Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751534AbdGRQ3X (ORCPT ); Tue, 18 Jul 2017 12:29:23 -0400 Received: from mail-wr0-f193.google.com ([209.85.128.193]:33859 "EHLO mail-wr0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751338AbdGRQ3T (ORCPT ); Tue, 18 Jul 2017 12:29:19 -0400 Subject: Re: [PATCH v4 2/2] arm64: dts: Add Mediatek SoC MT2712 and evaluation board dts and Makefile To: YT Shen , Rob Herring Cc: Mark Rutland , Thomas Gleixner , Jason Cooper , Marc Zyngier , Greg Kroah-Hartman , Catalin Marinas , Will Deacon , Mars Cheng , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com References: <1498123975-9748-1-git-send-email-yt.shen@mediatek.com> <1498123975-9748-3-git-send-email-yt.shen@mediatek.com> From: Matthias Brugger Message-ID: Date: Tue, 18 Jul 2017 18:29:13 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <1498123975-9748-3-git-send-email-yt.shen@mediatek.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4233 Lines: 169 On 06/22/2017 11:32 AM, YT Shen wrote: > This adds basic chip support for Mediatek 2712 > > Signed-off-by: YT Shen > --- > arch/arm64/boot/dts/mediatek/Makefile | 1 + > arch/arm64/boot/dts/mediatek/mt2712-evb.dts | 32 ++++++ > arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 172 ++++++++++++++++++++++++++++ > 3 files changed, 205 insertions(+) > create mode 100644 arch/arm64/boot/dts/mediatek/mt2712-evb.dts > create mode 100644 arch/arm64/boot/dts/mediatek/mt2712e.dtsi > > diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile > index 9fbfd32..fcc0604 100644 > --- a/arch/arm64/boot/dts/mediatek/Makefile > +++ b/arch/arm64/boot/dts/mediatek/Makefile > @@ -1,3 +1,4 @@ > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt2712-evb.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb > diff --git a/arch/arm64/boot/dts/mediatek/mt2712-evb.dts b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts > new file mode 100644 > index 0000000..8c804df > --- /dev/null > +++ b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts > @@ -0,0 +1,32 @@ > +/* > + * Copyright (c) 2017 MediaTek Inc. > + * Author: YT Shen > + * > + * SPDX-License-Identifier: (GPL-2.0 OR MIT) > + */ > + > +/dts-v1/; > +#include "mt2712e.dtsi" > + > +/ { > + model = "MediaTek MT2712 evaluation board"; > + compatible = "mediatek,mt2712-evb", "mediatek,mt2712"; > + > + aliases { > + serial0 = &uart0; > + }; > + > + memory@40000000 { > + device_type = "memory"; > + reg = <0 0x40000000 0 0x80000000>; > + }; > + > + chosen { > + stdout-path = "serial0:921600n8"; > + }; > +}; > + > +&uart0 { > + status = "okay"; > +}; > + > diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > new file mode 100644 > index 0000000..461ee0f > --- /dev/null > +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi > @@ -0,0 +1,172 @@ > +/* > + * Copyright (c) 2017 MediaTek Inc. > + * Author: YT Shen > + * > + * SPDX-License-Identifier: (GPL-2.0 OR MIT) > + */ > + > +#include > +#include > + > +/ { > + compatible = "mediatek,mt2712"; > + interrupt-parent = <&sysirq>; > + #address-cells = <2>; > + #size-cells = <2>; > + > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpu-map { > + cluster0 { > + core0 { > + cpu = <&cpu0>; > + }; > + core1 { > + cpu = <&cpu1>; > + }; > + }; > + > + cluster1 { > + core0 { > + cpu = <&cpu2>; > + }; > + }; > + }; > + > + cpu0: cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a35"; > + reg = <0x000>; > + }; > + > + cpu1: cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a35"; > + reg = <0x001>; > + enable-method = "psci"; > + }; > + > + cpu2: cpu@200 { > + device_type = "cpu"; > + compatible = "arm,cortex-a72"; > + reg = <0x200>; > + enable-method = "psci"; > + }; > + }; > + > + psci { > + compatible = "arm,psci-0.2"; > + method = "smc"; > + }; > + > + uart_clk: dummy26m { > + compatible = "fixed-clock"; > + clock-frequency = <26000000>; > + #clock-cells = <0>; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupt-parent = <&gic>; > + interrupts = + (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_LOW)>, > + + (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_LOW)>, > + + (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_LOW)>, > + + (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_LOW)>; > + }; > + > + soc { > + #address-cells = <2>; > + #size-cells = <2>; > + compatible = "simple-bus"; > + ranges; > + > + uart5: serial@1000f000 { > + compatible = "mediatek,mt2712-uart", > + "mediatek,mt6577-uart"; > + reg = <0 0x1000f000 0 0x400>; > + interrupts = ; > + clocks = <&uart_clk>, <&uart_clk>; > + clock-names = "baud", "bus"; > + status = "disabled"; > + }; So baud and bus clock are both 26 MHz? Regards, Matthias