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arm64: dts: add support for A5 based Amlogic AV400

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Amlogic A5 is an application processor designed for smart audio
and IoT applications.

Add basic support for the A5 based Amlogic AV400 board, which describes
the following components: CPU, GIC, IRQ, Timer and UART.
These are capable of booting up into the serial console.

Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240401-basic_dt-v3-5-cb29ae1c16da@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Xianwei Zhao
2024-04-01 18:10:53 +08:00
committed by Neil Armstrong
parent 6ef63301fa
commit a654af36fe
3 changed files with 83 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/arm64/boot/dts/amlogic/Makefile
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@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_MESON) += amlogic-a4-a113l2-ba400.dtb
dtb-$(CONFIG_ARCH_MESON) += amlogic-a5-a113x2-av400.dtb
dtb-$(CONFIG_ARCH_MESON) += amlogic-c3-c302x-aw409.dtb
dtb-$(CONFIG_ARCH_MESON) += amlogic-t7-a311d2-an400.dtb
dtb-$(CONFIG_ARCH_MESON) += amlogic-t7-a311d2-khadas-vim4.dtb
arch/arm64/boot/dts/amlogic/amlogic-a5-a113x2-av400.dts
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@@ -0,0 +1,42 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2024 Amlogic, Inc. All rights reserved.
*/
/dts-v1/;
#include "amlogic-a5.dtsi"
/ {
model = "Amlogic A113X2 av400 Development Board";
compatible = "amlogic,av400", "amlogic,a5";
interrupt-parent = <&gic>;
#address-cells = <2>;
#size-cells = <2>;
aliases {
serial0 = &uart_b;
};
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0 0x40000000>;
};
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
/* 10 MiB reserved for ARM Trusted Firmware */
secmon_reserved: secmon@5000000 {
compatible = "shared-dma-pool";
reg = <0x0 0x05000000 0x0 0xa00000>;
no-map;
};
};
};
&uart_b {
status = "okay";
};
arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi
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@@ -0,0 +1,40 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2024 Amlogic, Inc. All rights reserved.
*/
#include "amlogic-a4-common.dtsi"
/ {
cpus {
#address-cells = <2>;
#size-cells = <0>;
cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a55";
reg = <0x0 0x0>;
enable-method = "psci";
};
cpu1: cpu@100 {
device_type = "cpu";
compatible = "arm,cortex-a55";
reg = <0x0 0x100>;
enable-method = "psci";
};
cpu2: cpu@200 {
device_type = "cpu";
compatible = "arm,cortex-a55";
reg = <0x0 0x200>;
enable-method = "psci";
};
cpu3: cpu@300 {
device_type = "cpu";
compatible = "arm,cortex-a55";
reg = <0x0 0x300>;
enable-method = "psci";
};
};
};