arm64: dts: mediatek: add mt6797 support

This adds basic chip support for MT6797 SoC.

Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 9fbfd32..015eb07 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -1,5 +1,6 @@
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
 
 always         := $(dtb-y)

diff --git a/arch/arm64/boot/dts/mediatek/mt6797-evb.dts b/arch/arm64/boot/dts/mediatek/mt6797-evb.dts
new file mode 100644 (file)
index 0000000..c79109c
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6797-evb.dts
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2017 MediaTek Inc.
+ * Author: Mars.C <mars.cheng@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 "mt6797.dtsi"
+
+/ {
+       model = "MediaTek MT6797 Evaluation Board";
+       compatible = "mediatek,mt6797-evb", "mediatek,mt6797";
+
+       aliases {
+               serial0 = &uart0;
+       };
+
+       memory@40000000 {
+               device_type = "memory";
+               reg = <0 0x40000000 0 0x1e800000>;
+       };
+
+       chosen {};
+};
+
+&uart0 {
+       status = "okay";
+};

diff --git a/arch/arm64/boot/dts/mediatek/mt6797.dtsi b/arch/arm64/boot/dts/mediatek/mt6797.dtsi
new file mode 100644 (file)
index 0000000..cf4529e
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6797.dtsi
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2017 MediaTek Inc.
+ * Author: Mars.C <mars.cheng@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,mt6797";
+       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-a53";
+                       enable-method = "psci";
+                       reg = <0x000>;
+               };
+
+               cpu1: cpu@1 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a53";
+                       enable-method = "psci";
+                       reg = <0x001>;
+               };
+
+               cpu2: cpu@2 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a53";
+                       enable-method = "psci";
+                       reg = <0x002>;
+               };
+
+               cpu3: cpu@3 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a53";
+                       enable-method = "psci";
+                       reg = <0x003>;
+               };
+
+               cpu4: cpu@100 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a53";
+                       enable-method = "psci";
+                       reg = <0x100>;
+               };
+
+               cpu5: cpu@101 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a53";
+                       enable-method = "psci";
+                       reg = <0x101>;
+               };
+
+               cpu6: cpu@102 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a53";
+                       enable-method = "psci";
+                       reg = <0x102>;
+               };
+
+               cpu7: cpu@103 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a53";
+                       enable-method = "psci";
+                       reg = <0x103>;
+               };
+
+               cpu8: cpu@200 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a72";
+                       enable-method = "psci";
+                       reg = <0x200>;
+               };
+
+               cpu9: cpu@201 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a72";
+                       enable-method = "psci";
+                       reg = <0x201>;
+               };
+       };
+
+       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 = <32000>;
+               clock-output-names = "clk32k";
+       };
+
+       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>;
+       };
+
+       sysirq: intpol-controller@10200620 {
+               compatible = "mediatek,mt6797-sysirq",
+                            "mediatek,mt6577-sysirq";
+               interrupt-controller;
+               #interrupt-cells = <3>;
+               interrupt-parent = <&gic>;
+               reg = <0 0x10220620 0 0x20>,
+                     <0 0x10220690 0 0x10>;
+       };
+
+       uart0: serial@11002000 {
+               compatible = "mediatek,mt6797-uart",
+                            "mediatek,mt6577-uart";
+               reg = <0 0x11002000 0 0x400>;
+               interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
+               clocks = <&clk26m>;
+               status = "disabled";
+       };
+
+       uart1: serial@11003000 {
+               compatible = "mediatek,mt6797-uart",
+                            "mediatek,mt6577-uart";
+               reg = <0 0x11003000 0 0x400>;
+               interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
+               clocks = <&clk26m>;
+               status = "disabled";
+       };
+
+       uart2: serial@11004000 {
+               compatible = "mediatek,mt6797-uart",
+                            "mediatek,mt6577-uart";
+               reg = <0 0x11004000 0 0x400>;
+               interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_LOW>;
+               clocks = <&clk26m>;
+               status = "disabled";
+       };
+
+       uart3: serial@11005000 {
+               compatible = "mediatek,mt6797-uart",
+                            "mediatek,mt6577-uart";
+               reg = <0 0x11005000 0 0x400>;
+               interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_LOW>;
+               clocks = <&clk26m>;
+               status = "disabled";
+       };
+
+       gic: interrupt-controller@19000000 {
+               compatible = "arm,gic-v3";
+               #interrupt-cells = <3>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-controller;
+               reg = <0 0x19000000 0 0x10000>,    /* GICD */
+                     <0 0x19200000 0 0x200000>,   /* GICR */
+                     <0 0x10240000 0 0x2000>;     /* GICC */
+       };
+};