[PATCH 2/2] ARM: dts: mediatek: add mt6580 basic support

Mars Cheng mars.cheng at mediatek.com
Wed Jun 3 01:18:53 PDT 2015


This enables mt6580 basic support: interrupt, timer & uart.

Signed-off-by: Mars Cheng <mars.cheng at mediatek.com>
---
 arch/arm/boot/dts/Makefile         |   1 +
 arch/arm/boot/dts/mt6580-evbp1.dts |  34 ++++++++++
 arch/arm/boot/dts/mt6580.dtsi      | 130 +++++++++++++++++++++++++++++++++++++
 3 files changed, 165 insertions(+)
 create mode 100644 arch/arm/boot/dts/mt6580-evbp1.dts
 create mode 100644 arch/arm/boot/dts/mt6580.dtsi

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 86217db..9298531 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -656,6 +656,7 @@ dtb-$(CONFIG_MACH_DOVE) += \
 	dove-d3plug.dtb \
 	dove-dove-db.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += \
+	mt6580-evbp1.dtb \
 	mt6589-aquaris5.dtb \
 	mt6592-evb.dtb \
 	mt8127-moose.dtb \
diff --git a/arch/arm/boot/dts/mt6580-evbp1.dts b/arch/arm/boot/dts/mt6580-evbp1.dts
new file mode 100644
index 0000000..fbc0e10
--- /dev/null
+++ b/arch/arm/boot/dts/mt6580-evbp1.dts
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Mars.C <mars.cheng 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 "mt6580.dtsi"
+
+/ {
+	model = "MediaTek MT6580 evaluation board";
+	compatible = "mediatek,mt6580-evbp1", "mediatek,mt6580";
+
+	chosen {
+		bootargs = "console=ttyS0,921600n8 root=/dev/ram initrd=0x88000000,0x400000 earlyprintk";
+	};
+
+	memory {
+		reg = <0x80000000 0x20000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
diff --git a/arch/arm/boot/dts/mt6580.dtsi b/arch/arm/boot/dts/mt6580.dtsi
new file mode 100644
index 0000000..de669e2
--- /dev/null
+++ b/arch/arm/boot/dts/mt6580.dtsi
@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Mars.C <mars.cheng 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.
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include "skeleton.dtsi"
+
+/ {
+	compatible = "mediatek,mt6580";
+	interrupt-parent = <&sysirq>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu at 0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x0>;
+		};
+		cpu at 1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x1>;
+		};
+		cpu at 2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x2>;
+		};
+		cpu at 3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0x3>;
+		};
+
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		ranges;
+
+		system_clk: dummy13m {
+			compatible = "fixed-clock";
+			clock-frequency = <13000000>;
+			#clock-cells = <0>;
+		};
+
+		rtc_clk: dummy32k {
+			compatible = "fixed-clock";
+			clock-frequency = <32000>;
+			#clock-cells = <0>;
+		};
+
+		uart_clk: dummy26m {
+			compatible = "fixed-clock";
+			clock-frequency = <26000000>;
+			#clock-cells = <0>;
+		};
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		ranges;
+
+		timer: timer at 10008000 {
+			compatible = "mediatek,mt6580-timer",
+				     "mediatek,mt6577-timer";
+			reg = <0x10008000 0x80>;
+			interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&system_clk>, <&rtc_clk>;
+			clock-names = "system-clk", "rtc-clk";
+		};
+
+		sysirq: interrupt-controller at 10200100 {
+			compatible = "mediatek,mt6580-sysirq",
+				     "mediatek,mt6577-sysirq";
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			interrupt-parent = <&gic>;
+			reg = <0x10200100 0x1c>;
+		};
+
+		gic: interrupt-controller at 10211000 {
+			compatible = "arm,cortex-a7-gic";
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			interrupt-parent = <&gic>;
+			reg = <0x10211000 0x1000>,
+			      <0x10212000 0x1000>,
+			      <0x10214000 0x2000>,
+			      <0x10216000 0x2000>;
+		};
+
+		uart0: serial at 11005000 {
+			compatible = "mediatek,mt6580-uart",
+				     "mediatek,mt6577-uart";
+			reg = <0x11005000 0x400>;
+			interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&uart_clk>;
+			clock-names = "baud";
+			status = "disabled";
+		};
+
+		uart1: serial at 11006000 {
+			compatible = "mediatek,mt6580-uart",
+				     "mediatek,mt6577-uart";
+			reg = <0x11006000 0x400>;
+			interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&uart_clk>;
+			clock-names = "baud";
+			status = "disabled";
+		};
+	};
+};
-- 
1.8.1.1.dirty




More information about the Linux-mediatek mailing list