From: Jianxin Pan <jianxin.pan@amlogic.com>
To: Kevin Hilman <khilman@baylibre.com>, <linux-amlogic@lists.infradead.org>
Cc: devicetree@vger.kernel.org, Hanjie Lin <hanjie.lin@amlogic.com>,
Victor Wan <victor.wan@amlogic.com>,
Jianxin Pan <jianxin.pan@amlogic.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
linux-kernel@vger.kernel.org,
Qiufang Dai <qiufang.dai@amlogic.com>,
Rob Herring <robh+dt@kernel.org>, Jian Hu <jian.hu@amlogic.com>,
Xingyu Chen <xingyu.chen@amlogic.com>,
Carlo Caione <carlo@caione.org>, Tao Zeng <tao.zeng@amlogic.com>,
linux-arm-kernel@lists.infradead.org,
Jerome Brunet <jbrunet@baylibre.com>
Subject: [PATCH v4 4/4] arm64: dts: add support for A1 based Amlogic AD401
Date: Thu, 12 Sep 2019 04:19:30 -0400 [thread overview]
Message-ID: <1568276370-54181-5-git-send-email-jianxin.pan@amlogic.com> (raw)
In-Reply-To: <1568276370-54181-1-git-send-email-jianxin.pan@amlogic.com>
Add basic support for the Amlogic A1 based Amlogic AD401 board:
which describe components as follows: Reserve Memory, CPU, GIC, IRQ,
Timer, UART. It's capable of booting up into the serial console.
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
---
arch/arm64/boot/dts/amlogic/Makefile | 1 +
arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts | 30 ++++++
arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 130 +++++++++++++++++++++++++
3 files changed, 161 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts
create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1.dtsi
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index 84afecb..a90be52 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -36,3 +36,4 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts
new file mode 100644
index 00000000..69c25c6
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-a1-ad401.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "meson-a1.dtsi"
+
+/ {
+ compatible = "amlogic,ad401", "amlogic,a1";
+ model = "Amlogic Meson A1 AD401 Development Board";
+
+ aliases {
+ serial0 = &uart_AO_B;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x8000000>;
+ };
+};
+
+&uart_AO_B {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
new file mode 100644
index 00000000..7210ad0
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "amlogic,a1";
+
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus {
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x0 0x0>;
+ enable-method = "psci";
+ next-level-cache = <&l2>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x0 0x1>;
+ enable-method = "psci";
+ next-level-cache = <&l2>;
+ };
+
+ l2: l2-cache0 {
+ compatible = "cache";
+ };
+ };
+
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x0 0x800000>;
+ alignment = <0x0 0x400000>;
+ linux,cma-default;
+ };
+ };
+
+ sm: secure-monitor {
+ compatible = "amlogic,meson-gxbb-sm";
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ apb: bus@fe000000 {
+ compatible = "simple-bus";
+ reg = <0x0 0xfe000000 0x0 0x1000000>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x1000000>;
+
+ uart_AO: serial@1c00 {
+ compatible = "amlogic,meson-gx-uart",
+ "amlogic,meson-ao-uart";
+ reg = <0x0 0x1c00 0x0 0x18>;
+ interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;
+ clocks = <&xtal>, <&xtal>, <&xtal>;
+ clock-names = "xtal", "pclk", "baud";
+ status = "disabled";
+ };
+
+ uart_AO_B: serial@2000 {
+ compatible = "amlogic,meson-gx-uart",
+ "amlogic,meson-ao-uart";
+ reg = <0x0 0x2000 0x0 0x18>;
+ interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
+ clocks = <&xtal>, <&xtal>, <&xtal>;
+ clock-names = "xtal", "pclk", "baud";
+ status = "disabled";
+ };
+ };
+
+ gic: interrupt-controller@ff901000 {
+ compatible = "arm,gic-400";
+ reg = <0x0 0xff901000 0x0 0x1000>,
+ <0x0 0xff902000 0x0 0x2000>,
+ <0x0 0xff904000 0x0 0x2000>,
+ <0x0 0xff906000 0x0 0x2000>;
+ interrupt-controller;
+ interrupts = <GIC_PPI 9
+ (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ };
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13
+ (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14
+ (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11
+ (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10
+ (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ xtal: xtal-clk {
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ clock-output-names = "xtal";
+ #clock-cells = <0>;
+ };
+};
--
2.7.4
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next prev parent reply other threads:[~2019-09-12 8:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-12 8:19 [PATCH v4 0/4] arm64: Add basic support for Amlogic A1 SoC Family Jianxin Pan
2019-09-12 8:19 ` [PATCH v4 1/4] soc: amlogic: meson-gx-socinfo: Add A1 and A113L IDs Jianxin Pan
2019-09-12 8:19 ` [PATCH v4 2/4] dt-bindings: arm: amlogic: add A1 bindings Jianxin Pan
2019-09-12 8:19 ` [PATCH v4 3/4] dt-bindings: arm: amlogic: add Amlogic AD401 bindings Jianxin Pan
2019-09-12 8:19 ` Jianxin Pan [this message]
2019-09-14 17:28 ` [PATCH v4 0/4] arm64: Add basic support for Amlogic A1 SoC Family Martin Blumenstingl
2019-09-24 19:07 ` Kevin Hilman
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