Add devicetree support for Sophon Edge board from Bitmain based on BM1880 SoC. This board is one of the 96Boards Consumer and AI platform. More information about this board can be found in 96Boards product page: https://www.96boards.org/documentation/consumer/sophon-edge/ Only UART peripheral support is enabled for now. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> --- arch/arm64/boot/dts/bitmain/Makefile | 3 ++ .../boot/dts/bitmain/bm1880-sophon-edge.dts | 50 +++++++++++++++++++ 2 files changed, 53 insertions(+) create mode 100644 arch/arm64/boot/dts/bitmain/Makefile create mode 100644 arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts diff --git a/arch/arm64/boot/dts/bitmain/Makefile b/arch/arm64/boot/dts/bitmain/Makefile new file mode 100644 index 000000000000..be90a6071be0 --- /dev/null +++ b/arch/arm64/boot/dts/bitmain/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0+ + +dtb-$(CONFIG_ARCH_BITMAIN) += bm1880-sophon-edge.dtb diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts new file mode 100644 index 000000000000..6a3255597138 --- /dev/null +++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2019 Linaro Ltd. + * Author: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> + */ + +/dts-v1/; + +#include "bm1880.dtsi" + +/ { + compatible = "bitmain,sophon-edge", "bitmain,bm1880"; + model = "Sophon Edge"; + + aliases { + serial0 = &uart0; + serial1 = &uart2; + serial2 = &uart1; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@0 { + device_type = "memory"; + reg = <0x1 0x00000000 0x0 0x40000000>; // 1GB + }; + + uart_clk: uart-clk { + compatible = "fixed-clock"; + clock-frequency = <500000000>; + #clock-cells = <0>; + }; +}; + +&uart0 { + status = "okay"; + clocks = <&uart_clk>; +}; + +&uart1 { + status = "okay"; + clocks = <&uart_clk>; +}; + +&uart2 { + status = "okay"; + clocks = <&uart_clk>; +}; -- 2.17.1
