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arm64: dts: meson-g12a: add initial g12a s905d2 SoC DT support

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Try to add basic DT support for the Amlogic's Meson-G12A S905D2 SoC,
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>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Jianxin Pan 2018-09-21 16:34:41 +08:00 committed by Kevin Hilman
parent 28c9aa1521
commit 9c8c52f7cb
3 changed files with 202 additions and 0 deletions
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1
arch/arm64/boot/dts/amlogic/Makefile
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@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_MESON) += meson-axg-s400.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12a-u200.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nexbox-a95x.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-odroidc2.dtb

29
arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts Normal file
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@ -0,0 +1,29 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2018 Amlogic, Inc. All rights reserved.
*/
/dts-v1/;
#include "meson-g12a.dtsi"
/ {
compatible = "amlogic,u200", "amlogic,g12a";
model = "Amlogic Meson G12A U200 Development Board";
aliases {
serial0 = &uart_AO;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0 0x40000000>;
};
};
&uart_AO {
status = "okay";
};

172
arch/arm64/boot/dts/amlogic/meson-g12a.dtsi Normal file
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@ -0,0 +1,172 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2018 Amlogic, Inc. All rights reserved.
*/
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
/ {
compatible = "amlogic,g12a";
interrupt-parent = <&gic>;
#address-cells = <2>;
#size-cells = <2>;
cpus {
#address-cells = <0x2>;
#size-cells = <0x0>;
cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x0>;
enable-method = "psci";
next-level-cache = <&l2>;
};
cpu1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x1>;
enable-method = "psci";
next-level-cache = <&l2>;
};
cpu2: cpu@2 {
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x2>;
enable-method = "psci";
next-level-cache = <&l2>;
};
cpu3: cpu@3 {
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x3>;
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;
/* 3 MiB reserved for ARM Trusted Firmware (BL31) */
secmon_reserved: secmon@5000000 {
reg = <0x0 0x05000000 0x0 0x300000>;
no-map;
};
};
soc {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <2>;
ranges;
periphs: periphs@ff634000 {
compatible = "simple-bus";
reg = <0x0 0xff634000 0x0 0x2000>;
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xff634000 0x0 0x2000>;
};
hiubus: bus@ff63c000 {
compatible = "simple-bus";
reg = <0x0 0xff63c000 0x0 0x1c00>;
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xff63c000 0x0 0x1c00>;
};
aobus: bus@ff800000 {
compatible = "simple-bus";
reg = <0x0 0xff800000 0x0 0x100000>;
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xff800000 0x0 0x100000>;
uart_AO: serial@3000 {
compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart";
reg = <0x0 0x3000 0x0 0x18>;
interrupts = <GIC_SPI 193 IRQ_TYPE_EDGE_RISING>;
clocks = <&xtal>, <&xtal>, <&xtal>;
clock-names = "xtal", "pclk", "baud";
status = "disabled";
};
uart_AO_B: serial@4000 {
compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart";
reg = <0x0 0x4000 0x0 0x18>;
interrupts = <GIC_SPI 197 IRQ_TYPE_EDGE_RISING>;
clocks = <&xtal>, <&xtal>, <&xtal>;
clock-names = "xtal", "pclk", "baud";
status = "disabled";
};
};
gic: interrupt-controller@ffc01000 {
compatible = "arm,gic-400";
reg = <0x0 0xffc01000 0 0x1000>,
<0x0 0xffc02000 0 0x2000>,
<0x0 0xffc04000 0 0x2000>,
<0x0 0xffc06000 0 0x2000>;
interrupt-controller;
interrupts = <GIC_PPI 9
(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
#interrupt-cells = <3>;
#address-cells = <0>;
};
cbus: bus@ffd00000 {
compatible = "simple-bus";
reg = <0x0 0xffd00000 0x0 0x25000>;
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xffd00000 0x0 0x25000>;
};
apb: apb@ffe00000 {
compatible = "simple-bus";
reg = <0x0 0xffe00000 0x0 0x200000>;
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xffe00000 0x0 0x200000>;
};
};
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>;
};
};