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([2a01:e0a:982:cbb0:986c:54c:12ce:a121]) by smtp.gmail.com with ESMTPSA id j24-20020a05600c1c1800b0041643c9cb0dsm8907068wms.42.2024.04.12.06.09.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Apr 2024 06:09:12 -0700 (PDT) Message-ID: <97a18d71-4cf8-4d31-a6a1-2b6f69fabbea@linaro.org> Date: Fri, 12 Apr 2024 15:09:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Subject: Re: [PATCH v3 4/5] arm64: dts: add support for A4 based Amlogic BA400 To: xianwei.zhao@amlogic.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Martin Blumenstingl , Jerome Brunet , Kevin Hilman , Greg Kroah-Hartman , Jiri Slaby Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-serial@vger.kernel.org References: <20240401-basic_dt-v3-0-cb29ae1c16da@amlogic.com> <20240401-basic_dt-v3-4-cb29ae1c16da@amlogic.com> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20240401-basic_dt-v3-4-cb29ae1c16da@amlogic.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240412_060916_635004_08724D08 X-CRM114-Status: GOOD ( 18.75 ) 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 01/04/2024 12:10, Xianwei Zhao via B4 Relay wrote: > From: Xianwei Zhao > > Amlogic A4 is an application processor designed for smart audio > and IoT applications. > > Add basic support for the A4 based Amlogic BA400 board, which describes > the following components: CPU, GIC, IRQ, Timer and UART. > These are capable of booting up into the serial console. > > Signed-off-by: Xianwei Zhao > --- > arch/arm64/boot/dts/amlogic/Makefile | 1 + > .../boot/dts/amlogic/amlogic-a4-a113l2-ba400.dts | 42 ++++++++++++++ > arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi | 66 ++++++++++++++++++++++ > arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi | 40 +++++++++++++ > 4 files changed, 149 insertions(+) > > diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile > index 1ab160bf928a..9a50ec11bb8d 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-$(CONFIG_ARCH_MESON) += amlogic-a4-a113l2-ba400.dtb > dtb-$(CONFIG_ARCH_MESON) += amlogic-c3-c302x-aw409.dtb > dtb-$(CONFIG_ARCH_MESON) += amlogic-t7-a311d2-an400.dtb > dtb-$(CONFIG_ARCH_MESON) += amlogic-t7-a311d2-khadas-vim4.dtb > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4-a113l2-ba400.dts b/arch/arm64/boot/dts/amlogic/amlogic-a4-a113l2-ba400.dts > new file mode 100644 > index 000000000000..ad3127e695d9 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/amlogic-a4-a113l2-ba400.dts > @@ -0,0 +1,42 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2024 Amlogic, Inc. All rights reserved. > + */ > + > +/dts-v1/; > + > +#include "amlogic-a4.dtsi" > + > +/ { > + model = "Amlogic A113L2 ba400 Development Board"; > + compatible = "amlogic,ba400", "amlogic,a4"; > + interrupt-parent = <&gic>; > + #address-cells = <2>; > + #size-cells = <2>; > + > + aliases { > + serial0 = &uart_b; > + }; > + > + memory@0 { > + device_type = "memory"; > + reg = <0x0 0x0 0x0 0x40000000>; > + }; > + > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + /* 10 MiB reserved for ARM Trusted Firmware */ > + secmon_reserved: secmon@5000000 { > + compatible = "shared-dma-pool"; > + reg = <0x0 0x05000000 0x0 0xa00000>; > + no-map; > + }; > + }; > +}; > + > +&uart_b { > + status = "okay"; > +}; > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi > new file mode 100644 > index 000000000000..b6106ad4a072 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi > @@ -0,0 +1,66 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2024 Amlogic, Inc. All rights reserved. > + */ > + > +#include > +#include > +#include > +/ { > + 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"; > + reg = <0x0 0xfff01000 0 0x1000>, > + <0x0 0xfff02000 0 0x2000>, > + <0x0 0xfff04000 0 0x2000>, > + <0x0 0xfff06000 0 0x2000>; > + #interrupt-cells = <3>; > + #address-cells = <0>; > + interrupt-controller; > + interrupts = ; > + }; > + > + apb: 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,a4-uart", > + "amlogic,meson-s4-uart"; > + reg = <0x0 0x7a000 0x0 0x18>; > + interrupts = ; > + clocks = <&xtal>, <&xtal>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + }; > + }; > +}; > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi > new file mode 100644 > index 000000000000..73ca1d7eed81 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi > @@ -0,0 +1,40 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2024 Amlogic, Inc. All rights reserved. > + */ > + > +#include "amlogic-a4-common.dtsi" > +/ { > + cpus { > + #address-cells = <2>; > + #size-cells = <0>; > + > + cpu0: cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x0>; > + enable-method = "psci"; > + }; > + > + cpu1: cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x1>; > + enable-method = "psci"; > + }; > + > + cpu2: cpu@2 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x2>; > + enable-method = "psci"; > + }; > + > + cpu3: cpu@3 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x3>; > + enable-method = "psci"; > + }; > + }; > +}; > Reviewed-by: Neil Armstrong _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic