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Message-Id: <20240401-basic_dt-v3-5-cb29ae1c16da@amlogic.com>
Date: Mon, 01 Apr 2024 18:10:53 +0800
From: Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com@...nel.org>
To: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Neil Armstrong <neil.armstrong@...aro.org>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Jerome Brunet <jbrunet@...libre.com>, Kevin Hilman <khilman@...libre.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org,
linux-serial@...r.kernel.org, Xianwei Zhao <xianwei.zhao@...ogic.com>
Subject: [PATCH v3 5/5] arm64: dts: add support for A5 based Amlogic AV400
From: Xianwei Zhao <xianwei.zhao@...ogic.com>
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@...ogic.com>
---
arch/arm64/boot/dts/amlogic/Makefile | 1 +
.../boot/dts/amlogic/amlogic-a5-a113x2-av400.dts | 42 ++++++++++++++++++++++
arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi | 40 +++++++++++++++++++++
3 files changed, 83 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index 9a50ec11bb8d..154c9efb26e4 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -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
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a5-a113x2-av400.dts b/arch/arm64/boot/dts/amlogic/amlogic-a5-a113x2-av400.dts
new file mode 100644
index 000000000000..11d8b88c1ce5
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a5-a113x2-av400.dts
@@ -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@...0000 {
+ compatible = "shared-dma-pool";
+ reg = <0x0 0x05000000 0x0 0xa00000>;
+ no-map;
+ };
+ };
+};
+
+&uart_b {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi
new file mode 100644
index 000000000000..43f68a7da2f7
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a5.dtsi
@@ -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";
+ };
+ };
+};
--
2.37.1
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