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Message-ID: <1528854998.5296.7.camel@mtkswgap22>
Date: Wed, 13 Jun 2018 09:56:38 +0800
From: Mars Cheng <mars.cheng@...iatek.com>
To: Rob Herring <robh+dt@...nel.org>
CC: Matthias Brugger <matthias.bgg@...il.com>,
CC Hwang <cc.hwang@...iatek.com>,
Loda Chou <loda.chou@...iatek.com>,
Miles Chen <miles.chen@...iatek.com>,
Jades Shih <jades.shih@...iatek.com>,
"Yingjoe Chen" <yingjoe.chen@...iatek.com>,
My Chuang <my.chuang@...iatek.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<wsd_upstream@...iatek.com>
Subject: Re: [PATCH 2/2] arm64: dts: mediatek: add mt6765 support
Hi Rob
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/mediatek/mt6765-evb.dts
> > @@ -0,0 +1,39 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (c) 2018 MediaTek Inc.
> > + * Author: Mars.C <mars.cheng@...iatek.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.
>
> With the SPDX tag, you can drop the license text.
Got it, will fix it.
>
> > + */
> > +
> > +/dts-v1/;
> > +#include "mt6765.dtsi"
> > +
> > +/ {
> > + model = "MediaTek MT6765 EVB";
> > + compatible = "mediatek,mt6765-evb", "mediatek,mt6765";
> > +
> > + aliases {
> > + serial0 = &uart0;
> > + };
> > +
> > + memory@...00000 {
> > + 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..7222a5e
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/mediatek/mt6765.dtsi
> > @@ -0,0 +1,148 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (c) 2018 MediaTek Inc.
> > + * Author: Mars.C <mars.cheng@...iatek.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.
>
> ditto
Got it.
>
> > + */
> > +
> > +#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@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>;
> > + };
> > + };
> > +
> > + uart_clk: dummy26m {
> > + 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)>;
> > + };
> > +
> > + sysirq: intpol-controller@...00a80 {
>
> This and others with an address should go under a simple-bus node.
>
> Node name should be 'interrupt-controller@...'
Got it, will fix them.
>
> > + compatible = "mediatek,mt6765-sysirq",
> > + "mediatek,mt6577-sysirq";
> > + interrupt-controller;
> > + #interrupt-cells = <3>;
> > + interrupt-parent = <&gic>;
> > + reg = <0 0x10200a80 0 0x50>;
> > + };
> > +
> > + gic: interrupt-controller@...00000 {
>
> Drop the leading 0.
Got it, will fix it.
>
> > + 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@...02000 {
> > + compatible = "mediatek,mt6765-uart",
> > + "mediatek,mt6577-uart";
> > + reg = <0 0x11002000 0 0x400>;
> > + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
> > + clocks = <&uart_clk>;
> > + status = "disabled";
> > + };
> > +
> > + uart1: serial@...03000 {
> > + compatible = "mediatek,mt6765-uart",
> > + "mediatek,mt6577-uart";
> > + reg = <0 0x11003000 0 0x400>;
> > + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
> > + clocks = <&uart_clk>;
> > + status = "disabled";
> > + };
> > +};
> > --
> > 1.7.9.5
> >
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