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Sun, 15 Feb 2026 17:02:41 -0800 (PST) From: Fabio Estevam To: heiko@sntech.de Cc: jonas@kwiboo.se, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Fabio Estevam Subject: [PATCH v5 4/4] ARM: dts: rockchip: Add Onion Omega4 Evaluation Board Date: Sun, 15 Feb 2026 22:02:19 -0300 Message-Id: <20260216010219.2131484-4-festevam@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260216010219.2131484-1-festevam@gmail.com> References: <20260216010219.2131484-1-festevam@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Fabio Estevam The Onion Omega4 Evaluation Board is based on the RV1103B SoC and has: - 256 MB of RAM - 256 MB of SPI-NAND - Ethernet - USB OTG - Wifi - SD card - Camera connector The details can be found at: https://documentation.onioniot.com/omega4/getting-started/ Add the initial support for this board so that it can fully boot into Linux with the root file system stored in the SPI NAND. Signed-off-by: Fabio Estevam --- Changes since v4: - Use compatible = "onion,omega4-evb", "onion,omega4", "rockchip,rv1103b"; arch/arm/boot/dts/rockchip/Makefile | 1 + .../boot/dts/rockchip/rv1103b-omega4-evb.dts | 55 ++++++++++++++++ .../arm/boot/dts/rockchip/rv1103b-omega4.dtsi | 65 +++++++++++++++++++ 3 files changed, 121 insertions(+) create mode 100644 arch/arm/boot/dts/rockchip/rv1103b-omega4-evb.dts create mode 100644 arch/arm/boot/dts/rockchip/rv1103b-omega4.dtsi diff --git a/arch/arm/boot/dts/rockchip/Makefile b/arch/arm/boot/dts/rockchip/Makefile index 716f5540e438..d0154fd7ff24 100644 --- a/arch/arm/boot/dts/rockchip/Makefile +++ b/arch/arm/boot/dts/rockchip/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 dtb-$(CONFIG_ARCH_ROCKCHIP) += \ + rv1103b-omega4-evb.dtb \ rv1108-elgin-r1.dtb \ rv1108-evb.dtb \ rv1109-relfor-saib.dtb \ diff --git a/arch/arm/boot/dts/rockchip/rv1103b-omega4-evb.dts b/arch/arm/boot/dts/rockchip/rv1103b-omega4-evb.dts new file mode 100644 index 000000000000..3016492e15d3 --- /dev/null +++ b/arch/arm/boot/dts/rockchip/rv1103b-omega4-evb.dts @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2022 Rockchip Electronics Co., Ltd. + * Copyright (c) 2025 plan44.ch/luz + * Copyright (c) 2025 Onion Corporation + */ + +/dts-v1/; + +#include +#include +#include "rv1103b-omega4.dtsi" + +/ { + model = "Onion Omega4 Evaluation Board"; + compatible = "onion,omega4-evb", "onion,omega4", "rockchip,rv1103b"; + + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + leds { + compatible = "gpio-leds"; + + led-0 { + pinctrl-names = "default"; + pinctrl-0 = <&led>; + gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>; + function = LED_FUNCTION_STATUS; + color = ; + label = "sys"; + default-state = "on"; + }; + }; +}; + +&fspi0 { + status = "okay"; +}; + +&uart0 { + status = "okay"; +}; + +&pinctrl { + leds { + led: led { + rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; +}; diff --git a/arch/arm/boot/dts/rockchip/rv1103b-omega4.dtsi b/arch/arm/boot/dts/rockchip/rv1103b-omega4.dtsi new file mode 100644 index 000000000000..58aebffda9cd --- /dev/null +++ b/arch/arm/boot/dts/rockchip/rv1103b-omega4.dtsi @@ -0,0 +1,65 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2022 Rockchip Electronics Co., Ltd. + * Copyright (c) 2025 plan44.ch/luz + * Copyright (c) 2025 Onion Corporation + */ + +/dts-v1/; + +#include "rv1103b.dtsi" + +&uart0 { + bootph-all; + pinctrl-names = "default"; + pinctrl-0 = <&uart0m0_xfer>; +}; + +&fspi0 { + spi_nand: flash@0 { + compatible = "spi-nand"; + reg = <0>; + bootph-pre-ram; + bootph-some-ram; + spi-max-frequency = <75000000>; + spi-rx-bus-width = <4>; + spi-tx-bus-width = <1>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "env"; + reg = <0x00000000 0x00040000>; + }; + + partition@40000 { + label = "idblock"; + reg = <0x00040000 0x00100000>; + read-only; + }; + + partition@140000 { + label = "uboot"; + reg = <0x00140000 0x00100000>; + read-only; + }; + + partition@240000 { + label = "boot"; + reg = <0x00240000 0x00800000>; + }; + + partition@a40000 { + label = "ubi"; + reg = <0x00a40000 0x0f5c0000>; + }; + }; + }; +}; + +&wdt { + status = "okay"; +}; -- 2.34.1