From mboxrd@z Thu Jan 1 00:00:00 1970 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=-22.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 455C1C433E0 for ; Thu, 4 Feb 2021 20:43:23 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D41E264F44 for ; Thu, 4 Feb 2021 20:43:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D41E264F44 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=marcan.st Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=c0glWh1hs/ZWJPuEdl5hAwI7NDk4GVi4bMNvDn41ZmE=; b=V637Y1V0qVYTxsJwIPowfuHHe zZYA8ctX202bteZF9x4NW1uD6NAkLdxr4XyOc7cQHSogVXcTfrJcqSRpvCNpcKvUbh3xZszX0HPxp 7QPkxgg32ec0yYNf5pDEJikyTZ0P8KOasFfIo+1mSKMaoRqZR/NzHIw65aEXa9G1n63nwyUOVOUh+ iBSa4g2ZdA3aNpyIO67esQ7a4TD62XPpHSz0NR05UZh4SmRieoLGOl22M0IMNvXjMZ4Vq0EvfMEMW TBDVWfPTfr+9vbX7oBNfHT47Y8WUbvM34JcZqy35TPOEAS2pJvjosAnYrgjXo+DgtdgSh3AeAsm4v uRQiGGVcQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7lRc-0008Lr-Kz; Thu, 04 Feb 2021 20:41:42 +0000 Received: from marcansoft.com ([212.63.210.85] helo=mail.marcansoft.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7lQu-00081L-6b for linux-arm-kernel@lists.infradead.org; Thu, 04 Feb 2021 20:40:57 +0000 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 48E7442860; Thu, 4 Feb 2021 20:40:52 +0000 (UTC) From: Hector Martin List-Id: To: Hector Martin , soc@kernel.org Subject: [PATCH 14/18] dt-bindings: interrupt-controller: Add DT bindings for apple-aic Date: Fri, 5 Feb 2021 05:39:47 +0900 Message-Id: <20210204203951.52105-15-marcan@marcan.st> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210204203951.52105-1-marcan@marcan.st> References: <20210204203951.52105-1-marcan@marcan.st> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210204_154056_532589_2903A5CB X-CRM114-Status: GOOD ( 15.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Arnd Bergmann , Marc Zyngier , linux-kernel@vger.kernel.org, robh+dt@kernel.org, Olof Johansson , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org AIC is the Apple Interrupt Controller found on Apple ARM SoCs, such as the M1. Signed-off-by: Hector Martin --- .../interrupt-controller/AAPL,aic.yaml | 88 +++++++++++++++++++ MAINTAINERS | 2 + .../interrupt-controller/apple-aic.h | 14 +++ 3 files changed, 104 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/AAPL,aic.yaml create mode 100644 include/dt-bindings/interrupt-controller/apple-aic.h diff --git a/Documentation/devicetree/bindings/interrupt-controller/AAPL,aic.yaml b/Documentation/devicetree/bindings/interrupt-controller/AAPL,aic.yaml new file mode 100644 index 000000000000..7e119614275a --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/AAPL,aic.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/AAPL,aic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple Interrupt Controller + +maintainers: + - Hector Martin + +description: | + The Apple Interrupt Controller is a simple interrupt controller present on + Apple ARM SoC platforms, including various iPhone and iPad devices and the + "Apple Silicon" M1 Macs. + + It provides the following features: + + - Level-triggered hardware IRQs wired to SoC blocks + - Single mask bit per IRQ + - Per-IRQ affinity setting + - Automatic masking on event delivery (auto-ack) + - Software triggering (ORed with hw line) + - 2 per-CPU IPIs (meant as "self" and "other", but they are interchangeable + if not symmetric) + - Automatic prioritization (single event/ack register per CPU, lower IRQs = + higher priority) + - Automatic masking on ack + - Default "this CPU" register view and explicit per-CPU views + +allOf: + - $ref: /schemas/interrupt-controller.yaml# + +properties: + compatible: + contains: + enum: + - AAPL,aic + - AAPL,m1-aic + + interrupt-controller: true + + '#interrupt-cells': + const: 3 + description: | + The 1st cell contains the interrupt type: + - 0: Hardware IRQ + - 1: FIQ + - 2: IPI + + The 2nd cell contains the interrupt number. + - HW IRQs: interrupt number + - FIQs: + - 0: physical timer + - 1: virtual timer + - IPIs: + - 0: normal/"other" IPI (used interanlly for virtual IPIs) + - 1: self IPI (normally unused) + + The 3rd cell contains the interrupt flags. This is normally + IRQ_TYPE_LEVEL_HIGH (4). + + reg: + description: | + Specifies base physical address and size of the AIC registers. + maxItems: 1 + +required: + - compatible + - '#interrupt-cells' + - interrupt-controller + - reg + +unevaluatedProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + aic: interrupt-controller@23b100000 { + compatible = "AAPL,m1-aic", "AAPL,aic"; + #interrupt-cells = <3>; + interrupt-controller; + reg = <0x2 0x3b100000 0x0 0x8000>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 91a7b33834ac..f3d4661731c8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1634,6 +1634,8 @@ B: https://github.com/AsahiLinux/linux/issues C: irc://chat.freenode.net/asahi-dev T: git https://github.com/AsahiLinux/linux.git F: Documentation/devicetree/bindings/arm/AAPL.yaml +F: Documentation/devicetree/bindings/interrupt-controller/AAPL,aic.yaml +F: include/dt-bindings/interrupt-controller/apple-aic.h ARM/ARTPEC MACHINE SUPPORT M: Jesper Nilsson diff --git a/include/dt-bindings/interrupt-controller/apple-aic.h b/include/dt-bindings/interrupt-controller/apple-aic.h new file mode 100644 index 000000000000..f54dc0cd6e9a --- /dev/null +++ b/include/dt-bindings/interrupt-controller/apple-aic.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ +#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_APPLE_AIC_H +#define _DT_BINDINGS_INTERRUPT_CONTROLLER_APPLE_AIC_H + +#include + +#define AIC_IRQ 0 +#define AIC_FIQ 1 +#define AIC_IPI 2 + +#define AIC_TMR_PHYS 0 +#define AIC_TMR_VIRT 1 + +#endif -- 2.30.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel