Merge tag 'sunxi-dt-for-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into soc/dt

Allwinner device tree changes for 7.3

Some changes for old chips/devices and some for recent ones.

- A10 PMU interrupt number fixed
- A100/A133 gained LRADC
- enabled overlay support for sun8i-h2-plus pi boards
- A523 family gained consumer IR receiver
- H728-based X96QPRO+ gained SPDIF audio output
- PinePhone's mpu6050 mount orientation fixed
- style fixes

New board added:
- Baijie Helper A133
- NetCube Systems OpenNMC (dobermann)

* tag 'sunxi-dt-for-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  arm64: dts: allwinner: Correct white-space style
  ARM: dts: allwinner: Correct white-space style
  arm64: dts: allwinner: a523: Enable SPDIF on X96QPRO+
  arm64: dts: allwinner: a523: Add SPDIF output PH pin mux option
  arm64: dts: allwinner: sun50i-a64-pinephone: Fix mpu6050 mount matrix
  arm64: dts: allwinner: a523: enable IR on the Avaota A1
  arm64: dts: allwinner: a523: enable IR receiver on the X96Q Pro+
  arm64: dts: allwinner: a523: add IR receiver nodes
  media: dt-bindings: allwinner,sun4i-a10-ir: add A523 compatible
  ARM: dts: allwinner: a10: Fix PMU interrupt
  ARM: dts: allwinner: enable overlay support for sun8i-h2-plus pi boards
  ARM: dts: allwinner: add support for NetCube Systems OpenNMC (dobermann)
  riscv: dts: allwinner: d1s-t113: Add uart4 pinctrl required by NetCube Systems OpenNMC
  dt-bindings: arm: sunxi: Add NetCube Systems OpenNMC (dobermann)
  ARM: dts: allwinner: sun8i-h3: Correct indentation
  arm64: dts: allwinner: A133: add support for Baijie Helper A133 board
  arm64: dts: allwinner: a100: Add LRADC node
  dt-bindings: input: sun4i-lradc-keys: Add A100/A133 compatible
  dt-bindings: arm: sunxi: Add Baijie HelperBoard A133 compatible
  dt-bindings: vendor-prefixes: Add Shenzhen Baijie Technology Co., Ltd.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

27 files changed, 627 insertions, 20 deletions

diff --git a/Documentation/devicetree/bindings/arm/sunxi.yaml b/Documentation/devicetree/bindings/arm/sunxi.yaml
index e6443c266fa1..f04db28c630a 100644
--- a/Documentation/devicetree/bindings/arm/sunxi.yaml
+++ b/Documentation/devicetree/bindings/arm/sunxi.yaml
@@ -96,6 +96,12 @@ properties:
           - const: allwinner,ba10-tvbox
           - const: allwinner,sun4i-a10
 
+      - description: Baijie A133 HelperBoard
+        items:
+          - const: baijie,helperboard-a133
+          - const: baijie,helperboard-a133-core
+          - const: allwinner,sun50i-a100
+
       - description: BananaPi
         items:
           - const: lemaker,bananapi
@@ -598,6 +604,7 @@ properties:
       - description: NetCube Systems Nagami SoM based boards
         items:
           - enum:
+              - netcube,dobermann
               - netcube,nagami-basic-carrier
               - netcube,nagami-keypad-carrier
           - const: netcube,nagami
diff --git a/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml b/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml
index 6bdb8040be65..524c8b51f53f 100644
--- a/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml
+++ b/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml
@@ -23,6 +23,7 @@ properties:
       - const: allwinner,sun50i-r329-lradc
       - items:
           - enum:
+              - allwinner,sun50i-a100-lradc
               - allwinner,sun50i-h616-lradc
               - allwinner,sun20i-d1-lradc
           - const: allwinner,sun50i-r329-lradc
diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-ir.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-ir.yaml
index 42dfe22ad5f1..18b28feacf83 100644
--- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-ir.yaml
+++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-ir.yaml
@@ -16,9 +16,10 @@ allOf:
 properties:
   compatible:
     oneOf:
-      - const: allwinner,sun4i-a10-ir
-      - const: allwinner,sun5i-a13-ir
-      - const: allwinner,sun6i-a31-ir
+      - enum:
+          - allwinner,sun4i-a10-ir
+          - allwinner,sun5i-a13-ir
+          - allwinner,sun6i-a31-ir
       - items:
           - enum:
               - allwinner,suniv-f1c100s-ir
@@ -27,6 +28,7 @@ properties:
               - allwinner,sun50i-a64-ir
               - allwinner,sun50i-h6-ir
               - allwinner,sun50i-h616-ir
+              - allwinner,sun55i-a523-ir
           - const: allwinner,sun6i-a31-ir
 
   reg:
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 0ca6ded2b651..12cfe65c1e0c 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -231,6 +231,8 @@ patternProperties:
     description: Azoteq (Pty) Ltd
   "^azw,.*":
     description: Shenzhen AZW Technology Co., Ltd.
+  "^baijie,.*":
+    description: Shenzhen Baijie Technology Co., Ltd.
   "^baikal,.*":
     description: BAIKAL ELECTRONICS, JSC
   "^bananapi,.*":
diff --git a/arch/arm/boot/dts/allwinner/Makefile b/arch/arm/boot/dts/allwinner/Makefile
index f71392a55df8..75b2b6a2f7a6 100644
--- a/arch/arm/boot/dts/allwinner/Makefile
+++ b/arch/arm/boot/dts/allwinner/Makefile
@@ -182,6 +182,9 @@ dtb-$(CONFIG_MACH_SUN7I) += \
 	sun7i-a20-wits-pro-a20-dkt.dtb
 
 # Enables support for device-tree overlays for all pis
+DTC_FLAGS_sun8i-h2-plus-bananapi-m2-zero := -@
+DTC_FLAGS_sun8i-h2-plus-libretech-all-h3-cc := -@
+DTC_FLAGS_sun8i-h2-plus-orangepi-r1 := -@
 DTC_FLAGS_sun8i-h2-plus-orangepi-zero := -@
 DTC_FLAGS_sun8i-h3-orangepi-lite := -@
 DTC_FLAGS_sun8i-h3-bananapi-m2-plus := -@
@@ -201,6 +204,7 @@ DTC_FLAGS_sun8i-h3-orangepi-pc := -@
 DTC_FLAGS_sun8i-h3-bananapi-m2-plus-v1.2 := -@
 DTC_FLAGS_sun8i-h3-orangepi-pc-plus := -@
 DTC_FLAGS_sun8i-t113s-netcube-nagami-basic-carrier := -@
+DTC_FLAGS_sun8i-t113s-netcube-dobermann := -@
 DTC_FLAGS_sun8i-v3s-netcube-kumquat := -@
 dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-a23-evb.dtb \
@@ -261,6 +265,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-s3-lichee-zero-plus.dtb \
 	sun8i-s3-pinecube.dtb \
 	sun8i-t113s-mangopi-mq-r-t113.dtb \
+	sun8i-t113s-netcube-dobermann.dtb \
 	sun8i-t113s-netcube-nagami-basic-carrier.dtb \
 	sun8i-t113s-netcube-nagami-keypad-carrier.dtb \
 	sun8i-t3-cqa3t-bv3.dtb \
diff --git a/arch/arm/boot/dts/allwinner/sun4i-a10-gemei-g9.dts b/arch/arm/boot/dts/allwinner/sun4i-a10-gemei-g9.dts
index ea7a59dcf8f9..f6d4babe6c1c 100644
--- a/arch/arm/boot/dts/allwinner/sun4i-a10-gemei-g9.dts
+++ b/arch/arm/boot/dts/allwinner/sun4i-a10-gemei-g9.dts
@@ -179,7 +179,7 @@
 };
 
 
-&uart0  {
+&uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;
 	status = "okay";
diff --git a/arch/arm/boot/dts/allwinner/sun4i-a10-inet1.dts b/arch/arm/boot/dts/allwinner/sun4i-a10-inet1.dts
index 60e432a0ef1c..408d1f01412f 100644
--- a/arch/arm/boot/dts/allwinner/sun4i-a10-inet1.dts
+++ b/arch/arm/boot/dts/allwinner/sun4i-a10-inet1.dts
@@ -78,7 +78,7 @@
 	cpu-supply = <&reg_dcdc2>;
 };
 
-&ehci0  {
+&ehci0 {
 	status = "okay";
 };
 
@@ -157,7 +157,7 @@
 	status = "okay";
 };
 
-&ohci0  {
+&ohci0 {
 	status = "okay";
 };
 
diff --git a/arch/arm/boot/dts/allwinner/sun4i-a10.dtsi b/arch/arm/boot/dts/allwinner/sun4i-a10.dtsi
index 51a6464aab9a..cabf619c2e21 100644
--- a/arch/arm/boot/dts/allwinner/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/allwinner/sun4i-a10.dtsi
@@ -185,7 +185,7 @@
 
 	pmu {
 		compatible = "arm,cortex-a8-pmu";
-		interrupts = <3>;
+		interrupts = <66>;
 	};
 
 	reserved-memory {
diff --git a/arch/arm/boot/dts/allwinner/sun8i-h3-nanopi-duo2.dts b/arch/arm/boot/dts/allwinner/sun8i-h3-nanopi-duo2.dts
index 2b0566d4b386..88550da5af62 100644
--- a/arch/arm/boot/dts/allwinner/sun8i-h3-nanopi-duo2.dts
+++ b/arch/arm/boot/dts/allwinner/sun8i-h3-nanopi-duo2.dts
@@ -73,7 +73,7 @@
 		enable-active-high;
 		gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
 		vin-supply = <&reg_vcc5v0>;
-        };
+	};
 
 	reg_vdd_sys: vdd-sys {
 		compatible = "regulator-fixed";
@@ -85,7 +85,7 @@
 		enable-active-high;
 		gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
 		vin-supply = <&reg_vcc5v0>;
-        };
+	};
 
 	wifi_pwrseq: pwrseq {
 		compatible = "mmc-pwrseq-simple";
diff --git a/arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-dobermann.dts b/arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-dobermann.dts
new file mode 100644
index 000000000000..d7765caffe2a
--- /dev/null
+++ b/arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-dobermann.dts
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2026 Lukas Schmid <lukas.schmid@netcube.li>
+ */
+
+/dts-v1/;
+#include "sun8i-t113s-netcube-nagami.dtsi"
+
+#include <dt-bindings/leds/common.h>
+
+/ {
+	model = "NetCube Systems OpenNMC (dobermann)";
+	compatible = "netcube,dobermann", "netcube,nagami",
+		     "allwinner,sun8i-t113s";
+
+	aliases {
+		serial2 = &uart4; // UART on SmartSlot
+		rtc0 = &ds3232;
+		rtc1 = &rtc; // not battery backed
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_heartbeat_green: led-heartbeat-green {
+			gpios = <&pio 6 14 GPIO_ACTIVE_HIGH>; /* PG14 */
+			linux,default-trigger = "heartbeat";
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_HEARTBEAT;
+		};
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&i2c2 {
+	status = "okay";
+
+	tusb320: typec@60 {
+		compatible = "ti,tusb320";
+		reg = <0x60>;
+		interrupts-extended = <&pio 3 22 IRQ_TYPE_LEVEL_LOW>;  /* PD22 */
+	};
+
+	ds3232: rtc@68 {
+		compatible = "dallas,ds3232";
+		reg = <0x68>;
+	};
+};
+
+/* microSD Card Slot on the board */
+&mmc0 {
+	vmmc-supply = <&reg_vcc3v3>;
+	disable-wp;
+	bus-width = <4>;
+	cd-gpios = <&pio 6 15 GPIO_ACTIVE_LOW>; /* PG15 */
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&pio {
+	gpio-line-names = "", "", "", "", // PA
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "SMART_TX", "SMART_RX", // PB
+			  "EXT_IO3", "EXT_IO2", "CONSOLE_TX", "CONSOLE_RX",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "eMMC_CLK", "eMMC_CMD", // PC
+			  "eMMC_D2", "eMMC_D1", "eMMC_D0", "eMMC_D3",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "", // PD
+			  "", "", "", "",
+			  "", "USB_SEC_EN", "EXT_SPI_nCS", "EXT_SPI_SCK",
+			  "EXT_SPI_MOSI", "EXT_SPI_MISO", "EXT_IO5", "EXT_IO4",
+			  "SMART_SEL", "", "", "",
+			  "I2C2_SCL", "I2C2_SDA", "TUSB320_nINT", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "ETH_CRSDV", "ETH_RXD0", "ETH_RXD1", "ETH_TXCK", // PE
+			  "ETH_TXD0", "ETH_TXD1", "ETH_TXEN", "",
+			  "ETH_MDC", "ETH_MDIO", "I2C3_nINT", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "uSD_D1", "uSD_D0", "uSD_CLK", "uSD_CMD", // PF
+			  "uSD_D3", "uSD_D2", "TUSB320_ID", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "ESP_CLK", "ESP_CMD", "ESP_D0", "ESP_D1", // PG
+			  "ESP_D2", "ESP_D3", "ESP_TXD", "ESP_RXD",
+			  "ESP_nBOOT", "ESP_nRST", "I2C3_SCL", "I2C3_SDA",
+			  "EXT_IO1", "EXT_IO0", "LED_HEARTBEAT", "SD_DETECT",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "";
+};
+
+/* SmartSlot serial */
+&uart4 {
+	pinctrl-0 = <&uart4_pb_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&usb_otg {
+	extcon = <&tusb320 0>;
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usbphy {
+	usb0_id_det-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-nagami.dtsi b/arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-nagami.dtsi
index 544d60cfc32e..4879a437f415 100644
--- a/arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-nagami.dtsi
+++ b/arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-nagami.dtsi
@@ -42,7 +42,7 @@
 	};
 
 	/* USB0 MUX to switch connect to Card-Edge only after BootROM */
-	usb0_sec_mux: mux-controller{
+	usb0_sec_mux: mux-controller {
 		compatible = "gpio-mux";
 		#mux-control-cells = <0>;
 		mux-gpios = <&pio 3 9 GPIO_ACTIVE_HIGH>; /* PD9 */
diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 53e6b701e7d3..aa21f58a4be1 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -24,6 +24,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-teres-i.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h64-remix-mini-pc.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a100-allwinner-perf1.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a133-helperboard.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a133-liontron-h-a133l.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-bananapi-m2-plus.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-bananapi-m2-plus-v1.2.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
index b3fb1e0ee796..ba6020989ce9 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
@@ -466,6 +466,16 @@
 			#thermal-sensor-cells = <1>;
 		};
 
+		lradc: lradc@5070800 {
+			compatible = "allwinner,sun50i-a100-lradc",
+				     "allwinner,sun50i-r329-lradc";
+			reg = <0x05070800 0x400>;
+			interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_LRADC>;
+			resets = <&ccu RST_BUS_LRADC>;
+			status = "disabled";
+		};
+
 		usb_otg: usb@5100000 {
 			compatible = "allwinner,sun50i-a100-musb",
 				     "allwinner,sun8i-a33-musb";
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a133-helperboard-core.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a133-helperboard-core.dtsi
new file mode 100644
index 000000000000..545972d2324a
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a133-helperboard-core.dtsi
@@ -0,0 +1,197 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2025 Arm Ltd.
+ * Copyright (c) 2026 Alexander Sverdlin <alexander.sverdlin@gmail.com>
+ */
+
+/dts-v1/;
+
+#include "sun50i-a100.dtsi"
+#include "sun50i-a100-cpu-opp.dtsi"
+
+/{
+	model = "Baijie A133 HelperBoard Core";
+	compatible = "baijie,helperboard-a133-core",
+		     "allwinner,sun50i-a100";
+
+	aliases {
+		serial1 = &uart1;	/* BT module */
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
+&lradc {
+	vref-supply = <&reg_aldo1>;
+};
+
+&mmc2 {
+	vmmc-supply = <&reg_dcdc1>;
+	vqmmc-supply = <&reg_eldo1>;
+	cap-mmc-highspeed;
+	cap-mmc-hw-reset;
+	max-frequency = <100000000>;
+	non-removable;
+	bus-width = <8>;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	status = "okay";
+};
+
+&pio {
+	vcc-pb-supply = <&reg_dcdc1>;
+	vcc-pc-supply = <&reg_eldo1>;
+	vcc-pd-supply = <&reg_dcdc1>;
+	vcc-pe-supply = <&reg_dldo2>;
+	vcc-pf-supply = <&reg_dcdc1>;
+	vcc-pg-supply = <&reg_dldo1>;
+	vcc-ph-supply = <&reg_dcdc1>;
+	/*
+	 * PL0/PL1 are the I2C connection to PMIC, but it would create a
+	 * circular dependency:
+	 * vcc-pl-supply = <&reg_aldo3>;
+	 */
+};
+
+&r_i2c0 {
+	status = "okay";
+
+	axp803: pmic@34 {
+		compatible = "x-powers,axp803";
+		reg = <0x34>;
+		interrupt-parent = <&r_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		x-powers,drive-vbus-en;		/* set N_VBUSEN as output pin */
+		aldoin-supply = <&reg_vdd5v>;
+		dldoin-supply = <&reg_vdd5v>;
+		eldoin-supply = <&reg_vdd5v>;
+		fldoin-supply = <&reg_dcdc5>;
+		vin1-supply = <&reg_vdd5v>;
+		vin2-supply = <&reg_vdd5v>;
+		vin3-supply = <&reg_vdd5v>;
+		vin4-supply = <&reg_vdd5v>;
+		vin5-supply = <&reg_vdd5v>;
+		vin6-supply = <&reg_vdd5v>;
+		drivevbus-supply = <&reg_vdd5v>;
+	};
+};
+
+#include "axp803.dtsi"
+
+&ac_power_supply {
+	status = "okay";
+};
+
+&reg_aldo1 {
+	/* PLL + LRADC analog reference */
+	regulator-always-on;
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vcc-pll";
+};
+
+&reg_aldo2 {
+	/* LPDDR */
+	regulator-always-on;
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vdd18-lpddr";
+};
+
+&reg_aldo3 {
+	/*
+	 * Port L, but linking it to &pio node would create a circular
+	 * dependency because of PL0/PL1 I2C connection to PMIC
+	 */
+	regulator-always-on;
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vcc-pl";
+};
+
+&reg_dcdc1 {
+	/* Besides Port D it also powers analog part of USB IP and SoC I/O */
+	regulator-always-on;
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-3v3";
+};
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <810000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "vdd-cpu";
+};
+
+/* DCDC3 is polyphased with DCDC2 */
+
+&reg_dcdc4 {
+	/* Digital part of USB IP, "System" SoC power rail */
+	regulator-always-on;
+	regulator-min-microvolt = <950000>;
+	regulator-max-microvolt = <950000>;
+	regulator-name = "vdd-sys";
+};
+
+&reg_dcdc5 {
+	regulator-always-on;
+	regulator-min-microvolt = <1100000>;
+	regulator-max-microvolt = <1100000>;
+	regulator-name = "vcc-dram";
+};
+
+/* DCDC6 unused */
+&reg_dcdc6 {
+	status = "disabled";
+};
+
+&reg_dldo1 {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vcc-pg";
+};
+
+&reg_dldo2 {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vcc-pe";
+};
+
+&reg_dldo3 {
+	regulator-min-microvolt = <2800000>;
+	regulator-max-microvolt = <2800000>;
+	regulator-name = "avdd-csi";
+};
+
+&reg_dldo4 {
+	regulator-min-microvolt = <2800000>;
+	regulator-max-microvolt = <2800000>;
+	regulator-name = "afvcc-csi";
+};
+
+&reg_eldo1 {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vcc-pc";
+};
+
+&reg_eldo2 {
+	regulator-min-microvolt = <1200000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "dvdd-csi";
+};
+
+/* ELDO3 unused */
+
+&reg_fldo1 {
+	/* CPUS power rail */
+	regulator-always-on;
+	regulator-min-microvolt = <900000>;
+	regulator-max-microvolt = <900000>;
+	regulator-name = "vdd-cpus";
+};
+
+/* reg_drivevbus unused */
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a133-helperboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a133-helperboard.dts
new file mode 100644
index 000000000000..694c0cacf906
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a133-helperboard.dts
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2025 Arm Ltd.
+ * Copyright (c) 2026 Alexander Sverdlin <alexander.sverdlin@gmail.com>
+ */
+
+/dts-v1/;
+
+#include "sun50i-a133-helperboard-core.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/leds/common.h>
+
+/{
+	model = "Baijie HelperBoard A133";
+	compatible = "baijie,helperboard-a133",
+		     "baijie,helperboard-a133-core",
+		     "allwinner,sun50i-a100";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led {
+			function = LED_FUNCTION_INDICATOR;
+			color = <LED_COLOR_ID_GREEN>;
+			gpios = <&pio 7 13 GPIO_ACTIVE_LOW>;	/* PH13 */
+		};
+	};
+
+	reg_vdd5v: vdd5v {
+		/* board wide 5V supply from a 12V->5V regulator */
+		compatible = "regulator-fixed";
+		regulator-name = "vdd-5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&emac0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii0_pins>;
+	phy-handle = <&rgmii_phy>;
+	phy-mode = "rgmii-id";
+	allwinner,rx-delay-ps = <200>;
+	allwinner,tx-delay-ps = <200>;
+	status = "okay";
+};
+
+&lradc {
+	wakeup-source;
+	status = "okay";
+
+	button-115 {
+		label = "K1";
+		linux,code = <KEY_1>;
+		channel = <0>;
+		voltage = <114607>;
+	};
+
+	button-235 {
+		label = "K2";
+		linux,code = <KEY_2>;
+		channel = <0>;
+		voltage = <234783>;
+	};
+
+	button-360 {
+		label = "K3";
+		linux,code = <KEY_3>;
+		channel = <0>;
+		voltage = <360000>;
+	};
+
+	button-476 {
+		label = "K4";
+		linux,code = <KEY_4>;
+		channel = <0>;
+		voltage = <476471>;
+	};
+
+	button-592 {
+		label = "K5";
+		linux,code = <KEY_5>;
+		channel = <0>;
+		voltage = <591946>;
+	};
+};
+
+&mdio0 {
+	reset-gpios = <&pio 7 11 GPIO_ACTIVE_LOW>;	/* PH11 */
+	reset-delay-us = <10000>;
+	reset-post-delay-us = <150000>;
+
+	rgmii_phy: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+	};
+};
+
+&mmc0 {
+	vmmc-supply = <&reg_dcdc1>;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;	/* PF6 */
+	bus-width = <4>;
+	disable-wp;
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&rgmii0_pins {
+	drive-strength = <30>;
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pb_pins>;
+	status = "okay";
+};
+
+&usb_otg {
+	/*
+	 * Connected to a downstream port of an onboard hub, therefore only
+	 * "peripheral" mode will work here.
+	 */
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
+&usbphy {
+	usb1_vbus-supply = <&reg_vdd5v>;
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index 4bc6c1ef2cde..f958bdbb0d33 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -230,8 +230,8 @@
 		interrupts = <7 5 IRQ_TYPE_EDGE_RISING>; /* PH5 */
 		vdd-supply = <&reg_dldo1>;
 		vddio-supply = <&reg_dldo1>;
-		mount-matrix = "0", "1", "0",
-			       "-1", "0", "0",
+		mount-matrix = "0", "-1", "0",
+			       "1", "0", "0",
 			       "0", "0", "1";
 	};
 };
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
index 6d78a1c98f10..3b9ded8375dc 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
@@ -49,7 +49,7 @@
 	};
 };
 
-&spi0  {
+&spi0 {
 	status = "okay";
 
 	flash@0 {
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-libretech-all-h5-cc.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-libretech-all-h5-cc.dts
index 6e30a564c87f..5627d2828fc9 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-libretech-all-h5-cc.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-libretech-all-h5-cc.dts
@@ -48,7 +48,7 @@
 	};
 };
 
-&spi0  {
+&spi0 {
 	status = "okay";
 
 	flash@0 {
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
index 0f29da7d51e6..6e57ee19e799 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
@@ -191,7 +191,7 @@
 	};
 };
 
-&spi0  {
+&spi0 {
 	status = "okay";
 
 	flash@0 {
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts
index 3322cc4d9aa4..f9fbaf6df237 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts
@@ -103,7 +103,7 @@
 	};
 };
 
-&spi0  {
+&spi0 {
 	status = "okay";
 
 	flash@0 {
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
index a8644fb52b04..0d3e761f6466 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
@@ -99,7 +99,7 @@
 	status = "okay";
 };
 
-&spi0  {
+&spi0 {
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero2w.dts b/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero2w.dts
index b340bbcb710d..ff9b40352a54 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero2w.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero2w.dts
@@ -149,7 +149,7 @@
 	};
 };
 
-&spi0  {
+&spi0 {
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
index ca6a16807049..85ef492ffeae 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
@@ -156,6 +156,13 @@
 			};
 
 			/omit-if-no-ref/
+			ir_rx_pin: ir-rx-pi-pin {
+				pins = "PI8";
+				allwinner,pinmux = <3>;
+				function = "cir_rx";
+			};
+
+			/omit-if-no-ref/
 			ledc_ph_pin: ledc-ph-pin {
 				pins = "PH19";
 				function = "ledc";
@@ -217,6 +224,13 @@
 			};
 
 			/omit-if-no-ref/
+			spdif_out_ph_pin: spdif-ph-pin {
+				pins = "PH7";
+				function = "spdif";
+				allwinner,pinmux = <4>;
+			};
+
+			/omit-if-no-ref/
 			spdif_out_pi_pin: spdif-pi-pin {
 				pins = "PI10";
 				function = "spdif";
@@ -327,6 +341,17 @@
 			#reset-cells = <1>;
 		};
 
+		ir: ir@2005000 {
+			compatible = "allwinner,sun55i-a523-ir",
+				     "allwinner,sun6i-a31-ir";
+			reg = <0x02005000 0x400>;
+			interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_IR_RX>, <&ccu CLK_IR_RX>;
+			clock-names = "apb", "ir";
+			resets = <&ccu RST_BUS_IR_RX>;
+			status = "disabled";
+		};
+
 		ledc: led-controller@2008000 {
 			compatible = "allwinner,sun55i-a523-ledc",
 				     "allwinner,sun50i-a100-ledc";
@@ -927,6 +952,24 @@
 				allwinner,pinmux = <2>;
 				function = "r_i2c0";
 			};
+
+			/omit-if-no-ref/
+			r_ir_rx_pin: r-ir-rx-pl-pin {
+				pins = "PL11";
+				allwinner,pinmux = <2>;
+				function = "s_cir_rx";
+			};
+		};
+
+		r_ir: ir@7040000 {
+			compatible = "allwinner,sun55i-a523-ir",
+				     "allwinner,sun6i-a31-ir";
+			reg = <0x07040000 0x400>;
+			interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&r_ccu CLK_BUS_R_IR_RX>, <&r_ccu CLK_R_IR_RX>;
+			clock-names = "apb", "ir";
+			resets = <&r_ccu RST_BUS_R_IR_RX>;
+			status = "disabled";
 		};
 
 		pck600: power-controller@7060000 {
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts b/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts
index a96927fbdadd..eb9fd0a65b41 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts
@@ -44,6 +44,24 @@
 		vin-supply = <&reg_vcc5v>;
 		regulator-always-on;
 	};
+
+	sound-spdif {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "spdif-out";
+
+		simple-audio-card,cpu {
+			sound-dai = <&spdif>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&spdif_out>;
+		};
+	};
+
+	spdif_out: spdif-out {
+		compatible = "linux,spdif-dit";
+		#sound-dai-cells = <0>;
+	};
 };
 
 &ehci0 {
@@ -266,6 +284,12 @@
 	};
 };
 
+&r_ir {
+	pinctrl-names = "default";
+	pinctrl-0 = <&r_ir_rx_pin>;
+	status = "okay";
+};
+
 &r_pio {
 /*
  * Specifying the supply would create a circular dependency.
@@ -275,6 +299,12 @@
 	vcc-pm-supply = <&reg_aldo3>;
 };
 
+&spdif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spdif_out_ph_pin>;
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
index 474354fbfcec..85247186461d 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
@@ -100,6 +100,12 @@
 	status = "okay";
 };
 
+&ir {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ir_rx_pin>;
+	status = "okay";
+};
+
 &ledc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&ledc_ph_pin>;
@@ -403,7 +409,7 @@
 	assigned-clock-rates = <32768>;
 };
 
-&spi0  {
+&spi0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&spi0_pj_pins>, <&spi0_cs0_pj_pin>,
 		    <&spi0_hold_pj_pin>, <&spi0_wp_pj_pin>;
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
index 055be86e5fae..26ce579b42bf 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts
@@ -400,7 +400,7 @@
 	assigned-clock-rates = <32768>;
 };
 
-&spi0  {
+&spi0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&spi0_pc_pins>, <&spi0_cs0_pc_pin>;
 	status = "okay";
diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
index a810ad3eb2a2..13b1e5716604 100644
--- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
+++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
@@ -191,6 +191,12 @@
 				pins = "PB6", "PB7";
 				function = "uart3";
 			};
+
+			/omit-if-no-ref/
+			uart4_pb_pins: uart4-pb-pins {
+				pins = "PB2", "PB3";
+				function = "uart4";
+			};
 		};
 
 		ccu: clock-controller@2001000 {