[PATCH v2 2/3] riscv: dts: thead: add BeagleV Ahead board device tree

Drew Fustini
2023-07-24T17:21:04Z

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>
Signed-off-by: Drew Fustini <dfustini@baylibre.com>
---
arch/riscv/boot/dts/thead/Makefile | 2 +-
arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 61 ++++++++++++++++++++++
2 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/thead/Makefile b/arch/riscv/boot/dts/thead/Makefile
index e311fc9a5939..b55a17127c2b 100644
--- a/arch/riscv/boot/dts/thead/Makefile
+++ b/arch/riscv/boot/dts/thead/Makefile
@@ -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
diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
new file mode 100644
index 000000000000..70e8042c8304
--- /dev/null
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -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";
+};

--
2.34.1