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Tue, 14 Sep 2021 10:55:26 -0700 (PDT) Message-ID: <016b501b-a4bf-c74d-9f7f-8145800ca6e0@gmail.com> Date: Tue, 14 Sep 2021 19:55:24 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.0.3 Subject: Re: [RESEND,v2,8/9] arm64: dts: mediatek: add mt7986a support Content-Language: en-US To: Sam Shih , Rob Herring , Sean Wang , Linus Walleij , Matt Mackall , Herbert Xu , Greg Kroah-Hartman , Wim Van Sebroeck , Guenter Roeck , Michael Turquette , Stephen Boyd , Hsin-Yi Wang , Enric Balletbo i Serra , Fabien Parent , Seiya Wang , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-serial@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-clk@vger.kernel.org Cc: John Crispin , Ryder Lee References: <20210914085137.31761-1-sam.shih@mediatek.com> <20210914085137.31761-9-sam.shih@mediatek.com> From: Matthias Brugger In-Reply-To: <20210914085137.31761-9-sam.shih@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org On 14/09/2021 10:51, Sam Shih wrote: > Add basic chip support for Mediatek mt7986a, include > uart nodes with correct clocks, rng node with correct clock, > and watchdog node and mt7986a pinctrl node. > > Add cpu node, timer node, gic node, psci and reserved-memory node > for ARM Trusted Firmware, > > Add clock controller nodes, include 40M clock source, topckgen, infracfg, > apmixedsys and ethernet subsystem. > > Signed-off-by: Sam Shih > > --- > v2: modified clock and uart node due to clock driver updated > --- > arch/arm64/boot/dts/mediatek/Makefile | 1 + > arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 49 ++++ > arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 227 +++++++++++++++++++ > 3 files changed, 277 insertions(+) > create mode 100644 arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts > create mode 100644 arch/arm64/boot/dts/mediatek/mt7986a.dtsi > > diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile > index 4f68ebed2e31..e6c3a73b9e4a 100644 > --- a/arch/arm64/boot/dts/mediatek/Makefile > +++ b/arch/arm64/boot/dts/mediatek/Makefile > @@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-rfb1.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-bananapi-bpi-r64.dtb > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-rfb.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += mt8167-pumpkin.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm-hana.dtb > diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts > new file mode 100644 > index 000000000000..a58347c09ab2 > --- /dev/null > +++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts > @@ -0,0 +1,49 @@ > +// SPDX-License-Identifier: (GPL-2.0 OR MIT) > +/* > + * Copyright (C) 2021 MediaTek Inc. > + * Author: Sam.Shih > + */ > + > +/dts-v1/; > +#include "mt7986a.dtsi" > + > +/ { > + model = "MediaTek MT7986a RFB"; > + compatible = "mediatek,mt7986a-rfb"; > + chosen { > + bootargs = "console=ttyS0,115200n1 loglevel=8 \ > + earlycon=uart8250,mmio32,0x11002000"; We should be able to achieve this by using the stdout-path instead. Regards, Matthias