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Tue, 14 Jul 2026 12:37:19 -0700 (PDT) Received: from chromium.org ([174.51.25.52]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7ebcaf742e1sm16004026a34.8.2026.07.14.12.37.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jul 2026 12:37:18 -0700 (PDT) From: Simon Glass To: Heiko Stuebner Cc: Fabio Estevam , devicetree@vger.kernel.org, Jonas Karlman , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Simon Glass , Albert Aribaud , Conor Dooley , Jeffy Chen , Krzysztof Kozlowski , Rob Herring , huang lin , linux-kernel@vger.kernel.org Subject: [PATCH v2 6/6] ARM: dts: rockchip: Add Luckfox Pico Mini B Date: Tue, 14 Jul 2026 13:36:43 -0600 Message-ID: <20260714193656.2196447-7-sjg@chromium.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260714193656.2196447-1-sjg@chromium.org> References: <20260714193656.2196447-1-sjg@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add the devicetree for the Luckfox Pico Mini B, a small board using the Rockchip RV1103 with 64MB of in-package DDR2, a 128MB Winbond SPI NAND and a microSD slot. The console is on UART2. Signed-off-by: Simon Glass --- (no changes since v1) arch/arm/boot/dts/rockchip/Makefile | 1 + .../rockchip/rv1103-luckfox-pico-mini-b.dts | 93 +++++++++++++++++++ 2 files changed, 94 insertions(+) create mode 100644 arch/arm/boot/dts/rockchip/rv1103-luckfox-pico-mini-b.dts diff --git a/arch/arm/boot/dts/rockchip/Makefile b/arch/arm/boot/dts/rockchip/Makefile index d0154fd7ff24..62a2ed96dd9b 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) += \ + rv1103-luckfox-pico-mini-b.dtb \ rv1103b-omega4-evb.dtb \ rv1108-elgin-r1.dtb \ rv1108-evb.dtb \ diff --git a/arch/arm/boot/dts/rockchip/rv1103-luckfox-pico-mini-b.dts b/arch/arm/boot/dts/rockchip/rv1103-luckfox-pico-mini-b.dts new file mode 100644 index 000000000000..287dbf1307e8 --- /dev/null +++ b/arch/arm/boot/dts/rockchip/rv1103-luckfox-pico-mini-b.dts @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2023 Luckfox Electronics Co., Ltd + */ + +/dts-v1/; + +#include "rv1103.dtsi" + +/ { + model = "Luckfox Pico Mini B"; + compatible = "luckfox,pico-mini-b", "rockchip,rv1103"; + + aliases { + mmc0 = &sdmmc; + serial2 = &uart2; + }; + + chosen { + stdout-path = "serial2:115200n8"; + }; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x04000000>; + }; +}; + +&sdmmc { + bus-width = <4>; + cap-sd-highspeed; + disable-wp; + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc0_clk &sdmmc0_cmd &sdmmc0_det &sdmmc0_bus4>; + status = "okay"; +}; + +&sfc { + pinctrl-names = "default"; + pinctrl-0 = <&fspi_pins &fspi_cs0>; + status = "okay"; + + spi_nand: flash@0 { + compatible = "spi-nand"; + reg = <0>; + 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 0x075c0000>; + }; + }; + }; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2m1_xfer>; + status = "okay"; +}; + +&wdt { + status = "okay"; +}; -- 2.43.0