[PATCH v2 2/2] arm64: dts: mediatek: add mt6765 support
From: robh+dt@kernel.org (Rob Herring)
Date: 2018-07-02 21:50:19
Also in:
linux-devicetree, linux-mediatek, linux-serial, lkml
On Mon, Jun 25, 2018 at 8:04 PM Mars Cheng [off-list ref] wrote:
quoted hunk ↗ jump to hunk
This adds basic chip support for MT6765 SoC. Signed-off-by: Mars Cheng <redacted> --- arch/arm64/boot/dts/mediatek/Makefile | 1 + arch/arm64/boot/dts/mediatek/mt6765-evb.dts | 33 ++++++ arch/arm64/boot/dts/mediatek/mt6765.dtsi | 158 +++++++++++++++++++++++++++ 3 files changed, 192 insertions(+) create mode 100644 arch/arm64/boot/dts/mediatek/mt6765-evb.dts create mode 100644 arch/arm64/boot/dts/mediatek/mt6765.dtsidiff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile index ac17f60..7506b0d 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-$(CONFIG_ARCH_MEDIATEK) += mt6765-evb.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-rfb1.dtbdiff --git a/arch/arm64/boot/dts/mediatek/mt6765-evb.dts b/arch/arm64/boot/dts/mediatek/mt6765-evb.dts new file mode 100644 index 0000000..36dddff2 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt6765-evb.dts@@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * dts file for Mediatek MT6765 + * + * (C) Copyright 2018. Mediatek, Inc. + * + * Mars Cheng <mars.cheng@mediatek.com> + */ + +/dts-v1/; +#include "mt6765.dtsi" + +/ { + model = "MediaTek MT6765 EVB"; + compatible = "mediatek,mt6765-evb", "mediatek,mt6765"; + + aliases { + serial0 = &uart0; + }; + + memory at 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/mt6765.dtsi b/arch/arm64/boot/dts/mediatek/mt6765.dtsi new file mode 100644 index 0000000..ab34c0f --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt6765.dtsi@@ -0,0 +1,158 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * dts file for Mediatek MT6765 + * + * (C) Copyright 2018. Mediatek, Inc. + * + * Mars Cheng <mars.cheng@mediatek.com> + */ + +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + compatible = "mediatek,mt6765"; + 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 at 0 {
Really need labels for cpu nodes?
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ enable-method = "psci";
+ reg = <0x000>;
+ };
+
+ cpu1: cpu at 1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ enable-method = "psci";
+ reg = <0x001>;
+ };
+
+ cpu2: cpu at 2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ enable-method = "psci";
+ reg = <0x002>;
+ };
+
+ cpu3: cpu at 3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ enable-method = "psci";
+ reg = <0x003>;
+ };
+
+ cpu4: cpu at 100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ enable-method = "psci";
+ reg = <0x100>;
+ };
+
+ cpu5: cpu at 101 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ enable-method = "psci";
+ reg = <0x101>;
+ };
+
+ cpu6: cpu at 102 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ enable-method = "psci";
+ reg = <0x102>;
+ };
+
+ cpu7: cpu at 103 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ enable-method = "psci";
+ reg = <0x103>;
+ };
+ };
+
+ baud_clk: dummy26m {
+ compatible = "fixed-clock";
+ clock-frequency = <26000000>;
+ #clock-cells = <0>;
+ };
+
+ sys_clk: dummyclk {
+ 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(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14
+ (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11
+ (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10
+ (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ compatible = "simple-bus";
+ ranges;
+
+ sysirq: intpol-controller at 10200a80 {interrupt-controller at ...
+ compatible = "mediatek,mt6765-sysirq",
+ "mediatek,mt6577-sysirq";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0 0x10200a80 0 0x50>;
+ };
+
+ gic: interrupt-controller at 0c000000 {Drop the leading 0. Build your dts with W=12 and fix the warnings like this.
+ 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>, // distributor
+ <0 0x0c100000 0 0x200000>; // redistributor
+ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ uart0: serial at 11002000 {
+ compatible = "mediatek,mt6765-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11002000 0 0x400>;
+ interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&baud_clk>, <&sys_clk>;
+ clock-names = "baud", "bus";
+ status = "disabled";
+ };
+
+ uart1: serial at 11003000 {
+ compatible = "mediatek,mt6765-uart",
+ "mediatek,mt6577-uart";
+ reg = <0 0x11003000 0 0x400>;
+ interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&baud_clk>, <&sys_clk>;
+ clock-names = "baud", "bus";
+ status = "disabled";
+ };
+ }; /* end of soc */
+};
--
1.7.9.5