[PATCH 1/3] arm64: dts: rockchip: Add modem to the Pinephone Pro

Rudraksha Gupta via B4 Relay devnull+guptarud.gmail.com at kernel.org
Mon Jan 12 22:42:24 PST 2026


From: Rudraksha Gupta <guptarud at gmail.com>

This adds the Quectel EG25-G modem to the Pinephone Pro.

Co-developed-by: Martijn Braam <martijn at brixit.nl>
Signed-off-by: Martijn Braam <martijn at brixit.nl>
Co-developed-by: Kamil Trzciński <ayufan at ayufan.eu>
Signed-off-by: Kamil Trzciński <ayufan at ayufan.eu>
Co-developed-by: Ondrej Jirman <megi at xff.cz>
Signed-off-by: Ondrej Jirman <megi at xff.cz>
Co-developed-by: Danct12 <danct12 at disroot.org>
Signed-off-by: Danct12 <danct12 at disroot.org>
Signed-off-by: Rudraksha Gupta <guptarud at gmail.com>
---
 .../boot/dts/rockchip/rk3399-pinephone-pro.dts     | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
index 6b35f59cd58e..97d0bf455258 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
@@ -97,6 +97,46 @@ multi-led {
 		leds = <&led_red>, <&led_green>, <&led_blue>;
 	};
 
+	vcc_4g_5v: regulator-vcc-4g-5v {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio1 RK_PC7 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc_4g_5v_en>;
+		regulator-name = "vcc_4g_5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v0_sys>;
+		regulator-always-on;
+	};
+
+	vcc_4g: regulator-vcc-4g {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio4 RK_PC7 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc_4g_en>;
+		regulator-name = "vcc_4g";
+		regulator-min-microvolt = <3800000>;
+		regulator-max-microvolt = <3800000>;
+		vin-supply = <&vcc_sys>;
+		regulator-always-on;
+	};
+
+	vcc5v0_sys: regulator-vcc5v0-host {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_sys";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&boost_otg>;
+
+		regulator-state-mem {
+			regulator-on-in-suspend;
+		};
+	};
+
 	vcc_sys: regulator-vcc-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_sys";
@@ -274,6 +314,17 @@ rk818: pmic at 1c {
 		vcc9-supply = <&vcc3v3_sys>;
 
 		regulators {
+			boost_otg: DCDC_BOOST {
+				regulator-name = "boost_otg";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5000000>;
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
 			vdd_cpu_l: DCDC_REG1 {
 				regulator-name = "vdd_cpu_l";
 				regulator-always-on;
@@ -702,6 +753,16 @@ blue_led_pin: blue-led-pin {
 		};
 	};
 
+	modem {
+		vcc_4g_5v_en: vcc-4g-5v-en-pin {
+			rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		vcc_4g_en: vcc-4g-en-pin {
+			rockchip,pins = <4 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	pmic {
 		pmic_int_l: pmic-int-l {
 			rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -827,6 +888,16 @@ &tsadc {
 	status = "okay";
 };
 
+
+&u2phy1 {
+	status = "okay";
+};
+
+&u2phy1_host {
+	status = "okay";
+	phy-supply = <&vcc5v0_sys>;
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
@@ -852,6 +923,18 @@ &uart2 {
 	status = "okay";
 };
 
+&uart3 {
+	status = "okay";
+};
+
+&usb_host1_ehci {
+	status = "okay";
+};
+
+&usb_host1_ohci {
+	status = "okay";
+};
+
 &vopb {
 	status = "okay";
 	assigned-clocks = <&cru DCLK_VOP0_DIV>, <&cru DCLK_VOP0>,

-- 
2.52.0





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