this adds initial MT6779 dts settings fo board support,
including cpu, gic, timer, ccf, pinctrl, uart...etc.

Signed-off-by: Mars Cheng <mars.ch...@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/Makefile        |    1 +
 arch/arm64/boot/dts/mediatek/mt6779-evb.dtsi |   31 ++++
 arch/arm64/boot/dts/mediatek/mt6779.dts      |  229 ++++++++++++++++++++++++++
 3 files changed, 261 insertions(+)
 create mode 100644 arch/arm64/boot/dts/mediatek/mt6779-evb.dtsi
 create mode 100644 arch/arm64/boot/dts/mediatek/mt6779.dts

diff --git a/arch/arm64/boot/dts/mediatek/Makefile 
b/arch/arm64/boot/dts/mediatek/Makefile
index 458bbc4..53f1c61 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt2712-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt6779-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt6779-evb.dtsi 
b/arch/arm64/boot/dts/mediatek/mt6779-evb.dtsi
new file mode 100644
index 0000000..164f5cb
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6779-evb.dtsi
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Mars.C <mars.ch...@mediatek.com>
+ *
+ */
+
+/dts-v1/;
+#include "mt6779.dtsi"
+
+/ {
+       model = "MediaTek MT6779 EVB";
+       compatible = "mediatek,mt6779-evb", "mediatek,mt6779";
+
+       aliases {
+               serial0 = &uart0;
+       };
+
+       memory@40000000 {
+               device_type = "memory";
+               reg = <0 0x40000000 0 0x1e800000>;
+       };
+
+       chosen {
+               stdout-path = "serial0:921600n8";
+       };
+};
+
+&uart0 {
+       status = "okay";
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt6779.dts 
b/arch/arm64/boot/dts/mediatek/mt6779.dts
new file mode 100644
index 0000000..daa25b7
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6779.dts
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Mars.C <mars.ch...@mediatek.com>
+ *
+ */
+
+#include <dt-bindings/clock/mt6779-clk.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+       compatible = "mediatek,mt6779";
+       interrupt-parent = <&sysirq>;
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       psci {
+               compatible = "arm,psci-0.2";
+               method = "smc";
+       };
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               cpu0: cpu@0 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       enable-method = "psci";
+                       reg = <0x000>;
+               };
+
+               cpu1: cpu@1 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       enable-method = "psci";
+                       reg = <0x100>;
+               };
+
+               cpu2: cpu@2 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       enable-method = "psci";
+                       reg = <0x200>;
+               };
+
+               cpu3: cpu@3 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       enable-method = "psci";
+                       reg = <0x300>;
+               };
+
+               cpu4: cpu@4 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       enable-method = "psci";
+                       reg = <0x400>;
+               };
+
+               cpu5: cpu@5 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       enable-method = "psci";
+                       reg = <0x500>;
+               };
+
+               cpu6: cpu@6 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a75";
+                       enable-method = "psci";
+                       reg = <0x600>;
+               };
+
+               cpu7: cpu@7 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a75";
+                       enable-method = "psci";
+                       reg = <0x700>;
+               };
+       };
+
+       clk26m: oscillator@0 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <26000000>;
+               clock-output-names = "clk26m";
+       };
+
+       clk32k: oscillator@1 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <32768>;
+               clock-output-names = "clk32k";
+       };
+
+       uart_clk: dummy26m {
+               compatible = "fixed-clock";
+               clock-frequency = <26000000>;
+               #clock-cells = <0>;
+       };
+
+       timer {
+               compatible = "arm,armv8-timer";
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
+       };
+
+       soc {
+               #address-cells = <2>;
+               #size-cells = <2>;
+               compatible = "simple-bus";
+               ranges;
+
+               gic: interrupt-controller@0c000000 {
+                       compatible = "arm,gic-v3";
+                       #interrupt-cells = <3>;
+                       #address-cells = <2>;
+                       #size-cells = <2>;
+                       #redistributor-regions = <1>;
+                       interrupt-parent = <&gic>;
+                       interrupt-controller;
+                       reg = <0 0x0c000000 0 0x40000>,  /* GICD */
+                             <0 0x0c040000 0 0x200000>, /* GICR */
+                             <0 0x0c400000 0 0x2000>,   /* GICC */
+                             <0 0x0c410000 0 0x1000>,   /* GICH */
+                             <0 0x0c420000 0 0x2000>;   /* GICV */
+                       interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+               };
+
+               sysirq: intpol-controller@0c53a650 {
+                       compatible = "mediatek,mt6779-sysirq",
+                                    "mediatek,mt6577-sysirq";
+                       interrupt-controller;
+                       #interrupt-cells = <3>;
+                       interrupt-parent = <&gic>;
+                       reg = <0 0x0c53a650 0 0x50>;
+               };
+
+               topckgen: clock-controller@10000000 {
+                       compatible = "mediatek,mt6779-topckgen", "syscon";
+                       reg = <0 0x10000000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               infracfg_ao: clock-controller@10001000 {
+                       compatible = "mediatek,mt6779-infracfg_ao", "syscon";
+                       reg = <0 0x10001000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               apmixed: clock-controller@1000c000 {
+                       compatible = "mediatek,mt6779-apmixed", "syscon";
+                       reg = <0 0x1000c000 0 0xe00>;
+                       #clock-cells = <1>;
+               };
+
+               uart0: serial@11002000 {
+                       compatible = "mediatek,mt6779-uart",
+                                    "mediatek,mt6577-uart";
+                       reg = <0 0x11002000 0 0x400>;
+                       interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
+                       clocks = <&uart_clk>;
+                       status = "disabled";
+               };
+
+               uart1: serial@11003000 {
+                       compatible = "mediatek,mt6779-uart",
+                                    "mediatek,mt6577-uart";
+                       reg = <0 0x11003000 0 0x400>;
+                       interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_LOW>;
+                       clocks = <&uart_clk>;
+                       status = "disabled";
+               };
+
+               audio: clock-controller@11210000 {
+                       compatible = "mediatek,mt6779-audio", "syscon";
+                       reg = <0 0x11210000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               mfgcfg: clock-controller@13fbf000 {
+                       compatible = "mediatek,mt6779-mfgcfg", "syscon";
+                       reg = <0 0x13fbf000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               mmsys: clock-controller@14000000 {
+                       compatible = "mediatek,mt6779-mmsys", "syscon";
+                       reg = <0 0x14000000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               imgsys: clock-controller@15020000 {
+                       compatible = "mediatek,mt6779-imgsys", "syscon";
+                       reg = <0 0x15020000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               vdecsys: clock-controller@16000000 {
+                       compatible = "mediatek,mt6779-vdecsys", "syscon";
+                       reg = <0 0x16000000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               vencsys: clock-controller@17000000 {
+                       compatible = "mediatek,mt6779-vencsys", "syscon";
+                       reg = <0 0x17000000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               camsys: clock-controller@1a000000 {
+                       compatible = "mediatek,mt6779-camsys", "syscon";
+                       reg = <0 0x1a000000 0 0x10000>;
+                       #clock-cells = <1>;
+               };
+
+               ipesys: clock-controller@1b000000 {
+                       compatible = "mediatek,mt6779-ipesys", "syscon";
+                       reg = <0 0x1b000000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+       };
+};
-- 
1.7.9.5

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