From: Manivannan Sadhasivam Date: Fri, 25 Jan 2019 16:42:49 +0000 (+0530) Subject: arm64: dts: bitmain: Add Sophon Egde board support X-Git-Tag: v5.15~6894^2~1^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3bba4e2fdc2d6865b63d5e9dde2984033236420e;p=platform%2Fkernel%2Flinux-starfive.git arm64: dts: bitmain: Add Sophon Egde board support 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 Acked-by: Arnd Bergmann --- diff --git a/arch/arm64/boot/dts/bitmain/Makefile b/arch/arm64/boot/dts/bitmain/Makefile new file mode 100644 index 0000000..be90a60 --- /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 0000000..6a32555 --- /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 + */ + +/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>; +};