From patchwork Mon Feb 15 12:17:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 383033 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-21.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 226ABC4332B for ; Mon, 15 Feb 2021 12:20:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E965464E36 for ; Mon, 15 Feb 2021 12:20:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230257AbhBOMUj (ORCPT ); Mon, 15 Feb 2021 07:20:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229936AbhBOMUY (ORCPT ); Mon, 15 Feb 2021 07:20:24 -0500 Received: from mail.marcansoft.com (marcansoft.com [IPv6:2a01:298:fe:f::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 362AEC061788; Mon, 15 Feb 2021 04:19:44 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 8D72A4258F; Mon, 15 Feb 2021 12:19:38 +0000 (UTC) From: Hector Martin To: linux-arm-kernel@lists.infradead.org Cc: Hector Martin , Marc Zyngier , Rob Herring , Arnd Bergmann , Olof Johansson , Krzysztof Kozlowski , Mark Kettenis , Tony Lindgren , Mohamed Mediouni , Stan Skowronek , Alexander Graf , Will Deacon , Linus Walleij , Mark Rutland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 25/25] arm64: apple: Add initial Mac Mini 2020 (M1) devicetree Date: Mon, 15 Feb 2021 21:17:13 +0900 Message-Id: <20210215121713.57687-26-marcan@marcan.st> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210215121713.57687-1-marcan@marcan.st> References: <20210215121713.57687-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This currently supports: * SMP (via spin-tables) * AIC IRQs * Serial (with earlycon) * Framebuffer A number of properties are dynamic, and based on system firmware decisions that vary from version to version. These are expected to be filled in by the loader. Signed-off-by: Hector Martin Reviewed-by: Krzysztof Kozlowski --- MAINTAINERS | 1 + arch/arm64/boot/dts/Makefile | 1 + arch/arm64/boot/dts/apple/Makefile | 2 + arch/arm64/boot/dts/apple/apple-j274.dts | 41 ++++++++ arch/arm64/boot/dts/apple/apple-m1.dtsi | 124 +++++++++++++++++++++++ 5 files changed, 169 insertions(+) create mode 100644 arch/arm64/boot/dts/apple/Makefile create mode 100644 arch/arm64/boot/dts/apple/apple-j274.dts create mode 100644 arch/arm64/boot/dts/apple/apple-m1.dtsi diff --git a/MAINTAINERS b/MAINTAINERS index a8f258fbb5f1..87db1c947f45 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1635,6 +1635,7 @@ C: irc://chat.freenode.net/asahi-dev T: git https://github.com/AsahiLinux/linux.git F: Documentation/devicetree/bindings/arm/apple.yaml F: Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml +F: arch/arm64/boot/dts/apple/ F: arch/arm64/include/asm/sysreg_apple.h F: drivers/irqchip/irq-apple-aic.c F: include/dt-bindings/interrupt-controller/apple-aic.h diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 9b1170658d60..64f055d94948 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -6,6 +6,7 @@ subdir-y += amazon subdir-y += amd subdir-y += amlogic subdir-y += apm +subdir-y += apple subdir-y += arm subdir-y += bitmain subdir-y += broadcom diff --git a/arch/arm64/boot/dts/apple/Makefile b/arch/arm64/boot/dts/apple/Makefile new file mode 100644 index 000000000000..ec03c474efd4 --- /dev/null +++ b/arch/arm64/boot/dts/apple/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_APPLE) += apple-j274.dtb diff --git a/arch/arm64/boot/dts/apple/apple-j274.dts b/arch/arm64/boot/dts/apple/apple-j274.dts new file mode 100644 index 000000000000..9a1be91a2cf0 --- /dev/null +++ b/arch/arm64/boot/dts/apple/apple-j274.dts @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0+ OR MIT +/* + * Copyright The Asahi Linux Contributors + */ + +/dts-v1/; + +#include "apple-m1.dtsi" + +/ { + compatible = "apple,j274", "apple,m1", "apple,arm-platform"; + model = "Apple Mac Mini M1 2020"; + + aliases { + serial0 = &serial0; + }; + + chosen { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + stdout-path = "serial0:1500000"; + + framebuffer0: framebuffer@0 { + compatible = "apple,simple-framebuffer", "simple-framebuffer"; + reg = <0 0 0 0>; /* To be filled by loader */ + /* Format properties will be added by loader */ + status = "disabled"; + }; + }; + + memory@800000000 { + device_type = "memory"; + reg = <0 0 0 0>; /* To be filled by loader */ + }; +}; + +&serial0 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/apple/apple-m1.dtsi b/arch/arm64/boot/dts/apple/apple-m1.dtsi new file mode 100644 index 000000000000..45c87771b057 --- /dev/null +++ b/arch/arm64/boot/dts/apple/apple-m1.dtsi @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0+ OR MIT +/* + * Copyright The Asahi Linux Contributors + */ + +#include +#include + +/ { + compatible = "apple,m1", "apple,arm-platform"; + + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + + cpu0: cpu@0 { + compatible = "apple,icestorm"; + device_type = "cpu"; + reg = <0x0 0x0>; + enable-method = "spin-table"; + cpu-release-addr = <0 0>; /* To be filled by loader */ + }; + cpu1: cpu@1 { + compatible = "apple,icestorm"; + device_type = "cpu"; + reg = <0x0 0x1>; + enable-method = "spin-table"; + cpu-release-addr = <0 0>; /* To be filled by loader */ + }; + cpu2: cpu@2 { + compatible = "apple,icestorm"; + device_type = "cpu"; + reg = <0x0 0x2>; + enable-method = "spin-table"; + cpu-release-addr = <0 0>; /* To be filled by loader */ + }; + cpu3: cpu@3 { + compatible = "apple,icestorm"; + device_type = "cpu"; + reg = <0x0 0x3>; + enable-method = "spin-table"; + cpu-release-addr = <0 0>; /* To be filled by loader */ + }; + cpu4: cpu@10100 { + compatible = "apple,firestorm"; + device_type = "cpu"; + reg = <0x0 0x10100>; + enable-method = "spin-table"; + cpu-release-addr = <0 0>; /* To be filled by loader */ + }; + cpu5: cpu@10101 { + compatible = "apple,firestorm"; + device_type = "cpu"; + reg = <0x0 0x10101>; + enable-method = "spin-table"; + cpu-release-addr = <0 0>; /* To be filled by loader */ + }; + cpu6: cpu@10102 { + compatible = "apple,firestorm"; + device_type = "cpu"; + reg = <0x0 0x10102>; + enable-method = "spin-table"; + cpu-release-addr = <0 0>; /* To be filled by loader */ + }; + cpu7: cpu@10103 { + compatible = "apple,firestorm"; + device_type = "cpu"; + reg = <0x0 0x10103>; + enable-method = "spin-table"; + cpu-release-addr = <0 0>; /* To be filled by loader */ + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-parent = <&aic>; + interrupt-names = "hyp-phys", "hyp-virt", "phys", "virt"; + interrupts = , + , + , + ; + }; + + clk24: clock-24m { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <24000000>; + clock-output-names = "clk24"; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + + ranges; + nonposted-mmio; + + aic: interrupt-controller@23b100000 { + compatible = "apple,m1-aic", "apple,aic"; + #interrupt-cells = <3>; + interrupt-controller; + reg = <0x2 0x3b100000 0x0 0x8000>; + }; + + serial0: serial@235200000 { + compatible = "apple,s5l-uart"; + reg = <0x2 0x35200000 0x0 0x1000>; + reg-io-width = <4>; + interrupt-parent = <&aic>; + interrupts = ; + /* + * TODO: figure out the clocking properly, there may + * be a third selectable clock. + */ + clocks = <&clk24>, <&clk24>; + clock-names = "uart", "clk_uart_baud0"; + status = "disabled"; + }; + }; +};