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riscv: dts: thead: add BeagleV Ahead board device tree

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The BeagleV Ahead single board computer uses the T-Head TH1520 SoC.
Add a minimal device tree to support basic uart/gpio/dmac drivers so
that a user can boot to a basic shell.

Link: https://beagleboard.org/beaglev-ahead
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Drew Fustini <dfustini@baylibre.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
This commit is contained in:
Drew Fustini 2023-08-11 17:47:17 -07:00 committed by Conor Dooley
parent d19c10d5b9
commit 31ceedee8a
2 changed files with 62 additions and 1 deletions
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2
arch/riscv/boot/dts/thead/Makefile
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@ -1,2 +1,2 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_THEAD) += th1520-lichee-pi-4a.dtb
dtb-$(CONFIG_ARCH_THEAD) += th1520-lichee-pi-4a.dtb th1520-beaglev-ahead.dtb

61
arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts Normal file
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@ -0,0 +1,61 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
* Copyright (C) 2023 Drew Fustini <dfustini@baylibre.com>
*/
/dts-v1/;
#include "th1520.dtsi"
/ {
model = "BeagleV Ahead";
compatible = "beagle,beaglev-ahead", "thead,th1520";
aliases {
gpio0 = &gpio0;
gpio1 = &gpio1;
gpio2 = &gpio2;
gpio3 = &gpio3;
serial0 = &uart0;
serial1 = &uart1;
serial2 = &uart2;
serial3 = &uart3;
serial4 = &uart4;
serial5 = &uart5;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory@0 {
device_type = "memory";
reg = <0x0 0x00000000 0x1 0x00000000>;
};
};
&osc {
clock-frequency = <24000000>;
};
&osc_32k {
clock-frequency = <32768>;
};
&apb_clk {
clock-frequency = <62500000>;
};
&uart_sclk {
clock-frequency = <100000000>;
};
&dmac0 {
status = "okay";
};
&uart0 {
status = "okay";
};