]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
arm64: dts: qcom: qrb2210: add dts for Arduino unoq
authorRiccardo Mereu <r.mereu@arduino.cc>
Thu, 20 Nov 2025 15:58:25 +0000 (16:58 +0100)
committerBjorn Andersson <andersson@kernel.org>
Sat, 3 Jan 2026 18:42:36 +0000 (12:42 -0600)
Arduino UnoQ is a single-board computer combining Qualcomm
Dragonwing™ 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 <r.mereu@arduino.cc>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20251120155825.121483-7-r.mereu.kernel@arduino.cc
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
arch/arm64/boot/dts/qcom/Makefile
arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts [new file with mode: 0644]

index f139e53345279ea1581195bacba7d237b315e5ad..ce29b26473b3f33c57870e93b7219bb8309aaea0 100644 (file)
@@ -146,6 +146,7 @@ dtb-$(CONFIG_ARCH_QCOM)     += qcs8550-aim300-aiot.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += qcs9100-ride.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += qcs9100-ride-r3.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += qdu1000-idp.dtb
+dtb-$(CONFIG_ARCH_QCOM)        += qrb2210-arduino-imola.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += qrb2210-rb1.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += qrb4210-rb2.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += qrb5165-rb5.dtb
diff --git a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts
new file mode 100644 (file)
index 0000000..197ab6e
--- /dev/null
@@ -0,0 +1,459 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (c) 2025, Arduino SRL
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+#include "agatti.dtsi"
+#include "pm4125.dtsi"
+
+/delete-node/ &cont_splash_memory;
+
+/ {
+       model = "Arduino UnoQ";
+       compatible = "arduino,imola", "qcom,qrb2210", "qcom,qcm2290";
+       chassis-type = "embedded";
+
+       aliases {
+               serial0 = &uart4;
+               serial1 = &uart2;
+               serial2 = &uart3;
+               sdhc1 = &sdhc_1;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       gpio-keys {
+               compatible = "gpio-keys";
+               label = "gpio-keys";
+               pinctrl-0 = <&key_volp_n>, <&key_vold_n>;
+               pinctrl-names = "default";
+
+               key-volume-up {
+                       label = "Volume Up";
+                       linux,code = <KEY_VOLUMEUP>;
+                       gpios = <&tlmm 96 GPIO_ACTIVE_LOW>;
+                       debounce-interval = <15>;
+                       linux,can-disable;
+                       wakeup-source;
+               };
+
+               key-volume-down {
+                       label = "Volume Down";
+                       linux,code = <KEY_VOLUMEDOWN>;
+                       gpios = <&tlmm 36 GPIO_ACTIVE_LOW>;
+                       debounce-interval = <15>;
+                       linux,can-disable;
+                       wakeup-source;
+               };
+       };
+
+       leds: leds {
+               compatible = "gpio-leds";
+
+               led-bt {
+                       label = "unoq:bt-blue2";
+                       function = LED_FUNCTION_BLUETOOTH;
+                       color = <LED_COLOR_ID_BLUE>;
+                       gpios = <&tlmm 47 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "bluetooth-power";
+                       default-state = "off";
+               };
+
+               led-panic {
+                       label = "unoq:panic-red2";
+                       function = LED_FUNCTION_INDICATOR;
+                       color = <LED_COLOR_ID_RED>;
+                       gpios = <&tlmm 39 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "none";
+                       default-state = "off";
+                       panic-indicator;
+               };
+
+               led-wlan {
+                       label = "unoq:wlan-green2";
+                       function = LED_FUNCTION_WLAN;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&tlmm 40 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "phy0tx";
+                       default-state = "off";
+               };
+
+               ledb: led-user-blue {
+                       label = "unoq:user-blue1";
+                       gpios = <&tlmm 60 GPIO_ACTIVE_HIGH>;
+                       color = <LED_COLOR_ID_BLUE>;
+               };
+
+               ledg: led-user-green {
+                       label = "unoq:user-green1";
+                       gpios = <&tlmm 42 GPIO_ACTIVE_HIGH>;
+                       color = <LED_COLOR_ID_GREEN>;
+               };
+
+               ledr: led-user-red {
+                       label = "unoq:user-red1";
+                       gpios = <&tlmm 41 GPIO_ACTIVE_HIGH>;
+                       color = <LED_COLOR_ID_RED>;
+               };
+       };
+
+       multi-led {
+               compatible = "leds-group-multicolor";
+               color = <LED_COLOR_ID_RGB>;
+               function = LED_FUNCTION_INDICATOR;
+               leds = <&ledr>, <&ledg>, <&ledb>;
+       };
+
+       /* PM4125 charger out, supplied by VBAT */
+       vph_pwr: regulator-vph-pwr {
+               compatible = "regulator-fixed";
+               regulator-name = "vph_pwr";
+               regulator-min-microvolt = <3700000>;
+               regulator-max-microvolt = <3700000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
+};
+
+&gpi_dma0 {
+       status = "okay";
+};
+
+&gpu {
+       status = "okay";
+};
+
+&gpu_zap_shader {
+       firmware-name = "qcom/qcm2290/a702_zap.mbn";
+};
+
+&i2c0 {
+       clock-frequency = <100000>;
+
+       status = "okay";
+};
+
+&i2c1 {
+       clock-frequency = <100000>;
+
+       status = "okay";
+};
+
+&pm4125_vbus {
+       regulator-min-microamp = <500000>;
+       regulator-max-microamp = <500000>;
+
+       status = "okay";
+};
+
+&qupv3_id_0 {
+       status = "okay";
+};
+
+&remoteproc_adsp {
+       firmware-name = "qcom/qcm2290/adsp.mbn";
+
+       status = "okay";
+};
+
+&remoteproc_mpss {
+       firmware-name = "qcom/qcm2290/modem.mbn";
+
+       status = "okay";
+};
+
+&rpm_requests {
+       regulators {
+               compatible = "qcom,rpm-pm2250-regulators";
+               vdd_s3-supply = <&vph_pwr>;
+               vdd_s4-supply = <&vph_pwr>;
+               vdd_l1_l2_l3_l5_l6_l7_l8_l9_l10_l11_l12-supply = <&pm4125_s3>;
+               vdd_l4_l17_l18_l19_l20_l21_l22-supply = <&vph_pwr>;
+               vdd_l13_l14_l15_l16-supply = <&pm4125_s4>;
+
+               pm4125_s3: s3 {
+                       /* 0.4V-1.6625V -> 1.3V (Power tree requirements) */
+                       regulator-min-microvolt = <1352000>;
+                       regulator-max-microvolt = <1352000>;
+                       regulator-boot-on;
+               };
+
+               pm4125_s4: s4 {
+                       /* 1.2V-2.35V -> 2.05V (Power tree requirements) */
+                       regulator-min-microvolt = <2072000>;
+                       regulator-max-microvolt = <2072000>;
+                       regulator-boot-on;
+               };
+
+               pm4125_l2: l2 {
+                       /* LPDDR4X VDD2 */
+                       regulator-min-microvolt = <1136000>;
+                       regulator-max-microvolt = <1136000>;
+                       regulator-always-on;
+                       regulator-boot-on;
+               };
+
+               pm4125_l3: l3 {
+                       /* LPDDR4X VDDQ */
+                       regulator-min-microvolt = <616000>;
+                       regulator-max-microvolt = <616000>;
+                       regulator-always-on;
+                       regulator-boot-on;
+               };
+
+               pm4125_l4: l4 {
+                       /* max = 3.05V -> max = 2.7 to disable 3V signaling (SDHCI2) */
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <2700000>;
+                       regulator-allow-set-load;
+               };
+
+               pm4125_l5: l5 {
+                       /* CSI/DSI */
+                       regulator-min-microvolt = <1232000>;
+                       regulator-max-microvolt = <1232000>;
+                       regulator-allow-set-load;
+                       regulator-boot-on;
+               };
+
+               pm4125_l6: l6 {
+                       /* DRAM PLL */
+                       regulator-min-microvolt = <928000>;
+                       regulator-max-microvolt = <928000>;
+                       regulator-always-on;
+                       regulator-boot-on;
+               };
+
+               pm4125_l7: l7 {
+                       /* Wi-Fi CX */
+                       regulator-min-microvolt = <664000>;
+                       regulator-max-microvolt = <664000>;
+               };
+
+               pm4125_l10: l10 {
+                       /* Wi-Fi RFA */
+                       regulator-min-microvolt = <1304000>;
+                       regulator-max-microvolt = <1304000>;
+               };
+
+               pm4125_l11: l11 {
+                       /* ANX7625 DVDD1P0V/AVDD1P0V */
+                       regulator-min-microvolt = <1000000>;
+                       regulator-max-microvolt = <1000000>;
+                       regulator-boot-on;
+                       regulator-always-on;
+               };
+
+               pm4125_l12: l12 {
+                       /* USB PHYs */
+                       regulator-min-microvolt = <928000>;
+                       regulator-max-microvolt = <928000>;
+                       regulator-allow-set-load;
+                       regulator-boot-on;
+               };
+
+               pm4125_l13: l13 {
+                       /* USB/QFPROM/PLLs */
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+                       regulator-allow-set-load;
+                       regulator-boot-on;
+               };
+
+               pm4125_l14: l14 {
+                       /* SDHCI1 EMMC VCCQ */
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+                       regulator-allow-set-load;
+                       /* Broken hardware, never turn it off! */
+                       regulator-always-on;
+               };
+
+               pm4125_l15: l15 {
+                       /* VDDIO */
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+                       regulator-allow-set-load;
+                       regulator-always-on;
+                       regulator-boot-on;
+               };
+
+               pm4125_l20: l20 {
+                       /* SDHCI1 EMMC */
+                       regulator-min-microvolt = <2400000>;
+                       regulator-max-microvolt = <3600000>;
+                       regulator-allow-set-load;
+               };
+
+               pm4125_l21: l21 {
+                       /* USB HS */
+                       regulator-min-microvolt = <2960000>;
+                       regulator-max-microvolt = <3300000>;
+                       regulator-allow-set-load;
+                       regulator-boot-on;
+               };
+
+               pm4125_l22: l22 {
+                       /* Wi-Fi VDD */
+                       regulator-min-microvolt = <3312000>;
+                       regulator-max-microvolt = <3312000>;
+               };
+       };
+};
+
+&sdhc_1 {
+       vmmc-supply = <&pm4125_l20>;
+       vqmmc-supply = <&pm4125_l14>;
+       pinctrl-0 = <&sdc1_state_on>;
+       pinctrl-1 = <&sdc1_state_off>;
+       pinctrl-names = "default", "sleep";
+       mmc-hs400-1_8v;
+       mmc-hs200-1_8v;
+       non-removable;
+       supports-cqe;
+       no-sdio;
+       no-sd;
+
+       status = "okay";
+};
+
+&spi5 {
+       status = "okay";
+
+       spidev@0 {
+               reg = <0>;
+               compatible = "arduino,unoq-mcu";
+               pinctrl-0 = <&spidev_cs>;
+               pinctrl-names = "default";
+       };
+};
+
+&tlmm {
+       spidev_cs: spidev-cs-state {
+               pins = "gpio17";
+               function = "gpio";
+               drive-strength = <16>;
+       };
+
+       jmisc_gpio18: jmisc-gpio18-state {
+               pins = "gpio18";
+               function = "gpio";
+               drive-strength = <2>;
+               bias-pull-down;
+       };
+
+       jmisc_gpio28: jmisc-gpio28-state {
+               pins = "gpio28";
+               function = "gpio";
+               drive-strength = <2>;
+               bias-pull-down;
+       };
+
+       key_vold_n: key-vold-n-state {
+               pins = "gpio36";
+               function = "gpio";
+               bias-pull-up;
+               output-disable;
+       };
+
+       key_volp_n: key-volp-n-state {
+               pins = "gpio96";
+               function = "gpio";
+               bias-pull-up;
+               output-disable;
+       };
+
+       jmisc_gpio98: jmisc-gpio98-state {
+               pins = "gpio98";
+               function = "gpio";
+               drive-strength = <2>;
+               bias-pull-down;
+       };
+
+       jmisc_gpio99: jmisc-gpio99-state {
+               pins = "gpio99";
+               function = "gpio";
+               drive-strength = <2>;
+               bias-pull-down;
+       };
+
+       jmisc_gpio100: jmisc-gpio100-state {
+               pins = "gpio100";
+               function = "gpio";
+               drive-strength = <2>;
+               bias-pull-down;
+       };
+
+       jmisc_gpio101: jmisc-gpio101-state {
+               pins = "gpio101";
+               function = "gpio";
+               drive-strength = <2>;
+               bias-pull-down;
+       };
+};
+
+&uart2 {
+       status = "okay";
+};
+
+/* UART connected to Bluetooth */
+&uart3 {
+       status = "okay";
+
+       bluetooth {
+               compatible = "qcom,wcn3988-bt";
+
+               vddio-supply = <&pm4125_l15>;
+               vddxo-supply = <&pm4125_l13>;
+               vddrf-supply = <&pm4125_l10>;
+               vddch0-supply = <&pm4125_l22>;
+               enable-gpios = <&tlmm 87 GPIO_ACTIVE_HIGH>;
+               max-speed = <3000000>;
+       };
+};
+
+/* UART exposed in JCTL */
+&uart4 {
+       compatible = "qcom,geni-debug-uart";
+
+       status = "okay";
+};
+
+&usb {
+       status = "okay";
+};
+
+&usb_hsphy {
+       vdd-supply = <&pm4125_l12>;
+       vdda-pll-supply = <&pm4125_l13>;
+       vdda-phy-dpdm-supply = <&pm4125_l21>;
+
+       status = "okay";
+};
+
+&usb_qmpphy {
+       vdda-phy-supply = <&pm4125_l12>;
+       vdda-pll-supply = <&pm4125_l13>;
+
+       status = "okay";
+};
+
+&wifi {
+       vdd-0.8-cx-mx-supply = <&pm4125_l7>;
+       vdd-1.8-xo-supply = <&pm4125_l13>;
+       vdd-1.3-rfa-supply = <&pm4125_l10>;
+       vdd-3.3-ch0-supply = <&pm4125_l22>;
+       qcom,ath10k-calibration-variant = "ArduinoImola";
+       firmware-name = "qcm2290";
+
+       status = "okay";
+};
+
+&xo_board {
+       clock-frequency = <38400000>;
+};