[PATCH v4 3/4] arm64: dts: Add mediatek MT8173 SoC and evaluation board dts and Makefile
Eddie Huang
eddie.huang at mediatek.com
Mon Jan 12 01:14:32 PST 2015
Add device tree support for MT8173 SoC and evaluation board based on it.
Signed-off-by: Eddie Huang <eddie.huang at mediatek.com>
---
arch/arm64/boot/dts/Makefile | 1 +
arch/arm64/boot/dts/mediatek/Makefile | 5 +
arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 38 +++++++
arch/arm64/boot/dts/mediatek/mt8173.dtsi | 168 ++++++++++++++++++++++++++++
4 files changed, 212 insertions(+)
create mode 100644 arch/arm64/boot/dts/mediatek/Makefile
create mode 100644 arch/arm64/boot/dts/mediatek/mt8173-evb.dts
create mode 100644 arch/arm64/boot/dts/mediatek/mt8173.dtsi
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 3b8d427..89124e4 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -2,6 +2,7 @@ dts-dirs += amd
dts-dirs += apm
dts-dirs += arm
dts-dirs += cavium
+dts-dirs += mediatek
always := $(dtb-y)
subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
new file mode 100644
index 0000000..3ce2462
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -0,0 +1,5 @@
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
+
+always := $(dtb-y)
+subdir-y := $(dts-dirs)
+clean-files := *.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
new file mode 100644
index 0000000..43d5401
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Eddie Huang <eddie.huang at mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+/dts-v1/;
+#include "mt8173.dtsi"
+
+/ {
+ model = "mediatek,mt8173-evb";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ serial2 = &uart2;
+ serial3 = &uart3;
+ };
+
+ memory at 40000000 {
+ device_type = "memory";
+ reg = <0 0x40000000 0 0x80000000>;
+ };
+
+ chosen { };
+};
+
+&uart0 {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
new file mode 100644
index 0000000..8554ec3
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Eddie Huang <eddie.huang at mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "mediatek,mt8173";
+ interrupt-parent = <&sysirq>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+ core1 {
+ cpu = <&cpu1>;
+ };
+ };
+
+ cluster1 {
+ core0 {
+ cpu = <&cpu2>;
+ };
+ core1 {
+ cpu = <&cpu3>;
+ };
+ };
+ };
+
+ cpu0: cpu at 0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x000>;
+ };
+
+ cpu1: cpu at 1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x001>;
+ enable-method = "psci";
+ };
+
+ cpu2: cpu at 100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57";
+ reg = <0x100>;
+ enable-method = "psci";
+ };
+
+ cpu3: cpu at 101 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57";
+ reg = <0x101>;
+ enable-method = "psci";
+ };
+ };
+
+ psci {
+ compatible = "arm,psci";
+ method = "smc";
+ cpu_suspend = <0x84000001>;
+ cpu_off = <0x84000002>;
+ cpu_on = <0x84000003>;
+ };
+
+ uart_clk: dummy26m {
+ compatible = "fixed-clock";
+ clock-frequency = <26000000>;
+ #clock-cells = <0>;
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 13
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "simple-bus";
+ ranges;
+
+ sysirq: intpol-controller at 10200620 {
+ compatible = "mediatek,mt8173-sysirq",
+ "mediatek,mt6577-sysirq";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0 0x10200620 0 0x20>;
+ };
+
+ gic: interrupt-controller at 10220000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ interrupt-controller;
+ reg = <0 0x10221000 0 0x1000>,
+ <0 0x10222000 0 0x2000>,
+ <0 0x10224000 0 0x2000>,
+ <0 0x10226000 0 0x2000>;
+ interrupts = <GIC_PPI 9
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ uart0: serial at 11002000 {
+ compatible = "mediatek,mt8173-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11002000 0 0x400>;
+ interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart1: serial at 11003000 {
+ compatible = "mediatek,mt8173-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11003000 0 0x400>;
+ interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart2: serial at 11004000 {
+ compatible = "mediatek,mt8173-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11004000 0 0x400>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart3: serial at 11005000 {
+ compatible = "mediatek,mt8173-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11005000 0 0x400>;
+ interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+ };
+
+};
+
--
1.8.1.1.dirty
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