From nobody Mon Feb 9 02:15:45 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1E21EB64DC for ; Mon, 26 Jun 2023 09:52:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230225AbjFZJwd (ORCPT ); Mon, 26 Jun 2023 05:52:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48514 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230174AbjFZJwc (ORCPT ); Mon, 26 Jun 2023 05:52:32 -0400 Received: from mail-sh.amlogic.com (mail-sh.amlogic.com [58.32.228.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1220CF; Mon, 26 Jun 2023 02:52:30 -0700 (PDT) Received: from droid01-cd.amlogic.com (10.98.11.200) by mail-sh.amlogic.com (10.18.11.5) with Microsoft SMTP Server id 15.1.2507.13; Mon, 26 Jun 2023 17:52:27 +0800 From: Xianwei Zhao To: , , , CC: Catalin Marinas , Will Deacon , Neil Armstrong , Kevin Hilman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Xianwei Zhao Subject: [PATCH 1/2] dt-bindings: arm: amlogic: add T7 based AN400 bindings Date: Mon, 26 Jun 2023 17:52:22 +0800 Message-ID: <20230626095223.721011-2-xianwei.zhao@amlogic.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230626095223.721011-1-xianwei.zhao@amlogic.com> References: <20230626095223.721011-1-xianwei.zhao@amlogic.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.98.11.200] Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Document the new T7 SoC/board device tree bindings. T7 is an advanced application processor designed for smart display. It integrates a powerful CPU/GPU subsystem, a secured 8K video CODEC engine with all major peripherals. The main system CPU is based on Big.LITTLE architecture, with quad core Cortex-A73 cluster and quad core Cortex-A53 cluster. Signed-off-by: Xianwei Zhao Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/arm/amlogic.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/amlogic.yaml b/Documenta= tion/devicetree/bindings/arm/amlogic.yaml index 08d59842655c..79a8b44ffd03 100644 --- a/Documentation/devicetree/bindings/arm/amlogic.yaml +++ b/Documentation/devicetree/bindings/arm/amlogic.yaml @@ -218,6 +218,12 @@ properties: - amlogic,aq222 - const: amlogic,s4 =20 + - description: Boards with the Amlogic T7 A311D2 SoC + items: + - enum: + - amlogic,an400 + - const: amlogic,t7 + additionalProperties: true =20 ... --=20 2.37.1 From nobody Mon Feb 9 02:15:45 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C699DEB64DC for ; Mon, 26 Jun 2023 09:53:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230296AbjFZJxW (ORCPT ); Mon, 26 Jun 2023 05:53:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48514 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230249AbjFZJxU (ORCPT ); Mon, 26 Jun 2023 05:53:20 -0400 Received: from mail-sh.amlogic.com (mail-sh.amlogic.com [58.32.228.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 800829B; Mon, 26 Jun 2023 02:52:32 -0700 (PDT) Received: from droid01-cd.amlogic.com (10.98.11.200) by mail-sh.amlogic.com (10.18.11.5) with Microsoft SMTP Server id 15.1.2507.13; Mon, 26 Jun 2023 17:52:29 +0800 From: Xianwei Zhao To: , , , CC: Catalin Marinas , Will Deacon , Neil Armstrong , Kevin Hilman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Xianwei Zhao Subject: [PATCH 2/2] arm64: dts: add support for T7 based Amlogic AN400 Date: Mon, 26 Jun 2023 17:52:23 +0800 Message-ID: <20230626095223.721011-3-xianwei.zhao@amlogic.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230626095223.721011-1-xianwei.zhao@amlogic.com> References: <20230626095223.721011-1-xianwei.zhao@amlogic.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.98.11.200] Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Amlogic T7 is an advanced application processor designed for smart display. Add basic support for the T7 based Amlogic AN400 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 --- arch/arm64/boot/dts/amlogic/Makefile | 1 + .../dts/amlogic/amlogic-t7-a311d2-an400.dts | 30 ++++ arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 156 ++++++++++++++++++ 3 files changed, 187 insertions(+) create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-an400.dts create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/aml= ogic/Makefile index 6f61798a109f..99299731f5d4 100644 --- a/arch/arm64/boot/dts/amlogic/Makefile +++ b/arch/arm64/boot/dts/amlogic/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 dtb-$(CONFIG_ARCH_MESON) +=3D amlogic-c3-c302x-aw409.dtb +dtb-$(CONFIG_ARCH_MESON) +=3D amlogic-t7-a311d2-an400.dtb dtb-$(CONFIG_ARCH_MESON) +=3D meson-a1-ad401.dtb dtb-$(CONFIG_ARCH_MESON) +=3D meson-axg-jethome-jethub-j100.dtb dtb-$(CONFIG_ARCH_MESON) +=3D meson-axg-jethome-jethub-j110-rev-2.dtb diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-an400.dts b/arch= /arm64/boot/dts/amlogic/amlogic-t7-a311d2-an400.dts new file mode 100644 index 000000000000..7ce1975b99e4 --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-an400.dts @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2023 Amlogic, Inc. All rights reserved. + */ + +/dts-v1/; + +#include "amlogic-t7.dtsi" + +/ { + model =3D "Amlogic A311D2 AN400 Development Board"; + compatible =3D "amlogic,an400", "amlogic,t7"; + interrupt-parent =3D <&gic>; + #address-cells =3D <2>; + #size-cells =3D <2>; + + aliases { + serial0 =3D &uart_a; + }; + + memory@0 { + device_type =3D "memory"; + linux,usable-memory =3D <0x00000000 0x00000000 0x00000000 0xE0000000 + 0x00000001 0x00000000 0x00000000 0x20000000>; + }; +}; + +&uart_a { + status =3D "okay"; +}; diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/= dts/amlogic/amlogic-t7.dtsi new file mode 100644 index 000000000000..d3ee864f0d40 --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi @@ -0,0 +1,156 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2023 Amlogic, Inc. All rights reserved. + */ + +#include +#include +#include +/ { + cpus:cpus { + #address-cells =3D <2>; + #size-cells =3D <0>; + + cpu-map { + cluster0 { + core0 { + cpu =3D <&cpu0>; + }; + core1 { + cpu =3D <&cpu1>; + }; + core2 { + cpu =3D <&cpu2>; + }; + core3 { + cpu =3D <&cpu3>; + }; + }; + cluster1 { + core0 { + cpu =3D <&cpu4>; + }; + core1 { + cpu =3D <&cpu5>; + }; + core2 { + cpu =3D <&cpu6>; + }; + core3 { + cpu =3D <&cpu7>; + }; + }; + }; + + cpu0:cpu@0 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a73"; + reg =3D <0x0 0x0>; + enable-method =3D "psci"; + }; + + cpu1:cpu@1 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a73"; + reg =3D <0x0 0x1>; + enable-method =3D "psci"; + }; + + cpu2:cpu@2 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a73"; + reg =3D <0x0 0x2>; + enable-method =3D "psci"; + }; + + cpu3:cpu@3 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a73"; + reg =3D <0x0 0x3>; + enable-method =3D "psci"; + }; + + cpu4:cpu@100 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a53"; + reg =3D <0x0 0x100>; + enable-method =3D "psci"; + }; + + cpu5:cpu@101{ + device_type =3D "cpu"; + compatible =3D "arm,cortex-a53"; + reg =3D <0x0 0x101>; + enable-method =3D "psci"; + }; + + cpu6:cpu@102 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a53"; + reg =3D <0x0 0x102>; + enable-method =3D "psci"; + }; + + cpu7:cpu@103 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a53"; + reg =3D <0x0 0x103>; + enable-method =3D "psci"; + }; + }; + + timer { + compatible =3D "arm,armv8-timer"; + interrupts =3D , + , + , + ; + }; + + psci { + compatible =3D "arm,psci-0.2"; + method =3D "smc"; + }; + + xtal: xtal-clk { + compatible =3D "fixed-clock"; + clock-frequency =3D <24000000>; + clock-output-names =3D "xtal"; + #clock-cells =3D <0>; + }; + + soc { + compatible =3D "simple-bus"; + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + gic: interrupt-controller@fff01000 { + compatible =3D "arm,gic-400"; + #interrupt-cells =3D <3>; + #address-cells =3D <0>; + interrupt-controller; + reg =3D <0x0 0xfff01000 0 0x1000>, + <0x0 0xfff02000 0 0x0100>; + interrupts =3D ; + }; + + apb4: bus@fe000000 { + compatible =3D "simple-bus"; + reg =3D <0x0 0xfe000000 0x0 0x480000>; + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges =3D <0x0 0x0 0x0 0xfe000000 0x0 0x480000>; + + uart_a: serial@78000 { + compatible =3D "amlogic,meson-s4-uart", + "amlogic,meson-ao-uart"; + reg =3D <0x0 0x78000 0x0 0x18>; + interrupts =3D ; + status =3D "disabled"; + clocks =3D <&xtal>,<&xtal>,<&xtal>; + clock-names =3D "xtal", "pclk", "baud"; + }; + }; + }; +}; --=20 2.37.1