[PATCH 2/2] arm64: dts: Add Mediatek SoC MT2712 and evaluation board dts and Makefile
YT Shen
yt.shen at mediatek.com
Fri May 19 04:09:46 PDT 2017
This adds basic chip support for Mediatek 2712
Signed-off-by: YT Shen <yt.shen at mediatek.com>
---
arch/arm64/boot/dts/mediatek/Makefile | 1 +
arch/arm64/boot/dts/mediatek/mt2712-evb.dts | 44 +++++++
arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 172 ++++++++++++++++++++++++++++
3 files changed, 217 insertions(+)
create mode 100644 arch/arm64/boot/dts/mediatek/mt2712-evb.dts
create mode 100644 arch/arm64/boot/dts/mediatek/mt2712e.dtsi
diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 9fbfd32..fcc0604 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -1,3 +1,4 @@
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt2712-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt2712-evb.dts b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts
new file mode 100644
index 0000000..40b0c91
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2017 MediaTek Inc.
+ * Author: YT Shen <yt.shen 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 "mt2712e.dtsi"
+
+/ {
+ model = "MediaTek MT2712 evaluation board";
+ compatible = "mediatek,mt2712-evb", "mediatek,mt2712";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ serial2 = &uart2;
+ serial3 = &uart3;
+ serial4 = &uart4;
+ serial5 = &uart5;
+ };
+
+ memory at 40000000 {
+ device_type = "memory";
+ reg = <0 0x40000000 0 0x80000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,921600n1 initrd=0x45000000,90M";
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
new file mode 100644
index 0000000..40747a9
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2017 MediaTek Inc.
+ * Author: YT Shen <yt.shen 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,mt2712";
+ 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>;
+ };
+ };
+ };
+
+ cpu0: cpu at 0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x000>;
+ };
+
+ cpu1: cpu at 1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x001>;
+ enable-method = "psci";
+ };
+
+ cpu2: cpu at 200 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a72";
+ reg = <0x200>;
+ enable-method = "psci";
+ };
+ };
+
+ psci {
+ compatible = "arm,psci-0.2";
+ method = "smc";
+ };
+
+ 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(6) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14
+ (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11
+ (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10
+ (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "simple-bus";
+ ranges;
+
+ uart5: serial at 1000f000 {
+ compatible = "mediatek,mt2712-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x1000f000 0 0x400>;
+ interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ sysirq: intpol-controller at 10220a80 {
+ compatible = "mediatek,mt2712-sysirq",
+ "mediatek,mt6577-sysirq";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0 0x10220a80 0 0x40>;
+ };
+
+ gic: interrupt-controller at 10510000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ interrupt-controller;
+ reg = <0 0x10510000 0 0x1000>,
+ <0 0x10520000 0 0x1000>,
+ <0 0x10540000 0 0x2000>,
+ <0 0x10560000 0 0x2000>;
+ interrupts = <GIC_PPI 9
+ (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ uart0: serial at 11002000 {
+ compatible = "mediatek,mt2712-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11002000 0 0x400>;
+ interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart1: serial at 11003000 {
+ compatible = "mediatek,mt2712-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11003000 0 0x400>;
+ interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart2: serial at 11004000 {
+ compatible = "mediatek,mt2712-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11004000 0 0x400>;
+ interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart3: serial at 11005000 {
+ compatible = "mediatek,mt2712-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11005000 0 0x400>;
+ interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+
+ uart4: serial at 11019000 {
+ compatible = "mediatek,mt2712-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11019000 0 0x400>;
+ interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&uart_clk>;
+ status = "disabled";
+ };
+ };
+};
+
--
1.9.1
More information about the linux-arm-kernel
mailing list