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([2a01:e0a:982:cbb0:f548:bbaf:d95f:43ff]) by smtp.gmail.com with ESMTPSA id s18-20020a5d4252000000b00304aba2cfcbsm1761312wrr.7.2023.05.05.02.05.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 May 2023 02:05:29 -0700 (PDT) Message-ID: Date: Fri, 5 May 2023 11:05:27 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.1 From: Neil Armstrong Subject: Re: [PATCH V3] arm64: dts: add support for C3 based Amlogic AW409 Content-Language: en-US To: Xianwei Zhao , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org Cc: Catalin Marinas , Will Deacon , Kevin Hilman , Rob Herring , Krzysztof Kozlowski References: <20230505071254.2571429-1-xianwei.zhao@amlogic.com> Organization: Linaro Developer Services In-Reply-To: <20230505071254.2571429-1-xianwei.zhao@amlogic.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230505_020537_401267_CB7E6BFA X-CRM114-Status: GOOD ( 19.84 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: neil.armstrong@linaro.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On 05/05/2023 09:12, Xianwei Zhao wrote: > Amlogic C3 is an advanced edge AI processor designed for smart IP camera > applications. > > Add basic support for the C3 based Amlogic AW409 board, which describes > the following components: CPU, GIC, IRQ, Timer, UART. It's capable of > booting up into the serial console. > > Signed-off-by: Xianwei Zhao > Link: https://lore.kernel.org/all/20230407102704.1055152-1-kelvin.zhang@amlogic.com > Link: https://lore.kernel.org/all/20230307222651.2106615-2-martin.blumenstingl@googlemail.com What are those links ? If they are dependencies, please add them under the --- before the changelog. Thanks, Neil > --- > v2 -> V3: Remove '256m' from filename; > Keep alphabetical order of Makefile. > V1 -> V2: Remove new arch, and use ARCH_MESON; > Modify node name, and delete superfluous blank line. > --- > arch/arm64/boot/dts/amlogic/Makefile | 1 + > .../dts/amlogic/amlogic-c3-c302x-aw409.dts | 29 +++++++ > arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi | 86 +++++++++++++++++++ > 3 files changed, 116 insertions(+) > create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409.dts > create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi > > diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile > index cd1c5b04890a..6f61798a109f 100644 > --- a/arch/arm64/boot/dts/amlogic/Makefile > +++ b/arch/arm64/boot/dts/amlogic/Makefile > @@ -1,4 +1,5 @@ > # SPDX-License-Identifier: GPL-2.0 > +dtb-$(CONFIG_ARCH_MESON) += amlogic-c3-c302x-aw409.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j100.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j110-rev-2.dtb > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409.dts b/arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409.dts > new file mode 100644 > index 000000000000..edce8850b338 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/amlogic-c3-c302x-aw409.dts > @@ -0,0 +1,29 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2021 Amlogic, Inc. All rights reserved. > + */ > + > +/dts-v1/; > + > +#include "amlogic-c3.dtsi" > + > +/ { > + model = "Amlogic C302 aw409 Development Board"; > + compatible = "amlogic,aw409", "amlogic,c3"; > + interrupt-parent = <&gic>; > + #address-cells = <2>; > + #size-cells = <2>; > + > + aliases { > + serial0 = &uart_b; > + }; > + > + memory@0 { > + device_type = "memory"; > + reg = <0x0 0x0 0x0 0x10000000>; > + }; > +}; > + > +&uart_b { > + status = "okay"; > +}; > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi > new file mode 100644 > index 000000000000..93b335aef605 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi > @@ -0,0 +1,86 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2021 Amlogic, Inc. All rights reserved. > + */ > + > +#include > +#include > +#include > + > +/ { > + cpus { > + #address-cells = <2>; > + #size-cells = <0>; > + > + cpu0: cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a35"; > + reg = <0x0 0x0>; > + enable-method = "psci"; > + }; > + > + cpu1: cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a35"; > + reg = <0x0 0x1>; > + enable-method = "psci"; > + }; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupts = , > + , > + , > + ; > + }; > + > + psci { > + compatible = "arm,psci-1.0"; > + method = "smc"; > + }; > + > + xtal: xtal-clk { > + compatible = "fixed-clock"; > + clock-frequency = <24000000>; > + clock-output-names = "xtal"; > + #clock-cells = <0>; > + }; > + > + soc { > + compatible = "simple-bus"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + gic: interrupt-controller@fff01000 { > + compatible = "arm,gic-400"; > + #interrupt-cells = <3>; > + #address-cells = <0>; > + interrupt-controller; > + reg = <0x0 0xfff01000 0 0x1000>, > + <0x0 0xfff02000 0 0x2000>, > + <0x0 0xfff04000 0 0x2000>, > + <0x0 0xfff06000 0 0x2000>; > + interrupts = ; > + }; > + > + apb4: bus@fe000000 { > + compatible = "simple-bus"; > + reg = <0x0 0xfe000000 0x0 0x480000>; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>; > + > + uart_b: serial@7a000 { > + compatible = "amlogic,meson-g12a-uart"; > + reg = <0x0 0x7a000 0x0 0x18>; > + interrupts = ; > + status = "disabled"; > + clocks = <&xtal>, <&xtal>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + }; > + > + }; > + }; > +}; > > base-commit: ae68fb187b59bc8645974320808ab2d7c41b1833 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic