[PATCH 2/3] ARM: dts: mediatek: add MT7623 basic support

John Crispin blogic at openwrt.org
Tue Jan 5 08:24:27 PST 2016


This adds basic chip support for Mediatek MT7623.

Signed-off-by: John Crispin <blogic at openwrt.org>
---
 arch/arm/boot/dts/Makefile        |    1 +
 arch/arm/boot/dts/mt7623-evb.dts  |   33 +++++++++
 arch/arm/boot/dts/mt7623.dtsi     |  146 +++++++++++++++++++++++++++++++++++++
 arch/arm/mach-mediatek/Kconfig    |    4 +
 arch/arm/mach-mediatek/mediatek.c |    1 +
 5 files changed, 185 insertions(+)
 create mode 100644 arch/arm/boot/dts/mt7623-evb.dts
 create mode 100644 arch/arm/boot/dts/mt7623.dtsi

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 30bbc37..2bce370 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -774,6 +774,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt6580-evbp1.dtb \
 	mt6589-aquaris5.dtb \
 	mt6592-evb.dtb \
+	mt7623-evb.dtb \
 	mt8127-moose.dtb \
 	mt8135-evbp1.dtb
 dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
diff --git a/arch/arm/boot/dts/mt7623-evb.dts b/arch/arm/boot/dts/mt7623-evb.dts
new file mode 100644
index 0000000..a9ee2d6
--- /dev/null
+++ b/arch/arm/boot/dts/mt7623-evb.dts
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: John Crispin <blogic at openwrt.org>
+ *
+ * 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 "mt7623.dtsi"
+
+/ {
+	model = "MediaTek MT7623 evaluation board";
+	compatible = "mediatek,mt7623-evb", "mediatek,mt7623";
+
+	chosen {
+		stdout-path = &uart2;
+	};
+
+	memory {
+		reg = <0 0x80000000 0 0x40000000>;
+	};
+};
+
+&uart2 {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
new file mode 100644
index 0000000..53c4268
--- /dev/null
+++ b/arch/arm/boot/dts/mt7623.dtsi
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: John Crispin <blogic at openwrt.org>
+ *
+ * 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 "skeleton64.dtsi"
+
+/ {
+	compatible = "mediatek,mt7623";
+	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>;
+		};
+	};
+
+	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>;
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+	};
+
+	watchdog: watchdog at 10007000 {
+		compatible = "mediatek,mt7623-wdt",
+			     "mediatek,mt6589-wdt";
+		reg = <0 0x10007000 0 0x100>;
+	};
+
+	timer: timer at 10008000 {
+		compatible = "mediatek,mt7623-timer",
+			     "mediatek,mt6577-timer";
+		reg = <0 0x10008000 0 0x80>;
+		interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&system_clk>, <&rtc_clk>;
+		clock-names = "system-clk", "rtc-clk";
+	};
+
+	sysirq: interrupt-controller at 10200100 {
+		compatible = "mediatek,mt7623-sysirq",
+			     "mediatek,mt6577-sysirq";
+		interrupt-controller;
+		#interrupt-cells = <3>;
+		interrupt-parent = <&gic>;
+		reg = <0 0x10200100 0 0x1c>;
+	};
+
+	gic: interrupt-controller at 10211000 {
+		compatible = "arm,cortex-a7-gic";
+		interrupt-controller;
+		#interrupt-cells = <3>;
+		interrupt-parent = <&gic>;
+		reg = <0 0x10211000 0 0x1000>,
+		      <0 0x10212000 0 0x1000>,
+		      <0 0x10214000 0 0x2000>,
+		      <0 0x10216000 0 0x2000>;
+	};
+
+	uart0: serial at 11002000 {
+		compatible = "mediatek,mt7623-uart",
+			     "mediatek,mt6577-uart";
+		reg = <0 0x11002000 0 0x400>;
+		interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&uart_clk>;
+		status = "disabled";
+	};
+
+	uart1: serial at 11003000 {
+		compatible = "mediatek,mt7623-uart",
+			     "mediatek,mt6577-uart";
+		reg = <0 0x11003000 0 0x400>;
+		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&uart_clk>;
+		status = "disabled";
+	};
+
+	uart2: serial at 11004000 {
+		compatible = "mediatek,mt7623-uart",
+			     "mediatek,mt6577-uart";
+		reg = <0 0x11004000 0 0x400>;
+		interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&uart_clk>;
+		status = "disabled";
+	};
+
+	uart3: serial at 11005000 {
+		compatible = "mediatek,mt7623-uart",
+			     "mediatek,mt6577-uart";
+		reg = <0 0x11005000 0 0x400>;
+		interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&uart_clk>;
+		status = "disabled";
+	};
+};
diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig
index aeece17..cafdc03 100644
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -17,6 +17,10 @@ config MACH_MT6592
 	bool "MediaTek MT6592 SoCs support"
 	default ARCH_MEDIATEK
 
+config MACH_MT7623
+	bool "MediaTek MT7623 SoCs support"
+	default ARCH_MEDIATEK
+
 config MACH_MT8127
 	bool "MediaTek MT8127 SoCs support"
 	default ARCH_MEDIATEK
diff --git a/arch/arm/mach-mediatek/mediatek.c b/arch/arm/mach-mediatek/mediatek.c
index d019a08..bcfca37 100644
--- a/arch/arm/mach-mediatek/mediatek.c
+++ b/arch/arm/mach-mediatek/mediatek.c
@@ -46,6 +46,7 @@ static void __init mediatek_timer_init(void)
 static const char * const mediatek_board_dt_compat[] = {
 	"mediatek,mt6589",
 	"mediatek,mt6592",
+	"mediatek,mt7623",
 	"mediatek,mt8127",
 	"mediatek,mt8135",
 	NULL,
-- 
1.7.10.4



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