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Sun, 03 May 2026 12:18:54 -0700 (PDT) From: Alexander Sverdlin To: linux-sunxi@lists.linux.dev Cc: Alexander Sverdlin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Andre Przywara , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] arm64: dts: allwinner: A133: add support for Baijie Helper A133 board Date: Sun, 3 May 2026 21:18:38 +0200 Message-ID: <20260503191842.2736130-4-alexander.sverdlin@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260503191842.2736130-1-alexander.sverdlin@gmail.com> References: <20260503191842.2736130-1-alexander.sverdlin@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Baijie Helper A133 board is a development board around Baijie A133 Core SBC. Features: - 1/2/4GiB LPDDR4 DRAM - 8/16/32GiB eMMC - AXP707 PMIC - 2 USB 2.0 ports - MicroSD slot and on-board eMMC module - Gigabit Ethernet - Bluetooth - WiFi Add initial support for both the Helper and Core boards, including UART, PMU, eMMC, USB, Ethernet. Signed-off-by: Alexander Sverdlin --- arch/arm64/boot/dts/allwinner/Makefile | 1 + .../dts/allwinner/sun50i-a133-baije-core.dtsi | 159 ++++++++++++++++++ .../allwinner/sun50i-a133-baijie-helper.dts | 92 ++++++++++ 3 files changed, 252 insertions(+) create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a133-baije-core.dtsi create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a133-baijie-helper.dts diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile index d116864b6c2b..926dfa851100 100644 --- a/arch/arm64/boot/dts/allwinner/Makefile +++ b/arch/arm64/boot/dts/allwinner/Makefile @@ -18,6 +18,7 @@ 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-$(CONFIG_ARCH_SUNXI) += sun50i-a133-baijie-helper.dtb dtb-$(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-a133-baije-core.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a133-baije-core.dtsi new file mode 100644 index 000000000000..78da3baa65bb --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-a133-baije-core.dtsi @@ -0,0 +1,159 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2025 Arm Ltd. + */ + +/dts-v1/; + +#include "sun50i-a100.dtsi" +#include "sun50i-a100-cpu-opp.dtsi" + +/{ + aliases { + serial1 = &uart1; /* BT module */ + }; +}; + +&cpu0 { + cpu-supply = <®_dcdc2>; +}; + +&pio { + vcc-pb-supply = <®_dcdc1>; + vcc-pc-supply = <®_eldo1>; + vcc-pd-supply = <®_dcdc1>; + vcc-pe-supply = <®_dldo2>; + vcc-pf-supply = <®_dcdc1>; + vcc-pg-supply = <®_dldo1>; + vcc-ph-supply = <®_dcdc1>; +}; + +&mmc2 { + vmmc-supply = <®_dcdc1>; + vqmmc-supply = <®_eldo1>; + cap-mmc-hw-reset; + non-removable; + bus-width = <8>; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + status = "okay"; +}; + +&r_i2c0 { + status = "okay"; + + axp803: pmic@34 { + compatible = "x-powers,axp803"; + reg = <0x34>; + interrupt-parent = <&r_intc>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + }; +}; + +#include "axp803.dtsi" + +&ac_power_supply { + status = "okay"; +}; + +®_aldo1 { + regulator-always-on; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3300000>; +}; + +®_aldo2 { + regulator-always-on; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3300000>; +}; + +®_aldo3 { + regulator-always-on; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <1000>; +}; + +®_dcdc1 { + regulator-always-on; + regulator-min-microvolt = <1600000>; + regulator-max-microvolt = <3400000>; + regulator-name = "vcc-3v3"; +}; + +®_dcdc2 { + regulator-always-on; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1300000>; + regulator-name = "vdd-cpu"; +}; + +®_dcdc3 { + regulator-always-on; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1300000>; +}; + +®_dcdc4 { + regulator-always-on; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1300000>; + regulator-name = "vdd-sys"; +}; + +®_dcdc5 { + regulator-always-on; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1840000>; + regulator-name = "vcc-dram"; +}; + +/* DCDC6 unused */ + +®_dldo1 { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <1000>; +}; + +®_dldo2 { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3400000>; + regulator-enable-ramp-delay = <1000>; +}; + +®_dldo3 { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <1000>; + regulator-name = "avdd-csi"; +}; + +®_dldo4 { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <1000>; +}; + +®_eldo1 { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1900000>; + regulator-enable-ramp-delay = <1000>; +}; + +®_eldo2 { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1900000>; + regulator-enable-ramp-delay = <1000>; + regulator-name = "dvdd-csi"; +}; + +/* ELDO3 unused */ + +®_fldo1 { + regulator-always-on; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1450000>; + regulator-name = "vdd-cpus-usb"; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a133-baijie-helper.dts b/arch/arm64/boot/dts/allwinner/sun50i-a133-baijie-helper.dts new file mode 100644 index 000000000000..d48b47ef2ed0 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-a133-baijie-helper.dts @@ -0,0 +1,92 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2025 Arm Ltd. + */ + +/dts-v1/; + +#include "sun50i-a133-baije-core.dtsi" + +#include +#include + +/{ + model = "HelperBoard A133"; + compatible = "baijie,helper-a133", "allwinner,sun50i-a100"; + + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + leds { + compatible = "gpio-leds"; + + led { + function = LED_FUNCTION_INDICATOR; + color = ; + gpios = <&pio 7 13 GPIO_ACTIVE_LOW>; /* PH13 */ + }; + }; +}; + +&mmc0 { + vmmc-supply = <®_dcdc1>; + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */ + bus-width = <4>; + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pb_pins>; + status = "okay"; +}; + +&rgmii0_pins { + drive-strength = <30>; +}; + +&emac0 { + pinctrl-names = "default"; + pinctrl-0 = <&rgmii0_pins>; + phy-handle = <ð_phy>; + phy-mode = "rgmii-id"; + allwinner,rx-delay-ps = <200>; + allwinner,tx-delay-ps = <200>; + status = "okay"; +}; + +&mdio0 { + reset-gpios = <&pio 7 11 GPIO_ACTIVE_LOW>; /* PH11 */ + reset-delay-us = <10000>; + reset-post-delay-us = <150000>; + + eth_phy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + }; +}; + +&usbphy { + status = "okay"; +}; + +&ehci0 { + status = "okay"; +}; + +&ohci0 { + status = "okay"; +}; + +&ehci1 { + status = "okay"; +}; + +&ohci1 { + status = "okay"; +}; -- 2.53.0