.3-ch0-supply =3D <&pm4125_l22>; + qcom,ath10k-calibration-variant =3D "ArduinoImola"; + firmware-name =3D "qcm2290"; + + status =3D "okay"; +}; + +&xo_board { + clock-frequency =3D <38400000>; +}; --=20 2.52.0